./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF --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 72c3cbe0b435a963730c7c79c0d825f3c978c53ad7cc61822ef9417e2e6ee67f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:09:31,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:09:31,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:09:32,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:09:32,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:09:32,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:09:32,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:09:32,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:09:32,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:09:32,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:09:32,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:09:32,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:09:32,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:09:32,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:09:32,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:09:32,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:09:32,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:09:32,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:09:32,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:09:32,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:09:32,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:09:32,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:09:32,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:09:32,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:09:32,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:09:32,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:09:32,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:09:32,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:09:32,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:09:32,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:09:32,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:09:32,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:09:32,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:09:32,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:09:32,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:09:32,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:09:32,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:09:32,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:09:32,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:09:32,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:09:32,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:09:32,108 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 06:09:32,135 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:09:32,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:09:32,136 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:09:32,136 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:09:32,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:09:32,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:09:32,138 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:09:32,138 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:09:32,138 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:09:32,138 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:09:32,139 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:09:32,139 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:09:32,139 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:09:32,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:09:32,139 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:09:32,139 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:09:32,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:09:32,140 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:09:32,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:09:32,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:09:32,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:09:32,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:09:32,141 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:09:32,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:09:32,141 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:09:32,141 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:09:32,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:09:32,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:09:32,142 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:09:32,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:09:32,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:09:32,142 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:09:32,143 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:09:32,144 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_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72c3cbe0b435a963730c7c79c0d825f3c978c53ad7cc61822ef9417e2e6ee67f [2021-11-20 06:09:32,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:09:32,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:09:32,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:09:32,458 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:09:32,460 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:09:32,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i [2021-11-20 06:09:32,562 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/data/241a343d6/452ee346a46e4df69f55779e84f45c94/FLAG4c118565a [2021-11-20 06:09:33,191 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:09:33,192 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i [2021-11-20 06:09:33,209 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/data/241a343d6/452ee346a46e4df69f55779e84f45c94/FLAG4c118565a [2021-11-20 06:09:33,408 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/data/241a343d6/452ee346a46e4df69f55779e84f45c94 [2021-11-20 06:09:33,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:09:33,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:09:33,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:09:33,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:09:33,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:09:33,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:09:33" (1/1) ... [2021-11-20 06:09:33,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1332ae88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:33, skipping insertion in model container [2021-11-20 06:09:33,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:09:33" (1/1) ... [2021-11-20 06:09:33,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:09:33,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:09:34,012 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_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i[33021,33034] [2021-11-20 06:09:34,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:09:34,176 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:09:34,230 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_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i[33021,33034] [2021-11-20 06:09:34,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:09:34,315 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:09:34,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:34 WrapperNode [2021-11-20 06:09:34,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:09:34,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:09:34,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:09:34,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:09:34,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:34" (1/1) ... [2021-11-20 06:09:34,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:34" (1/1) ... [2021-11-20 06:09:34,430 INFO L137 Inliner]: procedures = 177, calls = 186, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 652 [2021-11-20 06:09:34,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:09:34,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:09:34,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:09:34,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:09:34,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:34" (1/1) ... [2021-11-20 06:09:34,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:34" (1/1) ... [2021-11-20 06:09:34,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:34" (1/1) ... [2021-11-20 06:09:34,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:34" (1/1) ... [2021-11-20 06:09:34,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:34" (1/1) ... [2021-11-20 06:09:34,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:34" (1/1) ... [2021-11-20 06:09:34,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:34" (1/1) ... [2021-11-20 06:09:34,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:09:34,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:09:34,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:09:34,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:09:34,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:34" (1/1) ... [2021-11-20 06:09:34,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:09:34,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:09:34,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:09:34,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:09:34,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:09:34,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:09:34,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 06:09:34,677 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 