./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8 --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 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 14:08:38,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:08:38,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:08:38,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:08:38,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:08:38,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:08:38,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:08:38,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:08:38,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:08:38,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:08:38,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:08:38,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:08:38,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:08:38,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:08:38,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:08:38,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:08:38,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:08:38,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:08:38,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:08:38,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:08:38,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:08:38,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:08:38,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:08:38,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:08:38,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:08:38,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:08:38,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:08:38,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:08:38,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:08:38,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:08:38,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:08:38,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:08:38,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:08:38,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:08:38,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:08:38,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:08:38,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:08:38,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:08:38,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:08:38,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:08:38,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:08:38,940 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 14:08:38,956 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:08:38,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:08:38,956 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:08:38,956 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:08:38,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:08:38,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:08:38,957 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:08:38,958 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 14:08:38,958 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 14:08:38,958 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 14:08:38,958 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 14:08:38,958 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 14:08:38,958 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 14:08:38,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:08:38,958 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:08:38,958 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:08:38,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:08:38,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:08:38,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:08:38,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 14:08:38,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 14:08:38,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 14:08:38,959 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:08:38,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:08:38,959 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 14:08:38,960 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:08:38,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 14:08:38,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:08:38,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:08:38,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:08:38,960 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:08:38,961 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 14:08:38,961 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_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b [2022-12-13 14:08:39,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:08:39,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:08:39,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:08:39,166 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:08:39,166 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:08:39,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2022-12-13 14:08:41,707 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:08:41,883 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:08:41,884 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2022-12-13 14:08:41,894 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/data/c939b89b9/45d0e01718284749ab2886cd5176caf1/FLAGf286e4f9e [2022-12-13 14:08:41,905 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/data/c939b89b9/45d0e01718284749ab2886cd5176caf1 [2022-12-13 14:08:41,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:08:41,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:08:41,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:08:41,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:08:41,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:08:41,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:08:41" (1/1) ... [2022-12-13 14:08:41,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@789c457f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:08:41, skipping insertion in model container [2022-12-13 14:08:41,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:08:41" (1/1) ... [2022-12-13 14:08:41,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:08:41,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:08:42,310 WARN L237 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_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[37019,37032] [2022-12-13 14:08:42,382 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 14:08:42,384 WARN L237 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_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[47352,47365] [2022-12-13 14:08:42,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:08:42,401 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:08:42,433 WARN L237 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_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[37019,37032] [2022-12-13 14:08:42,472 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 14:08:42,473 WARN L237 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_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[47352,47365] [2022-12-13 14:08:42,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:08:42,518 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:08:42,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:08:42 WrapperNode [2022-12-13 14:08:42,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:08:42,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:08:42,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:08:42,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:08:42,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:08:42" (1/1) ... [2022-12-13 14:08:42,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:08:42" (1/1) ... [2022-12-13 14:08:42,580 INFO L138 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 895 [2022-12-13 14:08:42,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:08:42,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:08:42,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:08:42,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:08:42,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:08:42" (1/1) ... [2022-12-13 14:08:42,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:08:42" (1/1) ... [2022-12-13 14:08:42,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:08:42" (1/1) ... [2022-12-13 14:08:42,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:08:42" (1/1) ... [2022-12-13 14:08:42,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:08:42" (1/1) ... [2022-12-13 14:08:42,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:08:42" (1/1) ... [2022-12-13 14:08:42,650 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:08:42" (1/1) ... [2022-12-13 14:08:42,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:08:42" (1/1) ... [2022-12-13 14:08:42,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:08:42,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:08:42,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:08:42,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:08:42,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:08:42" (1/1) ... [2022-12-13 14:08:42,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:08:42,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:08:42,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:08:42,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 14:08:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 14:08:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 14:08:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 14:08:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-13 14:08:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 14:08:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 14:08:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 14:08:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 14:08:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 14:08:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:08:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 14:08:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:08:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:08:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:08:42,880 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:08:42,882 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:08:42,885 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-13 14:08:43,848 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:08:43,853 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:08:43,853 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-12-13 14:08:43,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:08:43 BoogieIcfgContainer [2022-12-13 14:08:43,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:08:43,856 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 14:08:43,856 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 14:08:43,859 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 14:08:43,859 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:08:43,859 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 02:08:41" (1/3) ... [2022-12-13 14:08:43,860 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48e41113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 02:08:43, skipping insertion in model container [2022-12-13 14:08:43,860 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:08:43,860 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:08:42" (2/3) ... [2022-12-13 14:08:43,861 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48e41113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 02:08:43, skipping insertion in model container [2022-12-13 14:08:43,861 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:08:43,861 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:08:43" (3/3) ... [2022-12-13 14:08:43,862 INFO L332 chiAutomizerObserver]: Analyzing ICFG uthash_OAT_test2-1.i [2022-12-13 14:08:43,900 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 14:08:43,901 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 14:08:43,901 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 14:08:43,901 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 14:08:43,901 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 14:08:43,901 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 14:08:43,901 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 14:08:43,901 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 14:08:43,905 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 173 states, 168 states have (on average 1.6785714285714286) internal successors, (282), 168 states have internal predecessors, (282), 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) [2022-12-13 