./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.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_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/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_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/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_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/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 9a814f1cabb0a814aaaa0ad04ef0792a07c6fb7c73876a2da6ae85372115ff6c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:10:07,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:10:07,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:10:08,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:10:08,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:10:08,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:10:08,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:10:08,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:10:08,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:10:08,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:10:08,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:10:08,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:10:08,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:10:08,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:10:08,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:10:08,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:10:08,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:10:08,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:10:08,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:10:08,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:10:08,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:10:08,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:10:08,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:10:08,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:10:08,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:10:08,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:10:08,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:10:08,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:10:08,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:10:08,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:10:08,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:10:08,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:10:08,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:10:08,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:10:08,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:10:08,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:10:08,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:10:08,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:10:08,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:10:08,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:10:08,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:10:08,104 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-19 04:10:08,144 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:10:08,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:10:08,152 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:10:08,153 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:10:08,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:10:08,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:10:08,156 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:10:08,156 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-19 04:10:08,156 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-19 04:10:08,156 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-19 04:10:08,158 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-19 04:10:08,158 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-19 04:10:08,158 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-19 04:10:08,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:10:08,159 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 04:10:08,159 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 04:10:08,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 04:10:08,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 04:10:08,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:10:08,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-19 04:10:08,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-19 04:10:08,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-19 04:10:08,161 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 04:10:08,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 04:10:08,161 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-19 04:10:08,162 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:10:08,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-19 04:10:08,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:10:08,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:10:08,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:10:08,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 04:10:08,166 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:10:08,167 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-19 04:10:08,167 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_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a814f1cabb0a814aaaa0ad04ef0792a07c6fb7c73876a2da6ae85372115ff6c [2021-11-19 04:10:08,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:10:08,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:10:08,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:10:08,529 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:10:08,530 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:10:08,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i [2021-11-19 04:10:08,626 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/data/987a1ced6/b1b4ebec8ef24abdb042002ed8b9934e/FLAGd3b99795f [2021-11-19 04:10:09,331 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:10:09,332 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i [2021-11-19 04:10:09,370 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/data/987a1ced6/b1b4ebec8ef24abdb042002ed8b9934e/FLAGd3b99795f [2021-11-19 04:10:09,537 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/data/987a1ced6/b1b4ebec8ef24abdb042002ed8b9934e [2021-11-19 04:10:09,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:10:09,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 04:10:09,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:10:09,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:10:09,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:10:09,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:10:09" (1/1) ... [2021-11-19 04:10:09,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12957021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:09, skipping insertion in model container [2021-11-19 04:10:09,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:10:09" (1/1) ... [2021-11-19 04:10:09,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:10:09,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:10:10,220 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_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[33021,33034] [2021-11-19 04:10:10,433 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_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[44590,44603] [2021-11-19 04:10:10,448 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:10:10,460 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 04:10:10,516 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_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[33021,33034] [2021-11-19 04:10:10,604 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_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[44590,44603] [2021-11-19 04:10:10,621 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:10:10,668 INFO L208 MainTranslator]: Completed translation [2021-11-19 04:10:10,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:10 WrapperNode [2021-11-19 04:10:10,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:10:10,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 04:10:10,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 04:10:10,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 04:10:10,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:10" (1/1) ... [2021-11-19 04:10:10,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:10" (1/1) ... [2021-11-19 04:10:10,831 INFO L137 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1041 [2021-11-19 04:10:10,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 04:10:10,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 04:10:10,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 04:10:10,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 04:10:10,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:10" (1/1) ... [2021-11-19 04:10:10,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:10" (1/1) ... [2021-11-19 04:10:10,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:10" (1/1) ... [2021-11-19 04:10:10,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:10" (1/1) ... [2021-11-19 04:10:10,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:10" (1/1) ... [2021-11-19 04:10:10,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:10" (1/1) ... [2021-11-19 04:10:10,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:10" (1/1) ... [2021-11-19 04:10:11,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 04:10:11,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 04:10:11,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 04:10:11,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 04:10:11,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:10" (1/1) ... [2021-11-19 04:10:11,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:10:11,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:10:11,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:10:11,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-19 04:10:11,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 04:10:11,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 04:10:11,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 04:10:11,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 04:10:11,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 04:10:11,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 04:10:11,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 04:10:11,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 04:10:11,117 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-19 04:10:11,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 04:10:11,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 04:10:11,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 04:10:11,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 04:10:11,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 04:10:11,432 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 04:10:11,434 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 04:10:11,438 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 04:10:12,770 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 04:10:12,785 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 04:10:12,785 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-19 04:10:12,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:10:12 BoogieIcfgContainer [2021-11-19 04:10:12,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 04:10:12,790 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-19 04:10:12,791 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-19 04:10:12,794 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-19 04:10:12,795 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 04:10:12,796 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 04:10:09" (1/3) ... [2021-11-19 04:10:12,797 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d4ae8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 04:10:12, skipping insertion in model container [2021-11-19 04:10:12,797 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 04:10:12,798 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:10" (2/3) ... [2021-11-19 04:10:12,798 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d4ae8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 04:10:12, skipping insertion in model container [2021-11-19 04:10:12,799 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 04:10:12,799 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:10:12" (3/3) ... [2021-11-19 04:10:12,807 INFO L388 chiAutomizerObserver]: Analyzing ICFG uthash_OAT_test3-1.i [2021-11-19 04:10:12,866 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-19 04:10:12,866 