06:09:34,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:09:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:09:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:09:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:09:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:09:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:09:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:09:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:09:34,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:09:34,897 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:09:34,899 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:09:34,903 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:09:35,846 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:09:35,857 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:09:35,858 INFO L301 CfgBuilder]: Removed 31 assume(true) statements. [2021-11-20 06:09:35,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:09:35 BoogieIcfgContainer [2021-11-20 06:09:35,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:09:35,862 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:09:35,862 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:09:35,866 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:09:35,866 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:09:35,867 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:09:33" (1/3) ... [2021-11-20 06:09:35,869 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@587ebf8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:09:35, skipping insertion in model container [2021-11-20 06:09:35,869 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:09:35,869 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:34" (2/3) ... [2021-11-20 06:09:35,870 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@587ebf8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:09:35, skipping insertion in model container [2021-11-20 06:09:35,870 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:09:35,870 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:09:35" (3/3) ... [2021-11-20 06:09:35,876 INFO L388 chiAutomizerObserver]: Analyzing ICFG uthash_FNV_test1-1.i [2021-11-20 06:09:35,938 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:09:35,938 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:09:35,938 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:09:35,938 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:09:35,939 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:09:35,939 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:09:35,939 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:09:35,939 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:09:35,970 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 133 states, 128 states have (on average 1.640625) internal successors, (210), 128 states have internal predecessors, (210), 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) [2021-11-20 06:09:36,054 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 122 [2021-11-20 06:09:36,055 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:09:36,055 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:09:36,064 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 06:09:36,065 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-20 06:09:36,065 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:09:36,068 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 133 states, 128 states have (on average 1.640625) internal successors, (210), 128 states have internal predecessors, (210), 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) [2021-11-20 06:09:36,087 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 122 [2021-11-20 06:09:36,091 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:09:36,091 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:09:36,092 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 06:09:36,092 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-20 06:09:36,100 INFO L791 eck$LassoCheckResult]: Stem: 117#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; 45#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~switch19#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#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_~_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~malloc31#1.base, main_#t~malloc31#1.offset, main_#t~mem32#1.base, main_#t~mem32#1.offset, main_#t~mem33#1.base, main_#t~mem33#1.offset, main_#t~memset~res34#1.base, main_#t~memset~res34#1.offset, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~mem39#1.base, main_#t~mem39#1.offset, main_#t~malloc40#1.base, main_#t~malloc40#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~mem45#1.base, main_#t~mem45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~memset~res47#1.base, main_#t~memset~res47#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~mem52#1, 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~post58#1, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1, main_#t~post64#1, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem69#1, main_#t~mem68#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1, main_#t~short72#1, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1, main_#t~malloc75#1.base, main_#t~malloc75#1.offset, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~memset~res80#1.base, main_#t~memset~res80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem85#1, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem89#1, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem88#1, main_#t~ite90#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem101#1, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~pre104#1, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~post109#1, main_#t~mem113#1, main_#t~mem111#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem112#1, main_#t~mem114#1, main_#t~post115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1.base, main_#t~mem117#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~post92#1, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~post125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1.base, main_#t~mem129#1.offset, main_#t~mem132#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ite135#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem137#1, main_#t~mem138#1.base, main_#t~mem138#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~post5#1, main_#t~mem140#1, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;havoc main_~i~0#1;havoc main_~user~0#1.base, main_~user~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;main_~i~0#1 := 0; 106#L750-3true [2021-11-20 06:09:36,102 INFO L793 eck$LassoCheckResult]: Loop: 106#L750-3true assume !!(main_~i~0#1 < 10);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 71#L752true assume main_~user~0#1.base == 0 && main_~user~0#1.offset == 0;assume false; 73#L752-2true call write~int(main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, 4);call write~int(main_~i~0#1 * main_~i~0#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4); 92#L757-124true assume !true; 52#L750-2true main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 106#L750-3true [2021-11-20 06:09:36,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:09:36,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2021-11-20 06:09:36,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:09:36,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177626995] [2021-11-20 06:09:36,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:09:36,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:09:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:09:36,207 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:09:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:09:36,244 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:09:36,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:09:36,248 INFO L85 PathProgramCache]: Analyzing trace with hash 46868472, now seen corresponding path program 1 times [2021-11-20 06:09:36,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:09:36,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667792435] [2021-11-20 06:09:36,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:09:36,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:09:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:36,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:09:36,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:09:36,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667792435] [2021-11-20 06:09:36,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667792435] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:09:36,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:09:36,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:09:36,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756532937] [2021-11-20 06:09:36,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:09:36,312 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-20 06:09:36,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:09:36,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 06:09:36,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:09:36,350 INFO L87 Difference]: Start difference. First operand has 133 states, 128 states have (on average 1.640625) internal successors, (210), 128 states have internal predecessors, (210), 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 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2021-11-20 06:09:36,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:09:36,368 INFO L93 Difference]: Finished difference Result 133 states and 171 transitions. [2021-11-20 06:09:36,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 06:09:36,374 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 133 states and 171 transitions. [2021-11-20 