14:08:43,928 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 162 [2022-12-13 14:08:43,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:08:43,928 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:08:43,935 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 14:08:43,935 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-12-13 14:08:43,935 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 14:08:43,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 173 states, 168 states have (on average 1.6785714285714286) internal successors, (282), 168 states have internal predecessors, (282), 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) [2022-12-13 14:08:43,943 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 162 [2022-12-13 14:08:43,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:08:43,943 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:08:43,944 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 14:08:43,944 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-12-13 14:08:43,951 INFO L748 eck$LassoCheckResult]: Stem: 42#$Ultimate##0true 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; 52#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~switch24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc36#1.base, main_#t~malloc36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~memset~res39#1.base, main_#t~memset~res39#1.offset, main_#t~mem40#1.base, main_#t~mem40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~mem43#1.base, main_#t~mem43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~malloc45#1.base, main_#t~malloc45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~mem47#1.base, main_#t~mem47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1, main_#t~post63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1, main_#t~post69#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem74#1, main_#t~mem73#1, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1, main_#t~short77#1, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~malloc80#1.base, main_#t~malloc80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~memset~res85#1.base, main_#t~memset~res85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem90#1, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem94#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem105#1, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1, main_#t~pre108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1, main_#t~post113#1, main_#t~mem117#1, main_#t~mem115#1, main_#t~mem114#1.base, main_#t~mem114#1.offset, main_#t~mem116#1, main_#t~mem118#1, main_#t~post119#1, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~post96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1.base, main_#t~mem125#1.offset, main_#t~mem126#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~post129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem136#1, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1, main_#t~ite139#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem146#1, main_#t~mem145#1, main_#t~mem147#1, main_#t~mem148#1, main_#t~mem150#1, main_#t~mem149#1, main_#t~mem151#1, main_#t~mem152#1, main_#t~mem154#1, main_#t~mem153#1, main_#t~mem155#1, main_#t~mem156#1, main_#t~switch157#1, main_#t~mem158#1, main_#t~mem159#1, main_#t~mem160#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem163#1, main_#t~mem164#1, main_#t~mem165#1, main_#t~mem166#1, main_#t~mem167#1, main_#t~mem168#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem169#1.base, main_#t~mem169#1.offset, main_#t~mem170#1, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1, main_#t~mem180#1, main_#t~short181#1, main_#t~mem182#1.base, main_#t~mem182#1.offset, main_#t~ret183#1, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem188#1, main_#t~mem189#1, main_#t~mem143#1, main_#t~mem144#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 136#L814-4true [2022-12-13 14:08:43,952 INFO L750 eck$LassoCheckResult]: Loop: 136#L814-4true call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 102#L814-1true assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 87#L816true assume main_~user~0#1.base == 0 && main_~user~0#1.offset == 0;assume false; 88#L816-2true call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 128#L821-121true assume !true; 63#L814-3true call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 136#L814-4true [2022-12-13 14:08:43,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:08:43,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2022-12-13 14:08:43,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:08:43,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120666416] [2022-12-13 14:08:43,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:08:43,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:08:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:08:44,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:08:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:08:44,066 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:08:44,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:08:44,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1336134348, now seen corresponding path program 1 times [2022-12-13 14:08:44,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:08:44,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12793040] [2022-12-13 14:08:44,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:08:44,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:08:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:44,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:08:44,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12793040] [2022-12-13 14:08:44,094 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 14:08:44,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539130561] [2022-12-13 14:08:44,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:08:44,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:08:44,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:08:44,096 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:08:44,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 14:08:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:44,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 14:08:44,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:08:44,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:08:44,217 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:08:44,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539130561] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:08:44,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:08:44,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:08:44,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388312735] [2022-12-13 14:08:44,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:08:44,222 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 14:08:44,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:08:44,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 14:08:44,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 14:08:44,248 INFO L87 Difference]: Start difference. First operand has 173 states, 168 states have (on average 1.6785714285714286) internal successors, (282), 168 states have internal predecessors, (282), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:08:44,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:08:44,262 INFO L93 Difference]: Finished difference Result 173 states and 224 transitions. [2022-12-13 14:08:44,263 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 173 states and 224 transitions. [2022-12-13 14:08:44,266 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 162 [2022-12-13 14:08:44,270 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 173 states to 169 states and 220 transitions. [2022-12-13 14:08:44,271 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2022-12-13 14:08:44,272 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169 [2022-12-13 14:08:44,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 220 transitions. [2022-12-13 14:08:44,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:08:44,274 INFO L218 hiAutomatonCegarLoop]: Abstraction has 169 states and 220 transitions. [2022-12-13 14:08:44,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 220 transitions. [2022-12-13 14:08:44,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2022-12-13 14:08:44,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 165 states have (on average 1.2969696969696969) internal successors, (214), 164 states have internal predecessors, (214), 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) [2022-12-13 14:08:44,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 220 transitions. [2022-12-13 14:08:44,299 INFO L240 hiAutomatonCegarLoop]: Abstraction has 169 states and 220 transitions. [2022-12-13 14:08:44,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 14:08:44,302 INFO L428 stractBuchiCegarLoop]: Abstraction has 169 states and 220 transitions. [2022-12-13 14:08:44,303 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 14:08:44,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 169 states and 220 transitions. [2022-12-13 14:08:44,304 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 162 [2022-12-13 14:08:44,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:08:44,304 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:08:44,305 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 14:08:44,305 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:08:44,305 INFO L748 eck$LassoCheckResult]: Stem: 444#$Ultimate##0 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; 445#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~switch24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc36#1.base, main_#t~malloc36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~memset~res39#1.base, main_#t~memset~res39#1.offset, main_#t~mem40#1.base, main_#t~mem40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~mem43#1.base, main_#t~mem43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~malloc45#1.base, main_#t~malloc45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~mem47#1.base, main_#t~mem47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1, main_#t~post63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1, main_#t~post69#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem74#1, main_#t~mem73#1, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1, main_#t~short77#1, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~malloc80#1.base, main_#t~malloc80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~memset~res85#1.base, main_#t~memset~res85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem90#1, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem94#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem105#1, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1, main_#t~pre108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1, main_#t~post113#1, main_#t~mem117#1, main_#t~mem115#1, main_#t~mem114#1.base, main_#t~mem114#1.offset, main_#t~mem116#1, main_#t~mem118#1, main_#t~post119#1, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~post96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1.base, main_#t~mem125#1.offset, main_#t~mem126#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~post129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem136#1, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1, main_#t~ite139#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem146#1, main_#t~mem145#1, main_#t~mem147#1, main_#t~mem148#1, main_#t~mem150#1, main_#t~mem149#1, main_#t~mem151#1, main_#t~mem152#1, main_#t~mem154#1, main_#t~mem153#1, main_#t~mem155#1, main_#t~mem156#1, main_#t~switch157#1, main_#t~mem158#1, main_#t~mem159#1, main_#t~mem160#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem163#1, main_#t~mem164#1, main_#t~mem165#1, main_#t~mem166#1, main_#t~mem167#1, main_#t~mem168#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem169#1.base, main_#t~mem169#1.offset, main_#t~mem170#1, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1, main_#t~mem180#1, main_#t~short181#1, main_#t~mem182#1.base, main_#t~mem182#1.offset, main_#t~ret183#1, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem188#1, main_#t~mem189#1, main_#t~mem143#1, main_#t~mem144#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 459#L814-4 [2022-12-13 14:08:44,306 INFO L750 eck$LassoCheckResult]: Loop: 459#L814-4 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 512#L814-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 498#L816 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 499#L816-2 call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 502#L821-121 havoc main_~_ha_hashv~0#1; 464#L821-49 goto; 465#L821-47 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; 