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-19 04:10:12,866 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-19 04:10:12,866 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-19 04:10:12,867 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-19 04:10:12,867 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-19 04:10:12,867 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-19 04:10:12,867 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-19 04:10:12,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 200 states, 195 states have (on average 1.682051282051282) internal successors, (328), 195 states have internal predecessors, (328), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 04:10:12,937 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 188 [2021-11-19 04:10:12,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 04:10:12,937 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 04:10:12,946 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-19 04:10:12,946 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-19 04:10:12,946 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-19 04:10:12,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 200 states, 195 states have (on average 1.682051282051282) internal successors, (328), 195 states have internal predecessors, (328), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 04:10:12,966 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 188 [2021-11-19 04:10:12,966 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 04:10:12,966 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 04:10:12,967 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-19 04:10:12,967 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-19 04:10:12,974 INFO L791 eck$LassoCheckResult]: Stem: 195#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#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(21, 2);~count_int_int~0 := 0; 138#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~switch24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc36#1.base, main_#t~malloc36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~memset~res39#1.base, main_#t~memset~res39#1.offset, main_#t~mem40#1.base, main_#t~mem40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~mem43#1.base, main_#t~mem43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~malloc45#1.base, main_#t~malloc45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~mem47#1.base, main_#t~mem47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, 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.base, main_#t~mem61#1.offset, main_#t~mem62#1, main_#t~post63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1, main_#t~post69#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem74#1, main_#t~mem73#1, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1, main_#t~short77#1, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~malloc80#1.base, main_#t~malloc80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~memset~res85#1.base, main_#t~memset~res85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem90#1, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem94#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~ite95#1, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem106#1, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~pre109#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem118#1, main_#t~mem116#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem117#1, main_#t~mem119#1, main_#t~post120#1, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~post97#1, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1.base, main_#t~mem125#1.offset, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem137#1, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~ite140#1, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem147#1, main_#t~mem146#1, main_#t~mem148#1, main_#t~mem149#1, main_#t~mem151#1, main_#t~mem150#1, main_#t~mem152#1, main_#t~mem153#1, main_#t~mem155#1, main_#t~mem154#1, main_#t~mem156#1, main_#t~mem157#1, main_#t~switch158#1, main_#t~mem159#1, main_#t~mem160#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem163#1, main_#t~mem164#1, main_#t~mem165#1, main_#t~mem166#1, main_#t~mem167#1, main_#t~mem168#1, main_#t~mem169#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1, main_#t~mem180#1, main_#t~mem181#1, main_#t~short182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~ret184#1, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~short191#1, main_#t~mem192#1.base, main_#t~mem192#1.offset, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1.base, main_#t~mem197#1.offset, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1.base, main_#t~mem207#1.offset, main_#t~mem208#1.base, main_#t~mem208#1.offset, main_#t~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1, main_#t~mem211#1.base, main_#t~mem211#1.offset, main_#t~mem214#1, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1, main_#t~post218#1, main_#t~mem219#1.base, main_#t~mem219#1.offset, main_#t~mem220#1.base, main_#t~mem220#1.offset, main_#t~mem221#1.base, main_#t~mem221#1.offset, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1, main_#t~post229#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem144#1, main_#t~mem145#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem230#1.base, main_#t~mem230#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 164#L735-4true [2021-11-19 04:10:12,975 INFO L793 eck$LassoCheckResult]: Loop: 164#L735-4true call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 35#L735-1true assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 13#L737true assume main_~user~0#1.base == 0 && main_~user~0#1.offset == 0;assume false; 68#L737-2true call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 55#L742-124true assume !true; 30#L735-3true call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 164#L735-4true [2021-11-19 04:10:12,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:10:12,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2021-11-19 04:10:12,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:10:12,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877726009] [2021-11-19 04:10:12,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:10:12,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:10:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:10:13,137 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:10:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:10:13,238 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:10:13,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:10:13,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1336134572, now seen corresponding path program 1 times [2021-11-19 04:10:13,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:10:13,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057149353] [2021-11-19 04:10:13,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:10:13,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:10:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:10:13,346 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 04:10:13,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:10:13,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057149353] [2021-11-19 04:10:13,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057149353] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:10:13,350 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:10:13,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 04:10:13,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275208061] [2021-11-19 04:10:13,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:10:13,355 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-19 04:10:13,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:10:13,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 04:10:13,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 04:10:13,396 INFO L87 Difference]: Start difference. First operand has 200 states, 195 states have (on average 1.682051282051282) internal successors, (328), 195 states have internal predecessors, (328), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 04:10:13,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:10:13,420 INFO L93 Difference]: Finished difference Result 200 states and 261 transitions. [2021-11-19 04:10:13,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 04:10:13,425 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 200 states and 261 transitions. [2021-11-19 04:10:13,437 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 188 [2021-11-19 04:10:13,445 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 200 states to 196 states and 257 transitions. [2021-11-19 04:10:13,446 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 196 [2021-11-19 04:10:13,447 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 196 [2021-11-19 04:10:13,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 196 states and 257 transitions. [2021-11-19 04:10:13,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:10:13,451 INFO L681 BuchiCegarLoop]: Abstraction has 196 states and 257 transitions. [2021-11-19 04:10:13,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states and 257 transitions. [2021-11-19 04:10:13,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2021-11-19 04:10:13,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 192 states have (on average 1.3072916666666667) internal successors, (251), 191 states have internal predecessors, (251), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 04:10:13,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 257 transitions. [2021-11-19 04:10:13,487 INFO L704 BuchiCegarLoop]: Abstraction has 196 states and 257 transitions. [2021-11-19 04:10:13,488 INFO L587 BuchiCegarLoop]: Abstraction has 196 states and 257 transitions. [2021-11-19 04:10:13,488 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-19 04:10:13,488 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 196 states and 257 transitions. [2021-11-19 04:10:13,490 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 188 [2021-11-19 04:10:13,491 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 04:10:13,491 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 04:10:13,492 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-19 04:10:13,492 INFO L843 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:10:13,492 INFO L791 eck$LassoCheckResult]: Stem: 603#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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(21, 2);~count_int_int~0 := 0; 587#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~switch24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc36#1.base, main_#t~malloc36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~memset~res39#1.base, main_#t~memset~res39#1.offset, main_#t~mem40#1.base, main_#t~mem40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~mem43#1.base, main_#t~mem43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~malloc45#1.base, main_#t~malloc45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~mem47#1.base, main_#t~mem47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, 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.base, main_#t~mem61#1.offset, main_#t~mem62#1, main_#t~post63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1, main_#t~post69#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem74#1, main_#t~mem73#1, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1, main_#t~short77#1, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~malloc80#1.base, main_#t~malloc80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~memset~res85#1.base, main_#t~memset~res85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem90#1, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem94#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~ite95#1, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem106#1, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~pre109#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem118#1, main_#t~mem116#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem117#1, main_#t~mem119#1, main_#t~post120#1, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~post97#1, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1.base, main_#t~mem125#1.offset, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem137#1, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~ite140#1, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem147#1, main_#t~mem146#1, main_#t~mem148#1, main_#t~mem149#1, main_#t~mem151#1, main_#t~mem150#1, main_#t~mem152#1, main_#t~mem153#1, main_#t~mem155#1, main_#t~mem154#1, main_#t~mem156#1, main_#t~mem157#1, main_#t~switch158#1, main_#t~mem159#1, main_#t~mem160#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem163#1, main_#t~mem164#1, main_#t~mem165#1, main_#t~mem166#1, main_#t~mem167#1, main_#t~mem168#1, main_#t~mem169#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1, main_#t~mem180#1, main_#t~mem181#1, main_#t~short182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~ret184#1, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~short191#1, main_#t~mem192#1.base, main_#t~mem192#1.offset, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1.base, main_#t~mem197#1.offset, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1.base, main_#t~mem207#1.offset, main_#t~mem208#1.base, main_#t~mem208#1.offset, main_#t~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1, main_#t~mem211#1.base, main_#t~mem211#1.offset, main_#t~mem214#1, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1, main_#t~post218#1, main_#t~mem219#1.base, main_#t~mem219#1.offset, main_#t~mem220#1.base, main_#t~mem220#1.offset, main_#t~mem221#1.base, main_#t~mem221#1.offset, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1, main_#t~post229#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem144#1, main_#t~mem145#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem230#1.base, main_#t~mem230#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 