06:09:36,379 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 122 [2021-11-20 06:09:36,386 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 133 states to 129 states and 167 transitions. [2021-11-20 06:09:36,387 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 129 [2021-11-20 06:09:36,389 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 129 [2021-11-20 06:09:36,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 129 states and 167 transitions. [2021-11-20 06:09:36,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:09:36,392 INFO L681 BuchiCegarLoop]: Abstraction has 129 states and 167 transitions. [2021-11-20 06:09:36,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states and 167 transitions. [2021-11-20 06:09:36,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2021-11-20 06:09:36,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 125 states have (on average 1.288) internal successors, (161), 124 states have internal predecessors, (161), 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) [2021-11-20 06:09:36,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 167 transitions. [2021-11-20 06:09:36,433 INFO L704 BuchiCegarLoop]: Abstraction has 129 states and 167 transitions. [2021-11-20 06:09:36,433 INFO L587 BuchiCegarLoop]: Abstraction has 129 states and 167 transitions. [2021-11-20 06:09:36,433 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 06:09:36,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 129 states and 167 transitions. [2021-11-20 06:09:36,436 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 122 [2021-11-20 06:09:36,436 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:09:36,436 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:09:36,437 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 06:09:36,438 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] [2021-11-20 06:09:36,438 INFO L791 eck$LassoCheckResult]: Stem: 400#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; 347#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~switch19#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#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_~_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~malloc31#1.base, main_#t~malloc31#1.offset, main_#t~mem32#1.base, main_#t~mem32#1.offset, main_#t~mem33#1.base, main_#t~mem33#1.offset, main_#t~memset~res34#1.base, main_#t~memset~res34#1.offset, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~mem39#1.base, main_#t~mem39#1.offset, main_#t~malloc40#1.base, main_#t~malloc40#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~mem45#1.base, main_#t~mem45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~memset~res47#1.base, main_#t~memset~res47#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~mem52#1, 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~post58#1, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1, main_#t~post64#1, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem69#1, main_#t~mem68#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1, main_#t~short72#1, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1, main_#t~malloc75#1.base, main_#t~malloc75#1.offset, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~memset~res80#1.base, main_#t~memset~res80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem85#1, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem89#1, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem88#1, main_#t~ite90#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem101#1, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~pre104#1, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~post109#1, main_#t~mem113#1, main_#t~mem111#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem112#1, main_#t~mem114#1, main_#t~post115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1.base, main_#t~mem117#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~post92#1, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~post125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1.base, main_#t~mem129#1.offset, main_#t~mem132#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ite135#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem137#1, main_#t~mem138#1.base, main_#t~mem138#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~post5#1, main_#t~mem140#1, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;havoc main_~i~0#1;havoc main_~user~0#1.base, main_~user~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;main_~i~0#1 := 0; 348#L750-3 [2021-11-20 06:09:36,440 INFO L793 eck$LassoCheckResult]: Loop: 348#L750-3 assume !!(main_~i~0#1 < 10);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 375#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 376#L752-2 call write~int(main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, 4);call write~int(main_~i~0#1 * main_~i~0#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4); 378#L757-124 havoc main_~_ha_hashv~0#1; 377#L757-49 goto; 363#L757-47 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; 278#L757-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 279#L757-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch19#1 := 11 == main_~_hj_k~0#1; 334#L757-10 assume main_#t~switch19#1;call main_#t~mem20#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~mem20#1 % 256);havoc main_#t~mem20#1; 398#L757-12 main_#t~switch19#1 := main_#t~switch19#1 || 10 == main_~_hj_k~0#1; 319#L757-13 assume main_#t~switch19#1;call main_#t~mem21#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~mem21#1 % 256);havoc main_#t~mem21#1; 276#L757-15 main_#t~switch19#1 := main_#t~switch19#1 || 9 == main_~_hj_k~0#1; 277#L757-16 assume main_#t~switch19#1;call main_#t~mem22#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~mem22#1 % 256);havoc main_#t~mem22#1; 389#L757-18 main_#t~switch19#1 := main_#t~switch19#1 || 8 == main_~_hj_k~0#1; 380#L757-19 assume main_#t~switch19#1;call main_#t~mem23#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~mem23#1 % 256);havoc main_#t~mem23#1; 307#L757-21 main_#t~switch19#1 := main_#t~switch19#1 || 7 == main_~_hj_k~0#1; 308#L757-22 assume !main_#t~switch19#1; 360#L757-24 main_#t~switch19#1 := main_#t~switch19#1 || 6 == main_~_hj_k~0#1; 338#L757-25 assume main_#t~switch19#1;call main_#t~mem25#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~mem25#1 % 256);havoc main_#t~mem25#1; 339#L757-27 main_#t~switch19#1 := main_#t~switch19#1 || 5 == main_~_hj_k~0#1; 397#L757-28 assume main_#t~switch19#1;call main_#t~mem26#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~mem26#1 % 256;havoc main_#t~mem26#1; 395#L757-30 main_#t~switch19#1 := main_#t~switch19#1 || 4 == main_~_hj_k~0#1; 394#L757-31 assume main_#t~switch19#1;call main_#t~mem27#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~mem27#1 % 256);havoc main_#t~mem27#1; 285#L757-33 main_#t~switch19#1 := main_#t~switch19#1 || 3 == main_~_hj_k~0#1; 286#L757-34 assume main_#t~switch19#1;call main_#t~mem28#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~mem28#1 % 256);havoc main_#t~mem28#1; 359#L757-36 main_#t~switch19#1 := main_#t~switch19#1 || 2 == main_~_hj_k~0#1; 349#L757-37 assume main_#t~switch19#1;call main_#t~mem29#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~mem29#1 % 256);havoc main_#t~mem29#1; 350#L757-39 main_#t~switch19#1 := main_#t~switch19#1 || 1 == main_~_hj_k~0#1; 309#L757-40 assume main_#t~switch19#1;call main_#t~mem30#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~mem30#1 % 256;havoc main_#t~mem30#1; 292#L757-42 havoc main_#t~switch19#1; 293#L757-45 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); 344#L757-44 goto; 382#L757-46 goto; 383#L757-48 goto; 345#L757-122 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); 346#L757-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem48#1.base, main_#t~mem48#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem48#1.base, main_#t~mem48#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem48#1.base, main_#t~mem48#1.offset; 386#L757-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem49#1.base, main_#t~mem49#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem50#1.base, main_#t~mem50#1.offset := read~$Pointer$(main_#t~mem49#1.base, 16 + main_#t~mem49#1.offset, 4);call main_#t~mem51#1.base, main_#t~mem51#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_#t~mem51#1.base, 20 + main_#t~mem51#1.offset, 4);call write~$Pointer$(main_#t~mem50#1.base, main_#t~mem50#1.offset - main_#t~mem52#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem49#1.base, main_#t~mem49#1.offset;havoc main_#t~mem50#1.base, main_#t~mem50#1.offset;havoc main_#t~mem51#1.base, main_#t~mem51#1.offset;havoc main_#t~mem52#1;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 main_#t~mem54#1.base, main_#t~mem54#1.offset := read~$Pointer$(main_#t~mem53#1.base, 16 + main_#t~mem53#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem54#1.base, 8 + main_#t~mem54#1.offset, 4);havoc main_#t~mem53#1.base, main_#t~mem53#1.offset;havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;call main_#t~mem55#1.base, main_#t~mem55#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~mem55#1.base, 16 + main_#t~mem55#1.offset, 4);havoc main_#t~mem55#1.base, main_#t~mem55#1.offset; 387#L757-66 goto; 312#L757-120 havoc main_~_ha_bkt~0#1;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, 12 + main_#t~mem56#1.offset, 4);main_#t~post58#1 := main_#t~mem57#1;call write~int(1 + main_#t~post58#1, main_#t~mem56#1.base, 12 + main_#t~mem56#1.offset, 4);havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1;havoc main_#t~post58#1; 361#L757-71 call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem60#1 := read~int(main_#t~mem59#1.base, 4 + main_#t~mem59#1.offset, 4);main_~_ha_bkt~0#1 := ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem60#1 - 1);havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;havoc main_#t~mem60#1; 362#L757-70 goto; 374#L757-118 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.base, main_#t~mem62#1.offset := read~$Pointer$(main_#t~mem61#1.base, main_#t~mem61#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem62#1.base, main_#t~mem62#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~mem61#1.base, main_#t~mem61#1.offset;havoc main_#t~mem62#1.base, main_#t~mem62#1.offset;call main_#t~mem63#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post64#1 := main_#t~mem63#1;call write~int(1 + main_#t~post64#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem63#1;havoc main_#t~post64#1;call main_#t~mem65#1.base, main_#t~mem65#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem65#1.base, main_#t~mem65#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem65#1.base, main_#t~mem65#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 379#L757-73 assume main_#t~mem66#1.base != 0 || main_#t~mem66#1.offset != 0;havoc main_#t~mem66#1.base, main_#t~mem66#1.offset;call main_#t~mem67#1.base, main_#t~mem67#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~mem67#1.base, 12 + main_#t~mem67#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset; 329#L757-75 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~mem69#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem68#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short72#1 := main_#t~mem69#1 % 4294967296 >= 10 * (1 + main_#t~mem68#1) % 4294967296; 330#L757-76 assume main_#t~short72#1;call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem71#1 := read~int(main_#t~mem70#1.base, 36 + main_#t~mem70#1.offset, 4);main_#t~short72#1 := 0 == main_#t~mem71#1 % 4294967296; 390#L757-78 assume !main_#t~short72#1;havoc main_#t~mem69#1;havoc main_#t~mem68#1;havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;havoc main_#t~mem71#1;havoc main_#t~short72#1; 315#L757-117 goto; 316#L757-119 goto; 327#L757-121 goto; 328#L757-123 goto; 355#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 348#L750-3 [2021-11-20 06:09:36,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:09:36,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2021-11-20 06:09:36,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:09:36,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287054968] [2021-11-20 06:09:36,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:09:36,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:09:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:09:36,454 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:09:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:09:36,470 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:09:36,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:09:36,471 INFO L85 PathProgramCache]: Analyzing trace with hash 155189657, now seen corresponding path program 1 times [2021-11-20 06:09:36,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:09:36,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060174968] [2021-11-20 06:09:36,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:09:36,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:09:36,488 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:09:36,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1359230953] [2021-11-20 06:09:36,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:09:36,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:09:36,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:09:36,492 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:09:36,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 06:09:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:36,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:09:36,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:09:36,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:09:36,903 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:09:36,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:09:36,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060174968] [2021-11-20 06:09:36,904 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:09:36,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359230953] [2021-11-20 06:09:36,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359230953] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:09:36,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:09:36,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:09:36,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283875776] [2021-11-20 06:09:36,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:09:36,908 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-20 06:09:36,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:09:36,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:09:36,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:09:36,911 INFO L87 Difference]: Start difference. First operand 129 states and 167 transitions. cyclomatic complexity: 41 Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-20 06:09:37,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:09:37,055 INFO L93 Difference]: Finished difference Result 150 states and 188 transitions. [2021-11-20 06:09:37,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:09:37,056 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 150 states and 188 transitions. [2021-11-20 06:09:37,060 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 143 [2021-11-20 06:09:37,069 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 150 states to 150 states and 188 transitions. [2021-11-20 06:09:37,069 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 150 [2021-11-20 06:09:37,075 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 150 [2021-11-20 06:09:37,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 150 states and 188 transitions. [2021-11-20 06:09:37,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:09:37,082 INFO L681 BuchiCegarLoop]: Abstraction has 150 states and 188 transitions. [2021-11-20 06:09:37,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states and 188 transitions. [2021-11-20 06:09:37,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 149. [2021-11-20 06:09:37,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 145 states have (on average 1.2482758620689656) internal successors, (181), 144 states have internal predecessors, (181), 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) [2021-11-20 06:09:37,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 187 transitions. [2021-11-20 06:09:37,098 INFO L704 BuchiCegarLoop]: Abstraction has 149 states and 187 transitions. [2021-11-20 06:09:37,099 INFO L587 BuchiCegarLoop]: Abstraction has 149 states and 187 transitions. [2021-11-20 06:09:37,099 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 06:09:37,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 149 states and 187 transitions. [2021-11-20 06:09:37,102 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 142 [2021-11-20 06:09:37,102 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:09:37,102 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:09:37,106 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 06:09:37,106 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] [2021-11-20 06:09:37,106 INFO L791 eck$LassoCheckResult]: Stem: 844#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; 783#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~switch19#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#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_~_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~malloc31#1.base, main_#t~malloc31#1.offset, main_#t~mem32#1.base, main_#t~mem32#1.offset, main_#t~mem33#1.base, main_#t~mem33#1.offset, main_#t~memset~res34#1.base, main_#t~memset~res34#1.offset, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~mem39#1.base, main_#t~mem39#1.offset, main_#t~malloc40#1.base, main_#t~malloc40#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~mem45#1.base, main_#t~mem45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~memset~res47#1.base, main_#t~memset~res47#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~mem52#1, 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~post58#1, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1, main_#t~post64#1, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem69#1, main_#t~mem68#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1, main_#t~short72#1, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1, main_#t~malloc75#1.base, main_#t~malloc75#1.offset, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~memset~res80#1.base, main_#t~memset~res80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem85#1, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem89#1, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem88#1, main_#t~ite90#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem101#1, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~pre104#1, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~post109#1, main_#t~mem113#1, main_#t~mem111#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem112#1, main_#t~mem114#1, main_#t~post115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1.base, main_#t~mem117#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~post92#1, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~post125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1.base, main_#t~mem129#1.offset, main_#t~mem132#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ite135#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem137#1, main_#t~mem138#1.base, main_#t~mem138#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~post5#1, main_#t~mem140#1, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;havoc main_~i~0#1;havoc main_~user~0#1.base, main_~user~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;main_~i~0#1 := 0; 784#L750-3 [2021-11-20 06:09:37,107 INFO L793 eck$LassoCheckResult]: Loop: 784#L750-3 assume !!