428#L821-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 429#L821-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch24#1 := 11 == main_~_hj_k~0#1; 418#L821-10 assume main_#t~switch24#1;call main_#t~mem25#1 := read~int(main_~_hj_key~0#1.base, 10 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 16777216 * (main_#t~mem25#1 % 256);havoc main_#t~mem25#1; 419#L821-12 main_#t~switch24#1 := main_#t~switch24#1 || 10 == main_~_hj_k~0#1; 457#L821-13 assume main_#t~switch24#1;call main_#t~mem26#1 := read~int(main_~_hj_key~0#1.base, 9 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 65536 * (main_#t~mem26#1 % 256);havoc main_#t~mem26#1; 458#L821-15 main_#t~switch24#1 := main_#t~switch24#1 || 9 == main_~_hj_k~0#1; 523#L821-16 assume main_#t~switch24#1;call main_#t~mem27#1 := read~int(main_~_hj_key~0#1.base, 8 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 256 * (main_#t~mem27#1 % 256);havoc main_#t~mem27#1; 530#L821-18 main_#t~switch24#1 := main_#t~switch24#1 || 8 == main_~_hj_k~0#1; 371#L821-19 assume main_#t~switch24#1;call main_#t~mem28#1 := read~int(main_~_hj_key~0#1.base, 7 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 16777216 * (main_#t~mem28#1 % 256);havoc main_#t~mem28#1; 372#L821-21 main_#t~switch24#1 := main_#t~switch24#1 || 7 == main_~_hj_k~0#1; 467#L821-22 assume !main_#t~switch24#1; 468#L821-24 main_#t~switch24#1 := main_#t~switch24#1 || 6 == main_~_hj_k~0#1; 510#L821-25 assume main_#t~switch24#1;call main_#t~mem30#1 := read~int(main_~_hj_key~0#1.base, 5 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 256 * (main_#t~mem30#1 % 256);havoc main_#t~mem30#1; 511#L821-27 main_#t~switch24#1 := main_#t~switch24#1 || 5 == main_~_hj_k~0#1; 434#L821-28 assume main_#t~switch24#1;call main_#t~mem31#1 := read~int(main_~_hj_key~0#1.base, 4 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + main_#t~mem31#1 % 256;havoc main_#t~mem31#1; 435#L821-30 main_#t~switch24#1 := main_#t~switch24#1 || 4 == main_~_hj_k~0#1; 507#L821-31 assume main_#t~switch24#1;call main_#t~mem32#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem32#1 % 256);havoc main_#t~mem32#1; 487#L821-33 main_#t~switch24#1 := main_#t~switch24#1 || 3 == main_~_hj_k~0#1; 461#L821-34 assume main_#t~switch24#1;call main_#t~mem33#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem33#1 % 256);havoc main_#t~mem33#1; 404#L821-36 main_#t~switch24#1 := main_#t~switch24#1 || 2 == main_~_hj_k~0#1; 405#L821-37 assume main_#t~switch24#1;call main_#t~mem34#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem34#1 % 256);havoc main_#t~mem34#1; 494#L821-39 main_#t~switch24#1 := main_#t~switch24#1 || 1 == main_~_hj_k~0#1; 398#L821-40 assume main_#t~switch24#1;call main_#t~mem35#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + main_#t~mem35#1 % 256;havoc main_#t~mem35#1; 399#L821-42 havoc main_#t~switch24#1; 436#L821-45 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 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 8192 else (if 0 == main_~_ha_hashv~0#1 / 8192 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 8192 then 0 else ~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 := (if 0 == main_~_hj_j~0#1 then 256 * main_~_hj_i~0#1 else (if 0 == 256 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 256 * main_~_hj_i~0#1 then 0 else ~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 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 8192 else (if 0 == main_~_hj_j~0#1 / 8192 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 8192 then 0 else ~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 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 4096 else (if 0 == main_~_ha_hashv~0#1 / 4096 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 4096 then 0 else ~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 := (if 0 == main_~_hj_j~0#1 then 65536 * main_~_hj_i~0#1 else (if 0 == 65536 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 65536 * main_~_hj_i~0#1 then 0 else ~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 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 32 else (if 0 == main_~_hj_j~0#1 / 32 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 32 then 0 else ~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 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 8 else (if 0 == main_~_ha_hashv~0#1 / 8 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 8 then 0 else ~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 := (if 0 == main_~_hj_j~0#1 then 1024 * main_~_hj_i~0#1 else (if 0 == 1024 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 1024 * main_~_hj_i~0#1 then 0 else ~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 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 32768 else (if 0 == main_~_hj_j~0#1 / 32768 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 32768 then 0 else ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32768)))); 373#L821-44 goto; 374#L821-46 goto; 466#L821-48 goto; 454#L821-119 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); 375#L821-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem53#1.base, main_#t~mem53#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem53#1.base, main_#t~mem53#1.offset; 376#L821-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem54#1.base, main_#t~mem54#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem55#1.base, main_#t~mem55#1.offset := read~$Pointer$(main_#t~mem54#1.base, 16 + main_#t~mem54#1.offset, 4);call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1 := read~int(main_#t~mem56#1.base, 20 + main_#t~mem56#1.offset, 4);call write~$Pointer$(main_#t~mem55#1.base, main_#t~mem55#1.offset - main_#t~mem57#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;havoc main_#t~mem55#1.base, main_#t~mem55#1.offset;havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1;call main_#t~mem58#1.base, main_#t~mem58#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_#t~mem58#1.base, 16 + main_#t~mem58#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem59#1.base, 8 + main_#t~mem59#1.offset, 4);havoc main_#t~mem58#1.base, main_#t~mem58#1.offset;havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;call main_#t~mem60#1.base, main_#t~mem60#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem60#1.base, 16 + main_#t~mem60#1.offset, 4);havoc main_#t~mem60#1.base, main_#t~mem60#1.offset; 392#L821-66 goto; 393#L821-117 havoc main_~_ha_bkt~0#1;call main_#t~mem61#1.base, main_#t~mem61#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem62#1 := read~int(main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);main_#t~post63#1 := main_#t~mem62#1;call write~int(1 + main_#t~post63#1, main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);havoc main_#t~mem61#1.base, main_#t~mem61#1.offset;havoc main_#t~mem62#1;havoc main_#t~post63#1; 390#L821-71 call main_#t~mem64#1.base, main_#t~mem64#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem65#1 := read~int(main_#t~mem64#1.base, 4 + main_#t~mem64#1.offset, 4);main_~_ha_bkt~0#1 := (if 0 == main_~_ha_hashv~0#1 || 0 == main_#t~mem65#1 - 1 then 0 else (if main_~_ha_hashv~0#1 == main_#t~mem65#1 - 1 then main_~_ha_hashv~0#1 else ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem65#1 - 1)));havoc main_#t~mem64#1.base, main_#t~mem64#1.offset;havoc main_#t~mem65#1; 391#L821-70 goto; 517#L821-115 call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem67#1.base, main_#t~mem67#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset;havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;call main_#t~mem68#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post69#1 := main_#t~mem68#1;call write~int(1 + main_#t~post69#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem68#1;havoc main_#t~post69#1;call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem70#1.base, main_#t~mem70#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 406#L821-73 assume main_#t~mem71#1.base != 0 || main_#t~mem71#1.offset != 0;havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem72#1.base, 12 + main_#t~mem72#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset; 407#L821-75 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem74#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem73#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short77#1 := main_#t~mem74#1 % 4294967296 >= 10 * (1 + main_#t~mem73#1) % 4294967296; 500#L821-76 assume main_#t~short77#1;call main_#t~mem75#1.base, main_#t~mem75#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem76#1 := read~int(main_#t~mem75#1.base, 36 + main_#t~mem75#1.offset, 4);main_#t~short77#1 := 0 == main_#t~mem76#1 % 4294967296; 501#L821-78 assume !main_#t~short77#1;havoc main_#t~mem74#1;havoc main_#t~mem73#1;havoc main_#t~mem75#1.base, main_#t~mem75#1.offset;havoc main_#t~mem76#1;havoc main_#t~short77#1; 470#L821-114 goto; 381#L821-116 goto; 382#L821-118 goto; 504#L821-120 goto; 472#L814-3 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 459#L814-4 [2022-12-13 14:08:44,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:08:44,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2022-12-13 14:08:44,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:08:44,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78664382] [2022-12-13 14:08:44,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:08:44,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:08:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:08:44,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:08:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:08:44,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:08:44,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:08:44,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1777661299, now seen corresponding path program 1 times [2022-12-13 14:08:44,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:08:44,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854880958] [2022-12-13 14:08:44,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:08:44,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:08:44,430 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 14:08:44,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [280520928] [2022-12-13 14:08:44,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:08:44,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:08:44,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:08:44,453 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:08:44,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 14:08:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:44,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 1850 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 14:08:44,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:08:45,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:08:45,005 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:08:45,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:08:45,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854880958] [2022-12-13 14:08:45,006 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 14:08:45,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280520928] [2022-12-13 14:08:45,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280520928] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:08:45,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:08:45,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:08:45,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329566449] [2022-12-13 14:08:45,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:08:45,007 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 14:08:45,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:08:45,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:08:45,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:08:45,007 INFO L87 Difference]: Start difference. First operand 169 states and 220 transitions. cyclomatic complexity: 54 Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:08:45,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:08:45,102 INFO L93 Difference]: Finished difference Result 190 states and 241 transitions. [2022-12-13 14:08:45,103 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 190 states and 241 transitions. [2022-12-13 14:08:45,104 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 183 [2022-12-13 14:08:45,105 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 190 states to 190 states and 241 transitions. [2022-12-13 14:08:45,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 190 [2022-12-13 14:08:45,105 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 190 [2022-12-13 14:08:45,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 190 states and 241 transitions. [2022-12-13 14:08:45,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:08:45,106 INFO L218 hiAutomatonCegarLoop]: Abstraction has 190 states and 241 transitions. [2022-12-13 