./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/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_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/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_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/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 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7 --- 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 18:23:35,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:23:35,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:23:35,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:23:35,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:23:35,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:23:35,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:23:35,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:23:35,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:23:35,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:23:35,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:23:35,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:23:35,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:23:35,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:23:35,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:23:35,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:23:35,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:23:35,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:23:35,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:23:35,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:23:35,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:23:35,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:23:35,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:23:35,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:23:35,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:23:35,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:23:35,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:23:35,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:23:35,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:23:35,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:23:35,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:23:35,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:23:35,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:23:35,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:23:35,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:23:35,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:23:35,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:23:35,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:23:35,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:23:35,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:23:35,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:23:35,439 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 18:23:35,453 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:23:35,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:23:35,453 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:23:35,453 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:23:35,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:23:35,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:23:35,454 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:23:35,454 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 18:23:35,455 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 18:23:35,455 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 18:23:35,455 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 18:23:35,455 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 18:23:35,455 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 18:23:35,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:23:35,455 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:23:35,455 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:23:35,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:23:35,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:23:35,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:23:35,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 18:23:35,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 18:23:35,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 18:23:35,456 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:23:35,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:23:35,456 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 18:23:35,457 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:23:35,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 18:23:35,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:23:35,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:23:35,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:23:35,457 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:23:35,458 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 18:23:35,458 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_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7 [2022-12-13 18:23:35,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:23:35,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:23:35,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:23:35,683 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:23:35,683 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:23:35,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i [2022-12-13 18:23:38,338 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:23:38,653 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:23:38,654 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i [2022-12-13 18:23:38,668 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/bin/uautomizer-uyxdKDjOR8/data/6d21cdded/846d42709f1e477fb7439733559d952f/FLAG5b24616ed [2022-12-13 18:23:38,679 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/bin/uautomizer-uyxdKDjOR8/data/6d21cdded/846d42709f1e477fb7439733559d952f [2022-12-13 18:23:38,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:23:38,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:23:38,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:23:38,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:23:38,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:23:38,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:23:38" (1/1) ... [2022-12-13 18:23:38,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be77a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:38, skipping insertion in model container [2022-12-13 18:23:38,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:23:38" (1/1) ... [2022-12-13 18:23:38,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:23:38,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:23:38,966 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_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[33021,33034] [2022-12-13 18:23:39,041 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 18:23:39,049 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_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44124,44137] [2022-12-13 18:23:39,050 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_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44245,44258] [2022-12-13 18:23:39,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:23:39,064 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:23:39,085 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_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[33021,33034] [2022-12-13 18:23:39,120 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 18:23:39,126 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_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44124,44137] [2022-12-13 18:23:39,127 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_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44245,44258] [2022-12-13 18:23:39,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:23:39,153 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:23:39,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:39 WrapperNode [2022-12-13 18:23:39,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:23:39,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:23:39,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:23:39,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:23:39,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:39" (1/1) ... [2022-12-13 18:23:39,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:39" (1/1) ... [2022-12-13 18:23:39,220 INFO L138 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 992 [2022-12-13 18:23:39,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:23:39,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:23:39,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:23:39,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:23:39,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:39" (1/1) ... [2022-12-13 18:23:39,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:39" (1/1) ... [2022-12-13 