(main_~i~0#1 < 10);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 814#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 815#L752-2 call write~int(main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, 4);call write~int(main_~i~0#1 * main_~i~0#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4); 817#L757-124 havoc main_~_ha_hashv~0#1; 816#L757-49 goto; 802#L757-47 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; 713#L757-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 714#L757-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch19#1 := 11 == main_~_hj_k~0#1; 770#L757-10 assume main_#t~switch19#1;call main_#t~mem20#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~mem20#1 % 256);havoc main_#t~mem20#1; 839#L757-12 main_#t~switch19#1 := main_#t~switch19#1 || 10 == main_~_hj_k~0#1; 754#L757-13 assume main_#t~switch19#1;call main_#t~mem21#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~mem21#1 % 256);havoc main_#t~mem21#1; 755#L757-15 main_#t~switch19#1 := main_#t~switch19#1 || 9 == main_~_hj_k~0#1; 829#L757-16 assume main_#t~switch19#1;call main_#t~mem22#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~mem22#1 % 256);havoc main_#t~mem22#1; 830#L757-18 main_#t~switch19#1 := main_#t~switch19#1 || 8 == main_~_hj_k~0#1; 819#L757-19 assume main_#t~switch19#1;call main_#t~mem23#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~mem23#1 % 256);havoc main_#t~mem23#1; 820#L757-21 main_#t~switch19#1 := main_#t~switch19#1 || 7 == main_~_hj_k~0#1; 800#L757-22 assume main_#t~switch19#1;call main_#t~mem24#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~mem24#1 % 256);havoc main_#t~mem24#1; 801#L757-24 main_#t~switch19#1 := main_#t~switch19#1 || 6 == main_~_hj_k~0#1; 774#L757-25 assume main_#t~switch19#1;call main_#t~mem25#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~mem25#1 % 256);havoc main_#t~mem25#1; 775#L757-27 main_#t~switch19#1 := main_#t~switch19#1 || 5 == main_~_hj_k~0#1; 838#L757-28 assume main_#t~switch19#1;call main_#t~mem26#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~mem26#1 % 256;havoc main_#t~mem26#1; 836#L757-30 main_#t~switch19#1 := main_#t~switch19#1 || 4 == main_~_hj_k~0#1; 835#L757-31 assume main_#t~switch19#1;call main_#t~mem27#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~mem27#1 % 256);havoc main_#t~mem27#1; 720#L757-33 main_#t~switch19#1 := main_#t~switch19#1 || 3 == main_~_hj_k~0#1; 721#L757-34 assume main_#t~switch19#1;call main_#t~mem28#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~mem28#1 % 256);havoc main_#t~mem28#1; 795#L757-36 main_#t~switch19#1 := main_#t~switch19#1 || 2 == main_~_hj_k~0#1; 785#L757-37 assume main_#t~switch19#1;call main_#t~mem29#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~mem29#1 % 256);havoc main_#t~mem29#1; 786#L757-39 main_#t~switch19#1 := main_#t~switch19#1 || 1 == main_~_hj_k~0#1; 744#L757-40 assume main_#t~switch19#1;call main_#t~mem30#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~mem30#1 % 256;havoc main_#t~mem30#1; 727#L757-42 havoc main_#t~switch19#1; 728#L757-45 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); 778#L757-44 goto; 822#L757-46 goto; 823#L757-48 goto; 779#L757-122 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 780#L757-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem48#1.base, main_#t~mem48#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem48#1.base, main_#t~mem48#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem48#1.base, main_#t~mem48#1.offset; 826#L757-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem49#1.base, main_#t~mem49#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem50#1.base, main_#t~mem50#1.offset := read~$Pointer$(main_#t~mem49#1.base, 16 + main_#t~mem49#1.offset, 4);call main_#t~mem51#1.base, main_#t~mem51#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_#t~mem51#1.base, 20 + main_#t~mem51#1.offset, 4);call write~$Pointer$(main_#t~mem50#1.base, main_#t~mem50#1.offset - main_#t~mem52#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem49#1.base, main_#t~mem49#1.offset;havoc main_#t~mem50#1.base, main_#t~mem50#1.offset;havoc main_#t~mem51#1.base, main_#t~mem51#1.offset;havoc main_#t~mem52#1;call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem54#1.base, main_#t~mem54#1.offset := read~$Pointer$(main_#t~mem53#1.base, 16 + main_#t~mem53#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem54#1.base, 8 + main_#t~mem54#1.offset, 4);havoc main_#t~mem53#1.base, main_#t~mem53#1.offset;havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;call main_#t~mem55#1.base, main_#t~mem55#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem55#1.base, 16 + main_#t~mem55#1.offset, 4);havoc main_#t~mem55#1.base, main_#t~mem55#1.offset; 827#L757-66 goto; 747#L757-120 havoc main_~_ha_bkt~0#1;call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1 := read~int(main_#t~mem56#1.base, 12 + main_#t~mem56#1.offset, 4);main_#t~post58#1 := main_#t~mem57#1;call write~int(1 + main_#t~post58#1, main_#t~mem56#1.base, 12 + main_#t~mem56#1.offset, 4);havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1;havoc main_#t~post58#1; 798#L757-71 call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem60#1 := read~int(main_#t~mem59#1.base, 4 + main_#t~mem59#1.offset, 4);main_~_ha_bkt~0#1 := ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem60#1 - 1);havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;havoc main_#t~mem60#1; 799#L757-70 goto; 813#L757-118 call main_#t~mem61#1.base, main_#t~mem61#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem62#1.base, main_#t~mem62#1.offset := read~$Pointer$(main_#t~mem61#1.base, main_#t~mem61#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem62#1.base, main_#t~mem62#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem61#1.base, main_#t~mem61#1.offset;havoc main_#t~mem62#1.base, main_#t~mem62#1.offset;call main_#t~mem63#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post64#1 := main_#t~mem63#1;call write~int(1 + main_#t~post64#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem63#1;havoc main_#t~post64#1;call main_#t~mem65#1.base, main_#t~mem65#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem65#1.base, main_#t~mem65#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem65#1.base, main_#t~mem65#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 818#L757-73 assume main_#t~mem66#1.base != 0 || main_#t~mem66#1.offset != 0;havoc main_#t~mem66#1.base, main_#t~mem66#1.offset;call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem67#1.base, 12 + main_#t~mem67#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset; 765#L757-75 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem69#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem68#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short72#1 := main_#t~mem69#1 % 4294967296 >= 10 * (1 + main_#t~mem68#1) % 4294967296; 766#L757-76 assume main_#t~short72#1;call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem71#1 := read~int(main_#t~mem70#1.base, 36 + main_#t~mem70#1.offset, 4);main_#t~short72#1 := 0 == main_#t~mem71#1 % 4294967296; 831#L757-78 assume !main_#t~short72#1;havoc main_#t~mem69#1;havoc main_#t~mem68#1;havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;havoc main_#t~mem71#1;havoc main_#t~short72#1; 750#L757-117 goto; 751#L757-119 goto; 762#L757-121 goto; 763#L757-123 goto; 791#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 784#L750-3 [2021-11-20 06:09:37,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:09:37,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 3 times [2021-11-20 06:09:37,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:09:37,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841404055] [2021-11-20 06:09:37,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:09:37,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:09:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:09:37,133 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:09:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:09:37,167 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:09:37,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:09:37,176 INFO L85 PathProgramCache]: Analyzing trace with hash 999195159, now seen corresponding path program 1 times [2021-11-20 06:09:37,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:09:37,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339137043] [2021-11-20 06:09:37,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:09:37,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:09:37,196 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:09:37,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2093602847] [2021-11-20 06:09:37,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:09:37,198 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:09:37,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:09:37,206 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:09:37,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 06:09:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:37,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:09:37,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:09:37,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:09:37,490 