14:08:45,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states and 241 transitions. [2022-12-13 14:08:45,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 189. [2022-12-13 14:08:45,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 185 states have (on average 1.2648648648648648) internal successors, (234), 184 states have internal predecessors, (234), 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) [2022-12-13 14:08:45,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 240 transitions. [2022-12-13 14:08:45,111 INFO L240 hiAutomatonCegarLoop]: Abstraction has 189 states and 240 transitions. [2022-12-13 14:08:45,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:08:45,112 INFO L428 stractBuchiCegarLoop]: Abstraction has 189 states and 240 transitions. [2022-12-13 14:08:45,112 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 14:08:45,113 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 189 states and 240 transitions. [2022-12-13 14:08:45,113 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 182 [2022-12-13 14:08:45,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:08:45,113 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:08:45,114 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 14:08:45,114 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:08:45,114 INFO L748 eck$LassoCheckResult]: Stem: 963#$Ultimate##0 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; 964#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~switch24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc36#1.base, main_#t~malloc36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~memset~res39#1.base, main_#t~memset~res39#1.offset, main_#t~mem40#1.base, main_#t~mem40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~mem43#1.base, main_#t~mem43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~malloc45#1.base, main_#t~malloc45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~mem47#1.base, main_#t~mem47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1, main_#t~post63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1, main_#t~post69#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem74#1, main_#t~mem73#1, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1, main_#t~short77#1, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~malloc80#1.base, main_#t~malloc80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~memset~res85#1.base, main_#t~memset~res85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem90#1, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem94#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem105#1, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1, main_#t~pre108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1, main_#t~post113#1, main_#t~mem117#1, main_#t~mem115#1, main_#t~mem114#1.base, main_#t~mem114#1.offset, main_#t~mem116#1, main_#t~mem118#1, main_#t~post119#1, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~post96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1.base, main_#t~mem125#1.offset, main_#t~mem126#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~post129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem136#1, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1, main_#t~ite139#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem146#1, main_#t~mem145#1, main_#t~mem147#1, main_#t~mem148#1, main_#t~mem150#1, main_#t~mem149#1, main_#t~mem151#1, main_#t~mem152#1, main_#t~mem154#1, main_#t~mem153#1, main_#t~mem155#1, main_#t~mem156#1, main_#t~switch157#1, main_#t~mem158#1, main_#t~mem159#1, main_#t~mem160#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem163#1, main_#t~mem164#1, main_#t~mem165#1, main_#t~mem166#1, main_#t~mem167#1, main_#t~mem168#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem169#1.base, main_#t~mem169#1.offset, main_#t~mem170#1, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1, main_#t~mem180#1, main_#t~short181#1, main_#t~mem182#1.base, main_#t~mem182#1.offset, main_#t~ret183#1, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem188#1, main_#t~mem189#1, main_#t~mem143#1, main_#t~mem144#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 978#L814-4 [2022-12-13 14:08:45,114 INFO L750 eck$LassoCheckResult]: Loop: 978#L814-4 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 1033#L814-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 1019#L816 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 1020#L816-2 call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 1023#L821-121 havoc main_~_ha_hashv~0#1; 984#L821-49 goto; 985#L821-47 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; 947#L821-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 948#L821-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch24#1 := 11 == main_~_hj_k~0#1; 936#L821-10 assume main_#t~switch24#1;call main_#t~mem25#1 := read~int(main_~_hj_key~0#1.base, 10 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 16777216 * (main_#t~mem25#1 % 256);havoc main_#t~mem25#1; 937#L821-12 main_#t~switch24#1 := main_#t~switch24#1 || 10 == main_~_hj_k~0#1; 976#L821-13 assume main_#t~switch24#1;call main_#t~mem26#1 := read~int(main_~_hj_key~0#1.base, 9 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 65536 * (main_#t~mem26#1 % 256);havoc main_#t~mem26#1; 977#L821-15 main_#t~switch24#1 := main_#t~switch24#1 || 9 == main_~_hj_k~0#1; 1044#L821-16 assume main_#t~switch24#1;call main_#t~mem27#1 := read~int(main_~_hj_key~0#1.base, 8 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 256 * (main_#t~mem27#1 % 256);havoc main_#t~mem27#1; 1052#L821-18 main_#t~switch24#1 := main_#t~switch24#1 || 8 == main_~_hj_k~0#1; 889#L821-19 assume main_#t~switch24#1;call main_#t~mem28#1 := read~int(main_~_hj_key~0#1.base, 7 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 16777216 * (main_#t~mem28#1 % 256);havoc main_#t~mem28#1; 890#L821-21 main_#t~switch24#1 := main_#t~switch24#1 || 7 == main_~_hj_k~0#1; 987#L821-22 assume main_#t~switch24#1;call main_#t~mem29#1 := read~int(main_~_hj_key~0#1.base, 6 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 65536 * (main_#t~mem29#1 % 256);havoc main_#t~mem29#1; 988#L821-24 main_#t~switch24#1 := main_#t~switch24#1 || 6 == main_~_hj_k~0#1; 1031#L821-25 assume main_#t~switch24#1;call main_#t~mem30#1 := read~int(main_~_hj_key~0#1.base, 5 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 256 * (main_#t~mem30#1 % 256);havoc main_#t~mem30#1; 1032#L821-27 main_#t~switch24#1 := main_#t~switch24#1 || 5 == main_~_hj_k~0#1; 953#L821-28 assume main_#t~switch24#1;call main_#t~mem31#1 := read~int(main_~_hj_key~0#1.base, 4 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + main_#t~mem31#1 % 256;havoc main_#t~mem31#1; 954#L821-30 main_#t~switch24#1 := main_#t~switch24#1 || 4 == main_~_hj_k~0#1; 1028#L821-31 assume main_#t~switch24#1;call main_#t~mem32#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem32#1 % 256);havoc main_#t~mem32#1; 1007#L821-33 main_#t~switch24#1 := main_#t~switch24#1 || 3 == main_~_hj_k~0#1; 980#L821-34 assume main_#t~switch24#1;call main_#t~mem33#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem33#1 % 256);havoc main_#t~mem33#1; 981#L821-36 main_#t~switch24#1 := main_#t~switch24#1 || 2 == main_~_hj_k~0#1; 1014#L821-37 assume main_#t~switch24#1;call main_#t~mem34#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem34#1 % 256);havoc main_#t~mem34#1; 1015#L821-39 main_#t~switch24#1 := main_#t~switch24#1 || 1 == main_~_hj_k~0#1; 916#L821-40 assume main_#t~switch24#1;call main_#t~mem35#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + main_#t~mem35#1 % 256;havoc main_#t~mem35#1; 917#L821-42 havoc main_#t~switch24#1; 955#L821-45 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 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 8192 else (if 0 == main_~_ha_hashv~0#1 / 8192 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 8192 then 0 else ~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 := (if 0 == main_~_hj_j~0#1 then 256 * main_~_hj_i~0#1 else (if 0 == 256 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 256 * main_~_hj_i~0#1 then 0 else ~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 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 8192 else (if 0 == main_~_hj_j~0#1 / 8192 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 8192 then 0 else ~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 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 4096 else (if 0 == main_~_ha_hashv~0#1 / 4096 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 4096 then 0 else ~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 := (if 0 == main_~_hj_j~0#1 then 65536 * main_~_hj_i~0#1 else (if 0 == 65536 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 65536 * main_~_hj_i~0#1 then 0 else ~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 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 32 else (if 0 == main_~_hj_j~0#1 / 32 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 32 then 0 else ~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 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 8 else (if 0 == main_~_ha_hashv~0#1 / 8 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 8 then 0 else ~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 := (if 0 == main_~_hj_j~0#1 then 1024 * main_~_hj_i~0#1 else (if 0 == 1024 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 1024 * main_~_hj_i~0#1 then 0 else ~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 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 32768 else (if 0 == main_~_hj_j~0#1 / 32768 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 32768 then 0 else ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32768)))); 891#L821-44 goto; 892#L821-46 goto; 986#L821-48 goto; 973#L821-119 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); 893#L821-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem53#1.base, main_#t~mem53#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem53#1.base, main_#t~mem53#1.offset; 894#L821-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem54#1.base, main_#t~mem54#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem55#1.base, main_#t~mem55#1.offset := read~$Pointer$(main_#t~mem54#1.base, 16 + main_#t~mem54#1.offset, 4);call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1 := read~int(main_#t~mem56#1.base, 20 + main_#t~mem56#1.offset, 4);call write~$Pointer$(main_#t~mem55#1.base, main_#t~mem55#1.offset - main_#t~mem57#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;havoc main_#t~mem55#1.base, main_#t~mem55#1.offset;havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1;call main_#t~mem58#1.base, main_#t~mem58#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_#t~mem58#1.base, 16 + main_#t~mem58#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem59#1.base, 8 + main_#t~mem59#1.offset, 4);havoc main_#t~mem58#1.base, main_#t~mem58#1.offset;havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;call main_#t~mem60#1.base, main_#t~mem60#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem60#1.base, 16 + main_#t~mem60#1.offset, 4);havoc main_#t~mem60#1.base, main_#t~mem60#1.offset; 910#L821-66 goto; 911#L821-117 havoc main_~_ha_bkt~0#1;call main_#t~mem61#1.base, main_#t~mem61#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem62#1 := read~int(main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);main_#t~post63#1 := main_#t~mem62#1;call write~int(1 + main_#t~post63#1, main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);havoc main_#t~mem61#1.base, main_#t~mem61#1.offset;havoc main_#t~mem62#1;havoc main_#t~post63#1; 908#L821-71 call main_#t~mem64#1.base, main_#t~mem64#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem65#1 := read~int(main_#t~mem64#1.base, 4 + main_#t~mem64#1.offset, 4);main_~_ha_bkt~0#1 := (if 0 == main_~_ha_hashv~0#1 || 0 == main_#t~mem65#1 - 1 then 0 else (if main_~_ha_hashv~0#1 == main_#t~mem65#1 - 1 then main_~_ha_hashv~0#1 else ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem65#1 - 1)));havoc main_#t~mem64#1.base, main_#t~mem64#1.offset;havoc main_#t~mem65#1; 909#L821-70 goto; 1038#L821-115 call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem67#1.base, main_#t~mem67#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset;havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;call main_#t~mem68#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post69#1 := main_#t~mem68#1;call write~int(1 + main_#t~post69#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem68#1;havoc main_#t~post69#1;call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem70#1.base, main_#t~mem70#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 924#L821-73 assume main_#t~mem71#1.base != 0 || main_#t~mem71#1.offset != 0;havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem72#1.base, 12 + main_#t~mem72#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset; 925#L821-75 