18:23:39,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:39" (1/1) ... [2022-12-13 18:23:39,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:39" (1/1) ... [2022-12-13 18:23:39,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:39" (1/1) ... [2022-12-13 18:23:39,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:39" (1/1) ... [2022-12-13 18:23:39,292 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:39" (1/1) ... [2022-12-13 18:23:39,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:39" (1/1) ... [2022-12-13 18:23:39,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:23:39,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:23:39,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:23:39,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:23:39,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:39" (1/1) ... [2022-12-13 18:23:39,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:23:39,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:23:39,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:23:39,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 18:23:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 18:23:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 18:23:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 18:23:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 18:23:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 18:23:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:23:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 18:23:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:23:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-13 18:23:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 18:23:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:23:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:23:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:23:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:23:39,531 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:23:39,533 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:23:39,537 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-13 18:23:40,697 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:23:40,703 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:23:40,703 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-12-13 18:23:40,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:23:40 BoogieIcfgContainer [2022-12-13 18:23:40,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:23:40,705 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 18:23:40,705 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 18:23:40,708 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 18:23:40,708 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:23:40,709 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 06:23:38" (1/3) ... [2022-12-13 18:23:40,709 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4cdea58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:23:40, skipping insertion in model container [2022-12-13 18:23:40,709 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:23:40,709 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:39" (2/3) ... [2022-12-13 18:23:40,710 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4cdea58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:23:40, skipping insertion in model container [2022-12-13 18:23:40,710 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:23:40,710 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:23:40" (3/3) ... [2022-12-13 18:23:40,711 INFO L332 chiAutomizerObserver]: Analyzing ICFG uthash_SAX_test7-1.i [2022-12-13 18:23:40,756 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 18:23:40,756 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 18:23:40,756 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 18:23:40,756 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 18:23:40,756 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 18:23:40,756 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 18:23:40,756 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 18:23:40,756 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 18:23:40,760 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 181 states, 176 states have (on average 1.6931818181818181) internal successors, (298), 176 states have internal predecessors, (298), 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 18:23:40,782 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 169 [2022-12-13 18:23:40,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:23:40,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:23:40,789 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 18:23:40,789 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-12-13 18:23:40,789 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 18:23:40,790 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 181 states, 176 states have (on average 1.6931818181818181) internal successors, (298), 176 states have internal predecessors, (298), 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 18:23:40,797 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 169 [2022-12-13 18:23:40,797 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:23:40,797 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:23:40,797 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 18:23:40,798 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-12-13 18:23:40,805 INFO L748 eck$LassoCheckResult]: Stem: 45#$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); 59#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem19#1, main_#t~mem18#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~switch22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#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~malloc34#1.base, main_#t~malloc34#1.offset, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#1.offset, main_#t~memset~res37#1.base, main_#t~memset~res37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~mem39#1.base, main_#t~mem39#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~malloc43#1.base, main_#t~malloc43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~mem45#1.base, main_#t~mem45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~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~memset~res50#1.base, main_#t~memset~res50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~mem52#1.base, main_#t~mem52#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, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1, main_#t~post61#1, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1, main_#t~post67#1, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem72#1, main_#t~mem71#1, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1, main_#t~short75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1, main_#t~malloc78#1.base, main_#t~malloc78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~memset~res83#1.base, main_#t~memset~res83#1.offset, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem88#1, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem92#1, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem103#1, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1, main_#t~pre106#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1, main_#t~post111#1, main_#t~mem115#1, main_#t~mem113#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem114#1, main_#t~mem116#1, main_#t~post117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~post94#1, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~mem125#1.base, main_#t~mem125#1.offset, main_#t~mem126#1, main_#t~post127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1.base, main_#t~mem129#1.offset, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem134#1, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem133#1, main_#t~ite137#1, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1, main_#t~mem140#1.base, main_#t~mem140#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~mem3#1, main_#t~post4#1, main_#t~mem5#1, main_#t~mem145#1, main_#t~mem144#1, main_#t~mem146#1, main_#t~mem147#1, main_#t~mem149#1, main_#t~mem148#1, main_#t~mem150#1, main_#t~mem151#1, main_#t~mem153#1, main_#t~mem152#1, main_#t~mem154#1, main_#t~mem155#1, main_#t~switch156#1, main_#t~mem157#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_~_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~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem169#1, main_#t~mem170#1.base, main_#t~mem170#1.offset, 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, main_#t~mem178#1, main_#t~mem179#1, main_#t~short180#1, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~ret182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, main_#t~short189#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1.base, main_#t~mem191#1.offset, main_#t~mem192#1.base, main_#t~mem192#1.offset, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1.base, main_#t~mem197#1.offset, main_#t~mem198#1, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1.base, main_#t~mem207#1.offset, main_#t~mem208#1, main_#t~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem212#1, main_#t~mem210#1.base, main_#t~mem210#1.offset, main_#t~mem211#1, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1, main_#t~post216#1, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1.base, main_#t~mem219#1.offset, main_#t~mem220#1.base, main_#t~mem220#1.offset, main_#t~mem221#1.base, main_#t~mem221#1.offset, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1, main_#t~post227#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem141#1, main_#t~post142#1, main_#t~mem143#1, main_#t~mem228#1.base, main_#t~mem228#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 139#L715-4true [2022-12-13 18:23:40,805 INFO L750 eck$LassoCheckResult]: Loop: 139#L715-4true call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 117#L715-1true assume !!