463#L735-4 [2021-11-19 04:10:13,494 INFO L793 eck$LassoCheckResult]: Loop: 463#L735-4 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 471#L735-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 433#L737 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 434#L737-2 call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 503#L742-124 havoc main_~_ha_hashv~0#1; 504#L742-49 goto; 454#L742-47 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 455#L742-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 491#L742-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch24#1 := 11 == main_~_hj_k~0#1; 598#L742-10 assume main_#t~switch24#1;call main_#t~mem25#1 := read~int(main_~_hj_key~0#1.base, 10 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 16777216 * (main_#t~mem25#1 % 256);havoc main_#t~mem25#1; 490#L742-12 main_#t~switch24#1 := main_#t~switch24#1 || 10 == main_~_hj_k~0#1; 465#L742-13 assume main_#t~switch24#1;call main_#t~mem26#1 := read~int(main_~_hj_key~0#1.base, 9 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 65536 * (main_#t~mem26#1 % 256);havoc main_#t~mem26#1; 466#L742-15 main_#t~switch24#1 := main_#t~switch24#1 || 9 == main_~_hj_k~0#1; 549#L742-16 assume main_#t~switch24#1;call main_#t~mem27#1 := read~int(main_~_hj_key~0#1.base, 8 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 256 * (main_#t~mem27#1 % 256);havoc main_#t~mem27#1; 435#L742-18 main_#t~switch24#1 := main_#t~switch24#1 || 8 == main_~_hj_k~0#1; 436#L742-19 assume main_#t~switch24#1;call main_#t~mem28#1 := read~int(main_~_hj_key~0#1.base, 7 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 16777216 * (main_#t~mem28#1 % 256);havoc main_#t~mem28#1; 515#L742-21 main_#t~switch24#1 := main_#t~switch24#1 || 7 == main_~_hj_k~0#1; 545#L742-22 assume !main_#t~switch24#1; 588#L742-24 main_#t~switch24#1 := main_#t~switch24#1 || 6 == main_~_hj_k~0#1; 589#L742-25 assume main_#t~switch24#1;call main_#t~mem30#1 := read~int(main_~_hj_key~0#1.base, 5 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 256 * (main_#t~mem30#1 % 256);havoc main_#t~mem30#1; 500#L742-27 main_#t~switch24#1 := main_#t~switch24#1 || 5 == main_~_hj_k~0#1; 501#L742-28 assume main_#t~switch24#1;call main_#t~mem31#1 := read~int(main_~_hj_key~0#1.base, 4 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + main_#t~mem31#1 % 256;havoc main_#t~mem31#1; 564#L742-30 main_#t~switch24#1 := main_#t~switch24#1 || 4 == main_~_hj_k~0#1; 565#L742-31 assume main_#t~switch24#1;call main_#t~mem32#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem32#1 % 256);havoc main_#t~mem32#1; 481#L742-33 main_#t~switch24#1 := main_#t~switch24#1 || 3 == main_~_hj_k~0#1; 482#L742-34 assume main_#t~switch24#1;call main_#t~mem33#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem33#1 % 256);havoc main_#t~mem33#1; 562#L742-36 main_#t~switch24#1 := main_#t~switch24#1 || 2 == main_~_hj_k~0#1; 553#L742-37 assume main_#t~switch24#1;call main_#t~mem34#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem34#1 % 256);havoc main_#t~mem34#1; 509#L742-39 main_#t~switch24#1 := main_#t~switch24#1 || 1 == main_~_hj_k~0#1; 510#L742-40 assume main_#t~switch24#1;call main_#t~mem35#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + main_#t~mem35#1 % 256;havoc main_#t~mem35#1; 557#L742-42 havoc main_#t~switch24#1; 596#L742-45 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8192);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 256 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 8192);main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 4096);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 65536 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32);main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 1024 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32768); 544#L742-44 goto; 485#L742-46 goto; 486#L742-48 goto; 452#L742-122 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 453#L742-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem53#1.base, main_#t~mem53#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem53#1.base, main_#t~mem53#1.offset; 597#L742-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem54#1.base, main_#t~mem54#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem55#1.base, main_#t~mem55#1.offset := read~$Pointer$(main_#t~mem54#1.base, 16 + main_#t~mem54#1.offset, 4);call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1 := read~int(main_#t~mem56#1.base, 20 + main_#t~mem56#1.offset, 4);call write~$Pointer$(main_#t~mem55#1.base, main_#t~mem55#1.offset - main_#t~mem57#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;havoc main_#t~mem55#1.base, main_#t~mem55#1.offset;havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1;call main_#t~mem58#1.base, main_#t~mem58#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_#t~mem58#1.base, 16 + main_#t~mem58#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem59#1.base, 8 + main_#t~mem59#1.offset, 4);havoc main_#t~mem58#1.base, main_#t~mem58#1.offset;havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;call main_#t~mem60#1.base, main_#t~mem60#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem60#1.base, 16 + main_#t~mem60#1.offset, 4);havoc main_#t~mem60#1.base, main_#t~mem60#1.offset; 532#L742-66 goto; 533#L742-120 havoc main_~_ha_bkt~0#1;call main_#t~mem61#1.base, main_#t~mem61#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem62#1 := read~int(main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);main_#t~post63#1 := main_#t~mem62#1;call write~int(1 + main_#t~post63#1, main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);havoc main_#t~mem61#1.base, main_#t~mem61#1.offset;havoc main_#t~mem62#1;havoc main_#t~post63#1; 548#L742-71 call main_#t~mem64#1.base, main_#t~mem64#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem65#1 := read~int(main_#t~mem64#1.base, 4 + main_#t~mem64#1.offset, 4);main_~_ha_bkt~0#1 := ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem65#1 - 1);havoc main_#t~mem64#1.base, main_#t~mem64#1.offset;havoc main_#t~mem65#1; 583#L742-70 goto; 584#L742-118 call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem67#1.base, main_#t~mem67#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset;havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;call main_#t~mem68#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post69#1 := main_#t~mem68#1;call write~int(1 + main_#t~post69#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem68#1;havoc main_#t~post69#1;call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem70#1.base, main_#t~mem70#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 487#L742-73 assume main_#t~mem71#1.base != 0 || main_#t~mem71#1.offset != 0;havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem72#1.base, 12 + main_#t~mem72#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset; 423#L742-75 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem74#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem73#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short77#1 := main_#t~mem74#1 % 4294967296 >= 10 * (1 + main_#t~mem73#1) % 4294967296; 424#L742-76 assume main_#t~short77#1;call main_#t~mem75#1.base, main_#t~mem75#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem76#1 := read~int(main_#t~mem75#1.base, 36 + main_#t~mem75#1.offset, 4);main_#t~short77#1 := 0 == main_#t~mem76#1 % 4294967296; 473#L742-78 assume !main_#t~short77#1;havoc main_#t~mem74#1;havoc main_#t~mem73#1;havoc main_#t~mem75#1.base, main_#t~mem75#1.offset;havoc main_#t~mem76#1;havoc main_#t~short77#1; 475#L742-117 goto; 427#L742-119 goto; 428#L742-121 goto; 508#L742-123 goto; 462#L735-3 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 463#L735-4 [2021-11-19 04:10:13,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:10:13,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2021-11-19 04:10:13,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:10:13,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183755580] [2021-11-19 04:10:13,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:10:13,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:10:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:10:13,512 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:10:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:10:13,533 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:10:13,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:10:13,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1570577107, now seen corresponding path program 1 times [2021-11-19 04:10:13,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:10:13,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975880787] [2021-11-19 04:10:13,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:10:13,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:10:13,548 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 04:10:13,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [665963509] [2021-11-19 04:10:13,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:10:13,549 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:10:13,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:10:13,551 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 04:10:13,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-19 04:10:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:10:13,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 04:10:13,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:10:13,941 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 04:10:13,941 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 04:10:13,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:10:13,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975880787] [2021-11-19 04:10:13,943 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 04:10:13,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665963509] [2021-11-19 04:10:13,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665963509] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:10:13,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:10:13,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 04:10:13,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156989638] [2021-11-19 04:10:13,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:10:13,948 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-19 04:10:13,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:10:13,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 04:10:13,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 04:10:13,949 INFO L87 Difference]: Start difference. First operand 196 states and 257 transitions. cyclomatic complexity: 65 Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 04:10:14,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:10:14,094 INFO L93 Difference]: Finished difference Result 217 states and 278 transitions. [2021-11-19 04:10:14,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 04:10:14,095 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 217 states and 278 transitions. [2021-11-19 04:10:14,099 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 209 [2021-11-19 04:10:14,106 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 217 states to 217 states and 278 transitions. [2021-11-19 04:10:14,106 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 