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem74#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem73#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short77#1 := main_#t~mem74#1 % 4294967296 >= 10 * (1 + main_#t~mem73#1) % 4294967296; 1021#L821-76 assume main_#t~short77#1;call main_#t~mem75#1.base, main_#t~mem75#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem76#1 := read~int(main_#t~mem75#1.base, 36 + main_#t~mem75#1.offset, 4);main_#t~short77#1 := 0 == main_#t~mem76#1 % 4294967296; 1022#L821-78 assume !main_#t~short77#1;havoc main_#t~mem74#1;havoc main_#t~mem73#1;havoc main_#t~mem75#1.base, main_#t~mem75#1.offset;havoc main_#t~mem76#1;havoc main_#t~short77#1; 990#L821-114 goto; 899#L821-116 goto; 900#L821-118 goto; 1025#L821-120 goto; 992#L814-3 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 978#L814-4 [2022-12-13 14:08:45,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:08:45,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 3 times [2022-12-13 14:08:45,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:08:45,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366489512] [2022-12-13 14:08:45,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:08:45,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:08:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:08:45,129 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:08:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:08:45,142 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:08:45,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:08:45,143 INFO L85 PathProgramCache]: Analyzing trace with hash -933655797, now seen corresponding path program 1 times [2022-12-13 14:08:45,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:08:45,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902720499] [2022-12-13 14:08:45,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:08:45,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:08:45,228 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 14:08:45,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [622544338] [2022-12-13 14:08:45,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:08:45,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:08:45,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:08:45,230 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:08:45,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 14:08:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:45,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 1856 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 14:08:45,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:08:45,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:08:45,788 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:08:45,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:08:45,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902720499] [2022-12-13 14:08:45,789 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 14:08:45,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622544338] [2022-12-13 14:08:45,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622544338] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:08:45,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:08:45,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:08:45,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128962916] [2022-12-13 14:08:45,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:08:45,790 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 14:08:45,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:08:45,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:08:45,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:08:45,790 INFO L87 Difference]: Start difference. First operand 189 states and 240 transitions. cyclomatic complexity: 54 Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:08:45,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:08:45,863 INFO L93 Difference]: Finished difference Result 259 states and 328 transitions. [2022-12-13 14:08:45,863 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 259 states and 328 transitions. [2022-12-13 14:08:45,865 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 244 [2022-12-13 14:08:45,866 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 259 states to 259 states and 328 transitions. [2022-12-13 14:08:45,866 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 259 [2022-12-13 14:08:45,866 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 259 [2022-12-13 14:08:45,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 259 states and 328 transitions. [2022-12-13 14:08:45,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:08:45,867 INFO L218 hiAutomatonCegarLoop]: Abstraction has 259 states and 328 transitions. [2022-12-13 14:08:45,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states and 328 transitions. [2022-12-13 14:08:45,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 175. [2022-12-13 14:08:45,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 171 states have (on average 1.2456140350877194) internal successors, (213), 170 states have internal predecessors, (213), 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) [2022-12-13 14:08:45,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 219 transitions. [2022-12-13 14:08:45,873 INFO L240 hiAutomatonCegarLoop]: Abstraction has 175 states and 219 transitions. [2022-12-13 14:08:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:08:45,874 INFO L428 stractBuchiCegarLoop]: Abstraction has 175 states and 219 transitions. [2022-12-13 14:08:45,874 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 14:08:45,874 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 175 states and 219 transitions. [2022-12-13 14:08:45,875 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 168 [2022-12-13 14:08:45,875 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:08:45,875 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:08:45,875 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 14:08:45,876 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:08:45,876 INFO L748 eck$LassoCheckResult]: Stem: 1570#$Ultimate##0 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; 1571#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~switch24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc36#1.base, main_#t~malloc36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~memset~res39#1.base, main_#t~memset~res39#1.offset, main_#t~mem40#1.base, main_#t~mem40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~mem43#1.base, main_#t~mem43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~malloc45#1.base, main_#t~malloc45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~mem47#1.base, main_#t~mem47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1, main_#t~post63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1, main_#t~post69#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem74#1, main_#t~mem73#1, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1, main_#t~short77#1, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~malloc80#1.base, main_#t~malloc80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~memset~res85#1.base, main_#t~memset~res85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem90#1, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem94#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem105#1, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1, main_#t~pre108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1, main_#t~post113#1, main_#t~mem117#1, main_#t~mem115#1, main_#t~mem114#1.base, main_#t~mem114#1.offset, main_#t~mem116#1, main_#t~mem118#1, main_#t~post119#1, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~post96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1.base, main_#t~mem125#1.offset, main_#t~mem126#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~post129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem136#1, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1, main_#t~ite139#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem146#1, main_#t~mem145#1, main_#t~mem147#1, main_#t~mem148#1, main_#t~mem150#1, main_#t~mem149#1, main_#t~mem151#1, main_#t~mem152#1, main_#t~mem154#1, main_#t~mem153#1, main_#t~mem155#1, main_#t~mem156#1, main_#t~switch157#1, main_#t~mem158#1, main_#t~mem159#1, main_#t~mem160#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem163#1, main_#t~mem164#1, main_#t~mem165#1, main_#t~mem166#1, main_#t~mem167#1, main_#t~mem168#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem169#1.base, main_#t~mem169#1.offset, main_#t~mem170#1, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1, main_#t~mem180#1, main_#t~short181#1, main_#t~mem182#1.base, main_#t~mem182#1.offset, main_#t~ret183#1, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem188#1, main_#t~mem189#1, main_#t~mem143#1, main_#t~mem144#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 1587#L814-4 [2022-12-13 14:08:45,876 INFO L750 eck$LassoCheckResult]: Loop: 1587#L814-4 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 1641#L814-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 1626#L816 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 1627#L816-2 call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 1628#L821-121 havoc main_~_ha_hashv~0#1; 1592#L821-49 goto; 1593#L821-47 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; 1556#L821-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 1557#L821-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch24#1 := 11 == main_~_hj_k~0#1; 1546#L821-10 assume !main_#t~switch24#1; 1547#L821-12 main_#t~switch24#1 := main_#t~switch24#1 || 10 == main_~_hj_k~0#1; 1585#L821-13 assume !main_#t~switch24#1; 1586#L821-15 main_#t~switch24#1 := main_#t~switch24#1 || 9 == main_~_hj_k~0#1; 1652#L821-16 assume !main_#t~switch24#1; 1659#L821-18 main_#t~switch24#1 := main_#t~switch24#1 || 8 == main_~_hj_k~0#1; 1497#L821-19 assume !main_#t~switch24#1; 1498#L821-21 main_#t~switch24#1 := main_#t~switch24#1 || 7 == main_~_hj_k~0#1; 1595#L821-22 assume !main_#t~switch24#1; 1596#L821-24 main_#t~switch24#1 := main_#t~switch24#1 || 6 == main_~_hj_k~0#1; 1639#L821-25 assume !main_#t~switch24#1; 1640#L821-27 main_#t~switch24#1 := main_#t~switch24#1 || 5 == main_~_hj_k~0#1; 1562#L821-28 assume !main_#t~switch24#1; 1563#L821-30 main_#t~switch24#1 := main_#t~switch24#1 || 4 == main_~_hj_k~0#1; 1635#L821-31 assume !main_#t~switch24#1; 1636#L821-33 main_#t~switch24#1 := main_#t~switch24#1 || 3 == main_~_hj_k~0#1; 1667#L821-34 assume !main_#t~switch24#1; 1668#L821-36 main_#t~switch24#1 := main_#t~switch24#1 || 2 == main_~_hj_k~0#1; 1671#L821-37 assume !main_#t~switch24#1; 1670#L821-39 main_#t~switch24#1 := main_#t~switch24#1 || 1 == main_~_hj_k~0#1; 1669#L821-40 assume main_#t~switch24#1;call main_#t~mem35#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + main_#t~mem35#1 % 256;havoc main_#t~mem35#1; 1527#L821-42 havoc main_#t~switch24#1; 1564#L821-45 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 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 8192 else (if 0 == main_~_ha_hashv~0#1 / 8192 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 8192 then 0 else ~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 := (if 0 == main_~_hj_j~0#1 then 256 * main_~_hj_i~0#1 else (if 0 == 256 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 256 * main_~_hj_i~0#1 then 0 else ~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 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 8192 else (if 0 == main_~_hj_j~0#1 / 8192 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 8192 then 0 else ~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 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 4096 else (if 0 == main_~_ha_hashv~0#1 / 4096 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 4096 then 0 else ~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 := (if 0 == main_~_hj_j~0#1 then 65536 * main_~_hj_i~0#1 else (if 0 == 65536 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 65536 * main_~_hj_i~0#1 then 0 else ~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 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 32 else (if 0 == main_~_hj_j~0#1 / 32 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 32 then 0 else ~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 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 8 else (if 0 == main_~_ha_hashv~0#1 / 8 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 8 then 0 else ~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 := (if 0 == main_~_hj_j~0#1 then 1024 * main_~_hj_i~0#1 else (if 0 == 1024 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 1024 * main_~_hj_i~0#1 then 0 else ~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 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 32768 else (if 0 == main_~_hj_j~0#1 / 32768 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 32768 then 0 else ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32768)))); 1501#L821-44 goto; 1502#L821-46 goto; 1594#L821-48 goto; 1584#L821-119 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); 1503#L821-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem53#1.base, main_#t~mem53#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem53#1.base, main_#t~mem53#1.offset; 1504#L821-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem54#1.base, main_#t~mem54#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem55#1.base, main_#t~mem55#1.offset := read~$Pointer$(main_#t~mem54#1.base, 16 + main_#t~mem54#1.offset, 4);call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1 := read~int(main_#t~mem56#1.base, 20 + main_#t~mem56#1.offset, 4);call write~$Pointer$(main_#t~mem55#1.base, main_#t~mem55#1.offset - main_#t~mem57#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;havoc main_#t~mem55#1.base, main_#t~mem55#1.offset;havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1;call main_#t~mem58#1.base, main_#t~mem58#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_#t~mem58#1.base, 16 + main_#t~mem58#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem59#1.base, 8 + main_#t~mem59#1.offset, 4);havoc main_#t~mem58#1.base, main_#t~mem58#1.offset;havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;call main_#t~mem60#1.base, main_#t~mem60#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem60#1.base, 16 + main_#t~mem60#1.offset, 4);havoc main_#t~mem60#1.base, main_#t~mem60#1.offset; 1520#L821-66 goto; 1523#L821-117 havoc main_~_ha_bkt~0#1;call main_#t~mem61#1.base, main_#t~mem61#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem62#1 := read~int(main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);main_#t~post63#1 := main_#t~mem62#1;call write~int(1 + main_#t~post63#1, main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);havoc main_#t~mem61#1.base, main_#t~mem61#1.offset;havoc main_#t~mem62#1;havoc main_#t~post63#1; 1518#L821-71 call main_#t~mem64#1.base, main_#t~mem64#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem65#1 := read~int(main_#t~mem64#1.base, 4 + main_#t~mem64#1.offset, 4);main_~_ha_bkt~0#1 := (if 0 == main_~_ha_hashv~0#1 || 0 == main_#t~mem65#1 - 1 then 0 else (if main_~_ha_hashv~0#1 == main_#t~mem65#1 - 1 then main_~_ha_hashv~0#1 else ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem65#1 - 1)));havoc main_#t~mem64#1.base, main_#t~mem64#1.offset;havoc main_#t~mem65#1; 1519#L821-70 goto; 1646#L821-115 call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem67#1.base, main_#t~mem67#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset;havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;call main_#t~mem68#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post69#1 := main_#t~mem68#1;call write~int(1 + main_#t~post69#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem68#1;havoc main_#t~post69#1;call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem70#1.base, main_#t~mem70#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 1534#L821-73 assume main_#t~mem71#1.base != 0 || main_#t~mem71#1.offset != 0;havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem72#1.base, 12 + main_#t~mem72#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset; 1535#L821-75 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem74#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem73#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short77#1 := main_#t~mem74#1 % 4294967296 >= 10 * (1 + main_#t~mem73#1) % 4294967296; 1629#L821-76 assume main_#t~short77#1;call main_#t~mem75#1.base, main_#t~mem75#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem76#1 := read~int(main_#t~mem75#1.base, 36 + main_#t~mem75#1.offset, 4);main_#t~short77#1 := 0 == main_#t~mem76#1 % 4294967296; 1630#L821-78 assume !main_#t~short77#1;havoc main_#t~mem74#1;havoc main_#t~mem73#1;havoc main_#t~mem75#1.base, main_#t~mem75#1.offset;havoc main_#t~mem76#1;havoc main_#t~short77#1; 1599#L821-114 goto; 1509#L821-116 goto; 1510#L821-118 goto; 1634#L821-120 goto; 1601#L814-3 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 1587#L814-4 [2022-12-13 14:08:45,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:08:45,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 4 times [2022-12-13 14:08:45,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:08:45,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116962224] [2022-12-13 14:08:45,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:08:45,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:08:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:08:45,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:08:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:08:45,912 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:08:45,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:08:45,912 INFO L85 PathProgramCache]: Analyzing trace with hash 641949855, now seen corresponding path program 1 times [2022-12-13 14:08:45,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:08:45,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48214352] [2022-12-13 14:08:45,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:08:45,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:08:45,989 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 14:08:45,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [342902968] [2022-12-13 14:08:45,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:08:45,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:08:45,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:08:45,991 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:08:45,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 14:08:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:46,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 1796 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 14:08:46,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:08:46,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:08:46,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:08:46,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:08:46,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48214352] [2022-12-13 14:08:46,659 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 14:08:46,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342902968] [2022-12-13 14:08:46,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342902968] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:08:46,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:08:46,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 14:08:46,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199675925] [2022-12-13 14:08:46,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:08:46,660 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 14:08:46,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:08:46,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:08:46,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:08:46,661 INFO L87 Difference]: Start difference. First operand 175 states and 219 transitions. cyclomatic complexity: 47 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:08:46,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:08:46,747 INFO L93 Difference]: Finished difference Result 345 states and 430 transitions. [2022-12-13 14:08:46,747 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 345 states and 430 transitions. [2022-12-13 14:08:46,751 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 337 [2022-12-13 14:08:46,755 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 345 states to 345 states and 430 transitions. [2022-12-13 14:08:46,755 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 345 [2022-12-13 14:08:46,756 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 345 [2022-12-13 14:08:46,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 345 states and 430 transitions. [2022-12-13 14:08:46,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:08:46,757 INFO L218 hiAutomatonCegarLoop]: Abstraction has 345 states and 430 transitions. [2022-12-13 14:08:46,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states and 430 transitions. [2022-12-13 14:08:46,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 198. [2022-12-13 14:08:46,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 194 states have (on average 1.2268041237113403) internal successors, (238), 193 states have internal predecessors, (238), 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) [2022-12-13 14:08:46,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 244 transitions. [2022-12-13 14:08:46,764 INFO L240 hiAutomatonCegarLoop]: Abstraction has 198 states and 244 transitions. [2022-12-13 14:08:46,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:08:46,764 INFO L428 stractBuchiCegarLoop]: Abstraction has 198 states and 244 transitions. [2022-12-13 14:08:46,764 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-12-13 14:08:46,764 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 198 states and 244 transitions. [2022-12-13 14:08:46,765 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 191 [2022-12-13 14:08:46,765 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:08:46,765 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:08:46,766 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 14:08:46,766 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:08:46,766 INFO L748 eck$LassoCheckResult]: Stem: 2253#$Ultimate##0 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; 2254#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~switch24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc36#1.base, main_#t~malloc36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~memset~res39#1.base, main_#t~memset~res39#1.offset, main_#t~mem40#1.base, main_#t~mem40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~mem43#1.base, main_#t~mem43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~malloc45#1.base, main_#t~malloc45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~mem47#1.base, main_#t~mem47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1, main_#t~post63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1, main_#t~post69#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem74#1, main_#t~mem73#1, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1, main_#t~short77#1, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~malloc80#1.base, main_#t~malloc80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~memset~res85#1.base, main_#t~memset~res85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem90#1, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem94#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem105#1, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1, main_#t~pre108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1, main_#t~post113#1, main_#t~mem117#1, main_#t~mem115#1, main_#t~mem114#1.base, main_#t~mem114#1.offset, main_#t~mem116#1, main_#t~mem118#1, main_#t~post119#1, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~post96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1.base, main_#t~mem125#1.offset, main_#t~mem126#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~post129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem136#1, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1, main_#t~ite139#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem146#1, main_#t~mem145#1, main_#t~mem147#1, main_#t~mem148#1, main_#t~mem150#1, main_#t~mem149#1, main_#t~mem151#1, main_#t~mem152#1, main_#t~mem154#1, main_#t~mem153#1, main_#t~mem155#1, main_#t~mem156#1, main_#t~switch157#1, main_#t~mem158#1, main_#t~mem159#1, main_#t~mem160#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem163#1, main_#t~mem164#1, main_#t~mem165#1, main_#t~mem166#1, main_#t~mem167#1, main_#t~mem168#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem169#1.base, main_#t~mem169#1.offset, main_#t~mem170#1, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1, main_#t~mem180#1, main_#t~short181#1, main_#t~mem182#1.base, main_#t~mem182#1.offset, main_#t~ret183#1, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem188#1, main_#t~mem189#1, main_#t~mem143#1, main_#t~mem144#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 2268#L814-4 [2022-12-13 14:08:46,766 INFO L750 eck$LassoCheckResult]: Loop: 2268#L814-4 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 2325#L814-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 2308#L816 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 2309#L816-2 call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 2310#L821-121 havoc main_~_ha_hashv~0#1; 2274#L821-49 goto; 2275#L821-47 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; 2237#L821-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 