(main_#t~mem5#1 < 1000);havoc main_#t~mem5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 33#L717true assume main_~user~0#1.base == 0 && main_~user~0#1.offset == 0;assume false; 142#L717-2true call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem8#1 * main_#t~mem9#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~mem9#1; 152#L722-121true assume !true; 75#L715-3true call main_#t~mem3#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post4#1 := main_#t~mem3#1;call write~int(1 + main_#t~post4#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem3#1;havoc main_#t~post4#1; 139#L715-4true [2022-12-13 18:23:40,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:23:40,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2022-12-13 18:23:40,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:23:40,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894464673] [2022-12-13 18:23:40,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:23:40,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:23:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:23:40,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:23:40,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:23:40,929 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:23:40,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:23:40,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1336134348, now seen corresponding path program 1 times [2022-12-13 18:23:40,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:23:40,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969902848] [2022-12-13 18:23:40,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:23:40,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:23:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:23:40,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:23:40,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969902848] [2022-12-13 18:23:40,958 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 18:23:40,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992497604] [2022-12-13 18:23:40,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:23:40,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:23:40,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:23:40,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:23:40,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 18:23:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:23:41,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 18:23:41,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:23:41,063 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 18:23:41,063 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:23:41,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992497604] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:23:41,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:23:41,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:23:41,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957701690] [2022-12-13 18:23:41,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:23:41,068 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 18:23:41,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:23:41,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 18:23:41,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 18:23:41,092 INFO L87 Difference]: Start difference. First operand has 181 states, 176 states have (on average 1.6931818181818181) internal successors, (298), 176 states have internal predecessors, (298), 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 18:23:41,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:23:41,106 INFO L93 Difference]: Finished difference Result 180 states and 234 transitions. [2022-12-13 18:23:41,107 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 180 states and 234 transitions. [2022-12-13 18:23:41,110 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 167 [2022-12-13 18:23:41,114 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 180 states to 174 states and 228 transitions. [2022-12-13 18:23:41,115 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 174 [2022-12-13 18:23:41,116 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 174 [2022-12-13 18:23:41,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 174 states and 228 transitions. [2022-12-13 18:23:41,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:23:41,117 INFO L218 hiAutomatonCegarLoop]: Abstraction has 174 states and 228 transitions. [2022-12-13 18:23:41,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states and 228 transitions. [2022-12-13 18:23:41,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2022-12-13 18:23:41,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 170 states have (on average 1.3058823529411765) internal successors, (222), 169 states have internal predecessors, (222), 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 18:23:41,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 228 transitions. [2022-12-13 18:23:41,141 INFO L240 hiAutomatonCegarLoop]: Abstraction has 174 states and 228 transitions. [2022-12-13 18:23:41,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 18:23:41,144 INFO L428 stractBuchiCegarLoop]: Abstraction has 174 states and 228 transitions. [2022-12-13 18:23:41,144 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 18:23:41,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 174 states and 228 transitions. [2022-12-13 18:23:41,145 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 167 [2022-12-13 18:23:41,146 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:23:41,146 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:23:41,146 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 18:23:41,146 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 18:23:41,146 INFO L748 eck$LassoCheckResult]: Stem: 473#$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); 474#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem19#1, main_#t~mem18#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~switch22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#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~malloc34#1.base, main_#t~malloc34#1.offset, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#1.offset, main_#t~memset~res37#1.base, main_#t~memset~res37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~mem39#1.base, main_#t~mem39#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~malloc43#1.base, main_#t~malloc43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~mem45#1.base, main_#t~mem45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~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~memset~res50#1.base, main_#t~memset~res50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~mem52#1.base, main_#t~mem52#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, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1, main_#t~post61#1, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1, main_#t~post67#1, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem72#1, main_#t~mem71#1, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1, main_#t~short75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1, main_#t~malloc78#1.base, main_#t~malloc78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~memset~res83#1.base, main_#t~memset~res83#1.offset, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem88#1, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem92#1, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem103#1, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1, main_#t~pre106#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1, main_#t~post111#1, main_#t~mem115#1, main_#t~mem113#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem114#1, main_#t~mem116#1, main_#t~post117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~post94#1, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~mem125#1.base, main_#t~mem125#1.offset, main_#t~mem126#1, main_#t~post127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1.base, main_#t~mem129#1.offset, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem134#1, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem133#1, main_#t~ite137#1, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1, main_#t~mem140#1.base, main_#t~mem140#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~mem3#1, main_#t~post4#1, main_#t~mem5#1, main_#t~mem145#1, main_#t~mem144#1, main_#t~mem146#1, main_#t~mem147#1, main_#t~mem149#1, main_#t~mem148#1, main_#t~mem150#1, main_#t~mem151#1, main_#t~mem153#1, main_#t~mem152#1, main_#t~mem154#1, main_#t~mem155#1, main_#t~switch156#1, main_#t~mem157#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_~_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~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem169#1, main_#t~mem170#1.base, main_#t~mem170#1.offset, 