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:09:37,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:09:37,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339137043] [2021-11-20 06:09:37,490 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:09:37,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093602847] [2021-11-20 06:09:37,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093602847] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:09:37,491 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:09:37,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:09:37,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039338248] [2021-11-20 06:09:37,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:09:37,493 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-20 06:09:37,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:09:37,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:09:37,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:09:37,494 INFO L87 Difference]: Start difference. First operand 149 states and 187 transitions. cyclomatic complexity: 41 Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2021-11-20 06:09:37,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:09:37,596 INFO L93 Difference]: Finished difference Result 177 states and 219 transitions. [2021-11-20 06:09:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:09:37,598 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 177 states and 219 transitions. [2021-11-20 06:09:37,600 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 163 [2021-11-20 06:09:37,603 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 177 states to 177 states and 219 transitions. [2021-11-20 06:09:37,603 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 177 [2021-11-20 06:09:37,603 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 177 [2021-11-20 06:09:37,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 177 states and 219 transitions. [2021-11-20 06:09:37,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:09:37,605 INFO L681 BuchiCegarLoop]: Abstraction has 177 states and 219 transitions. [2021-11-20 06:09:37,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states and 219 transitions. [2021-11-20 06:09:37,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 135. [2021-11-20 06:09:37,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 131 states have (on average 1.2213740458015268) internal successors, (160), 130 states have internal predecessors, (160), 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) [2021-11-20 06:09:37,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 166 transitions. [2021-11-20 06:09:37,614 INFO L704 BuchiCegarLoop]: Abstraction has 135 states and 166 transitions. [2021-11-20 06:09:37,614 INFO L587 BuchiCegarLoop]: Abstraction has 135 states and 166 transitions. [2021-11-20 06:09:37,614 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-20 06:09:37,615 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 135 states and 166 transitions. [2021-11-20 06:09:37,616 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2021-11-20 06:09:37,616 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:09:37,616 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:09:37,617 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 06:09:37,617 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] [2021-11-20 06:09:37,618 INFO L791 eck$LassoCheckResult]: Stem: 1323#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; 1267#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~switch19#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#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_~_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~malloc31#1.base, main_#t~malloc31#1.offset, main_#t~mem32#1.base, main_#t~mem32#1.offset, main_#t~mem33#1.base, main_#t~mem33#1.offset, main_#t~memset~res34#1.base, main_#t~memset~res34#1.offset, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~mem39#1.base, main_#t~mem39#1.offset, main_#t~malloc40#1.base, main_#t~malloc40#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~mem45#1.base, main_#t~mem45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~memset~res47#1.base, main_#t~memset~res47#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~mem52#1, 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~post58#1, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1, main_#t~post64#1, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem69#1, main_#t~mem68#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1, main_#t~short72#1, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1, main_#t~malloc75#1.base, main_#t~malloc75#1.offset, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~memset~res80#1.base, main_#t~memset~res80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem85#1, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem89#1, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem88#1, main_#t~ite90#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem101#1, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~pre104#1, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~post109#1, main_#t~mem113#1, main_#t~mem111#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem112#1, main_#t~mem114#1, main_#t~post115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1.base, main_#t~mem117#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~post92#1, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~post125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1.base, main_#t~mem129#1.offset, main_#t~mem132#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ite135#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem137#1, main_#t~mem138#1.base, main_#t~mem138#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~post5#1, main_#t~mem140#1, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;havoc main_~i~0#1;havoc main_~user~0#1.base, main_~user~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;main_~i~0#1 := 0; 1268#L750-3 [2021-11-20 06:09:37,618 INFO L793 eck$LassoCheckResult]: Loop: 1268#L750-3 assume !!(main_~i~0#1 < 10);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 1296#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 1297#L752-2 call write~int(main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, 4);call write~int(main_~i~0#1 * main_~i~0#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4); 1298#L757-124 havoc main_~_ha_hashv~0#1; 1295#L757-49 goto; 1283#L757-47 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; 1198#L757-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 1199#L757-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch19#1 := 11 == main_~_hj_k~0#1; 1254#L757-10 assume !main_#t~switch19#1; 1319#L757-12 main_#t~switch19#1 := main_#t~switch19#1 || 10 == main_~_hj_k~0#1; 1239#L757-13 assume !main_#t~switch19#1; 1196#L757-15 main_#t~switch19#1 := main_#t~switch19#1 || 9 == main_~_hj_k~0#1; 1197#L757-16 assume !main_#t~switch19#1; 1309#L757-18 main_#t~switch19#1 := main_#t~switch19#1 || 8 == main_~_hj_k~0#1; 1300#L757-19 assume !main_#t~switch19#1; 1227#L757-21 main_#t~switch19#1 := main_#t~switch19#1 || 7 == main_~_hj_k~0#1; 1228#L757-22 assume !main_#t~switch19#1; 1280#L757-24 main_#t~switch19#1 := main_#t~switch19#1 || 6 == main_~_hj_k~0#1; 1258#L757-25 assume !main_#t~switch19#1; 1259#L757-27 main_#t~switch19#1 := main_#t~switch19#1 || 5 == main_~_hj_k~0#1; 1318#L757-28 assume !main_#t~switch19#1; 1316#L757-30 main_#t~switch19#1 := main_#t~switch19#1 || 4 == main_~_hj_k~0#1; 1314#L757-31 assume !main_#t~switch19#1; 1315#L757-33 main_#t~switch19#1 := main_#t~switch19#1 || 3 == main_~_hj_k~0#1; 1328#L757-34 assume !main_#t~switch19#1; 1321#L757-36 main_#t~switch19#1 := main_#t~switch19#1 || 2 == main_~_hj_k~0#1; 1322#L757-37 assume main_#t~switch19#1;call main_#t~mem29#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~mem29#1 % 256);havoc main_#t~mem29#1; 1270#L757-39 main_#t~switch19#1 := main_#t~switch19#1 || 1 == main_~_hj_k~0#1; 1229#L757-40 assume main_#t~switch19#1;call main_#t~mem30#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~mem30#1 % 256;havoc main_#t~mem30#1; 1212#L757-42 havoc main_#t~switch19#1; 1213#L757-45 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); 1262#L757-44 goto; 1302#L757-46 goto; 1303#L757-48 goto; 1263#L757-122 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); 1264#L757-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem48#1.base, main_#t~mem48#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem48#1.base, main_#t~mem48#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem48#1.base, main_#t~mem48#1.offset; 1306#L757-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem49#1.base, main_#t~mem49#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem50#1.base, main_#t~mem50#1.offset := read~$Pointer$(main_#t~mem49#1.base, 16 + main_#t~mem49#1.offset, 4);call main_#t~mem51#1.base, main_#t~mem51#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_#t~mem51#1.base, 20 + main_#t~mem51#1.offset, 4);call write~$Pointer$(main_#t~mem50#1.base, main_#t~mem50#1.offset - main_#t~mem52#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem49#1.base, main_#t~mem49#1.offset;havoc main_#t~mem50#1.base, main_#t~mem50#1.offset;havoc main_#t~mem51#1.base, main_#t~mem51#1.offset;havoc main_#t~mem52#1;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 main_#t~mem54#1.base, main_#t~mem54#1.offset := read~$Pointer$(main_#t~mem53#1.base, 16 + main_#t~mem53#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem54#1.base, 8 + main_#t~mem54#1.offset, 4);havoc