2238#L821-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch24#1 := 11 == main_~_hj_k~0#1; 2227#L821-10 assume !main_#t~switch24#1; 2228#L821-12 main_#t~switch24#1 := main_#t~switch24#1 || 10 == main_~_hj_k~0#1; 2266#L821-13 assume !main_#t~switch24#1; 2267#L821-15 main_#t~switch24#1 := main_#t~switch24#1 || 9 == main_~_hj_k~0#1; 2356#L821-16 assume !main_#t~switch24#1; 2357#L821-18 main_#t~switch24#1 := main_#t~switch24#1 || 8 == main_~_hj_k~0#1; 2180#L821-19 assume !main_#t~switch24#1; 2181#L821-21 main_#t~switch24#1 := main_#t~switch24#1 || 7 == main_~_hj_k~0#1; 2277#L821-22 assume !main_#t~switch24#1; 2278#L821-24 main_#t~switch24#1 := main_#t~switch24#1 || 6 == main_~_hj_k~0#1; 2323#L821-25 assume !main_#t~switch24#1; 2324#L821-27 main_#t~switch24#1 := main_#t~switch24#1 || 5 == main_~_hj_k~0#1; 2243#L821-28 assume !main_#t~switch24#1; 2244#L821-30 main_#t~switch24#1 := main_#t~switch24#1 || 4 == main_~_hj_k~0#1; 2319#L821-31 assume !main_#t~switch24#1; 2320#L821-33 main_#t~switch24#1 := main_#t~switch24#1 || 3 == main_~_hj_k~0#1; 2374#L821-34 assume !main_#t~switch24#1; 2213#L821-36 main_#t~switch24#1 := main_#t~switch24#1 || 2 == main_~_hj_k~0#1; 2214#L821-37 assume !main_#t~switch24#1; 2304#L821-39 main_#t~switch24#1 := main_#t~switch24#1 || 1 == main_~_hj_k~0#1; 2207#L821-40 assume !main_#t~switch24#1; 2208#L821-42 havoc main_#t~switch24#1; 2245#L821-45 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 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 8192 else (if 0 == main_~_ha_hashv~0#1 / 8192 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 8192 then 0 else ~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 := (if 0 == main_~_hj_j~0#1 then 256 * main_~_hj_i~0#1 else (if 0 == 256 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 256 * main_~_hj_i~0#1 then 0 else ~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 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 8192 else (if 0 == main_~_hj_j~0#1 / 8192 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 8192 then 0 else ~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 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 4096 else (if 0 == main_~_ha_hashv~0#1 / 4096 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 4096 then 0 else ~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 := (if 0 == main_~_hj_j~0#1 then 65536 * main_~_hj_i~0#1 else (if 0 == 65536 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 65536 * main_~_hj_i~0#1 then 0 else ~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 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 32 else (if 0 == main_~_hj_j~0#1 / 32 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 32 then 0 else ~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 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 8 else (if 0 == main_~_ha_hashv~0#1 / 8 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 8 then 0 else ~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 := (if 0 == main_~_hj_j~0#1 then 1024 * main_~_hj_i~0#1 else (if 0 == 1024 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 1024 * main_~_hj_i~0#1 then 0 else ~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 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 32768 else (if 0 == main_~_hj_j~0#1 / 32768 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 32768 then 0 else ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32768)))); 2182#L821-44 goto; 2183#L821-46 goto; 2276#L821-48 goto; 2265#L821-119 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); 2184#L821-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem53#1.base, main_#t~mem53#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem53#1.base, main_#t~mem53#1.offset; 2185#L821-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem54#1.base, main_#t~mem54#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem55#1.base, main_#t~mem55#1.offset := read~$Pointer$(main_#t~mem54#1.base, 16 + main_#t~mem54#1.offset, 4);call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1 := read~int(main_#t~mem56#1.base, 20 + main_#t~mem56#1.offset, 4);call write~$Pointer$(main_#t~mem55#1.base, main_#t~mem55#1.offset - main_#t~mem57#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;havoc main_#t~mem55#1.base, main_#t~mem55#1.offset;havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1;call main_#t~mem58#1.base, main_#t~mem58#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_#t~mem58#1.base, 16 + main_#t~mem58#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem59#1.base, 8 + main_#t~mem59#1.offset, 4);havoc main_#t~mem58#1.base, main_#t~mem58#1.offset;havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;call main_#t~mem60#1.base, main_#t~mem60#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem60#1.base, 16 + main_#t~mem60#1.offset, 4);havoc main_#t~mem60#1.base, main_#t~mem60#1.offset; 2201#L821-66 goto; 2206#L821-117 havoc main_~_ha_bkt~0#1;call main_#t~mem61#1.base, main_#t~mem61#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem62#1 := read~int(main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);main_#t~post63#1 := main_#t~mem62#1;call write~int(1 + main_#t~post63#1, main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);havoc main_#t~mem61#1.base, main_#t~mem61#1.offset;havoc main_#t~mem62#1;havoc main_#t~post63#1; 2199#L821-71 call main_#t~mem64#1.base, main_#t~mem64#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem65#1 := read~int(main_#t~mem64#1.base, 4 + main_#t~mem64#1.offset, 4);main_~_ha_bkt~0#1 := (if 0 == main_~_ha_hashv~0#1 || 0 == main_#t~mem65#1 - 1 then 0 else (if main_~_ha_hashv~0#1 == main_#t~mem65#1 - 1 then main_~_ha_hashv~0#1 else ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem65#1 - 1)));havoc main_#t~mem64#1.base, main_#t~mem64#1.offset;havoc main_#t~mem65#1; 2200#L821-70 goto; 2330#L821-115 call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem67#1.base, main_#t~mem67#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset;havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;call main_#t~mem68#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post69#1 := main_#t~mem68#1;call write~int(1 + main_#t~post69#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem68#1;havoc main_#t~post69#1;call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem70#1.base, main_#t~mem70#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 2215#L821-73 assume main_#t~mem71#1.base != 0 || main_#t~mem71#1.offset != 0;havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem72#1.base, 12 + main_#t~mem72#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset; 2216#L821-75 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem74#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem73#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short77#1 := main_#t~mem74#1 % 4294967296 >= 10 * (1 + main_#t~mem73#1) % 4294967296; 2311#L821-76 assume main_#t~short77#1;call main_#t~mem75#1.base, main_#t~mem75#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem76#1 := read~int(main_#t~mem75#1.base, 36 + main_#t~mem75#1.offset, 4);main_#t~short77#1 := 0 == main_#t~mem76#1 % 4294967296; 2312#L821-78 assume !main_#t~short77#1;havoc main_#t~mem74#1;havoc main_#t~mem73#1;havoc main_#t~mem75#1.base, main_#t~mem75#1.offset;havoc main_#t~mem76#1;havoc main_#t~short77#1; 2281#L821-114 goto; 2190#L821-116 goto; 2191#L821-118 goto; 2314#L821-120 goto; 2282#L814-3 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 2268#L814-4 [2022-12-13 14:08:46,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:08:46,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 5 times [2022-12-13 14:08:46,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:08:46,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522922518] [2022-12-13 14:08:46,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:08:46,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:08:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:08:46,781 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:08:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:08:46,800 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:08:46,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:08:46,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1163488479, now seen corresponding path program 1 times [2022-12-13 14:08:46,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:08:46,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212678945] [2022-12-13 14:08:46,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:08:46,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:08:46,881 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 14:08:46,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [30047176] [2022-12-13 14:08:46,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:08:46,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:08:46,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:08:46,882 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:08:46,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 14:08:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:47,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 1790 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 14:08:47,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:08:47,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:08:47,397 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:08:47,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:08:47,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212678945] [2022-12-13 14:08:47,398 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 14:08:47,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30047176] [2022-12-13 14:08:47,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30047176] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:08:47,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:08:47,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:08:47,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99816825] [2022-12-13 14:08:47,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:08:47,399 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 14:08:47,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:08:47,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:08:47,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:08:47,400 INFO L87 Difference]: Start difference. First operand 198 states and 244 transitions. cyclomatic complexity: 49 Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:08:47,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:08:47,432 INFO L93 Difference]: Finished difference Result 249 states and 313 transitions. [2022-12-13 14:08:47,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 249 states and 313 transitions. [2022-12-13 14:08:47,433 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 234 [2022-12-13 14:08:47,434 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 249 states to 249 states and 313 transitions. [2022-12-13 14:08:47,434 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 249 [2022-12-13 14:08:47,434 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 249 [2022-12-13 14:08:47,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 249 states and 313 transitions. [2022-12-13 14:08:47,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:08:47,435 INFO L218 hiAutomatonCegarLoop]: Abstraction has 249 states and 313 transitions. [2022-12-13 14:08:47,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states and 313 transitions. [2022-12-13 14:08:47,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 166. [2022-12-13 14:08:47,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 162 states have (on average 1.228395061728395) internal successors, (199), 161 states have internal predecessors, (199), 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) [2022-12-13 14:08:47,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 205 transitions. [2022-12-13 14:08:47,442 INFO L240 hiAutomatonCegarLoop]: Abstraction has 166 states and 205 transitions. [2022-12-13 14:08:47,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:08:47,443 INFO L428 stractBuchiCegarLoop]: Abstraction has 166 states and 205 transitions. [2022-12-13 14:08:47,443 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-12-13 14:08:47,443 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 166 states and 205 transitions. [2022-12-13 14:08:47,444 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 159 [2022-12-13 14:08:47,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:08:47,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:08:47,445 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 14:08:47,445 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:08:47,445 INFO L748 eck$LassoCheckResult]: Stem: 2861#$Ultimate##0 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; 