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, main_#t~mem178#1, main_#t~mem179#1, main_#t~short180#1, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~ret182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, main_#t~short189#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1.base, main_#t~mem191#1.offset, main_#t~mem192#1.base, main_#t~mem192#1.offset, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1.base, main_#t~mem197#1.offset, main_#t~mem198#1, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1.base, main_#t~mem207#1.offset, main_#t~mem208#1, main_#t~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem212#1, main_#t~mem210#1.base, main_#t~mem210#1.offset, main_#t~mem211#1, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1, main_#t~post216#1, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1.base, main_#t~mem219#1.offset, main_#t~mem220#1.base, main_#t~mem220#1.offset, main_#t~mem221#1.base, main_#t~mem221#1.offset, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1, main_#t~post227#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem141#1, main_#t~post142#1, main_#t~mem143#1, main_#t~mem228#1.base, main_#t~mem228#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 486#L715-4 [2022-12-13 18:23:41,147 INFO L750 eck$LassoCheckResult]: Loop: 486#L715-4 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 539#L715-1 assume !!(main_#t~mem5#1 < 1000);havoc main_#t~mem5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 449#L717 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 450#L717-2 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem8#1 * main_#t~mem9#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~mem9#1; 552#L722-121 havoc main_~_ha_hashv~0#1; 551#L722-49 goto; 484#L722-47 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; 431#L722-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 432#L722-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch22#1 := 11 == main_~_hj_k~0#1; 494#L722-10 assume main_#t~switch22#1;call main_#t~mem23#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~mem23#1 % 256);havoc main_#t~mem23#1; 511#L722-12 main_#t~switch22#1 := main_#t~switch22#1 || 10 == main_~_hj_k~0#1; 466#L722-13 assume main_#t~switch22#1;call main_#t~mem24#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~mem24#1 % 256);havoc main_#t~mem24#1; 467#L722-15 main_#t~switch22#1 := main_#t~switch22#1 || 9 == main_~_hj_k~0#1; 502#L722-16 assume main_#t~switch22#1;call main_#t~mem25#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~mem25#1 % 256);havoc main_#t~mem25#1; 532#L722-18 main_#t~switch22#1 := main_#t~switch22#1 || 8 == main_~_hj_k~0#1; 425#L722-19 assume main_#t~switch22#1;call main_#t~mem26#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~mem26#1 % 256);havoc main_#t~mem26#1; 426#L722-21 main_#t~switch22#1 := main_#t~switch22#1 || 7 == main_~_hj_k~0#1; 538#L722-22 assume !main_#t~switch22#1; 533#L722-24 main_#t~switch22#1 := main_#t~switch22#1 || 6 == main_~_hj_k~0#1; 534#L722-25 assume main_#t~switch22#1;call main_#t~mem28#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~mem28#1 % 256);havoc main_#t~mem28#1; 458#L722-27 main_#t~switch22#1 := main_#t~switch22#1 || 5 == main_~_hj_k~0#1; 459#L722-28 assume main_#t~switch22#1;call main_#t~mem29#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~mem29#1 % 256;havoc main_#t~mem29#1; 545#L722-30 main_#t~switch22#1 := main_#t~switch22#1 || 4 == main_~_hj_k~0#1; 546#L722-31 assume main_#t~switch22#1;call main_#t~mem30#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~mem30#1 % 256);havoc main_#t~mem30#1; 489#L722-33 main_#t~switch22#1 := main_#t~switch22#1 || 3 == main_~_hj_k~0#1; 427#L722-34 assume main_#t~switch22#1;call main_#t~mem31#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~mem31#1 % 256);havoc main_#t~mem31#1; 428#L722-36 main_#t~switch22#1 := main_#t~switch22#1 || 2 == main_~_hj_k~0#1; 526#L722-37 assume main_#t~switch22#1;call main_#t~mem32#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~mem32#1 % 256);havoc main_#t~mem32#1; 387#L722-39 main_#t~switch22#1 := main_#t~switch22#1 || 1 == main_~_hj_k~0#1; 388#L722-40 assume main_#t~switch22#1;call main_#t~mem33#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~mem33#1 % 256;havoc main_#t~mem33#1; 515#L722-42 havoc main_#t~switch22#1; 516#L722-45 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)))); 543#L722-44 goto; 408#L722-46 goto; 409#L722-48 goto; 498#L722-119 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); 499#L722-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem51#1.base, main_#t~mem51#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem51#1.base, main_#t~mem51#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem51#1.base, main_#t~mem51#1.offset; 530#L722-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem52#1.base, main_#t~mem52#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_#t~mem52#1.base, 16 + main_#t~mem52#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 := read~int(main_#t~mem54#1.base, 20 + main_#t~mem54#1.offset, 4);call write~$Pointer$(main_#t~mem53#1.base, main_#t~mem53#1.offset - main_#t~mem55#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem52#1.base, main_#t~mem52#1.offset;havoc main_#t~mem53#1.base, main_#t~mem53#1.offset;havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;havoc main_#t~mem55#1;call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1.base, main_#t~mem57#1.offset := read~$Pointer$(main_#t~mem56#1.base, 16 + main_#t~mem56#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem57#1.base, 8 + main_#t~mem57#1.offset, 4);havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1.base, main_#t~mem57#1.offset;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 write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem58#1.base, 16 + main_#t~mem58#1.offset, 4);havoc main_#t~mem58#1.base, main_#t~mem58#1.offset; 531#L722-66 goto; 478#L722-117 havoc main_~_ha_bkt~0#1;call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem60#1 := read~int(main_#t~mem59#1.base, 12 + main_#t~mem59#1.offset, 4);main_#t~post61#1 := main_#t~mem60#1;call write~int(1 + main_#t~post61#1, main_#t~mem59#1.base, 12 + main_#t~mem59#1.offset, 4);havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;havoc main_#t~mem60#1;havoc main_#t~post61#1; 479#L722-71 call main_#t~mem62#1.base, main_#t~mem62#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem63#1 := read~int(main_#t~mem62#1.base, 4 + main_#t~mem62#1.offset, 4);main_~_ha_bkt~0#1 := (if 0 == main_~_ha_hashv~0#1 || 0 == main_#t~mem63#1 - 1 then 0 else (if main_~_ha_hashv~0#1 == main_#t~mem63#1 - 1 then main_~_ha_hashv~0#1 else ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem63#1 - 1)));havoc main_#t~mem62#1.base, main_#t~mem62#1.offset;havoc main_#t~mem63#1; 485#L722-70 goto; 549#L722-115 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.base, main_#t~mem65#1.offset := read~$Pointer$(main_#t~mem64#1.base, main_#t~mem64#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem65#1.base, main_#t~mem65#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~mem64#1.base, main_#t~mem64#1.offset;havoc main_#t~mem65#1.base, main_#t~mem65#1.offset;call main_#t~mem66#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post67#1 := main_#t~mem66#1;call write~int(1 + main_#t~post67#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem66#1;havoc main_#t~post67#1;call main_#t~mem68#1.base, main_#t~mem68#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem68#1.base, main_#t~mem68#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem68#1.base, main_#t~mem68#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 412#L722-73 assume main_#t~mem69#1.base != 0 || main_#t~mem69#1.offset != 0;havoc main_#t~mem69#1.base, main_#t~mem69#1.offset;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_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem70#1.base, 12 + main_#t~mem70#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset; 413#L722-75 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~mem72#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem71#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short75#1 := main_#t~mem72#1 % 4294967296 >= 10 * (1 + main_#t~mem71#1) % 4294967296; 506#L722-76 assume main_#t~short75#1;call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem74#1 := read~int(main_#t~mem73#1.base, 36 + main_#t~mem73#1.offset, 4);main_#t~short75#1 := 0 == main_#t~mem74#1 % 4294967296; 384#L722-78 assume !main_#t~short75#1;havoc main_#t~mem72#1;havoc main_#t~mem71#1;havoc main_#t~mem73#1.base, main_#t~mem73#1.offset;havoc main_#t~mem74#1;havoc main_#t~short75#1; 385#L722-114 goto; 476#L722-116 goto; 548#L722-118 goto; 544#L722-120 goto; 505#L715-3 call main_#t~mem3#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post4#1 := main_#t~mem3#1;call write~int(1 + main_#t~post4#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem3#1;havoc main_#t~post4#1; 486#L715-4 [2022-12-13 18:23:41,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:23:41,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2022-12-13 18:23:41,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:23:41,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401554824] [2022-12-13 18:23:41,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:23:41,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:23:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:23:41,161 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:23:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:23:41,174 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:23:41,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:23:41,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1777661299, now seen corresponding path program 1 times [2022-12-13 18:23:41,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:23:41,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083447477] [2022-12-13 18:23:41,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:23:41,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:23:41,289 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 18:23:41,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [37503880] [2022-12-13 18:23:41,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:23:41,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:23:41,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:23:41,324 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:23:41,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 18:23:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:23:41,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 1850 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 18:23:41,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:23:41,855 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 18:23:41,855 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:23:41,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:23:41,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083447477] [2022-12-13 18:23:41,856 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 18:23:41,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37503880] [2022-12-13 18:23:41,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37503880] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:23:41,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:23:41,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:23:41,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190846249] [2022-12-13 18:23:41,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:23:41,857 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 18:23:41,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:23:41,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:23:41,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:23:41,858 INFO L87 Difference]: Start difference. First operand 174 states and 228 transitions. cyclomatic complexity: 57 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 18:23:41,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:23:41,934 INFO L93 Difference]: Finished difference Result 195 states and 249 transitions. [2022-12-13 18:23:41,934 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 195 states and 249 transitions. [2022-12-13 18:23:41,936 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 188 [2022-12-13 18:23:41,938 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 195 states to 195 states and 249 transitions. [2022-12-13 18:23:41,938 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 195 [2022-12-13 18:23:41,939 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 195 [2022-12-13 18:23:41,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 195 states and 249 transitions. [2022-12-13 18:23:41,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:23:41,940 INFO L218 hiAutomatonCegarLoop]: Abstraction has 195 states and 249 transitions. [2022-12-13 18:23:41,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states and 249 transitions. [2022-12-13 18:23:41,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 194. [2022-12-13 18:23:41,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 190 states have (on average 1.2736842105263158) internal successors, (242), 189 states have internal predecessors, (242), 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 18:23:41,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 248 transitions. [2022-12-13 18:23:41,949 INFO L240 hiAutomatonCegarLoop]: Abstraction has 194 states and 248 transitions. [2022-12-13 18:23:41,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:23:41,950 INFO L428 stractBuchiCegarLoop]: Abstraction has 194 states and 248 transitions. [2022-12-13 18:23:41,950 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 18:23:41,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 194 states and 248 transitions. [2022-12-13 18:23:41,951 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 187 [2022-12-13 18:23:41,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:23:41,952 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:23:41,952 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 18:23:41,952 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 18:23:41,953 INFO L748 eck$LassoCheckResult]: Stem: 997#$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); 998#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem19#1, main_#t~mem18#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~switch22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#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~malloc34#1.base, main_#t~malloc34#1.offset, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#1.offset, main_#t~memset~res37#1.base, main_#t~memset~res37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~mem39#1.base, main_#t~mem39#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~malloc43#1.base, main_#t~malloc43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~mem45#1.base, main_#t~mem45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~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~memset~res50#1.base, main_#t~memset~res50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~mem52#1.base, main_#t~mem52#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, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1, main_#t~post61#1, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1, main_#t~post67#1, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem72#1, main_#t~mem71#1, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1, main_#t~short75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1, main_#t~malloc78#1.base, main_#t~malloc78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~memset~res83#1.base, main_#t~memset~res83#1.offset, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem88#1, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem92#1, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem103#1, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1, main_#t~pre106#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1, main_#t~post111#1, main_#t~mem115#1, main_#t~mem113#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem114#1, main_#t~mem116#1, main_#t~post117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~post94#1, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~mem125#1.base, main_#t~mem125#1.offset, main_#t~mem126#1, main_#t~post127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1.base, main_#t~mem129#1.offset, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem134#1, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem133#1, main_#t~ite137#1, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1, main_#t~mem140#1.base, main_#t~mem140#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~mem3#1, main_#t~post4#1, main_#t~mem5#1, main_#t~mem145#1, main_#t~mem144#1, main_#t~mem146#1, main_#t~mem147#1, main_#t~mem149#1, main_#t~mem148#1, main_#t~mem150#1, main_#t~mem151#1, main_#t~mem153#1, main_#t~mem152#1, main_#t~mem154#1, main_#t~mem155#1, main_#t~switch156#1, main_#t~mem157#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_~_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~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem169#1, main_#t~mem170#1.base, main_#t~mem170#1.offset, 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, main_#t~mem178#1, main_#t~mem179#1, main_#t~short180#1, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~ret182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, main_#t~short189#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1.base, main_#t~mem191#1.offset, main_#t~mem192#1.base, main_#t~mem192#1.offset, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1.base, main_#t~mem197#1.offset, main_#t~mem198#1, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1.base, main_#t~mem207#1.offset, main_#t~mem208#1, main_#t~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem212#1, main_#t~mem210#1.base, main_#t~mem210#1.offset, main_#t~mem211#1, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1, main_#t~post216#1, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1.base, main_#t~mem219#1.offset, main_#t~mem220#1.base, main_#t~mem220#1.offset, main_#t~mem221#1.base, main_#t~mem221#1.offset, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1, main_#t~post227#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem141#1, main_#t~post142#1, main_#t~mem143#1, main_#t~mem228#1.base, main_#t~mem228#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 1014#L715-4 [2022-12-13 18:23:41,953 INFO L750 eck$LassoCheckResult]: Loop: 1014#L715-4 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 1070#L715-1 assume !!