217 [2021-11-19 04:10:14,108 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 217 [2021-11-19 04:10:14,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 217 states and 278 transitions. [2021-11-19 04:10:14,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:10:14,116 INFO L681 BuchiCegarLoop]: Abstraction has 217 states and 278 transitions. [2021-11-19 04:10:14,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states and 278 transitions. [2021-11-19 04:10:14,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 216. [2021-11-19 04:10:14,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 212 states have (on average 1.278301886792453) internal successors, (271), 211 states have internal predecessors, (271), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 04:10:14,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 277 transitions. [2021-11-19 04:10:14,140 INFO L704 BuchiCegarLoop]: Abstraction has 216 states and 277 transitions. [2021-11-19 04:10:14,140 INFO L587 BuchiCegarLoop]: Abstraction has 216 states and 277 transitions. [2021-11-19 04:10:14,140 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-19 04:10:14,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 216 states and 277 transitions. [2021-11-19 04:10:14,142 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 208 [2021-11-19 04:10:14,142 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 04:10:14,142 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 04:10:14,143 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-19 04:10:14,144 INFO L843 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:10:14,144 INFO L791 eck$LassoCheckResult]: Stem: 1186#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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(21, 2);~count_int_int~0 := 0; 1165#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~switch24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc36#1.base, main_#t~malloc36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~memset~res39#1.base, main_#t~memset~res39#1.offset, main_#t~mem40#1.base, main_#t~mem40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~mem43#1.base, main_#t~mem43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~malloc45#1.base, main_#t~malloc45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~mem47#1.base, main_#t~mem47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, 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.base, main_#t~mem61#1.offset, main_#t~mem62#1, main_#t~post63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1, main_#t~post69#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem74#1, main_#t~mem73#1, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1, main_#t~short77#1, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~malloc80#1.base, main_#t~malloc80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~memset~res85#1.base, main_#t~memset~res85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem90#1, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem94#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~ite95#1, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem106#1, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~pre109#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem118#1, main_#t~mem116#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem117#1, main_#t~mem119#1, main_#t~post120#1, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~post97#1, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1.base, main_#t~mem125#1.offset, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem137#1, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~ite140#1, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem147#1, main_#t~mem146#1, main_#t~mem148#1, main_#t~mem149#1, main_#t~mem151#1, main_#t~mem150#1, main_#t~mem152#1, main_#t~mem153#1, main_#t~mem155#1, main_#t~mem154#1, main_#t~mem156#1, main_#t~mem157#1, main_#t~switch158#1, main_#t~mem159#1, main_#t~mem160#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem163#1, main_#t~mem164#1, main_#t~mem165#1, main_#t~mem166#1, main_#t~mem167#1, main_#t~mem168#1, main_#t~mem169#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1, main_#t~mem180#1, main_#t~mem181#1, main_#t~short182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~ret184#1, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~short191#1, main_#t~mem192#1.base, main_#t~mem192#1.offset, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1.base, main_#t~mem197#1.offset, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1.base, main_#t~mem207#1.offset, main_#t~mem208#1.base, main_#t~mem208#1.offset, main_#t~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1, main_#t~mem211#1.base, main_#t~mem211#1.offset, main_#t~mem214#1, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1, main_#t~post218#1, main_#t~mem219#1.base, main_#t~mem219#1.offset, main_#t~mem220#1.base, main_#t~mem220#1.offset, main_#t~mem221#1.base, main_#t~mem221#1.offset, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1, main_#t~post229#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem144#1, main_#t~mem145#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem230#1.base, main_#t~mem230#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 1035#L735-4 [2021-11-19 04:10:14,150 INFO L793 eck$LassoCheckResult]: Loop: 1035#L735-4 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 1043#L735-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 1005#L737 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 1006#L737-2 call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 1075#L742-124 havoc main_~_ha_hashv~0#1; 1076#L742-49 goto; 1026#L742-47 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 1027#L742-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 1063#L742-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch24#1 := 11 == main_~_hj_k~0#1; 1179#L742-10 assume main_#t~switch24#1;call main_#t~mem25#1 := read~int(main_~_hj_key~0#1.base, 10 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 16777216 * (main_#t~mem25#1 % 256);havoc main_#t~mem25#1; 1062#L742-12 main_#t~switch24#1 := main_#t~switch24#1 || 10 == main_~_hj_k~0#1; 1037#L742-13 assume main_#t~switch24#1;call main_#t~mem26#1 := read~int(main_~_hj_key~0#1.base, 9 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 65536 * (main_#t~mem26#1 % 256);havoc main_#t~mem26#1; 1038#L742-15 main_#t~switch24#1 := main_#t~switch24#1 || 9 == main_~_hj_k~0#1; 1171#L742-16 assume main_#t~switch24#1;call main_#t~mem27#1 := read~int(main_~_hj_key~0#1.base, 8 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 256 * (main_#t~mem27#1 % 256);havoc main_#t~mem27#1; 1172#L742-18 main_#t~switch24#1 := main_#t~switch24#1 || 8 == main_~_hj_k~0#1; 1087#L742-19 assume main_#t~switch24#1;call main_#t~mem28#1 := read~int(main_~_hj_key~0#1.base, 7 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 16777216 * (main_#t~mem28#1 % 256);havoc main_#t~mem28#1; 1088#L742-21 main_#t~switch24#1 := main_#t~switch24#1 || 7 == main_~_hj_k~0#1; 1118#L742-22 assume main_#t~switch24#1;call main_#t~mem29#1 := read~int(main_~_hj_key~0#1.base, 6 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 65536 * (main_#t~mem29#1 % 256);havoc main_#t~mem29#1; 1183#L742-24 main_#t~switch24#1 := main_#t~switch24#1 || 6 == main_~_hj_k~0#1; 1174#L742-25 assume main_#t~switch24#1;call main_#t~mem30#1 := read~int(main_~_hj_key~0#1.base, 5 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 256 * (main_#t~mem30#1 % 256);havoc main_#t~mem30#1; 1072#L742-27 main_#t~switch24#1 := main_#t~switch24#1 || 5 == main_~_hj_k~0#1; 1073#L742-28 assume main_#t~switch24#1;call main_#t~mem31#1 := read~int(main_~_hj_key~0#1.base, 4 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + main_#t~mem31#1 % 256;havoc main_#t~mem31#1; 1140#L742-30 main_#t~switch24#1 := main_#t~switch24#1 || 4 == main_~_hj_k~0#1; 1141#L742-31 assume main_#t~switch24#1;call main_#t~mem32#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem32#1 % 256);havoc main_#t~mem32#1; 1053#L742-33 main_#t~switch24#1 := main_#t~switch24#1 || 3 == main_~_hj_k~0#1; 1054#L742-34 assume main_#t~switch24#1;call main_#t~mem33#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem33#1 % 256);havoc main_#t~mem33#1; 1138#L742-36 main_#t~switch24#1 := main_#t~switch24#1 || 2 == main_~_hj_k~0#1; 1127#L742-37 assume main_#t~switch24#1;call main_#t~mem34#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem34#1 % 256);havoc main_#t~mem34#1; 1128#L742-39 main_#t~switch24#1 := main_#t~switch24#1 || 1 == main_~_hj_k~0#1; 1132#L742-40 assume main_#t~switch24#1;call main_#t~mem35#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + main_#t~mem35#1 % 256;havoc main_#t~mem35#1; 1133#L742-42 havoc main_#t~switch24#1; 1177#L742-45 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8192);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 256 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 8192);main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 4096);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 65536 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32);main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 1024 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32768); 1117#L742-44 goto; 1057#L742-46 goto; 1058#L742-48 goto; 1024#L742-122 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 1025#L742-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem53#1.base, main_#t~mem53#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem53#1.base, main_#t~mem53#1.offset; 1178#L742-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem54#1.base, main_#t~mem54#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem55#1.base, main_#t~mem55#1.offset := read~$Pointer$(main_#t~mem54#1.base, 16 + main_#t~mem54#1.offset, 4);call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1 := read~int(main_#t~mem56#1.base, 20 + main_#t~mem56#1.offset, 4);call write~$Pointer$(main_#t~mem55#1.base, main_#t~mem55#1.offset - main_#t~mem57#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;havoc main_#t~mem55#1.base, main_#t~mem55#1.offset;havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1;call main_#t~mem58#1.base, main_#t~mem58#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_#t~mem58#1.base, 16 + main_#t~mem58#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem59#1.base, 8 + main_#t~mem59#1.offset, 4);havoc main_#t~mem58#1.base, main_#t~mem58#1.offset;havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;call main_#t~mem60#1.base, main_#t~mem60#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem60#1.base, 16 + main_#t~mem60#1.offset, 4);havoc main_#t~mem60#1.base, main_#t~mem60#1.offset; 1105#L742-66 goto; 1106#L742-120 havoc main_~_ha_bkt~0#1;call main_#t~mem61#1.base, main_#t~mem61#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem62#1 := read~int(main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);main_#t~post63#1 := main_#t~mem62#1;call write~int(1 + main_#t~post63#1, main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);havoc main_#t~mem61#1.base, main_#t~mem61#1.offset;havoc main_#t~mem62#1;havoc main_#t~post63#1; 1121#L742-71 call main_#t~mem64#1.base, main_#t~mem64#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem65#1 := read~int(main_#t~mem64#1.base, 4 + main_#t~mem64#1.offset, 4);main_~_ha_bkt~0#1 := ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem65#1 - 1);havoc main_#t~mem64#1.base, main_#t~mem64#1.offset;havoc main_#t~mem65#1; 1161#L742-70 goto; 1162#L742-118 call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem67#1.base, main_#t~mem67#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset;havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;call main_#t~mem68#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post69#1 := main_#t~mem68#1;call write~int(1 + main_#t~post69#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem68#1;havoc main_#t~post69#1;call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem70#1.base, main_#t~mem70#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 1059#L742-73 assume main_#t~mem71#1.base != 0 || main_#t~mem71#1.offset != 0;havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem72#1.base, 12 + main_#t~mem72#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset; 995#L742-75 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem74#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem73#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short77#1 := main_#t~mem74#1 % 4294967296 >= 10 * (1 + main_#t~mem73#1) % 4294967296; 996#L742-76 assume main_#t~short77#1;call main_#t~mem75#1.base, main_#t~mem75#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem76#1 := read~int(main_#t~mem75#1.base, 36 + main_#t~mem75#1.offset, 4);main_#t~short77#1 := 0 == main_#t~mem76#1 % 4294967296; 1045#L742-78 assume !main_#t~short77#1;havoc main_#t~mem74#1;havoc main_#t~mem73#1;havoc main_#t~mem75#1.base, main_#t~mem75#1.offset;havoc main_#t~mem76#1;havoc main_#t~short77#1; 1047#L742-117 goto; 999#L742-119 goto; 1000#L742-121 goto; 1080#L742-123 goto; 1034#L735-3 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 1035#L735-4 [2021-11-19 04:10:14,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:10:14,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 3 times [2021-11-19 04:10:14,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:10:14,153 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774530329] [2021-11-19 04:10:14,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:10:14,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:10:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:10:14,185 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:10:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:10:14,216 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:10:14,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:10:14,216 INFO L85 PathProgramCache]: Analyzing trace with hash -726571605, now seen corresponding path program 1 times [2021-11-19 04:10:14,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:10:14,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746990094] [2021-11-19 04:10:14,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:10:14,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:10:14,238 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 04:10:14,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [153148878] [2021-11-19 04:10:14,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:10:14,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:10:14,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:10:14,241 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 04:10:14,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 04:10:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:10:14,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 04:10:14,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:10:14,538 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 04:10:14,539 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 04:10:14,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:10:14,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746990094] [2021-11-19 04:10:14,539 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 04:10:14,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153148878] [2021-11-19 04:10:14,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153148878] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:10:14,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:10:14,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:10:14,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284149755] [2021-11-19 04:10:14,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:10:14,541 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-19 04:10:14,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:10:14,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:10:14,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:10:14,543 INFO L87 Difference]: Start difference. First operand 216 states and 277 transitions. cyclomatic complexity: 65 Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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 04:10:14,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:10:14,642 INFO L93 Difference]: Finished difference Result 311 states and 399 transitions. [2021-11-19 04:10:14,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 04:10:14,644 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 311 states and 399 transitions. [2021-11-19 04:10:14,650 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 294 [2021-11-19 04:10:14,653 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 311 states to 311 states and 399 transitions. [2021-11-19 04:10:14,654 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 311 [2021-11-19 04:10:14,654 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 311 [2021-11-19 04:10:14,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 311 states and 399 transitions. [2021-11-19 04:10:14,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:10:14,655 INFO L681 BuchiCegarLoop]: Abstraction has 311 states and 399 transitions. [2021-11-19 04:10:14,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states and 399 transitions. [2021-11-19 04:10:14,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 202. [2021-11-19 04:10:14,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 198 states have (on average 1.2626262626262625) internal successors, (250), 197 states have internal predecessors, (250), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 04:10:14,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 256 transitions. [2021-11-19 04:10:14,677 INFO L704 BuchiCegarLoop]: Abstraction has 202 states and 256 transitions. [2021-11-19 04:10:14,677 INFO L587 BuchiCegarLoop]: Abstraction has 202 states and 256 transitions. [2021-11-19 04:10:14,677 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-19 04:10:14,677 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 202 states and 256 transitions. [2021-11-19 04:10:14,679 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 194 [2021-11-19 04:10:14,682 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 04:10:14,682 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 04:10:14,686 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-19 04:10:14,686 INFO L843 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:10:14,686 INFO L791 eck$LassoCheckResult]: Stem: 1865#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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(21, 2);~count_int_int~0 := 0; 1848#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~switch24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc36#1.base, main_#t~malloc36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~memset~res39#1.base, main_#t~memset~res39#1.offset, main_#t~mem40#1.base, main_#t~mem40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~mem43#1.base, main_#t~mem43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~malloc45#1.base, main_#t~malloc45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~mem47#1.base, main_#t~mem47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, 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.base, main_#t~mem61#1.offset, main_#t~mem62#1, main_#t~post63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1, main_#t~post69#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem74#1, main_#t~mem73#1, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1, main_#t~short77#1, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~malloc80#1.base, main_#t~malloc80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~memset~res85#1.base, main_#t~memset~res85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem90#1, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem94#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~ite95#1, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem106#1, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~pre109#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem118#1, main_#t~mem116#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem117#1, main_#t~mem119#1, main_#t~post120#1, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~post97#1, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1.base, main_#t~mem125#1.offset, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem137#1, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~ite140#1, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem147#1, main_#t~mem146#1, main_#t~mem148#1, main_#t~mem149#1, main_#t~mem151#1, main_#t~mem150#1, main_#t~mem152#1, main_#t~mem153#1, main_#t~mem155#1, main_#t~mem154#1, main_#t~mem156#1, main_#t~mem157#1, main_#t~switch158#1, main_#t~mem159#1, main_#t~mem160#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem163#1, main_#t~mem164#1, main_#t~mem165#1, main_#t~mem166#1, main_#t~mem167#1, main_#t~mem168#1, main_#t~mem169#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1, main_#t~mem180#1, main_#t~mem181#1, main_#t~short182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~ret184#1, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~short191#1, main_#t~mem192#1.base, main_#t~mem192#1.offset, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1.base, main_#t~mem197#1.offset, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1.base, main_#t~mem207#1.offset, main_#t~mem208#1.base, main_#t~mem208#1.offset, main_#t~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1, main_#t~mem211#1.base, main_#t~mem211#1.offset, main_#t~mem214#1, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1, main_#t~post218#1, main_#t~mem219#1.base, main_#t~mem219#1.offset, main_#t~mem220#1.base, main_#t~mem220#1.offset, main_#t~mem221#1.base, main_#t~mem221#1.offset, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1, main_#t~post229#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem144#1, main_#t~mem145#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem230#1.base, main_#t~mem230#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 1724#L735-4 [2021-11-19 04:10:14,687 INFO L793 eck$LassoCheckResult]: Loop: 1724#L735-4 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 1732#L735-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 1694#L737 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 1695#L737-2 call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 1764#L742-124 havoc main_~_ha_hashv~0#1; 1765#L742-49 goto; 1715#L742-47 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 1716#L742-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 1752#L742-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch24#1 := 11 == main_~_hj_k~0#1; 1860#L742-10 assume !main_#t~switch24#1; 1751#L742-12 main_#t~switch24#1 := main_#t~switch24#1 || 10 == main_~_hj_k~0#1; 1728#L742-13 assume !main_#t~switch24#1; 1729#L742-15 main_#t~switch24#1 := main_#t~switch24#1 || 9 == main_~_hj_k~0#1; 1811#L742-16 assume !main_#t~switch24#1; 1696#L742-18 main_#t~switch24#1 := main_#t~switch24#1 || 8 == main_~_hj_k~0#1; 1697#L742-19 assume !main_#t~switch24#1; 1779#L742-21 main_#t~switch24#1 := main_#t~switch24#1 || 7 == main_~_hj_k~0#1; 1806#L742-22 assume !main_#t~switch24#1; 1849#L742-24 main_#t~switch24#1 := main_#t~switch24#1 || 6 == main_~_hj_k~0#1; 1850#L742-25 assume !main_#t~switch24#1; 1761#L742-27 main_#t~switch24#1 := main_#t~switch24#1 || 5 == main_~_hj_k~0#1; 1762#L742-28 assume !main_#t~switch24#1; 1825#L742-30 main_#t~switch24#1 := main_#t~switch24#1 || 4 == main_~_hj_k~0#1; 1826#L742-31 assume !main_#t~switch24#1; 1854#L742-33 main_#t~switch24#1 := main_#t~switch24#1 || 3 == main_~_hj_k~0#1; 1866#L742-34 assume !main_#t~switch24#1; 1867#L742-36 main_#t~switch24#1 := main_#t~switch24#1 || 2 == main_~_hj_k~0#1; 1870#L742-37 assume main_#t~switch24#1;call main_#t~mem34#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem34#1 % 256);havoc main_#t~mem34#1; 1770#L742-39 main_#t~switch24#1 := main_#t~switch24#1 || 1 == main_~_hj_k~0#1; 1771#L742-40 assume main_#t~switch24#1;call main_#t~mem35#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + main_#t~mem35#1 % 256;havoc main_#t~mem35#1; 1819#L742-42 havoc main_#t~switch24#1; 1858#L742-45 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8192);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 256 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 8192);main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 4096);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 65536 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32);main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 1024 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32768); 1805#L742-44 goto; 1746#L742-46 goto; 1747#L742-48 goto; 1713#L742-122 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 1714#L742-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem53#1.base, main_#t~mem53#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem53#1.base, main_#t~mem53#1.offset; 1859#L742-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem54#1.base, main_#t~mem54#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem55#1.base, main_#t~mem55#1.offset := read~$Pointer$(main_#t~mem54#1.base, 16 + main_#t~mem54#1.offset, 4);call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1 := read~int(main_#t~mem56#1.base, 20 + main_#t~mem56#1.offset, 4);call write~$Pointer$(main_#t~mem55#1.base, main_#t~mem55#1.offset - main_#t~mem57#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;havoc main_#t~mem55#1.base, main_#t~mem55#1.offset;havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1;call main_#t~mem58#1.base, main_#t~mem58#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_#t~mem58#1.base, 16 + main_#t~mem58#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem59#1.base, 8 + main_#t~mem59#1.offset, 4);havoc main_#t~mem58#1.base, main_#t~mem58#1.offset;havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;call main_#t~mem60#1.base, main_#t~mem60#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem60#1.base, 16 + main_#t~mem60#1.offset, 4);havoc main_#t~mem60#1.base, main_#t~mem60#1.offset; 1793#L742-66 goto; 1794#L742-120 havoc main_~_ha_bkt~0#1;call main_#t~mem61#1.base, main_#t~mem61#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem62#1 := read~int(main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);main_#t~post63#1 := main_#t~mem62#1;call write~int(1 + main_#t~post63#1, main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);havoc main_#t~mem61#1.base, main_#t~mem61#1.offset;havoc main_#t~mem62#1;havoc main_#t~post63#1; 1809#L742-71 call main_#t~mem64#1.base, main_#t~mem64#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem65#1 := read~int(main_#t~mem64#1.base, 4 + main_#t~mem64#1.offset, 4);main_~_ha_bkt~0#1 := ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem65#1 - 1);havoc main_#t~mem64#1.base, main_#t~mem64#1.offset;havoc main_#t~mem65#1; 1844#L742-70 goto; 1845#L742-118 call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem67#1.base, main_#t~mem67#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset;havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;call main_#t~mem68#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post69#1 := main_#t~mem68#1;call write~int(1 + main_#t~post69#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem68#1;havoc main_#t~post69#1;call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem70#1.base, main_#t~mem70#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 1750#L742-73 assume main_#t~mem71#1.base != 0 || main_#t~mem71#1.offset != 0;havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem72#1.base, 12 + main_#t~mem72#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset; 1684#L742-75 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem74#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem73#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short77#1 := main_#t~mem74#1 % 4294967296 >= 10 * (1 + main_#t~mem73#1) % 4294967296; 1685#L742-76 assume main_#t~short77#1;call main_#t~mem75#1.base, main_#t~mem75#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem76#1 := read~int(main_#t~mem75#1.base, 36 + main_#t~mem75#1.offset, 4);main_#t~short77#1 := 0 == main_#t~mem76#1 % 4294967296; 1734#L742-78 assume !main_#t~short77#1;havoc main_#t~mem74#1;havoc main_#t~mem73#1;havoc main_#t~mem75#1.base, main_#t~mem75#1.offset;havoc main_#t~mem76#1;havoc main_#t~short77#1; 1736#L742-117 goto; 1688#L742-119 goto; 1689#L742-121 goto; 1769#L742-123 goto; 1723#L735-3 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 1724#L735-4 [2021-11-19 04:10:14,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:10:14,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 4 times [2021-11-19 04:10:14,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:10:14,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633200590] [2021-11-19 04:10:14,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:10:14,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:10:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:10:14,716 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:10:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:10:14,736 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:10:14,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:10:14,737 INFO L85 PathProgramCache]: Analyzing trace with hash 708485437, now seen corresponding path program 1 times [2021-11-19 04:10:14,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:10:14,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895911785] [2021-11-19 04:10:14,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:10:14,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:10:14,748 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 04:10:14,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [56850253] [2021-11-19 04:10:14,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:10:14,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:10:14,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:10:14,782 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 04:10:14,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-19 04:10:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:10:14,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 04:10:14,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:10:15,068 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 04:10:15,069 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 04:10:15,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:10:15,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895911785] [2021-11-19 04:10:15,070 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 04:10:15,070 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56850253] [2021-11-19 04:10:15,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56850253] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:10:15,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:10:15,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:10:15,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698931899] [2021-11-19 04:10:15,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:10:15,071 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-19 04:10:15,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:10:15,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 04:10:15,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:10:15,072 INFO L87 Difference]: Start difference. First operand 202 states and 256 transitions. cyclomatic complexity: 58 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 04:10:15,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:10:15,221 INFO L93 Difference]: Finished difference Result 399 states and 504 transitions. [2021-11-19 04:10:15,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 04:10:15,222 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 399 states and 504 transitions. [2021-11-19 04:10:15,228 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 389 [2021-11-19 04:10:15,233 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 399 states to 399 states and 504 transitions. [2021-11-19 04:10:15,233 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 399 [2021-11-19 04:10:15,234 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 399 [2021-11-19 04:10:15,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 399 states and 504 transitions. [2021-11-19 04:10:15,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:10:15,235 INFO L681 BuchiCegarLoop]: Abstraction has 399 states and 504 transitions. [2021-11-19 04:10:15,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states and 504 transitions. [2021-11-19 04:10:15,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 225. [2021-11-19 04:10:15,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 221 states have (on average 1.244343891402715) internal successors, (275), 220 states have internal predecessors, (275), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 04:10:15,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 281 transitions. [2021-11-19 04:10:15,247 INFO L704 BuchiCegarLoop]: Abstraction has 225 states and 281 transitions. [2021-11-19 04:10:15,247 INFO L587 BuchiCegarLoop]: Abstraction has 225 states and 281 transitions. [2021-11-19 04:10:15,247 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-19 04:10:15,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 225 states and 281 transitions. [2021-11-19 04:10:15,248 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 217 [2021-11-19 04:10:15,249 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 04:10:15,249 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 04:10:15,251 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-19 04:10:15,251 INFO L843 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:10:15,251 INFO L791 eck$LassoCheckResult]: Stem: 2645#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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(21, 2);~count_int_int~0 := 0; 2618#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~switch24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc36#1.base, main_#t~malloc36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~memset~res39#1.base, main_#t~memset~res39#1.offset, main_#t~mem40#1.base, main_#t~mem40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~mem43#1.base, main_#t~mem43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~malloc45#1.base, main_#t~malloc45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~mem47#1.base, main_#t~mem47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, 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.base, main_#t~mem61#1.offset, main_#t~mem62#1, main_#t~post63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1, main_#t~post69#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem74#1, main_#t~mem73#1, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1, main_#t~short77#1, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~malloc80#1.base, main_#t~malloc80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~memset~res85#1.base, main_#t~memset~res85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem90#1, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem94#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~ite95#1, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem106#1, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~pre109#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem118#1, main_#t~mem116#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem117#1, main_#t~mem119#1, main_#t~post120#1, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~post97#1, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1.base, main_#t~mem125#1.offset, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem137#1, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~ite140#1, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem147#1, main_#t~mem146#1, main_#t~mem148#1, main_#t~mem149#1, main_#t~mem151#1, main_#t~mem150#1, main_#t~mem152#1, main_#t~mem153#1, main_#t~mem155#1, main_#t~mem154#1, main_#t~mem156#1, main_#t~mem157#1, main_#t~switch158#1, main_#t~mem159#1, main_#t~mem160#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem163#1, main_#t~mem164#1, main_#t~mem165#1, main_#t~mem166#1, main_#t~mem167#1, main_#t~mem168#1, main_#t~mem169#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1, main_#t~mem180#1, main_#t~mem181#1, main_#t~short182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~ret184#1, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~short191#1, main_#t~mem192#1.base, main_#t~mem192#1.offset, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1.base, main_#t~mem197#1.offset, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1.base, main_#t~mem207#1.offset, main_#t~mem208#1.base, main_#t~mem208#1.offset, main_#t~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1, main_#t~mem211#1.base, main_#t~mem211#1.offset, main_#t~mem214#1, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1, main_#t~post218#1, main_#t~mem219#1.base, main_#t~mem219#1.offset, main_#t~mem220#1.base, main_#t~mem220#1.offset, main_#t~mem221#1.base, main_#t~mem221#1.offset, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1, main_#t~post229#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem144#1, main_#t~mem145#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem230#1.base, main_#t~mem230#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 2486#L735-4 [2021-11-19 04:10:15,253 INFO L793 eck$LassoCheckResult]: Loop: 2486#L735-4 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 2494#L735-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 2456#L737 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 2457#L737-2 call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 2529#L742-124 havoc main_~_ha_hashv~0#1; 2530#L742-49 goto; 2477#L742-47 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 