2862#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~switch24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc36#1.base, main_#t~malloc36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~memset~res39#1.base, main_#t~memset~res39#1.offset, main_#t~mem40#1.base, main_#t~mem40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~mem43#1.base, main_#t~mem43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~malloc45#1.base, main_#t~malloc45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~mem47#1.base, main_#t~mem47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1, main_#t~post63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1, main_#t~post69#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem74#1, main_#t~mem73#1, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1, main_#t~short77#1, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~malloc80#1.base, main_#t~malloc80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~memset~res85#1.base, main_#t~memset~res85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem90#1, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem94#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem105#1, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1, main_#t~pre108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1, main_#t~post113#1, main_#t~mem117#1, main_#t~mem115#1, main_#t~mem114#1.base, main_#t~mem114#1.offset, main_#t~mem116#1, main_#t~mem118#1, main_#t~post119#1, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~post96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1.base, main_#t~mem125#1.offset, main_#t~mem126#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~post129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem136#1, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1, main_#t~ite139#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem146#1, main_#t~mem145#1, main_#t~mem147#1, main_#t~mem148#1, main_#t~mem150#1, main_#t~mem149#1, main_#t~mem151#1, main_#t~mem152#1, main_#t~mem154#1, main_#t~mem153#1, main_#t~mem155#1, main_#t~mem156#1, main_#t~switch157#1, main_#t~mem158#1, main_#t~mem159#1, main_#t~mem160#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem163#1, main_#t~mem164#1, main_#t~mem165#1, main_#t~mem166#1, main_#t~mem167#1, main_#t~mem168#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem169#1.base, main_#t~mem169#1.offset, main_#t~mem170#1, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1, main_#t~mem180#1, main_#t~short181#1, main_#t~mem182#1.base, main_#t~mem182#1.offset, main_#t~ret183#1, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem188#1, main_#t~mem189#1, main_#t~mem143#1, main_#t~mem144#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 2874#L814-4 [2022-12-13 14:08:47,445 INFO L750 eck$LassoCheckResult]: Loop: 2874#L814-4 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 2927#L814-1 assume !!(main_#t~mem7#1 < 10);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 2913#L816 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 2914#L816-2 call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 2917#L821-121 havoc main_~_ha_hashv~0#1; 2879#L821-49 goto; 2880#L821-47 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; 2846#L821-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 2847#L821-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch24#1 := 11 == main_~_hj_k~0#1; 2836#L821-10 assume !main_#t~switch24#1; 2837#L821-12 main_#t~switch24#1 := main_#t~switch24#1 || 10 == main_~_hj_k~0#1; 2872#L821-13 assume !main_#t~switch24#1; 2873#L821-15 main_#t~switch24#1 := main_#t~switch24#1 || 9 == main_~_hj_k~0#1; 2938#L821-16 assume !main_#t~switch24#1; 2945#L821-18 main_#t~switch24#1 := main_#t~switch24#1 || 8 == main_~_hj_k~0#1; 2787#L821-19 assume !main_#t~switch24#1; 2788#L821-21 main_#t~switch24#1 := main_#t~switch24#1 || 7 == main_~_hj_k~0#1; 2882#L821-22 assume !main_#t~switch24#1; 2883#L821-24 main_#t~switch24#1 := main_#t~switch24#1 || 6 == main_~_hj_k~0#1; 2925#L821-25 assume !main_#t~switch24#1; 2926#L821-27 main_#t~switch24#1 := main_#t~switch24#1 || 5 == main_~_hj_k~0#1; 2851#L821-28 assume !main_#t~switch24#1; 2852#L821-30 main_#t~switch24#1 := main_#t~switch24#1 || 4 == main_~_hj_k~0#1; 2922#L821-31 assume main_#t~switch24#1;call main_#t~mem32#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem32#1 % 256);havoc main_#t~mem32#1; 2902#L821-33 main_#t~switch24#1 := main_#t~switch24#1 || 3 == main_~_hj_k~0#1; 2876#L821-34 assume main_#t~switch24#1;call main_#t~mem33#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem33#1 % 256);havoc main_#t~mem33#1; 2822#L821-36 main_#t~switch24#1 := main_#t~switch24#1 || 2 == main_~_hj_k~0#1; 2823#L821-37 assume main_#t~switch24#1;call main_#t~mem34#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem34#1 % 256);havoc main_#t~mem34#1; 2909#L821-39 main_#t~switch24#1 := main_#t~switch24#1 || 1 == main_~_hj_k~0#1; 2816#L821-40 assume main_#t~switch24#1;call main_#t~mem35#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + main_#t~mem35#1 % 256;havoc main_#t~mem35#1; 2817#L821-42 havoc main_#t~switch24#1; 2853#L821-45 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 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 8192 else (if 0 == main_~_ha_hashv~0#1 / 8192 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 8192 then 0 else ~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 := (if 0 == main_~_hj_j~0#1 then 256 * main_~_hj_i~0#1 else (if 0 == 256 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 256 * main_~_hj_i~0#1 then 0 else ~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 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 8192 else (if 0 == main_~_hj_j~0#1 / 8192 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 8192 then 0 else ~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 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 4096 else (if 0 == main_~_ha_hashv~0#1 / 4096 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 4096 then 0 else ~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 := (if 0 == main_~_hj_j~0#1 then 65536 * main_~_hj_i~0#1 else (if 0 == 65536 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 65536 * main_~_hj_i~0#1 then 0 else ~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 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 32 else (if 0 == main_~_hj_j~0#1 / 32 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 32 then 0 else ~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 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 8 else (if 0 == main_~_ha_hashv~0#1 / 8 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 8 then 0 else ~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 := (if 0 == main_~_hj_j~0#1 then 1024 * main_~_hj_i~0#1 else (if 0 == 1024 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 1024 * main_~_hj_i~0#1 then 0 else ~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 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 32768 else (if 0 == main_~_hj_j~0#1 / 32768 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 32768 then 0 else ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32768)))); 2791#L821-44 goto; 2792#L821-46 goto; 2881#L821-48 goto; 2871#L821-119 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); 2793#L821-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem53#1.base, main_#t~mem53#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem53#1.base, main_#t~mem53#1.offset; 2794#L821-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem54#1.base, main_#t~mem54#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem55#1.base, main_#t~mem55#1.offset := read~$Pointer$(main_#t~mem54#1.base, 16 + main_#t~mem54#1.offset, 4);call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1 := read~int(main_#t~mem56#1.base, 20 + main_#t~mem56#1.offset, 4);call write~$Pointer$(main_#t~mem55#1.base, main_#t~mem55#1.offset - main_#t~mem57#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;havoc main_#t~mem55#1.base, main_#t~mem55#1.offset;havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1;call main_#t~mem58#1.base, main_#t~mem58#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_#t~mem58#1.base, 16 + main_#t~mem58#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem59#1.base, 8 + main_#t~mem59#1.offset, 4);havoc main_#t~mem58#1.base, main_#t~mem58#1.offset;havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;call main_#t~mem60#1.base, main_#t~mem60#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem60#1.base, 16 + main_#t~mem60#1.offset, 4);havoc main_#t~mem60#1.base, main_#t~mem60#1.offset; 2810#L821-66 goto; 2813#L821-117 havoc main_~_ha_bkt~0#1;call main_#t~mem61#1.base, main_#t~mem61#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem62#1 := read~int(main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);main_#t~post63#1 := main_#t~mem62#1;call write~int(1 + main_#t~post63#1, main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);havoc main_#t~mem61#1.base, main_#t~mem61#1.offset;havoc main_#t~mem62#1;havoc main_#t~post63#1; 2808#L821-71 call main_#t~mem64#1.base, main_#t~mem64#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem65#1 := read~int(main_#t~mem64#1.base, 4 + main_#t~mem64#1.offset, 4);main_~_ha_bkt~0#1 := (if 0 == main_~_ha_hashv~0#1 || 0 == main_#t~mem65#1 - 1 then 0 else (if main_~_ha_hashv~0#1 == main_#t~mem65#1 - 1 then main_~_ha_hashv~0#1 else ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem65#1 - 1)));havoc main_#t~mem64#1.base, main_#t~mem64#1.offset;havoc main_#t~mem65#1; 2809#L821-70 goto; 2932#L821-115 call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem67#1.base, main_#t~mem67#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset;havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;call main_#t~mem68#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post69#1 := main_#t~mem68#1;call write~int(1 + main_#t~post69#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem68#1;havoc main_#t~post69#1;call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem70#1.base, main_#t~mem70#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 2824#L821-73 assume main_#t~mem71#1.base != 0 || main_#t~mem71#1.offset != 0;havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem72#1.base, 12 + main_#t~mem72#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset; 2825#L821-75 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem74#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem73#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short77#1 := main_#t~mem74#1 % 4294967296 >= 10 * (1 + main_#t~mem73#1) % 4294967296; 2915#L821-76 assume main_#t~short77#1;call main_#t~mem75#1.base, main_#t~mem75#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem76#1 := read~int(main_#t~mem75#1.base, 36 + main_#t~mem75#1.offset, 4);main_#t~short77#1 := 0 == main_#t~mem76#1 % 4294967296; 2916#L821-78 assume !main_#t~short77#1;havoc main_#t~mem74#1;havoc main_#t~mem73#1;havoc main_#t~mem75#1.base, main_#t~mem75#1.offset;havoc main_#t~mem76#1;havoc main_#t~short77#1; 2886#L821-114 goto; 2799#L821-116 goto; 2800#L821-118 goto; 2921#L821-120 goto; 2888#L814-3 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 2874#L814-4 [2022-12-13 14:08:47,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:08:47,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 6 times [2022-12-13 14:08:47,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:08:47,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674200379] [2022-12-13 14:08:47,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:08:47,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:08:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:08:47,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:08:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:08:47,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:08:47,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:08:47,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1486937113, now seen corresponding path program 1 times [2022-12-13 14:08:47,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:08:47,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832494159] [2022-12-13 14:08:47,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:08:47,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:08:47,558 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 14:08:47,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1571286107] [2022-12-13 14:08:47,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:08:47,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:08:47,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:08:47,560 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:08:47,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7797c36-8cb0-46a4-9f9e-d0990cb2746f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process