main_#t~mem53#1.base, main_#t~mem53#1.offset;havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;call main_#t~mem55#1.base, main_#t~mem55#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~mem55#1.base, 16 + main_#t~mem55#1.offset, 4);havoc main_#t~mem55#1.base, main_#t~mem55#1.offset; 1307#L757-66 goto; 1232#L757-120 havoc main_~_ha_bkt~0#1;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, 12 + main_#t~mem56#1.offset, 4);main_#t~post58#1 := main_#t~mem57#1;call write~int(1 + main_#t~post58#1, main_#t~mem56#1.base, 12 + main_#t~mem56#1.offset, 4);havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1;havoc main_#t~post58#1; 1281#L757-71 call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem60#1 := read~int(main_#t~mem59#1.base, 4 + main_#t~mem59#1.offset, 4);main_~_ha_bkt~0#1 := ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem60#1 - 1);havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;havoc main_#t~mem60#1; 1282#L757-70 goto; 1294#L757-118 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.base, main_#t~mem62#1.offset := read~$Pointer$(main_#t~mem61#1.base, main_#t~mem61#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem62#1.base, main_#t~mem62#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~mem61#1.base, main_#t~mem61#1.offset;havoc main_#t~mem62#1.base, main_#t~mem62#1.offset;call main_#t~mem63#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post64#1 := main_#t~mem63#1;call write~int(1 + main_#t~post64#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem63#1;havoc main_#t~post64#1;call main_#t~mem65#1.base, main_#t~mem65#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem65#1.base, main_#t~mem65#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem65#1.base, main_#t~mem65#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 1299#L757-73 assume main_#t~mem66#1.base != 0 || main_#t~mem66#1.offset != 0;havoc main_#t~mem66#1.base, main_#t~mem66#1.offset;call main_#t~mem67#1.base, main_#t~mem67#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~mem67#1.base, 12 + main_#t~mem67#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset; 1249#L757-75 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~mem69#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem68#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short72#1 := main_#t~mem69#1 % 4294967296 >= 10 * (1 + main_#t~mem68#1) % 4294967296; 1250#L757-76 assume main_#t~short72#1;call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem71#1 := read~int(main_#t~mem70#1.base, 36 + main_#t~mem70#1.offset, 4);main_#t~short72#1 := 0 == main_#t~mem71#1 % 4294967296; 1310#L757-78 assume !main_#t~short72#1;havoc main_#t~mem69#1;havoc main_#t~mem68#1;havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;havoc main_#t~mem71#1;havoc main_#t~short72#1; 1235#L757-117 goto; 1236#L757-119 goto; 1246#L757-121 goto; 1247#L757-123 goto; 1274#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1268#L750-3 [2021-11-20 06:09:37,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:09:37,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 4 times [2021-11-20 06:09:37,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:09:37,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323412811] [2021-11-20 06:09:37,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:09:37,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:09:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:09:37,629 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:09:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:09:37,643 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:09:37,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:09:37,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1860715095, now seen corresponding path program 1 times [2021-11-20 06:09:37,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:09:37,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667378478] [2021-11-20 06:09:37,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:09:37,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:09:37,655 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:09:37,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2110002696] [2021-11-20 06:09:37,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:09:37,656 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:09:37,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:09:37,685 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:09:37,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 06:09:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:37,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:09:37,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:09:37,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:09:37,953 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:09:37,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:09:37,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667378478] [2021-11-20 06:09:37,954 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:09:37,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110002696] [2021-11-20 06:09:37,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110002696] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:09:37,955 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:09:37,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:09:37,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754062395] [2021-11-20 06:09:37,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:09:37,956 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-20 06:09:37,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:09:37,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:09:37,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:09:37,957 INFO L87 Difference]: Start difference. First operand 135 states and 166 transitions. cyclomatic complexity: 34 Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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) [2021-11-20 06:09:38,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:09:38,081 INFO L93 Difference]: Finished difference Result 265 states and 324 transitions. [2021-11-20 06:09:38,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:09:38,082 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 265 states and 324 transitions. [2021-11-20 06:09:38,085 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 257 [2021-11-20 06:09:38,088 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 265 states to 265 states and 324 transitions. [2021-11-20 06:09:38,089 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 265 [2021-11-20 06:09:38,089 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 265 [2021-11-20 06:09:38,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 265 states and 324 transitions. [2021-11-20 06:09:38,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:09:38,091 INFO L681 BuchiCegarLoop]: Abstraction has 265 states and 324 transitions. [2021-11-20 06:09:38,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states and 324 transitions. [2021-11-20 06:09:38,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 158. [2021-11-20 06:09:38,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 154 states have (on average 1.2012987012987013) internal successors, (185), 153 states have internal predecessors, (185), 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) [2021-11-20 06:09:38,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 191 transitions. [2021-11-20 06:09:38,128 INFO L704 BuchiCegarLoop]: Abstraction has 158 states and 191 transitions. [2021-11-20 06:09:38,128 INFO L587 BuchiCegarLoop]: Abstraction has 158 states and 191 transitions. [2021-11-20 06:09:38,129 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-20 06:09:38,129 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 158 states and 191 transitions. [2021-11-20 06:09:38,130 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 151 [2021-11-20 06:09:38,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:09:38,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:09:38,132 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 06:09:38,133 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] [2021-11-20 06:09:38,133 INFO L791 eck$LassoCheckResult]: Stem: 1883#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; 1825#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~switch19#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#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_~_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~malloc31#1.base, main_#t~malloc31#1.offset, main_#t~mem32#1.base, main_#t~mem32#1.offset, main_#t~mem33#1.base, main_#t~mem33#1.offset, main_#t~memset~res34#1.base, main_#t~memset~res34#1.offset, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~mem39#1.base, main_#t~mem39#1.offset, main_#t~malloc40#1.base, main_#t~malloc40#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~mem45#1.base, main_#t~mem45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~memset~res47#1.base, main_#t~memset~res47#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~mem52#1, 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~post58#1, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1, main_#t~post64#1, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem69#1, main_#t~mem68#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1, main_#t~short72#1, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1, main_#t~malloc75#1.base, main_#t~malloc75#1.offset, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~memset~res80#1.base, main_#t~memset~res80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem85#1, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem89#1, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem88#1, main_#t~ite90#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem101#1, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~pre104#1, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~post109#1, main_#t~mem113#1, main_#t~mem111#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem112#1, main_#t~mem114#1, main_#t~post115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1.base, main_#t~mem117#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~post92#1, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~post125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1.base, main_#t~mem129#1.offset, main_#t~mem132#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ite135#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem137#1, main_#t~mem138#1.base, main_#t~mem138#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~post5#1, main_#t~mem140#1, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;havoc main_~i~0#1;havoc main_~user~0#1.base, main_~user~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;main_~i~0#1 := 0; 1826#L750-3 [2021-11-20 06:09:38,133 INFO L793 eck$LassoCheckResult]: Loop: 1826#L750-3 assume !!