2478#L742-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 2515#L742-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch24#1 := 11 == main_~_hj_k~0#1; 2635#L742-10 assume !main_#t~switch24#1; 2636#L742-12 main_#t~switch24#1 := main_#t~switch24#1 || 10 == main_~_hj_k~0#1; 2488#L742-13 assume !main_#t~switch24#1; 2489#L742-15 main_#t~switch24#1 := main_#t~switch24#1 || 9 == main_~_hj_k~0#1; 2624#L742-16 assume !main_#t~switch24#1; 2625#L742-18 main_#t~switch24#1 := main_#t~switch24#1 || 8 == main_~_hj_k~0#1; 2539#L742-19 assume !main_#t~switch24#1; 2540#L742-21 main_#t~switch24#1 := main_#t~switch24#1 || 7 == main_~_hj_k~0#1; 2641#L742-22 assume !main_#t~switch24#1; 2642#L742-24 main_#t~switch24#1 := main_#t~switch24#1 || 6 == main_~_hj_k~0#1; 2629#L742-25 assume !main_#t~switch24#1; 2630#L742-27 main_#t~switch24#1 := main_#t~switch24#1 || 5 == main_~_hj_k~0#1; 2599#L742-28 assume !main_#t~switch24#1; 2600#L742-30 main_#t~switch24#1 := main_#t~switch24#1 || 4 == main_~_hj_k~0#1; 2626#L742-31 assume !main_#t~switch24#1; 2627#L742-33 main_#t~switch24#1 := main_#t~switch24#1 || 3 == main_~_hj_k~0#1; 2655#L742-34 assume !main_#t~switch24#1; 2654#L742-36 main_#t~switch24#1 := main_#t~switch24#1 || 2 == main_~_hj_k~0#1; 2653#L742-37 assume !main_#t~switch24#1; 2533#L742-39 main_#t~switch24#1 := main_#t~switch24#1 || 1 == main_~_hj_k~0#1; 2534#L742-40 assume !main_#t~switch24#1; 2586#L742-42 havoc main_#t~switch24#1; 2633#L742-45 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8192);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 256 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 8192);main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 4096);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 65536 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32);main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 1024 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32768); 2570#L742-44 goto; 2508#L742-46 goto; 2509#L742-48 goto; 2475#L742-122 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 2476#L742-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem53#1.base, main_#t~mem53#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem53#1.base, main_#t~mem53#1.offset; 2634#L742-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem54#1.base, main_#t~mem54#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem55#1.base, main_#t~mem55#1.offset := read~$Pointer$(main_#t~mem54#1.base, 16 + main_#t~mem54#1.offset, 4);call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1 := read~int(main_#t~mem56#1.base, 20 + main_#t~mem56#1.offset, 4);call write~$Pointer$(main_#t~mem55#1.base, main_#t~mem55#1.offset - main_#t~mem57#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;havoc main_#t~mem55#1.base, main_#t~mem55#1.offset;havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1;call main_#t~mem58#1.base, main_#t~mem58#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_#t~mem58#1.base, 16 + main_#t~mem58#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem59#1.base, 8 + main_#t~mem59#1.offset, 4);havoc main_#t~mem58#1.base, main_#t~mem58#1.offset;havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;call main_#t~mem60#1.base, main_#t~mem60#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem60#1.base, 16 + main_#t~mem60#1.offset, 4);havoc main_#t~mem60#1.base, main_#t~mem60#1.offset; 2556#L742-66 goto; 2557#L742-120 havoc main_~_ha_bkt~0#1;call main_#t~mem61#1.base, main_#t~mem61#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem62#1 := read~int(main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);main_#t~post63#1 := main_#t~mem62#1;call write~int(1 + main_#t~post63#1, main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);havoc main_#t~mem61#1.base, main_#t~mem61#1.offset;havoc main_#t~mem62#1;havoc main_#t~post63#1; 2575#L742-71 call main_#t~mem64#1.base, main_#t~mem64#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem65#1 := read~int(main_#t~mem64#1.base, 4 + main_#t~mem64#1.offset, 4);main_~_ha_bkt~0#1 := ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem65#1 - 1);havoc main_#t~mem64#1.base, main_#t~mem64#1.offset;havoc main_#t~mem65#1; 2614#L742-70 goto; 2615#L742-118 call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem67#1.base, main_#t~mem67#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset;havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;call main_#t~mem68#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post69#1 := main_#t~mem68#1;call write~int(1 + main_#t~post69#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem68#1;havoc main_#t~post69#1;call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem70#1.base, main_#t~mem70#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 2510#L742-73 assume main_#t~mem71#1.base != 0 || main_#t~mem71#1.offset != 0;havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem72#1.base, 12 + main_#t~mem72#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset; 2446#L742-75 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem74#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem73#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short77#1 := main_#t~mem74#1 % 4294967296 >= 10 * (1 + main_#t~mem73#1) % 4294967296; 2447#L742-76 assume main_#t~short77#1;call main_#t~mem75#1.base, main_#t~mem75#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem76#1 := read~int(main_#t~mem75#1.base, 36 + main_#t~mem75#1.offset, 4);main_#t~short77#1 := 0 == main_#t~mem76#1 % 4294967296; 2496#L742-78 assume !main_#t~short77#1;havoc main_#t~mem74#1;havoc main_#t~mem73#1;havoc main_#t~mem75#1.base, main_#t~mem75#1.offset;havoc main_#t~mem76#1;havoc main_#t~short77#1; 2498#L742-117 goto; 2450#L742-119 goto; 2451#L742-121 goto; 2532#L742-123 goto; 2485#L735-3 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 2486#L735-4 [2021-11-19 04:10:15,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:10:15,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 5 times [2021-11-19 04:10:15,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:10:15,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796880741] [2021-11-19 04:10:15,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:10:15,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:10:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:10:15,281 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:10:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:10:15,306 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:10:15,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:10:15,307 INFO L85 PathProgramCache]: Analyzing trace with hash -956404287, now seen corresponding path program 1 times [2021-11-19 04:10:15,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:10:15,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45023029] [2021-11-19 04:10:15,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:10:15,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:10:15,329 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 04:10:15,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1450028979] [2021-11-19 04:10:15,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:10:15,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:10:15,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:10:15,334 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 04:10:15,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-19 04:10:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:10:15,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 04:10:15,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:10:15,584 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 04:10:15,584 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 04:10:15,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:10:15,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45023029] [2021-11-19 04:10:15,585 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 04:10:15,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450028979] [2021-11-19 04:10:15,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450028979] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:10:15,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:10:15,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:10:15,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655589922] [2021-11-19 04:10:15,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:10:15,587 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-19 04:10:15,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:10:15,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:10:15,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:10:15,588 INFO L87 Difference]: Start difference. First operand 225 states and 281 transitions. cyclomatic complexity: 60 Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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 04:10:15,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:10:15,658 INFO L93 Difference]: Finished difference Result 301 states and 384 transitions. [2021-11-19 04:10:15,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 04:10:15,661 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 301 states and 384 transitions. [2021-11-19 04:10:15,665 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 284 [2021-11-19 04:10:15,669 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 301 states to 301 states and 384 transitions. [2021-11-19 04:10:15,669 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 301 [2021-11-19 04:10:15,670 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 301 [2021-11-19 04:10:15,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 301 states and 384 transitions. [2021-11-19 04:10:15,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:10:15,671 INFO L681 BuchiCegarLoop]: Abstraction has 301 states and 384 transitions. [2021-11-19 04:10:15,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states and 384 transitions. [2021-11-19 04:10:15,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 193. [2021-11-19 04:10:15,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 189 states have (on average 1.2486772486772486) internal successors, (236), 188 states have internal predecessors, (236), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 04:10:15,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 242 transitions. [2021-11-19 04:10:15,679 INFO L704 BuchiCegarLoop]: Abstraction has 193 states and 242 transitions. [2021-11-19 04:10:15,679 INFO L587 BuchiCegarLoop]: Abstraction has 193 states and 242 transitions. [2021-11-19 04:10:15,679 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-19 04:10:15,679 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 193 states and 242 transitions. [2021-11-19 04:10:15,681 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 185 [2021-11-19 04:10:15,681 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 04:10:15,682 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 04:10:15,685 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-19 04:10:15,685 INFO L843 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:10:15,685 INFO L791 eck$LassoCheckResult]: Stem: 3311#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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(21, 2);~count_int_int~0 := 0; 3295#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~switch24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc36#1.base, main_#t~malloc36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~memset~res39#1.base, main_#t~memset~res39#1.offset, main_#t~mem40#1.base, main_#t~mem40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~mem43#1.base, main_#t~mem43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~malloc45#1.base, main_#t~malloc45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~mem47#1.base, main_#t~mem47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, 