(main_#t~mem5#1 < 1000);havoc main_#t~mem5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 977#L717 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 978#L717-2 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem8#1 * main_#t~mem9#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~mem9#1; 1083#L722-121 havoc main_~_ha_hashv~0#1; 1082#L722-49 goto; 1010#L722-47 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; 955#L722-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 956#L722-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch22#1 := 11 == main_~_hj_k~0#1; 1020#L722-10 assume !main_#t~switch22#1; 1069#L722-12 main_#t~switch22#1 := main_#t~switch22#1 || 10 == main_~_hj_k~0#1; 1091#L722-13 assume !main_#t~switch22#1; 1092#L722-15 main_#t~switch22#1 := main_#t~switch22#1 || 9 == main_~_hj_k~0#1; 1105#L722-16 assume !main_#t~switch22#1; 1104#L722-18 main_#t~switch22#1 := main_#t~switch22#1 || 8 == main_~_hj_k~0#1; 1103#L722-19 assume main_#t~switch22#1;call main_#t~mem26#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~mem26#1 % 256);havoc main_#t~mem26#1; 947#L722-21 main_#t~switch22#1 := main_#t~switch22#1 || 7 == main_~_hj_k~0#1; 1067#L722-22 assume main_#t~switch22#1;call main_#t~mem27#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~mem27#1 % 256);havoc main_#t~mem27#1; 1063#L722-24 main_#t~switch22#1 := main_#t~switch22#1 || 6 == main_~_hj_k~0#1; 1064#L722-25 assume main_#t~switch22#1;call main_#t~mem28#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~mem28#1 % 256);havoc main_#t~mem28#1; 988#L722-27 main_#t~switch22#1 := main_#t~switch22#1 || 5 == main_~_hj_k~0#1; 989#L722-28 assume main_#t~switch22#1;call main_#t~mem29#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~mem29#1 % 256;havoc main_#t~mem29#1; 1090#L722-30 main_#t~switch22#1 := main_#t~switch22#1 || 4 == main_~_hj_k~0#1; 1089#L722-31 assume main_#t~switch22#1;call main_#t~mem30#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~mem30#1 % 256);havoc main_#t~mem30#1; 1017#L722-33 main_#t~switch22#1 := main_#t~switch22#1 || 3 == main_~_hj_k~0#1; 958#L722-34 assume main_#t~switch22#1;call main_#t~mem31#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~mem31#1 % 256);havoc main_#t~mem31#1; 959#L722-36 main_#t~switch22#1 := main_#t~switch22#1 || 2 == main_~_hj_k~0#1; 1055#L722-37 assume main_#t~switch22#1;call main_#t~mem32#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~mem32#1 % 256);havoc main_#t~mem32#1; 1056#L722-39 main_#t~switch22#1 := main_#t~switch22#1 || 1 == main_~_hj_k~0#1; 1061#L722-40 assume main_#t~switch22#1;call main_#t~mem33#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~mem33#1 % 256;havoc main_#t~mem33#1; 1045#L722-42 havoc main_#t~switch22#1; 1046#L722-45 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)))); 1074#L722-44 goto; 936#L722-46 goto; 937#L722-48 goto; 1026#L722-119 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); 1027#L722-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem51#1.base, main_#t~mem51#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem51#1.base, main_#t~mem51#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem51#1.base, main_#t~mem51#1.offset; 1059#L722-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem52#1.base, main_#t~mem52#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_#t~mem52#1.base, 16 + main_#t~mem52#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 := read~int(main_#t~mem54#1.base, 20 + main_#t~mem54#1.offset, 4);call write~$Pointer$(main_#t~mem53#1.base, main_#t~mem53#1.offset - main_#t~mem55#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem52#1.base, main_#t~mem52#1.offset;havoc main_#t~mem53#1.base, main_#t~mem53#1.offset;havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;havoc main_#t~mem55#1;call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1.base, main_#t~mem57#1.offset := read~$Pointer$(main_#t~mem56#1.base, 16 + main_#t~mem56#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem57#1.base, 8 + main_#t~mem57#1.offset, 4);havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1.base, main_#t~mem57#1.offset;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 write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem58#1.base, 16 + main_#t~mem58#1.offset, 4);havoc main_#t~mem58#1.base, main_#t~mem58#1.offset; 1060#L722-66 goto; 1008#L722-117 havoc main_~_ha_bkt~0#1;call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem60#1 := read~int(main_#t~mem59#1.base, 12 + main_#t~mem59#1.offset, 4);main_#t~post61#1 := main_#t~mem60#1;call write~int(1 + main_#t~post61#1, main_#t~mem59#1.base, 12 + main_#t~mem59#1.offset, 4);havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;havoc main_#t~mem60#1;havoc main_#t~post61#1; 1009#L722-71 call main_#t~mem62#1.base, main_#t~mem62#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem63#1 := read~int(main_#t~mem62#1.base, 4 + main_#t~mem62#1.offset, 4);main_~_ha_bkt~0#1 := (if 0 == main_~_ha_hashv~0#1 || 0 == main_#t~mem63#1 - 1 then 0 else (if main_~_ha_hashv~0#1 == main_#t~mem63#1 - 1 then main_~_ha_hashv~0#1 else ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem63#1 - 1)));havoc main_#t~mem62#1.base, main_#t~mem62#1.offset;havoc main_#t~mem63#1; 1013#L722-70 goto; 1080#L722-115 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.base, main_#t~mem65#1.offset := read~$Pointer$(main_#t~mem64#1.base, main_#t~mem64#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem65#1.base, main_#t~mem65#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~mem64#1.base, main_#t~mem64#1.offset;havoc main_#t~mem65#1.base, main_#t~mem65#1.offset;call main_#t~mem66#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post67#1 := main_#t~mem66#1;call write~int(1 + main_#t~post67#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem66#1;havoc main_#t~post67#1;call main_#t~mem68#1.base, main_#t~mem68#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem68#1.base, main_#t~mem68#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem68#1.base, main_#t~mem68#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 940#L722-73 assume main_#t~mem69#1.base != 0 || main_#t~mem69#1.offset != 0;havoc main_#t~mem69#1.base, main_#t~mem69#1.offset;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_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem70#1.base, 12 + main_#t~mem70#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset; 941#L722-75 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~mem72#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem71#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short75#1 := main_#t~mem72#1 % 4294967296 >= 10 * (1 + main_#t~mem71#1) % 4294967296; 1034#L722-76 assume main_#t~short75#1;call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem74#1 := read~int(main_#t~mem73#1.base, 36 + main_#t~mem73#1.offset, 4);main_#t~short75#1 := 0 == main_#t~mem74#1 % 4294967296; 912#L722-78 assume !main_#t~short75#1;havoc main_#t~mem72#1;havoc main_#t~mem71#1;havoc main_#t~mem73#1.base, main_#t~mem73#1.offset;havoc main_#t~mem74#1;havoc main_#t~short75#1; 913#L722-114 goto; 1005#L722-116 goto; 1079#L722-118 goto; 1075#L722-120 goto; 1033#L715-3 call main_#t~mem3#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post4#1 := main_#t~mem3#1;call write~int(1 + main_#t~post4#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem3#1;havoc main_#t~post4#1; 1014#L715-4 [2022-12-13 18:23:41,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:23:41,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 3 times [2022-12-13 18:23:41,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:23:41,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596142220] [2022-12-13 18:23:41,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:23:41,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:23:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:23:41,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:23:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:23:41,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:23:41,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:23:41,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1042197777, now seen corresponding path program 1 times [2022-12-13 18:23:41,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:23:41,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815984614] [2022-12-13 18:23:41,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:23:41,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:23:42,101 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 18:23:42,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [81006674] [2022-12-13 18:23:42,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:23:42,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:23:42,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:23:42,103 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:23:42,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 18:23:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:23:42,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 1838 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:23:42,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:23:42,643 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 18:23:42,644 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:23:42,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:23:42,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815984614] [2022-12-13 18:23:42,644 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 18:23:42,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81006674] [2022-12-13 18:23:42,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81006674] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:23:42,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:23:42,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:23:42,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285309399] [2022-12-13 18:23:42,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:23:42,656 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 18:23:42,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:23:42,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:23:42,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:23:42,657 INFO L87 Difference]: Start difference. First operand 194 states and 248 transitions. cyclomatic complexity: 57 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 18:23:42,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:23:42,752 INFO L93 Difference]: Finished difference Result 269 states and 344 transitions. [2022-12-13 18:23:42,752 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 269 states and 344 transitions. [2022-12-13 18:23:42,755 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 254 [2022-12-13 18:23:42,757 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 269 states to 269 states and 344 transitions. [2022-12-13 18:23:42,757 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 269 [2022-12-13 18:23:42,758 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 269 [2022-12-13 18:23:42,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 269 states and 344 transitions. [2022-12-13 18:23:42,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:23:42,759 INFO L218 hiAutomatonCegarLoop]: Abstraction has 269 states and 344 transitions. [2022-12-13 18:23:42,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states and 344 transitions. [2022-12-13 18:23:42,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 180. [2022-12-13 18:23:42,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 176 states have (on average 1.2556818181818181) internal successors, (221), 175 states have internal predecessors, (221), 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 18:23:42,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 227 transitions. [2022-12-13 18:23:42,768 INFO L240 hiAutomatonCegarLoop]: Abstraction has 180 states and 227 transitions. [2022-12-13 18:23:42,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:23:42,769 INFO L428 stractBuchiCegarLoop]: Abstraction has 180 states and 227 transitions. [2022-12-13 18:23:42,769 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 18:23:42,769 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 180 states and 227 transitions. [2022-12-13 18:23:42,770 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 173 [2022-12-13 18:23:42,770 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:23:42,771 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:23:42,771 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 18:23:42,771 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 18:23:42,772 INFO L748 eck$LassoCheckResult]: Stem: 1621#$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); 1622#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem19#1, main_#t~mem18#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~switch22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#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~malloc34#1.base, main_#t~malloc34#1.offset, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#1.offset, main_#t~memset~res37#1.base, main_#t~memset~res37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~mem39#1.base, main_#t~mem39#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~malloc43#1.base, main_#t~malloc43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~mem45#1.base, main_#t~mem45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~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~memset~res50#1.base, main_#t~memset~res50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~mem52#1.base, main_#t~mem52#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, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1, main_#t~post61#1, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1, main_#t~post67#1, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem72#1, main_#t~mem71#1, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1, main_#t~short75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1, main_#t~malloc78#1.base, main_#t~malloc78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~memset~res83#1.base, main_#t~memset~res83#1.offset, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem88#1, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem92#1, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem103#1, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1, main_#t~pre106#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1, main_#t~post111#1, main_#t~mem115#1, main_#t~mem113#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem114#1, main_#t~mem116#1, main_#t~post117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~post94#1, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~mem125#1.base, main_#t~mem125#1.offset, main_#t~mem126#1, main_#t~post127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1.base, main_#t~mem129#1.offset, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem134#1, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem133#1, main_#t~ite137#1, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1, main_#t~mem140#1.base, main_#t~mem140#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~mem3#1, main_#t~post4#1, main_#t~mem5#1, main_#t~mem145#1, main_#t~mem144#1, main_#t~mem146#1, main_#t~mem147#1, main_#t~mem149#1, main_#t~mem148#1, main_#t~mem150#1, main_#t~mem151#1, main_#t~mem153#1, main_#t~mem152#1, main_#t~mem154#1, main_#t~mem155#1, main_#t~switch156#1, main_#t~mem157#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_~_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~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem169#1, main_#t~mem170#1.base, main_#t~mem170#1.offset, 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, main_#t~mem178#1, main_#t~mem179#1, main_#t~short180#1, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~ret182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, main_#t~short189#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1.base, main_#t~mem191#1.offset, main_#t~mem192#1.base, main_#t~mem192#1.offset, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1.base, main_#t~mem197#1.offset, main_#t~mem198#1, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1.base, main_#t~mem207#1.offset, main_#t~mem208#1, main_#t~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem212#1, main_#t~mem210#1.base, main_#t~mem210#1.offset, main_#t~mem211#1, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1, main_#t~post216#1, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1.base, main_#t~mem219#1.offset, main_#t~mem220#1.base, main_#t~mem220#1.offset, main_#t~mem221#1.base, main_#t~mem221#1.offset, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1, main_#t~post227#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem141#1, main_#t~post142#1, main_#t~mem143#1, main_#t~mem228#1.base, main_#t~mem228#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 1638#L715-4 [2022-12-13 18:23:42,772 INFO L750 eck$LassoCheckResult]: Loop: 1638#L715-4 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 1692#L715-1 assume !!(main_#t~mem5#1 < 1000);havoc main_#t~mem5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 1601#L717 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 1602#L717-2 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem8#1 * main_#t~mem9#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~mem9#1; 1707#L722-121 havoc main_~_ha_hashv~0#1; 1706#L722-49 goto; 1634#L722-47 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; 1579#L722-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 1580#L722-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch22#1 := 11 == main_~_hj_k~0#1; 1645#L722-10 assume !main_#t~switch22#1; 1664#L722-12 main_#t~switch22#1 := main_#t~switch22#1 || 10 == main_~_hj_k~0#1; 1610#L722-13 assume !main_#t~switch22#1; 1611#L722-15 main_#t~switch22#1 := main_#t~switch22#1 || 9 == main_~_hj_k~0#1; 1655#L722-16 assume !main_#t~switch22#1; 1685#L722-18 main_#t~switch22#1 := main_#t~switch22#1 || 8 == main_~_hj_k~0#1; 1570#L722-19 assume !main_#t~switch22#1; 1571#L722-21 main_#t~switch22#1 := main_#t~switch22#1 || 7 == main_~_hj_k~0#1; 1690#L722-22 assume !main_#t~switch22#1; 1686#L722-24 main_#t~switch22#1 := main_#t~switch22#1 || 6 == main_~_hj_k~0#1; 1687#L722-25 assume !main_#t~switch22#1; 1612#L722-27 main_#t~switch22#1 := main_#t~switch22#1 || 5 == main_~_hj_k~0#1; 1613#L722-28 assume !main_#t~switch22#1; 1698#L722-30 main_#t~switch22#1 := main_#t~switch22#1 || 4 == main_~_hj_k~0#1; 1699#L722-31 assume main_#t~switch22#1;call main_#t~mem30#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~mem30#1 % 256);havoc main_#t~mem30#1; 1713#L722-33 main_#t~switch22#1 := main_#t~switch22#1 || 3 == main_~_hj_k~0#1; 1582#L722-34 assume main_#t~switch22#1;call main_#t~mem31#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~mem31#1 % 256);havoc main_#t~mem31#1; 1583#L722-36 main_#t~switch22#1 := main_#t~switch22#1 || 2 == main_~_hj_k~0#1; 1680#L722-37 assume main_#t~switch22#1;call main_#t~mem32#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~mem32#1 % 256);havoc main_#t~mem32#1; 1539#L722-39 main_#t~switch22#1 := main_#t~switch22#1 || 1 == main_~_hj_k~0#1; 1540#L722-40 assume main_#t~switch22#1;call main_#t~mem33#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~mem33#1 % 256;havoc main_#t~mem33#1; 1670#L722-42 havoc main_#t~switch22#1; 1671#L722-45 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)))); 1696#L722-44 goto; 1560#L722-46 goto; 1561#L722-48 goto; 1651#L722-119 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); 1652#L722-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem51#1.base, main_#t~mem51#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem51#1.base, main_#t~mem51#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem51#1.base, main_#t~mem51#1.offset; 1683#L722-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem52#1.base, main_#t~mem52#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_#t~mem52#1.base, 16 + main_#t~mem52#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 := read~int(main_#t~mem54#1.base, 20 + main_#t~mem54#1.offset, 4);call write~$Pointer$(main_#t~mem53#1.base, main_#t~mem53#1.offset - main_#t~mem55#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem52#1.base, main_#t~mem52#1.offset;havoc main_#t~mem53#1.base, main_#t~mem53#1.offset;havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;havoc main_#t~mem55#1;call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1.base, main_#t~mem57#1.offset := read~$Pointer$(main_#t~mem56#1.base, 16 + main_#t~mem56#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem57#1.base, 8 + main_#t~mem57#1.offset, 4);havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1.base, main_#t~mem57#1.offset;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 write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem58#1.base, 16 + main_#t~mem58#1.offset, 4);havoc main_#t~mem58#1.base, main_#t~mem58#1.offset; 1684#L722-66 goto; 1632#L722-117 havoc main_~_ha_bkt~0#1;call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem60#1 := read~int(main_#t~mem59#1.base, 12 + main_#t~mem59#1.offset, 4);main_#t~post61#1 := main_#t~mem60#1;call write~int(1 + main_#t~post61#1, main_#t~mem59#1.base, 12 + main_#t~mem59#1.offset, 4);havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;havoc main_#t~mem60#1;havoc main_#t~post61#1; 1633#L722-71 call main_#t~mem62#1.base, main_#t~mem62#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem63#1 := read~int(main_#t~mem62#1.base, 4 + main_#t~mem62#1.offset, 4);main_~_ha_bkt~0#1 := (if 0 == main_~_ha_hashv~0#1 || 0 == main_#t~mem63#1 - 1 then 0 else (if main_~_ha_hashv~0#1 == main_#t~mem63#1 - 1 then main_~_ha_hashv~0#1 else ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem63#1 - 1)));havoc main_#t~mem62#1.base, main_#t~mem62#1.offset;havoc main_#t~mem63#1; 1637#L722-70 goto; 1704#L722-115 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.base, main_#t~mem65#1.offset := read~$Pointer$(main_#t~mem64#1.base, main_#t~mem64#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem65#1.base, main_#t~mem65#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~mem64#1.base, main_#t~mem64#1.offset;havoc main_#t~mem65#1.base, main_#t~mem65#1.offset;call main_#t~mem66#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post67#1 := main_#t~mem66#1;call write~int(1 + main_#t~post67#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem66#1;havoc main_#t~post67#1;call main_#t~mem68#1.base, main_#t~mem68#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem68#1.base, main_#t~mem68#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem68#1.base, main_#t~mem68#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 1564#L722-73 assume main_#t~mem69#1.base != 0 || main_#t~mem69#1.offset != 0;havoc main_#t~mem69#1.base, main_#t~mem69#1.offset;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_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem70#1.base, 12 + main_#t~mem70#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset; 1565#L722-75 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~mem72#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem71#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short75#1 := main_#t~mem72#1 % 4294967296 >= 10 * (1 + main_#t~mem71#1) % 4294967296; 1659#L722-76 assume main_#t~short75#1;call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem74#1 := read~int(main_#t~mem73#1.base, 36 + main_#t~mem73#1.offset, 4);main_#t~short75#1 := 0 == main_#t~mem74#1 % 4294967296; 1536#L722-78 assume !main_#t~short75#1;havoc main_#t~mem72#1;havoc main_#t~mem71#1;havoc main_#t~mem73#1.base, main_#t~mem73#1.offset;havoc main_#t~mem74#1;havoc main_#t~short75#1; 1537#L722-114 goto; 1629#L722-116 goto; 1701#L722-118 goto; 1697#L722-120 goto; 1658#L715-3 call main_#t~mem3#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post4#1 := main_#t~mem3#1;call write~int(1 + main_#t~post4#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem3#1;havoc main_#t~post4#1; 1638#L715-4 [2022-12-13 18:23:42,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:23:42,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 4 times [2022-12-13 18:23:42,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:23:42,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057107053] [2022-12-13 18:23:42,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:23:42,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:23:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:23:42,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:23:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:23:42,812 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:23:42,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:23:42,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1486937113, now seen corresponding path program 1 times [2022-12-13 18:23:42,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:23:42,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120592797] [2022-12-13 18:23:42,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:23:42,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:23:42,898 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 18:23:42,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2061409393] [2022-12-13 18:23:42,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:23:42,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:23:42,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:23:42,899 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:23:42,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1201db-63bf-4efa-8fe9-b8cc4ef2ba10/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process