(main_~i~0#1 < 10);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 1854#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 1855#L752-2 call write~int(main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, 4);call write~int(main_~i~0#1 * main_~i~0#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4); 1857#L757-124 havoc main_~_ha_hashv~0#1; 1856#L757-49 goto; 1841#L757-47 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; 1842#L757-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 1908#L757-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch19#1 := 11 == main_~_hj_k~0#1; 1907#L757-10 assume !main_#t~switch19#1; 1906#L757-12 main_#t~switch19#1 := main_#t~switch19#1 || 10 == main_~_hj_k~0#1; 1905#L757-13 assume !main_#t~switch19#1; 1904#L757-15 main_#t~switch19#1 := main_#t~switch19#1 || 9 == main_~_hj_k~0#1; 1903#L757-16 assume !main_#t~switch19#1; 1902#L757-18 main_#t~switch19#1 := main_#t~switch19#1 || 8 == main_~_hj_k~0#1; 1901#L757-19 assume !main_#t~switch19#1; 1900#L757-21 main_#t~switch19#1 := main_#t~switch19#1 || 7 == main_~_hj_k~0#1; 1899#L757-22 assume !main_#t~switch19#1; 1898#L757-24 main_#t~switch19#1 := main_#t~switch19#1 || 6 == main_~_hj_k~0#1; 1897#L757-25 assume !main_#t~switch19#1; 1896#L757-27 main_#t~switch19#1 := main_#t~switch19#1 || 5 == main_~_hj_k~0#1; 1895#L757-28 assume !main_#t~switch19#1; 1894#L757-30 main_#t~switch19#1 := main_#t~switch19#1 || 4 == main_~_hj_k~0#1; 1893#L757-31 assume main_#t~switch19#1;call main_#t~mem27#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~mem27#1 % 256);havoc main_#t~mem27#1; 1763#L757-33 main_#t~switch19#1 := main_#t~switch19#1 || 3 == main_~_hj_k~0#1; 1764#L757-34 assume main_#t~switch19#1;call main_#t~mem28#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~mem28#1 % 256);havoc main_#t~mem28#1; 1837#L757-36 main_#t~switch19#1 := main_#t~switch19#1 || 2 == main_~_hj_k~0#1; 1886#L757-37 assume main_#t~switch19#1;call main_#t~mem29#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~mem29#1 % 256);havoc main_#t~mem29#1; 1879#L757-39 main_#t~switch19#1 := main_#t~switch19#1 || 1 == main_~_hj_k~0#1; 1880#L757-40 assume main_#t~switch19#1;call main_#t~mem30#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~mem30#1 % 256;havoc main_#t~mem30#1; 1770#L757-42 havoc main_#t~switch19#1; 1771#L757-45 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); 1820#L757-44 goto; 1861#L757-46 goto; 1862#L757-48 goto; 1821#L757-122 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 1822#L757-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem48#1.base, main_#t~mem48#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem48#1.base, main_#t~mem48#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem48#1.base, main_#t~mem48#1.offset; 1865#L757-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem49#1.base, main_#t~mem49#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem50#1.base, main_#t~mem50#1.offset := read~$Pointer$(main_#t~mem49#1.base, 16 + main_#t~mem49#1.offset, 4);call main_#t~mem51#1.base, main_#t~mem51#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_#t~mem51#1.base, 20 + main_#t~mem51#1.offset, 4);call write~$Pointer$(main_#t~mem50#1.base, main_#t~mem50#1.offset - main_#t~mem52#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem49#1.base, main_#t~mem49#1.offset;havoc main_#t~mem50#1.base, main_#t~mem50#1.offset;havoc main_#t~mem51#1.base, main_#t~mem51#1.offset;havoc main_#t~mem52#1;call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem54#1.base, main_#t~mem54#1.offset := read~$Pointer$(main_#t~mem53#1.base, 16 + main_#t~mem53#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem54#1.base, 8 + main_#t~mem54#1.offset, 4);havoc main_#t~mem53#1.base, main_#t~mem53#1.offset;havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;call main_#t~mem55#1.base, main_#t~mem55#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem55#1.base, 16 + main_#t~mem55#1.offset, 4);havoc main_#t~mem55#1.base, main_#t~mem55#1.offset; 1866#L757-66 goto; 1790#L757-120 havoc main_~_ha_bkt~0#1;call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1 := read~int(main_#t~mem56#1.base, 12 + main_#t~mem56#1.offset, 4);main_#t~post58#1 := main_#t~mem57#1;call write~int(1 + main_#t~post58#1, main_#t~mem56#1.base, 12 + main_#t~mem56#1.offset, 4);havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1;havoc main_#t~post58#1; 1839#L757-71 call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem60#1 := read~int(main_#t~mem59#1.base, 4 + main_#t~mem59#1.offset, 4);main_~_ha_bkt~0#1 := ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem60#1 - 1);havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;havoc main_#t~mem60#1; 1840#L757-70 goto; 1853#L757-118 call main_#t~mem61#1.base, main_#t~mem61#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem62#1.base, main_#t~mem62#1.offset := read~$Pointer$(main_#t~mem61#1.base, main_#t~mem61#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem62#1.base, main_#t~mem62#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem61#1.base, main_#t~mem61#1.offset;havoc main_#t~mem62#1.base, main_#t~mem62#1.offset;call main_#t~mem63#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post64#1 := main_#t~mem63#1;call write~int(1 + main_#t~post64#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem63#1;havoc main_#t~post64#1;call main_#t~mem65#1.base, main_#t~mem65#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem65#1.base, main_#t~mem65#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem65#1.base, main_#t~mem65#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 1858#L757-73 assume main_#t~mem66#1.base != 0 || main_#t~mem66#1.offset != 0;havoc main_#t~mem66#1.base, main_#t~mem66#1.offset;call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem67#1.base, 12 + main_#t~mem67#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset; 1807#L757-75 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem69#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem68#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short72#1 := main_#t~mem69#1 % 4294967296 >= 10 * (1 + main_#t~mem68#1) % 4294967296; 1808#L757-76 assume main_#t~short72#1;call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem71#1 := read~int(main_#t~mem70#1.base, 36 + main_#t~mem70#1.offset, 4);main_#t~short72#1 := 0 == main_#t~mem71#1 % 4294967296; 1869#L757-78 assume !main_#t~short72#1;havoc main_#t~mem69#1;havoc main_#t~mem68#1;havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;havoc main_#t~mem71#1;havoc main_#t~short72#1; 1792#L757-117 goto; 1793#L757-119 goto; 1804#L757-121 goto; 1805#L757-123 goto; 1832#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1826#L750-3 [2021-11-20 06:09:38,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:09:38,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 5 times [2021-11-20 06:09:38,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:09:38,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019661042] [2021-11-20 06:09:38,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:09:38,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:09:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:09:38,161 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:09:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:09:38,175 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:09:38,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:09:38,179 INFO L85 PathProgramCache]: Analyzing trace with hash -875179227, now seen corresponding path program 1 times [2021-11-20 06:09:38,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:09:38,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424649324] [2021-11-20 06:09:38,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:09:38,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:09:38,205 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:09:38,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1368177235] [2021-11-20 06:09:38,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:09:38,207 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:09:38,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:09:38,211 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:09:38,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6492c7fb-c81e-4e7b-a0ea-2d9d338bbf93/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process