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.base, main_#t~mem61#1.offset, main_#t~mem62#1, main_#t~post63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1, main_#t~post69#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem74#1, main_#t~mem73#1, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1, main_#t~short77#1, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~malloc80#1.base, main_#t~malloc80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~memset~res85#1.base, main_#t~memset~res85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem90#1, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem94#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~ite95#1, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem106#1, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~pre109#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem118#1, main_#t~mem116#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem117#1, main_#t~mem119#1, main_#t~post120#1, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~post97#1, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1.base, main_#t~mem125#1.offset, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem137#1, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~ite140#1, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem147#1, main_#t~mem146#1, main_#t~mem148#1, main_#t~mem149#1, main_#t~mem151#1, main_#t~mem150#1, main_#t~mem152#1, main_#t~mem153#1, main_#t~mem155#1, main_#t~mem154#1, main_#t~mem156#1, main_#t~mem157#1, main_#t~switch158#1, main_#t~mem159#1, main_#t~mem160#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem163#1, main_#t~mem164#1, main_#t~mem165#1, main_#t~mem166#1, main_#t~mem167#1, main_#t~mem168#1, main_#t~mem169#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1, main_#t~mem180#1, main_#t~mem181#1, main_#t~short182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~ret184#1, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~short191#1, main_#t~mem192#1.base, main_#t~mem192#1.offset, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1.base, main_#t~mem197#1.offset, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1.base, main_#t~mem207#1.offset, main_#t~mem208#1.base, main_#t~mem208#1.offset, main_#t~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1, main_#t~mem211#1.base, main_#t~mem211#1.offset, main_#t~mem214#1, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1, main_#t~post218#1, main_#t~mem219#1.base, main_#t~mem219#1.offset, main_#t~mem220#1.base, main_#t~mem220#1.offset, main_#t~mem221#1.base, main_#t~mem221#1.offset, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1, main_#t~post229#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem144#1, main_#t~mem145#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem230#1.base, main_#t~mem230#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 3172#L735-4 [2021-11-19 04:10:15,688 INFO L793 eck$LassoCheckResult]: Loop: 3172#L735-4 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 3180#L735-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 3144#L737 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 3145#L737-2 call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 3212#L742-124 havoc main_~_ha_hashv~0#1; 3213#L742-49 goto; 3163#L742-47 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 3164#L742-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 3200#L742-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch24#1 := 11 == main_~_hj_k~0#1; 3306#L742-10 assume !main_#t~switch24#1; 3199#L742-12 main_#t~switch24#1 := main_#t~switch24#1 || 10 == main_~_hj_k~0#1; 3176#L742-13 assume !main_#t~switch24#1; 3177#L742-15 main_#t~switch24#1 := main_#t~switch24#1 || 9 == main_~_hj_k~0#1; 3258#L742-16 assume !main_#t~switch24#1; 3146#L742-18 main_#t~switch24#1 := main_#t~switch24#1 || 8 == main_~_hj_k~0#1; 3147#L742-19 assume !main_#t~switch24#1; 3227#L742-21 main_#t~switch24#1 := main_#t~switch24#1 || 7 == main_~_hj_k~0#1; 3253#L742-22 assume !main_#t~switch24#1; 3296#L742-24 main_#t~switch24#1 := main_#t~switch24#1 || 6 == main_~_hj_k~0#1; 3297#L742-25 assume !main_#t~switch24#1; 3209#L742-27 main_#t~switch24#1 := main_#t~switch24#1 || 5 == main_~_hj_k~0#1; 3210#L742-28 assume !main_#t~switch24#1; 3272#L742-30 main_#t~switch24#1 := main_#t~switch24#1 || 4 == main_~_hj_k~0#1; 3273#L742-31 assume main_#t~switch24#1;call main_#t~mem32#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem32#1 % 256);havoc main_#t~mem32#1; 3190#L742-33 main_#t~switch24#1 := main_#t~switch24#1 || 3 == main_~_hj_k~0#1; 3191#L742-34 assume main_#t~switch24#1;call main_#t~mem33#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem33#1 % 256);havoc main_#t~mem33#1; 3270#L742-36 main_#t~switch24#1 := main_#t~switch24#1 || 2 == main_~_hj_k~0#1; 3263#L742-37 assume main_#t~switch24#1;call main_#t~mem34#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem34#1 % 256);havoc main_#t~mem34#1; 3218#L742-39 main_#t~switch24#1 := main_#t~switch24#1 || 1 == main_~_hj_k~0#1; 3219#L742-40 assume main_#t~switch24#1;call main_#t~mem35#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + main_#t~mem35#1 % 256;havoc main_#t~mem35#1; 3266#L742-42 havoc main_#t~switch24#1; 3304#L742-45 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8192);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 256 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 8192);main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 4096);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 65536 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32);main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 1024 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32768); 3252#L742-44 goto; 3194#L742-46 goto; 3195#L742-48 goto; 3161#L742-122 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 3162#L742-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem53#1.base, main_#t~mem53#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem53#1.base, main_#t~mem53#1.offset; 3305#L742-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem54#1.base, main_#t~mem54#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem55#1.base, main_#t~mem55#1.offset := read~$Pointer$(main_#t~mem54#1.base, 16 + main_#t~mem54#1.offset, 4);call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1 := read~int(main_#t~mem56#1.base, 20 + main_#t~mem56#1.offset, 4);call write~$Pointer$(main_#t~mem55#1.base, main_#t~mem55#1.offset - main_#t~mem57#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;havoc main_#t~mem55#1.base, main_#t~mem55#1.offset;havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1;call main_#t~mem58#1.base, main_#t~mem58#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_#t~mem58#1.base, 16 + main_#t~mem58#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem59#1.base, 8 + main_#t~mem59#1.offset, 4);havoc main_#t~mem58#1.base, main_#t~mem58#1.offset;havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;call main_#t~mem60#1.base, main_#t~mem60#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem60#1.base, 16 + main_#t~mem60#1.offset, 4);havoc main_#t~mem60#1.base, main_#t~mem60#1.offset; 3240#L742-66 goto; 3241#L742-120 havoc main_~_ha_bkt~0#1;call main_#t~mem61#1.base, main_#t~mem61#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem62#1 := read~int(main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);main_#t~post63#1 := main_#t~mem62#1;call write~int(1 + main_#t~post63#1, main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);havoc main_#t~mem61#1.base, main_#t~mem61#1.offset;havoc main_#t~mem62#1;havoc main_#t~post63#1; 3256#L742-71 call main_#t~mem64#1.base, main_#t~mem64#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem65#1 := read~int(main_#t~mem64#1.base, 4 + main_#t~mem64#1.offset, 4);main_~_ha_bkt~0#1 := ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem65#1 - 1);havoc main_#t~mem64#1.base, main_#t~mem64#1.offset;havoc main_#t~mem65#1; 3291#L742-70 goto; 3292#L742-118 call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem67#1.base, main_#t~mem67#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset;havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;call main_#t~mem68#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post69#1 := main_#t~mem68#1;call write~int(1 + main_#t~post69#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem68#1;havoc main_#t~post69#1;call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem70#1.base, main_#t~mem70#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 3198#L742-73 assume main_#t~mem71#1.base != 0 || main_#t~mem71#1.offset != 0;havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem72#1.base, 12 + main_#t~mem72#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset; 3134#L742-75 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem74#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem73#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short77#1 := main_#t~mem74#1 % 4294967296 >= 10 * (1 + main_#t~mem73#1) % 4294967296; 3135#L742-76 assume main_#t~short77#1;call main_#t~mem75#1.base, main_#t~mem75#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem76#1 := read~int(main_#t~mem75#1.base, 36 + main_#t~mem75#1.offset, 4);main_#t~short77#1 := 0 == main_#t~mem76#1 % 4294967296; 3182#L742-78 assume !main_#t~short77#1;havoc main_#t~mem74#1;havoc main_#t~mem73#1;havoc main_#t~mem75#1.base, main_#t~mem75#1.offset;havoc main_#t~mem76#1;havoc main_#t~short77#1; 3184#L742-117 goto; 3138#L742-119 goto; 3139#L742-121 goto; 3217#L742-123 goto; 3171#L735-3 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 3172#L735-4 [2021-11-19 04:10:15,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:10:15,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 6 times [2021-11-19 04:10:15,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:10:15,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953314036] [2021-11-19 04:10:15,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:10:15,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:10:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:10:15,717 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:10:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:10:15,730 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:10:15,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:10:15,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1694021305, now seen corresponding path program 1 times [2021-11-19 04:10:15,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:10:15,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898068774] [2021-11-19 04:10:15,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:10:15,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:10:15,739 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 04:10:15,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1150425038] [2021-11-19 04:10:15,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:10:15,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:10:15,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:10:15,742 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 04:10:15,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-19 04:10:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:10:35,742 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:11:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:11:48,719 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:11:48,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:11:48,720 INFO L85 PathProgramCache]: Analyzing trace with hash -40931685, now seen corresponding path program 1 times [2021-11-19 04:11:48,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:11:48,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763203512] [2021-11-19 04:11:48,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:11:48,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:11:48,736 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 04:11:48,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [871857575] [2021-11-19 04:11:48,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:11:48,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:11:48,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:11:48,745 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 04:11:48,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de17c27d-cf6e-48c2-9f80-89aa0d7305e0/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-19 04:11:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:11:48,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 04:11:48,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:11:49,240 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 04:11:49,241 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 04:11:49,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:11:49,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763203512] [2021-11-19 04:11:49,241 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 04:11:49,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871857575] [2021-11-19 04:11:49,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871857575] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:11:49,241 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:11:49,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 04:11:49,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121304933] [2021-11-19 04:11:49,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton