./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY --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 961225f1af8bda006e5a86aed07a62a3e426daf2d218eb9a2332372592a548eb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 07:23:01,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 07:23:01,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 07:23:01,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 07:23:01,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 07:23:01,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 07:23:01,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 07:23:01,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 07:23:01,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 07:23:01,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 07:23:01,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 07:23:01,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 07:23:01,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 07:23:01,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 07:23:01,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 07:23:01,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 07:23:01,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 07:23:01,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 07:23:01,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 07:23:01,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 07:23:01,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 07:23:01,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 07:23:01,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 07:23:01,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 07:23:01,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 07:23:01,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 07:23:01,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 07:23:01,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 07:23:01,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 07:23:01,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 07:23:01,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 07:23:01,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 07:23:01,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 07:23:01,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 07:23:01,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 07:23:01,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 07:23:01,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 07:23:01,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 07:23:01,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 07:23:01,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 07:23:01,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 07:23:01,288 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-07 07:23:01,341 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 07:23:01,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 07:23:01,342 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 07:23:01,342 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 07:23:01,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 07:23:01,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 07:23:01,345 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 07:23:01,345 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-07 07:23:01,345 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-07 07:23:01,346 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-07 07:23:01,347 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-07 07:23:01,347 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-07 07:23:01,348 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-07 07:23:01,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 07:23:01,348 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 07:23:01,349 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 07:23:01,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 07:23:01,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 07:23:01,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 07:23:01,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-07 07:23:01,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-07 07:23:01,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-07 07:23:01,350 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 07:23:01,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 07:23:01,351 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-07 07:23:01,351 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 07:23:01,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-07 07:23:01,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 07:23:01,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 07:23:01,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 07:23:01,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 07:23:01,353 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 07:23:01,354 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-07 07:23:01,355 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_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 961225f1af8bda006e5a86aed07a62a3e426daf2d218eb9a2332372592a548eb [2021-11-07 07:23:01,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 07:23:01,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 07:23:01,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 07:23:01,702 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 07:23:01,703 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 07:23:01,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i [2021-11-07 07:23:01,776 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY/data/1fb088292/18a9dc2a06694deb94196d55e7715ed8/FLAG2f08859b3 [2021-11-07 07:23:02,650 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 07:23:02,651 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i [2021-11-07 07:23:02,698 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY/data/1fb088292/18a9dc2a06694deb94196d55e7715ed8/FLAG2f08859b3 [2021-11-07 07:23:03,216 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY/data/1fb088292/18a9dc2a06694deb94196d55e7715ed8 [2021-11-07 07:23:03,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 07:23:03,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 07:23:03,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 07:23:03,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 07:23:03,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 07:23:03,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:23:03" (1/1) ... [2021-11-07 07:23:03,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59a4d2e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:03, skipping insertion in model container [2021-11-07 07:23:03,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:23:03" (1/1) ... [2021-11-07 07:23:03,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 07:23:03,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 07:23:03,935 WARN L228 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_526a7b78-49e1-4347-96f7-a19bce88da22/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i[33021,33034] [2021-11-07 07:23:04,336 WARN L228 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_526a7b78-49e1-4347-96f7-a19bce88da22/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i[84583,84596] [2021-11-07 07:23:04,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:23:04,393 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 07:23:04,437 WARN L228 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_526a7b78-49e1-4347-96f7-a19bce88da22/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i[33021,33034] [2021-11-07 07:23:04,614 WARN L228 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_526a7b78-49e1-4347-96f7-a19bce88da22/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i[84583,84596] [2021-11-07 07:23:04,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:23:04,687 INFO L208 MainTranslator]: Completed translation [2021-11-07 07:23:04,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:04 WrapperNode [2021-11-07 07:23:04,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 07:23:04,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 07:23:04,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 07:23:04,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 07:23:04,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:04" (1/1) ... [2021-11-07 07:23:04,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:04" (1/1) ... [2021-11-07 07:23:05,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 07:23:05,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 07:23:05,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 07:23:05,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 07:23:05,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:04" (1/1) ... [2021-11-07 07:23:05,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:04" (1/1) ... [2021-11-07 07:23:05,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:04" (1/1) ... [2021-11-07 07:23:05,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:04" (1/1) ... [2021-11-07 07:23:05,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:04" (1/1) ... [2021-11-07 07:23:05,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:04" (1/1) ... [2021-11-07 07:23:05,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:04" (1/1) ... [2021-11-07 07:23:05,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 07:23:05,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 07:23:05,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 07:23:05,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 07:23:05,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:04" (1/1) ... [2021-11-07 07:23:05,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:23:05,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:23:05,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:23:05,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-07 07:23:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 07:23:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 07:23:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-07 07:23:05,474 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-07 07:23:05,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 07:23:05,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 07:23:05,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 07:23:05,474 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 07:23:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 07:23:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 07:23:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 07:23:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 07:23:05,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 07:23:05,792 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 07:23:09,494 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 07:23:09,494 INFO L299 CfgBuilder]: Removed 1069 assume(true) statements. [2021-11-07 07:23:09,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:23:09 BoogieIcfgContainer [2021-11-07 07:23:09,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 07:23:09,500 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-07 07:23:09,500 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-07 07:23:09,504 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-07 07:23:09,505 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:23:09,505 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.11 07:23:03" (1/3) ... [2021-11-07 07:23:09,507 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58e5feb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 07:23:09, skipping insertion in model container [2021-11-07 07:23:09,507 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:23:09,507 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:04" (2/3) ... [2021-11-07 07:23:09,508 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58e5feb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 07:23:09, skipping insertion in model container [2021-11-07 07:23:09,508 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:23:09,508 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:23:09" (3/3) ... [2021-11-07 07:23:09,510 INFO L389 chiAutomizerObserver]: Analyzing ICFG uthash_JEN_test9-2.i [2021-11-07 07:23:09,560 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-07 07:23:09,560 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-07 07:23:09,562 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-07 07:23:09,562 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-07 07:23:09,562 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-07 07:23:09,562 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-07 07:23:09,562 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-07 07:23:09,563 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-07 07:23:09,624 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 1189 states, 1184 states have (on average 1.9501689189189189) internal successors, (2309), 1184 states have internal predecessors, (2309), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-07 07:23:09,744 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1175 [2021-11-07 07:23:09,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:23:09,744 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:23:09,754 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-07 07:23:09,754 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-07 07:23:09,754 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-07 07:23:09,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 1189 states, 1184 states have (on average 1.9501689189189189) internal successors, (2309), 1184 states have internal predecessors, (2309), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-07 07:23:09,782 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1175 [2021-11-07 07:23:09,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:23:09,782 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:23:09,783 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-07 07:23:09,783 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-07 07:23:09,791 INFO L791 eck$LassoCheckResult]: Stem: 572#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string2.base, #t~string2.offset, 1);call write~init~int(0, #t~string2.base, 1 + #t~string2.offset, 1);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(21);~count_int_int~0 := 0; 1076#L-1true havoc main_#res;havoc main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem15, main_#t~mem14, main_#t~mem16, main_#t~mem17, main_#t~mem19, main_#t~mem18, main_#t~mem20, main_#t~mem21, main_#t~mem23, main_#t~mem22, main_#t~mem24, main_#t~mem25, main_#t~switch26, main_#t~mem27, main_#t~mem28, main_#t~mem29, main_#t~mem30, main_#t~mem31, main_#t~mem32, main_#t~mem33, main_#t~mem34, main_#t~mem35, main_#t~mem36, main_#t~mem37, main_~_hj_i~0, main_~_hj_j~0, main_~_hj_k~0, main_~_hj_key~0.base, main_~_hj_key~0.offset, main_#t~malloc38.base, main_#t~malloc38.offset, main_#t~mem39.base, main_#t~mem39.offset, main_#t~mem40.base, main_#t~mem40.offset, main_#t~memset~res41.base, main_#t~memset~res41.offset, main_#t~mem42.base, main_#t~mem42.offset, main_#t~mem43.base, main_#t~mem43.offset, main_#t~mem44.base, main_#t~mem44.offset, main_#t~mem45.base, main_#t~mem45.offset, main_#t~mem46.base, main_#t~mem46.offset, main_#t~malloc47.base, main_#t~malloc47.offset, main_#t~mem48.base, main_#t~mem48.offset, main_#t~mem49.base, main_#t~mem49.offset, main_#t~mem50.base, main_#t~mem50.offset, main_#t~mem51.base, main_#t~mem51.offset, main_#t~mem52.base, main_#t~mem52.offset, main_#t~mem53.base, main_#t~mem53.offset, main_#t~memset~res54.base, main_#t~memset~res54.offset, main_#t~mem55.base, main_#t~mem55.offset, main_#t~mem56.base, main_#t~mem56.offset, main_#t~mem57.base, main_#t~mem57.offset, main_#t~mem58.base, main_#t~mem58.offset, main_#t~mem59, main_#t~mem60.base, main_#t~mem60.offset, main_#t~mem61.base, main_#t~mem61.offset, main_#t~mem62.base, main_#t~mem62.offset, main_#t~mem63.base, main_#t~mem63.offset, main_#t~mem64, main_#t~post65, main_#t~mem66.base, main_#t~mem66.offset, main_#t~mem67, main_#t~mem68.base, main_#t~mem68.offset, main_#t~mem69.base, main_#t~mem69.offset, main_#t~mem70, main_#t~post71, main_#t~mem72.base, main_#t~mem72.offset, main_#t~mem73.base, main_#t~mem73.offset, main_#t~mem74.base, main_#t~mem74.offset, main_#t~mem76, main_#t~mem75, main_#t~mem77.base, main_#t~mem77.offset, main_#t~mem78, main_#t~short79, main_#t~mem80.base, main_#t~mem80.offset, main_#t~mem81, main_#t~malloc82.base, main_#t~malloc82.offset, main_#t~mem83.base, main_#t~mem83.offset, main_#t~mem84.base, main_#t~mem84.offset, main_#t~mem85.base, main_#t~mem85.offset, main_#t~mem86, main_#t~memset~res87.base, main_#t~memset~res87.offset, main_#t~mem88.base, main_#t~mem88.offset, main_#t~mem89.base, main_#t~mem89.offset, main_#t~mem92, main_#t~mem90.base, main_#t~mem90.offset, main_#t~mem91, main_#t~mem93.base, main_#t~mem93.offset, main_#t~mem96, main_#t~mem94.base, main_#t~mem94.offset, main_#t~mem95, main_#t~ite97, main_#t~mem98.base, main_#t~mem98.offset, main_#t~mem102.base, main_#t~mem102.offset, main_#t~mem103.base, main_#t~mem103.offset, main_#t~mem104.base, main_#t~mem104.offset, main_#t~mem105.base, main_#t~mem105.offset, main_#t~mem108, main_#t~mem106.base, main_#t~mem106.offset, main_#t~mem107, main_#t~mem109.base, main_#t~mem109.offset, main_#t~mem110, main_#t~pre111, main_#t~mem112.base, main_#t~mem112.offset, main_#t~mem113, main_#t~mem114.base, main_#t~mem114.offset, main_#t~mem115, main_#t~post116, main_#t~mem120, main_#t~mem118, main_#t~mem117.base, main_#t~mem117.offset, main_#t~mem119, main_#t~mem121, main_#t~post122, main_#t~mem123.base, main_#t~mem123.offset, main_#t~mem124.base, main_#t~mem124.offset, main_#t~mem125.base, main_#t~mem125.offset, main_#t~post99, main_#t~mem100.base, main_#t~mem100.offset, main_#t~mem101, main_#t~mem126.base, main_#t~mem126.offset, main_#t~mem127.base, main_#t~mem127.offset, main_#t~mem128.base, main_#t~mem128.offset, main_#t~mem129, main_#t~mem130.base, main_#t~mem130.offset, main_#t~mem131, main_#t~post132, main_#t~mem133.base, main_#t~mem133.offset, main_#t~mem134.base, main_#t~mem134.offset, main_#t~mem135.base, main_#t~mem135.offset, main_#t~mem136.base, main_#t~mem136.offset, main_#t~mem139, main_#t~mem137.base, main_#t~mem137.offset, main_#t~mem138, main_#t~ite142, main_#t~mem140.base, main_#t~mem140.offset, main_#t~mem141, main_#t~mem143.base, main_#t~mem143.offset, main_#t~mem144, main_#t~mem145.base, main_#t~mem145.offset, main_~_he_bkt~0, main_~_he_bkt_i~0, main_~_he_thh~0.base, main_~_he_thh~0.offset, main_~_he_hh_nxt~0.base, main_~_he_hh_nxt~0.offset, main_~#_he_new_buckets~0.base, main_~#_he_new_buckets~0.offset, main_~_he_newbkt~0.base, main_~_he_newbkt~0.offset, main_~_ha_head~0.base, main_~_ha_head~0.offset, main_~_ha_bkt~0, main_~_ha_hashv~0, main_#t~mem7, main_#t~post8, main_#t~mem9, main_#t~mem149, main_#t~mem148, main_#t~mem150, main_#t~mem151, main_#t~mem153, main_#t~mem152, main_#t~mem154, main_#t~mem155, main_#t~mem157, main_#t~mem156, main_#t~mem158, main_#t~mem159, main_#t~switch160, main_#t~mem161, main_#t~mem162, main_#t~mem163, main_#t~mem164, main_#t~mem165, main_#t~mem166, main_#t~mem167, main_#t~mem168, main_#t~mem169, main_#t~mem170, main_#t~mem171, main_~_hj_i~1, main_~_hj_j~1, main_~_hj_k~1, main_~_hj_key~1.base, main_~_hj_key~1.offset, main_#t~mem172.base, main_#t~mem172.offset, main_#t~mem173, main_#t~mem174.base, main_#t~mem174.offset, main_#t~mem175.base, main_#t~mem175.offset, main_#t~mem176.base, main_#t~mem176.offset, main_#t~mem177.base, main_#t~mem177.offset, main_#t~mem178.base, main_#t~mem178.offset, main_#t~mem179.base, main_#t~mem179.offset, main_#t~mem180.base, main_#t~mem180.offset, main_#t~mem181, main_#t~mem182, main_#t~mem183, main_#t~short184, main_#t~mem185.base, main_#t~mem185.offset, main_#t~ret186, main_#t~mem187.base, main_#t~mem187.offset, main_#t~mem188.base, main_#t~mem188.offset, main_#t~mem189.base, main_#t~mem189.offset, main_#t~mem190, main_~_hf_bkt~0, main_~_hf_hashv~0, main_#t~mem191, main_#t~mem192, main_#t~mem146, main_#t~mem147, main_#t~ite194.base, main_#t~ite194.offset, main_#t~mem193.base, main_#t~mem193.offset, main_#t~mem197.base, main_#t~mem197.offset, main_#t~mem198.base, main_#t~mem198.offset, main_#t~short199, main_#t~mem200.base, main_#t~mem200.offset, main_#t~mem201.base, main_#t~mem201.offset, main_#t~mem202.base, main_#t~mem202.offset, main_#t~mem203.base, main_#t~mem203.offset, main_#t~mem204.base, main_#t~mem204.offset, main_#t~mem205.base, main_#t~mem205.offset, main_#t~mem206.base, main_#t~mem206.offset, main_#t~mem207.base, main_#t~mem207.offset, main_#t~mem208, main_#t~mem209.base, main_#t~mem209.offset, main_#t~mem210.base, main_#t~mem210.offset, main_#t~mem211.base, main_#t~mem211.offset, main_#t~mem212, main_#t~mem213.base, main_#t~mem213.offset, main_#t~mem214.base, main_#t~mem214.offset, main_#t~mem215.base, main_#t~mem215.offset, main_#t~mem216.base, main_#t~mem216.offset, main_#t~mem217.base, main_#t~mem217.offset, main_#t~mem218, main_#t~mem219.base, main_#t~mem219.offset, main_#t~mem222, main_#t~mem220.base, main_#t~mem220.offset, main_#t~mem221, main_#t~mem223.base, main_#t~mem223.offset, main_#t~mem224.base, main_#t~mem224.offset, main_#t~mem225, main_#t~post226, main_#t~mem227.base, main_#t~mem227.offset, main_#t~mem228.base, main_#t~mem228.offset, main_#t~mem229.base, main_#t~mem229.offset, main_#t~mem230.base, main_#t~mem230.offset, main_#t~mem231.base, main_#t~mem231.offset, main_#t~mem232.base, main_#t~mem232.offset, main_#t~mem233.base, main_#t~mem233.offset, main_#t~mem234.base, main_#t~mem234.offset, main_~_hd_head~0.base, main_~_hd_head~0.offset, main_#t~mem235.base, main_#t~mem235.offset, main_#t~mem236, main_#t~post237, main_~_hd_bkt~0, main_~_hd_hh_del~0.base, main_~_hd_hh_del~0.offset, main_#t~ite196.base, main_#t~ite196.offset, main_#t~mem195.base, main_#t~mem195.offset, main_~#i~0.base, main_~#i~0.offset, main_~user~0.base, main_~user~0.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~users~0.base, main_~users~0.offset, main_~temp~0.base, main_~temp~0.offset;call main_~#i~0.base, main_~#i~0.offset := #Ultimate.allocOnStack(4);havoc main_~user~0.base, main_~user~0.offset;havoc main_~tmp~0.base, main_~tmp~0.offset;main_~users~0.base, main_~users~0.offset := 0, 0;call write~int(0, main_~#i~0.base, main_~#i~0.offset, 4); 1102#L2220-4true [2021-11-07 07:23:09,792 INFO L793 eck$LassoCheckResult]: Loop: 1102#L2220-4true call main_#t~mem9 := read~int(main_~#i~0.base, main_~#i~0.offset, 4); 134#L2220-1true assume !!(main_#t~mem9 < 1000);havoc main_#t~mem9;call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnHeap(40);main_~user~0.base, main_~user~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;havoc main_#t~malloc10.base, main_#t~malloc10.offset; 857#L2222true assume main_~user~0.base == 0 && main_~user~0.offset == 0;assume false; 506#L2222-2true call main_#t~mem11 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call write~int(main_#t~mem11, main_~user~0.base, main_~user~0.offset, 4);havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call main_#t~mem13 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call write~int(main_#t~mem12 * main_#t~mem13, main_~user~0.base, 4 + main_~user~0.offset, 4);havoc main_#t~mem12;havoc main_#t~mem13; 622#L2227-124true assume !true; 941#L2220-3true call main_#t~mem7 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);main_#t~post8 := main_#t~mem7;call write~int(1 + main_#t~post8, main_~#i~0.base, main_~#i~0.offset, 4);havoc main_#t~mem7;havoc main_#t~post8; 1102#L2220-4true [2021-11-07 07:23:09,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:23:09,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2021-11-07 07:23:09,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:23:09,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071652328] [2021-11-07 07:23:09,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:23:09,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:23:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:23:09,970 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:23:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:23:10,032 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:23:10,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:23:10,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1336134572, now seen corresponding path program 1 times [2021-11-07 07:23:10,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:23:10,037 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378627052] [2021-11-07 07:23:10,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:23:10,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:23:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:23:10,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:23:10,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:23:10,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378627052] [2021-11-07 07:23:10,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378627052] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:23:10,097 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:23:10,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 07:23:10,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074304871] [2021-11-07 07:23:10,104 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-07 07:23:10,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:23:10,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 07:23:10,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 07:23:10,128 INFO L87 Difference]: Start difference. First operand has 1189 states, 1184 states have (on average 1.9501689189189189) internal successors, (2309), 1184 states have internal predecessors, (2309), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:23:10,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:23:10,190 INFO L93 Difference]: Finished difference Result 1189 states and 1747 transitions. [2021-11-07 07:23:10,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 07:23:10,192 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1189 states and 1747 transitions. [2021-11-07 07:23:10,207 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1175 [2021-11-07 07:23:10,236 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1189 states to 1185 states and 1743 transitions. [2021-11-07 07:23:10,238 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1185 [2021-11-07 07:23:10,241 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1185 [2021-11-07 07:23:10,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1185 states and 1743 transitions. [2021-11-07 07:23:10,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:23:10,250 INFO L681 BuchiCegarLoop]: Abstraction has 1185 states and 1743 transitions. [2021-11-07 07:23:10,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states and 1743 transitions. [2021-11-07 07:23:10,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1185. [2021-11-07 07:23:10,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 1181 states have (on average 1.4707874682472482) internal successors, (1737), 1180 states have internal predecessors, (1737), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-07 07:23:10,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1743 transitions. [2021-11-07 07:23:10,352 INFO L704 BuchiCegarLoop]: Abstraction has 1185 states and 1743 transitions. [2021-11-07 07:23:10,352 INFO L587 BuchiCegarLoop]: Abstraction has 1185 states and 1743 transitions. [2021-11-07 07:23:10,353 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-07 07:23:10,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1185 states and 1743 transitions. [2021-11-07 07:23:10,362 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1175 [2021-11-07 07:23:10,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:23:10,362 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:23:10,364 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-07 07:23:10,364 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:23:10,364 INFO L791 eck$LassoCheckResult]: Stem: 3254#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string2.base, #t~string2.offset, 1);call write~init~int(0, #t~string2.base, 1 + #t~string2.offset, 1);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(21);~count_int_int~0 := 0; 3255#L-1 havoc main_#res;havoc main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem15, main_#t~mem14, main_#t~mem16, main_#t~mem17, main_#t~mem19, main_#t~mem18, main_#t~mem20, main_#t~mem21, main_#t~mem23, main_#t~mem22, main_#t~mem24, main_#t~mem25, main_#t~switch26, main_#t~mem27, main_#t~mem28, main_#t~mem29, main_#t~mem30, main_#t~mem31, main_#t~mem32, main_#t~mem33, main_#t~mem34, main_#t~mem35, main_#t~mem36, main_#t~mem37, main_~_hj_i~0, main_~_hj_j~0, main_~_hj_k~0, main_~_hj_key~0.base, main_~_hj_key~0.offset, main_#t~malloc38.base, main_#t~malloc38.offset, main_#t~mem39.base, main_#t~mem39.offset, main_#t~mem40.base, main_#t~mem40.offset, main_#t~memset~res41.base, main_#t~memset~res41.offset, main_#t~mem42.base, main_#t~mem42.offset, main_#t~mem43.base, main_#t~mem43.offset, main_#t~mem44.base, main_#t~mem44.offset, main_#t~mem45.base, main_#t~mem45.offset, main_#t~mem46.base, main_#t~mem46.offset, main_#t~malloc47.base, main_#t~malloc47.offset, main_#t~mem48.base, main_#t~mem48.offset, main_#t~mem49.base, main_#t~mem49.offset, main_#t~mem50.base, main_#t~mem50.offset, main_#t~mem51.base, main_#t~mem51.offset, main_#t~mem52.base, main_#t~mem52.offset, main_#t~mem53.base, main_#t~mem53.offset, main_#t~memset~res54.base, main_#t~memset~res54.offset, main_#t~mem55.base, main_#t~mem55.offset, main_#t~mem56.base, main_#t~mem56.offset, main_#t~mem57.base, main_#t~mem57.offset, main_#t~mem58.base, main_#t~mem58.offset, main_#t~mem59, main_#t~mem60.base, main_#t~mem60.offset, main_#t~mem61.base, main_#t~mem61.offset, main_#t~mem62.base, main_#t~mem62.offset, main_#t~mem63.base, main_#t~mem63.offset, main_#t~mem64, main_#t~post65, main_#t~mem66.base, main_#t~mem66.offset, main_#t~mem67, main_#t~mem68.base, main_#t~mem68.offset, main_#t~mem69.base, main_#t~mem69.offset, main_#t~mem70, main_#t~post71, main_#t~mem72.base, main_#t~mem72.offset, main_#t~mem73.base, main_#t~mem73.offset, main_#t~mem74.base, main_#t~mem74.offset, main_#t~mem76, main_#t~mem75, main_#t~mem77.base, main_#t~mem77.offset, main_#t~mem78, main_#t~short79, main_#t~mem80.base, main_#t~mem80.offset, main_#t~mem81, main_#t~malloc82.base, main_#t~malloc82.offset, main_#t~mem83.base, main_#t~mem83.offset, main_#t~mem84.base, main_#t~mem84.offset, main_#t~mem85.base, main_#t~mem85.offset, main_#t~mem86, main_#t~memset~res87.base, main_#t~memset~res87.offset, main_#t~mem88.base, main_#t~mem88.offset, main_#t~mem89.base, main_#t~mem89.offset, main_#t~mem92, main_#t~mem90.base, main_#t~mem90.offset, main_#t~mem91, main_#t~mem93.base, main_#t~mem93.offset, main_#t~mem96, main_#t~mem94.base, main_#t~mem94.offset, main_#t~mem95, main_#t~ite97, main_#t~mem98.base, main_#t~mem98.offset, main_#t~mem102.base, main_#t~mem102.offset, main_#t~mem103.base, main_#t~mem103.offset, main_#t~mem104.base, main_#t~mem104.offset, main_#t~mem105.base, main_#t~mem105.offset, main_#t~mem108, main_#t~mem106.base, main_#t~mem106.offset, main_#t~mem107, main_#t~mem109.base, main_#t~mem109.offset, main_#t~mem110, main_#t~pre111, main_#t~mem112.base, main_#t~mem112.offset, main_#t~mem113, main_#t~mem114.base, main_#t~mem114.offset, main_#t~mem115, main_#t~post116, main_#t~mem120, main_#t~mem118, main_#t~mem117.base, main_#t~mem117.offset, main_#t~mem119, main_#t~mem121, main_#t~post122, main_#t~mem123.base, main_#t~mem123.offset, main_#t~mem124.base, main_#t~mem124.offset, main_#t~mem125.base, main_#t~mem125.offset, main_#t~post99, main_#t~mem100.base, main_#t~mem100.offset, main_#t~mem101, main_#t~mem126.base, main_#t~mem126.offset, main_#t~mem127.base, main_#t~mem127.offset, main_#t~mem128.base, main_#t~mem128.offset, main_#t~mem129, main_#t~mem130.base, main_#t~mem130.offset, main_#t~mem131, main_#t~post132, main_#t~mem133.base, main_#t~mem133.offset, main_#t~mem134.base, main_#t~mem134.offset, main_#t~mem135.base, main_#t~mem135.offset, main_#t~mem136.base, main_#t~mem136.offset, main_#t~mem139, main_#t~mem137.base, main_#t~mem137.offset, main_#t~mem138, main_#t~ite142, main_#t~mem140.base, main_#t~mem140.offset, main_#t~mem141, main_#t~mem143.base, main_#t~mem143.offset, main_#t~mem144, main_#t~mem145.base, main_#t~mem145.offset, main_~_he_bkt~0, main_~_he_bkt_i~0, main_~_he_thh~0.base, main_~_he_thh~0.offset, main_~_he_hh_nxt~0.base, main_~_he_hh_nxt~0.offset, main_~#_he_new_buckets~0.base, main_~#_he_new_buckets~0.offset, main_~_he_newbkt~0.base, main_~_he_newbkt~0.offset, main_~_ha_head~0.base, main_~_ha_head~0.offset, main_~_ha_bkt~0, main_~_ha_hashv~0, main_#t~mem7, main_#t~post8, main_#t~mem9, main_#t~mem149, main_#t~mem148, main_#t~mem150, main_#t~mem151, main_#t~mem153, main_#t~mem152, main_#t~mem154, main_#t~mem155, main_#t~mem157, main_#t~mem156, main_#t~mem158, main_#t~mem159, main_#t~switch160, main_#t~mem161, main_#t~mem162, main_#t~mem163, main_#t~mem164, main_#t~mem165, main_#t~mem166, main_#t~mem167, main_#t~mem168, main_#t~mem169, main_#t~mem170, main_#t~mem171, main_~_hj_i~1, main_~_hj_j~1, main_~_hj_k~1, main_~_hj_key~1.base, main_~_hj_key~1.offset, main_#t~mem172.base, main_#t~mem172.offset, main_#t~mem173, main_#t~mem174.base, main_#t~mem174.offset, main_#t~mem175.base, main_#t~mem175.offset, main_#t~mem176.base, main_#t~mem176.offset, main_#t~mem177.base, main_#t~mem177.offset, main_#t~mem178.base, main_#t~mem178.offset, main_#t~mem179.base, main_#t~mem179.offset, main_#t~mem180.base, main_#t~mem180.offset, main_#t~mem181, main_#t~mem182, main_#t~mem183, main_#t~short184, main_#t~mem185.base, main_#t~mem185.offset, main_#t~ret186, main_#t~mem187.base, main_#t~mem187.offset, main_#t~mem188.base, main_#t~mem188.offset, main_#t~mem189.base, main_#t~mem189.offset, main_#t~mem190, main_~_hf_bkt~0, main_~_hf_hashv~0, main_#t~mem191, main_#t~mem192, main_#t~mem146, main_#t~mem147, main_#t~ite194.base, main_#t~ite194.offset, main_#t~mem193.base, main_#t~mem193.offset, main_#t~mem197.base, main_#t~mem197.offset, main_#t~mem198.base, main_#t~mem198.offset, main_#t~short199, main_#t~mem200.base, main_#t~mem200.offset, main_#t~mem201.base, main_#t~mem201.offset, main_#t~mem202.base, main_#t~mem202.offset, main_#t~mem203.base, main_#t~mem203.offset, main_#t~mem204.base, main_#t~mem204.offset, main_#t~mem205.base, main_#t~mem205.offset, main_#t~mem206.base, main_#t~mem206.offset, main_#t~mem207.base, main_#t~mem207.offset, main_#t~mem208, main_#t~mem209.base, main_#t~mem209.offset, main_#t~mem210.base, main_#t~mem210.offset, main_#t~mem211.base, main_#t~mem211.offset, main_#t~mem212, main_#t~mem213.base, main_#t~mem213.offset, main_#t~mem214.base, main_#t~mem214.offset, main_#t~mem215.base, main_#t~mem215.offset, main_#t~mem216.base, main_#t~mem216.offset, main_#t~mem217.base, main_#t~mem217.offset, main_#t~mem218, main_#t~mem219.base, main_#t~mem219.offset, main_#t~mem222, main_#t~mem220.base, main_#t~mem220.offset, main_#t~mem221, main_#t~mem223.base, main_#t~mem223.offset, main_#t~mem224.base, main_#t~mem224.offset, main_#t~mem225, main_#t~post226, main_#t~mem227.base, main_#t~mem227.offset, main_#t~mem228.base, main_#t~mem228.offset, main_#t~mem229.base, main_#t~mem229.offset, main_#t~mem230.base, main_#t~mem230.offset, main_#t~mem231.base, main_#t~mem231.offset, main_#t~mem232.base, main_#t~mem232.offset, main_#t~mem233.base, main_#t~mem233.offset, main_#t~mem234.base, main_#t~mem234.offset, main_~_hd_head~0.base, main_~_hd_head~0.offset, main_#t~mem235.base, main_#t~mem235.offset, main_#t~mem236, main_#t~post237, main_~_hd_bkt~0, main_~_hd_hh_del~0.base, main_~_hd_hh_del~0.offset, main_#t~ite196.base, main_#t~ite196.offset, main_#t~mem195.base, main_#t~mem195.offset, main_~#i~0.base, main_~#i~0.offset, main_~user~0.base, main_~user~0.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~users~0.base, main_~users~0.offset, main_~temp~0.base, main_~temp~0.offset;call main_~#i~0.base, main_~#i~0.offset := #Ultimate.allocOnStack(4);havoc main_~user~0.base, main_~user~0.offset;havoc main_~tmp~0.base, main_~tmp~0.offset;main_~users~0.base, main_~users~0.offset := 0, 0;call write~int(0, main_~#i~0.base, main_~#i~0.offset, 4); 3519#L2220-4 [2021-11-07 07:23:10,367 INFO L793 eck$LassoCheckResult]: Loop: 3519#L2220-4 call main_#t~mem9 := read~int(main_~#i~0.base, main_~#i~0.offset, 4); 2634#L2220-1 assume !!(main_#t~mem9 < 1000);havoc main_#t~mem9;call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnHeap(40);main_~user~0.base, main_~user~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;havoc main_#t~malloc10.base, main_#t~malloc10.offset; 2636#L2222 assume !(main_~user~0.base == 0 && main_~user~0.offset == 0); 3180#L2222-2 call main_#t~mem11 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call write~int(main_#t~mem11, main_~user~0.base, main_~user~0.offset, 4);havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call main_#t~mem13 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call write~int(main_#t~mem12 * main_#t~mem13, main_~user~0.base, 4 + main_~user~0.offset, 4);havoc main_#t~mem12;havoc main_#t~mem13; 3181#L2227-124 havoc main_~_ha_hashv~0; 2820#L2227-49 goto; 2821#L2227-47 havoc main_~_hj_i~0;havoc main_~_hj_j~0;havoc main_~_hj_k~0;main_~_hj_key~0.base, main_~_hj_key~0.offset := main_~user~0.base, main_~user~0.offset;main_~_ha_hashv~0 := 4276993775;main_~_hj_j~0 := 2654435769;main_~_hj_i~0 := main_~_hj_j~0;main_~_hj_k~0 := 4; 3147#L2227-8 assume !(main_~_hj_k~0 % 4294967296 >= 12); 3176#L2227-9 main_~_ha_hashv~0 := 4 + main_~_ha_hashv~0;main_#t~switch26 := 11 == main_~_hj_k~0; 2929#L2227-10 assume main_#t~switch26;call main_#t~mem27 := read~int(main_~_hj_key~0.base, 10 + main_~_hj_key~0.offset, 1);main_~_ha_hashv~0 := main_~_ha_hashv~0 + 16777216 * (main_#t~mem27 % 256);havoc main_#t~mem27; 2930#L2227-12 main_#t~switch26 := main_#t~switch26 || 10 == main_~_hj_k~0; 3221#L2227-13 assume main_#t~switch26;call main_#t~mem28 := read~int(main_~_hj_key~0.base, 9 + main_~_hj_key~0.offset, 1);main_~_ha_hashv~0 := main_~_ha_hashv~0 + 65536 * (main_#t~mem28 % 256);havoc main_#t~mem28; 3251#L2227-15 main_#t~switch26 := main_#t~switch26 || 9 == main_~_hj_k~0; 2586#L2227-16 assume main_#t~switch26;call main_#t~mem29 := read~int(main_~_hj_key~0.base, 8 + main_~_hj_key~0.offset, 1);main_~_ha_hashv~0 := main_~_ha_hashv~0 + 256 * (main_#t~mem29 % 256);havoc main_#t~mem29; 2587#L2227-18 main_#t~switch26 := main_#t~switch26 || 8 == main_~_hj_k~0; 3509#L2227-19 assume main_#t~switch26;call main_#t~mem30 := read~int(main_~_hj_key~0.base, 7 + main_~_hj_key~0.offset, 1);main_~_hj_j~0 := main_~_hj_j~0 + 16777216 * (main_#t~mem30 % 256);havoc main_#t~mem30; 3540#L2227-21 main_#t~switch26 := main_#t~switch26 || 7 == main_~_hj_k~0; 3516#L2227-22 assume !main_#t~switch26; 3517#L2227-24 main_#t~switch26 := main_#t~switch26 || 6 == main_~_hj_k~0; 3307#L2227-25 assume main_#t~switch26;call main_#t~mem32 := read~int(main_~_hj_key~0.base, 5 + main_~_hj_key~0.offset, 1);main_~_hj_j~0 := main_~_hj_j~0 + 256 * (main_#t~mem32 % 256);havoc main_#t~mem32; 3246#L2227-27 main_#t~switch26 := main_#t~switch26 || 5 == main_~_hj_k~0; 3247#L2227-28 assume main_#t~switch26;call main_#t~mem33 := read~int(main_~_hj_key~0.base, 4 + main_~_hj_key~0.offset, 1);main_~_hj_j~0 := main_~_hj_j~0 + main_#t~mem33 % 256;havoc main_#t~mem33; 3442#L2227-30 main_#t~switch26 := main_#t~switch26 || 4 == main_~_hj_k~0; 2612#L2227-31 assume main_#t~switch26;call main_#t~mem34 := read~int(main_~_hj_key~0.base, 3 + main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + 16777216 * (main_#t~mem34 % 256);havoc main_#t~mem34; 2613#L2227-33 main_#t~switch26 := main_#t~switch26 || 3 == main_~_hj_k~0; 2974#L2227-34 assume main_#t~switch26;call main_#t~mem35 := read~int(main_~_hj_key~0.base, 2 + main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + 65536 * (main_#t~mem35 % 256);havoc main_#t~mem35; 3231#L2227-36 main_#t~switch26 := main_#t~switch26 || 2 == main_~_hj_k~0; 2940#L2227-37 assume main_#t~switch26;call main_#t~mem36 := read~int(main_~_hj_key~0.base, 1 + main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + 256 * (main_#t~mem36 % 256);havoc main_#t~mem36; 2941#L2227-39 main_#t~switch26 := main_#t~switch26 || 1 == main_~_hj_k~0; 2406#L2227-40 assume main_#t~switch26;call main_#t~mem37 := read~int(main_~_hj_key~0.base, main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + main_#t~mem37 % 256;havoc main_#t~mem37; 2407#L2227-42 havoc main_#t~switch26; 2745#L2227-45 main_~_hj_i~0 := main_~_hj_i~0 - main_~_hj_j~0;main_~_hj_i~0 := main_~_hj_i~0 - main_~_ha_hashv~0;main_~_hj_i~0 := ~bitwiseXor(main_~_hj_i~0, main_~_ha_hashv~0 / 8192);main_~_hj_j~0 := main_~_hj_j~0 - main_~_ha_hashv~0;main_~_hj_j~0 := main_~_hj_j~0 - main_~_hj_i~0;main_~_hj_j~0 := ~bitwiseXor(main_~_hj_j~0, 256 * main_~_hj_i~0);main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_i~0;main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_j~0;main_~_ha_hashv~0 := ~bitwiseXor(main_~_ha_hashv~0, main_~_hj_j~0 / 8192);main_~_hj_i~0 := main_~_hj_i~0 - main_~_hj_j~0;main_~_hj_i~0 := main_~_hj_i~0 - main_~_ha_hashv~0;main_~_hj_i~0 := ~bitwiseXor(main_~_hj_i~0, main_~_ha_hashv~0 / 4096);main_~_hj_j~0 := main_~_hj_j~0 - main_~_ha_hashv~0;main_~_hj_j~0 := main_~_hj_j~0 - main_~_hj_i~0;main_~_hj_j~0 := ~bitwiseXor(main_~_hj_j~0, 65536 * main_~_hj_i~0);main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_i~0;main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_j~0;main_~_ha_hashv~0 := ~bitwiseXor(main_~_ha_hashv~0, main_~_hj_j~0 / 32);main_~_hj_i~0 := main_~_hj_i~0 - main_~_hj_j~0;main_~_hj_i~0 := main_~_hj_i~0 - main_~_ha_hashv~0;main_~_hj_i~0 := ~bitwiseXor(main_~_hj_i~0, main_~_ha_hashv~0 / 8);main_~_hj_j~0 := main_~_hj_j~0 - main_~_ha_hashv~0;main_~_hj_j~0 := main_~_hj_j~0 - main_~_hj_i~0;main_~_hj_j~0 := ~bitwiseXor(main_~_hj_j~0, 1024 * main_~_hj_i~0);main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_i~0;main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_j~0;main_~_ha_hashv~0 := ~bitwiseXor(main_~_ha_hashv~0, main_~_hj_j~0 / 32768); 3334#L2227-44 goto; 3209#L2227-46 goto; 3041#L2227-48 goto; 3042#L2227-122 call write~int(main_~_ha_hashv~0, main_~user~0.base, 36 + main_~user~0.offset, 4);call write~$Pointer$(main_~user~0.base, main_~user~0.offset, main_~user~0.base, 28 + main_~user~0.offset, 4);call write~int(4, main_~user~0.base, 32 + main_~user~0.offset, 4); 2582#L2227-51 assume !(main_~users~0.base == 0 && main_~users~0.offset == 0);call main_#t~mem55.base, main_#t~mem55.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call write~$Pointer$(main_#t~mem55.base, main_#t~mem55.offset, main_~user~0.base, 8 + main_~user~0.offset, 4);havoc main_#t~mem55.base, main_#t~mem55.offset; 2583#L2227-67 call write~$Pointer$(0, 0, main_~user~0.base, 16 + main_~user~0.offset, 4);call main_#t~mem56.base, main_#t~mem56.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem57.base, main_#t~mem57.offset := read~$Pointer$(main_#t~mem56.base, 16 + main_#t~mem56.offset, 4);call main_#t~mem58.base, main_#t~mem58.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem59 := read~int(main_#t~mem58.base, 20 + main_#t~mem58.offset, 4);call write~$Pointer$(main_#t~mem57.base, main_#t~mem57.offset - main_#t~mem59, main_~user~0.base, 12 + main_~user~0.offset, 4);havoc main_#t~mem56.base, main_#t~mem56.offset;havoc main_#t~mem57.base, main_#t~mem57.offset;havoc main_#t~mem58.base, main_#t~mem58.offset;havoc main_#t~mem59;call main_#t~mem60.base, main_#t~mem60.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem61.base, main_#t~mem61.offset := read~$Pointer$(main_#t~mem60.base, 16 + main_#t~mem60.offset, 4);call write~$Pointer$(main_~user~0.base, main_~user~0.offset, main_#t~mem61.base, 8 + main_#t~mem61.offset, 4);havoc main_#t~mem60.base, main_#t~mem60.offset;havoc main_#t~mem61.base, main_#t~mem61.offset;call main_#t~mem62.base, main_#t~mem62.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call write~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, main_#t~mem62.base, 16 + main_#t~mem62.offset, 4);havoc main_#t~mem62.base, main_#t~mem62.offset; 3260#L2227-66 goto; 3261#L2227-120 havoc main_~_ha_bkt~0;call main_#t~mem63.base, main_#t~mem63.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem64 := read~int(main_#t~mem63.base, 12 + main_#t~mem63.offset, 4);main_#t~post65 := main_#t~mem64;call write~int(1 + main_#t~post65, main_#t~mem63.base, 12 + main_#t~mem63.offset, 4);havoc main_#t~mem63.base, main_#t~mem63.offset;havoc main_#t~mem64;havoc main_#t~post65; 3324#L2227-71 call main_#t~mem66.base, main_#t~mem66.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem67 := read~int(main_#t~mem66.base, 4 + main_#t~mem66.offset, 4);main_~_ha_bkt~0 := ~bitwiseAnd(main_~_ha_hashv~0, main_#t~mem67 - 1);havoc main_#t~mem66.base, main_#t~mem66.offset;havoc main_#t~mem67; 3303#L2227-70 goto; 3304#L2227-118 call main_#t~mem68.base, main_#t~mem68.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem69.base, main_#t~mem69.offset := read~$Pointer$(main_#t~mem68.base, main_#t~mem68.offset, 4);main_~_ha_head~0.base, main_~_ha_head~0.offset := main_#t~mem69.base, main_#t~mem69.offset + 12 * (if main_~_ha_bkt~0 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0 % 4294967296 % 4294967296 else main_~_ha_bkt~0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem68.base, main_#t~mem68.offset;havoc main_#t~mem69.base, main_#t~mem69.offset;call main_#t~mem70 := read~int(main_~_ha_head~0.base, 4 + main_~_ha_head~0.offset, 4);main_#t~post71 := main_#t~mem70;call write~int(1 + main_#t~post71, main_~_ha_head~0.base, 4 + main_~_ha_head~0.offset, 4);havoc main_#t~mem70;havoc main_#t~post71;call main_#t~mem72.base, main_#t~mem72.offset := read~$Pointer$(main_~_ha_head~0.base, main_~_ha_head~0.offset, 4);call write~$Pointer$(main_#t~mem72.base, main_#t~mem72.offset, main_~user~0.base, 24 + main_~user~0.offset, 4);havoc main_#t~mem72.base, main_#t~mem72.offset;call write~$Pointer$(0, 0, main_~user~0.base, 20 + main_~user~0.offset, 4);call main_#t~mem73.base, main_#t~mem73.offset := read~$Pointer$(main_~_ha_head~0.base, main_~_ha_head~0.offset, 4); 3289#L2227-73 assume main_#t~mem73.base != 0 || main_#t~mem73.offset != 0;havoc main_#t~mem73.base, main_#t~mem73.offset;call main_#t~mem74.base, main_#t~mem74.offset := read~$Pointer$(main_~_ha_head~0.base, main_~_ha_head~0.offset, 4);call write~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, main_#t~mem74.base, 12 + main_#t~mem74.offset, 4);havoc main_#t~mem74.base, main_#t~mem74.offset; 3290#L2227-75 call write~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, main_~_ha_head~0.base, main_~_ha_head~0.offset, 4);call main_#t~mem76 := read~int(main_~_ha_head~0.base, 4 + main_~_ha_head~0.offset, 4);call main_#t~mem75 := read~int(main_~_ha_head~0.base, 8 + main_~_ha_head~0.offset, 4);main_#t~short79 := main_#t~mem76 % 4294967296 >= 10 * (1 + main_#t~mem75) % 4294967296; 2889#L2227-76 assume main_#t~short79;call main_#t~mem77.base, main_#t~mem77.offset := read~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, 4);call main_#t~mem78 := read~int(main_#t~mem77.base, 36 + main_#t~mem77.offset, 4);main_#t~short79 := 0 == main_#t~mem78 % 4294967296; 2890#L2227-78 assume !main_#t~short79;havoc main_#t~mem76;havoc main_#t~mem75;havoc main_#t~mem77.base, main_#t~mem77.offset;havoc main_#t~mem78;havoc main_#t~short79; 2793#L2227-117 goto; 2794#L2227-119 goto; 3541#L2227-121 goto; 3492#L2227-123 goto; 3493#L2220-3 call main_#t~mem7 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);main_#t~post8 := main_#t~mem7;call write~int(1 + main_#t~post8, main_~#i~0.base, main_~#i~0.offset, 4);havoc main_#t~mem7;havoc main_#t~post8; 3519#L2220-4 [2021-11-07 07:23:10,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:23:10,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2021-11-07 07:23:10,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:23:10,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774799334] [2021-11-07 07:23:10,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:23:10,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:23:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:23:10,398 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:23:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:23:10,458 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:23:10,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:23:10,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1570577107, now seen corresponding path program 1 times [2021-11-07 07:23:10,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:23:10,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008416755] [2021-11-07 07:23:10,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:23:10,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:23:10,484 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 07:23:10,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1911071133] [2021-11-07 07:23:10,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:23:10,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:23:10,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:23:10,488 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:23:10,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 07:23:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:23:10,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 07:23:10,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:23:10,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:23:10,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:23:10,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008416755] [2021-11-07 07:23:10,980 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 07:23:10,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911071133] [2021-11-07 07:23:10,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911071133] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:23:10,981 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:23:10,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 07:23:10,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510782020] [2021-11-07 07:23:10,982 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-07 07:23:10,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:23:10,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:23:10,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:23:10,984 INFO L87 Difference]: Start difference. First operand 1185 states and 1743 transitions. cyclomatic complexity: 562 Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:23:11,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:23:11,170 INFO L93 Difference]: Finished difference Result 1206 states and 1764 transitions. [2021-11-07 07:23:11,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:23:11,171 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1206 states and 1764 transitions. [2021-11-07 07:23:11,186 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1196 [2021-11-07 07:23:11,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1206 states to 1206 states and 1764 transitions. [2021-11-07 07:23:11,205 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1206 [2021-11-07 07:23:11,210 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1206 [2021-11-07 07:23:11,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1206 states and 1764 transitions. [2021-11-07 07:23:11,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:23:11,215 INFO L681 BuchiCegarLoop]: Abstraction has 1206 states and 1764 transitions. [2021-11-07 07:23:11,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states and 1764 transitions. [2021-11-07 07:23:11,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 1205. [2021-11-07 07:23:11,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1205 states, 1201 states have (on average 1.462947543713572) internal successors, (1757), 1200 states have internal predecessors, (1757), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-07 07:23:11,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1763 transitions. [2021-11-07 07:23:11,259 INFO L704 BuchiCegarLoop]: Abstraction has 1205 states and 1763 transitions. [2021-11-07 07:23:11,259 INFO L587 BuchiCegarLoop]: Abstraction has 1205 states and 1763 transitions. [2021-11-07 07:23:11,259 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-07 07:23:11,259 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1205 states and 1763 transitions. [2021-11-07 07:23:11,269 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1195 [2021-11-07 07:23:11,269 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:23:11,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:23:11,273 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-07 07:23:11,274 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:23:11,274 INFO L791 eck$LassoCheckResult]: Stem: 5806#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string2.base, #t~string2.offset, 1);call write~init~int(0, #t~string2.base, 1 + #t~string2.offset, 1);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(21);~count_int_int~0 := 0; 5807#L-1 havoc main_#res;havoc main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem15, main_#t~mem14, main_#t~mem16, main_#t~mem17, main_#t~mem19, main_#t~mem18, main_#t~mem20, main_#t~mem21, main_#t~mem23, main_#t~mem22, main_#t~mem24, main_#t~mem25, main_#t~switch26, main_#t~mem27, main_#t~mem28, main_#t~mem29, main_#t~mem30, main_#t~mem31, main_#t~mem32, main_#t~mem33, main_#t~mem34, main_#t~mem35, main_#t~mem36, main_#t~mem37, main_~_hj_i~0, main_~_hj_j~0, main_~_hj_k~0, main_~_hj_key~0.base, main_~_hj_key~0.offset, main_#t~malloc38.base, main_#t~malloc38.offset, main_#t~mem39.base, main_#t~mem39.offset, main_#t~mem40.base, main_#t~mem40.offset, main_#t~memset~res41.base, main_#t~memset~res41.offset, main_#t~mem42.base, main_#t~mem42.offset, main_#t~mem43.base, main_#t~mem43.offset, main_#t~mem44.base, main_#t~mem44.offset, main_#t~mem45.base, main_#t~mem45.offset, main_#t~mem46.base, main_#t~mem46.offset, main_#t~malloc47.base, main_#t~malloc47.offset, main_#t~mem48.base, main_#t~mem48.offset, main_#t~mem49.base, main_#t~mem49.offset, main_#t~mem50.base, main_#t~mem50.offset, main_#t~mem51.base, main_#t~mem51.offset, main_#t~mem52.base, main_#t~mem52.offset, main_#t~mem53.base, main_#t~mem53.offset, main_#t~memset~res54.base, main_#t~memset~res54.offset, main_#t~mem55.base, main_#t~mem55.offset, main_#t~mem56.base, main_#t~mem56.offset, main_#t~mem57.base, main_#t~mem57.offset, main_#t~mem58.base, main_#t~mem58.offset, main_#t~mem59, main_#t~mem60.base, main_#t~mem60.offset, main_#t~mem61.base, main_#t~mem61.offset, main_#t~mem62.base, main_#t~mem62.offset, main_#t~mem63.base, main_#t~mem63.offset, main_#t~mem64, main_#t~post65, main_#t~mem66.base, main_#t~mem66.offset, main_#t~mem67, main_#t~mem68.base, main_#t~mem68.offset, main_#t~mem69.base, main_#t~mem69.offset, main_#t~mem70, main_#t~post71, main_#t~mem72.base, main_#t~mem72.offset, main_#t~mem73.base, main_#t~mem73.offset, main_#t~mem74.base, main_#t~mem74.offset, main_#t~mem76, main_#t~mem75, main_#t~mem77.base, main_#t~mem77.offset, main_#t~mem78, main_#t~short79, main_#t~mem80.base, main_#t~mem80.offset, main_#t~mem81, main_#t~malloc82.base, main_#t~malloc82.offset, main_#t~mem83.base, main_#t~mem83.offset, main_#t~mem84.base, main_#t~mem84.offset, main_#t~mem85.base, main_#t~mem85.offset, main_#t~mem86, main_#t~memset~res87.base, main_#t~memset~res87.offset, main_#t~mem88.base, main_#t~mem88.offset, main_#t~mem89.base, main_#t~mem89.offset, main_#t~mem92, main_#t~mem90.base, main_#t~mem90.offset, main_#t~mem91, main_#t~mem93.base, main_#t~mem93.offset, main_#t~mem96, main_#t~mem94.base, main_#t~mem94.offset, main_#t~mem95, main_#t~ite97, main_#t~mem98.base, main_#t~mem98.offset, main_#t~mem102.base, main_#t~mem102.offset, main_#t~mem103.base, main_#t~mem103.offset, main_#t~mem104.base, main_#t~mem104.offset, main_#t~mem105.base, main_#t~mem105.offset, main_#t~mem108, main_#t~mem106.base, main_#t~mem106.offset, main_#t~mem107, main_#t~mem109.base, main_#t~mem109.offset, main_#t~mem110, main_#t~pre111, main_#t~mem112.base, main_#t~mem112.offset, main_#t~mem113, main_#t~mem114.base, main_#t~mem114.offset, main_#t~mem115, main_#t~post116, main_#t~mem120, main_#t~mem118, main_#t~mem117.base, main_#t~mem117.offset, main_#t~mem119, main_#t~mem121, main_#t~post122, main_#t~mem123.base, main_#t~mem123.offset, main_#t~mem124.base, main_#t~mem124.offset, main_#t~mem125.base, main_#t~mem125.offset, main_#t~post99, main_#t~mem100.base, main_#t~mem100.offset, main_#t~mem101, main_#t~mem126.base, main_#t~mem126.offset, main_#t~mem127.base, main_#t~mem127.offset, main_#t~mem128.base, main_#t~mem128.offset, main_#t~mem129, main_#t~mem130.base, main_#t~mem130.offset, main_#t~mem131, main_#t~post132, main_#t~mem133.base, main_#t~mem133.offset, main_#t~mem134.base, main_#t~mem134.offset, main_#t~mem135.base, main_#t~mem135.offset, main_#t~mem136.base, main_#t~mem136.offset, main_#t~mem139, main_#t~mem137.base, main_#t~mem137.offset, main_#t~mem138, main_#t~ite142, main_#t~mem140.base, main_#t~mem140.offset, main_#t~mem141, main_#t~mem143.base, main_#t~mem143.offset, main_#t~mem144, main_#t~mem145.base, main_#t~mem145.offset, main_~_he_bkt~0, main_~_he_bkt_i~0, main_~_he_thh~0.base, main_~_he_thh~0.offset, main_~_he_hh_nxt~0.base, main_~_he_hh_nxt~0.offset, main_~#_he_new_buckets~0.base, main_~#_he_new_buckets~0.offset, main_~_he_newbkt~0.base, main_~_he_newbkt~0.offset, main_~_ha_head~0.base, main_~_ha_head~0.offset, main_~_ha_bkt~0, main_~_ha_hashv~0, main_#t~mem7, main_#t~post8, main_#t~mem9, main_#t~mem149, main_#t~mem148, main_#t~mem150, main_#t~mem151, main_#t~mem153, main_#t~mem152, main_#t~mem154, main_#t~mem155, main_#t~mem157, main_#t~mem156, main_#t~mem158, main_#t~mem159, main_#t~switch160, main_#t~mem161, main_#t~mem162, main_#t~mem163, main_#t~mem164, main_#t~mem165, main_#t~mem166, main_#t~mem167, main_#t~mem168, main_#t~mem169, main_#t~mem170, main_#t~mem171, main_~_hj_i~1, main_~_hj_j~1, main_~_hj_k~1, main_~_hj_key~1.base, main_~_hj_key~1.offset, main_#t~mem172.base, main_#t~mem172.offset, main_#t~mem173, main_#t~mem174.base, main_#t~mem174.offset, main_#t~mem175.base, main_#t~mem175.offset, main_#t~mem176.base, main_#t~mem176.offset, main_#t~mem177.base, main_#t~mem177.offset, main_#t~mem178.base, main_#t~mem178.offset, main_#t~mem179.base, main_#t~mem179.offset, main_#t~mem180.base, main_#t~mem180.offset, main_#t~mem181, main_#t~mem182, main_#t~mem183, main_#t~short184, main_#t~mem185.base, main_#t~mem185.offset, main_#t~ret186, main_#t~mem187.base, main_#t~mem187.offset, main_#t~mem188.base, main_#t~mem188.offset, main_#t~mem189.base, main_#t~mem189.offset, main_#t~mem190, main_~_hf_bkt~0, main_~_hf_hashv~0, main_#t~mem191, main_#t~mem192, main_#t~mem146, main_#t~mem147, main_#t~ite194.base, main_#t~ite194.offset, main_#t~mem193.base, main_#t~mem193.offset, main_#t~mem197.base, main_#t~mem197.offset, main_#t~mem198.base, main_#t~mem198.offset, main_#t~short199, main_#t~mem200.base, main_#t~mem200.offset, main_#t~mem201.base, main_#t~mem201.offset, main_#t~mem202.base, main_#t~mem202.offset, main_#t~mem203.base, main_#t~mem203.offset, main_#t~mem204.base, main_#t~mem204.offset, main_#t~mem205.base, main_#t~mem205.offset, main_#t~mem206.base, main_#t~mem206.offset, main_#t~mem207.base, main_#t~mem207.offset, main_#t~mem208, main_#t~mem209.base, main_#t~mem209.offset, main_#t~mem210.base, main_#t~mem210.offset, main_#t~mem211.base, main_#t~mem211.offset, main_#t~mem212, main_#t~mem213.base, main_#t~mem213.offset, main_#t~mem214.base, main_#t~mem214.offset, main_#t~mem215.base, main_#t~mem215.offset, main_#t~mem216.base, main_#t~mem216.offset, main_#t~mem217.base, main_#t~mem217.offset, main_#t~mem218, main_#t~mem219.base, main_#t~mem219.offset, main_#t~mem222, main_#t~mem220.base, main_#t~mem220.offset, main_#t~mem221, main_#t~mem223.base, main_#t~mem223.offset, main_#t~mem224.base, main_#t~mem224.offset, main_#t~mem225, main_#t~post226, main_#t~mem227.base, main_#t~mem227.offset, main_#t~mem228.base, main_#t~mem228.offset, main_#t~mem229.base, main_#t~mem229.offset, main_#t~mem230.base, main_#t~mem230.offset, main_#t~mem231.base, main_#t~mem231.offset, main_#t~mem232.base, main_#t~mem232.offset, main_#t~mem233.base, main_#t~mem233.offset, main_#t~mem234.base, main_#t~mem234.offset, main_~_hd_head~0.base, main_~_hd_head~0.offset, main_#t~mem235.base, main_#t~mem235.offset, main_#t~mem236, main_#t~post237, main_~_hd_bkt~0, main_~_hd_hh_del~0.base, main_~_hd_hh_del~0.offset, main_#t~ite196.base, main_#t~ite196.offset, main_#t~mem195.base, main_#t~mem195.offset, main_~#i~0.base, main_~#i~0.offset, main_~user~0.base, main_~user~0.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~users~0.base, main_~users~0.offset, main_~temp~0.base, main_~temp~0.offset;call main_~#i~0.base, main_~#i~0.offset := #Ultimate.allocOnStack(4);havoc main_~user~0.base, main_~user~0.offset;havoc main_~tmp~0.base, main_~tmp~0.offset;main_~users~0.base, main_~users~0.offset := 0, 0;call write~int(0, main_~#i~0.base, main_~#i~0.offset, 4); 6078#L2220-4 [2021-11-07 07:23:11,275 INFO L793 eck$LassoCheckResult]: Loop: 6078#L2220-4 call main_#t~mem9 := read~int(main_~#i~0.base, main_~#i~0.offset, 4); 5186#L2220-1 assume !!(main_#t~mem9 < 1000);havoc main_#t~mem9;call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnHeap(40);main_~user~0.base, main_~user~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;havoc main_#t~malloc10.base, main_#t~malloc10.offset; 5188#L2222 assume !(main_~user~0.base == 0 && main_~user~0.offset == 0); 5731#L2222-2 call main_#t~mem11 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call write~int(main_#t~mem11, main_~user~0.base, main_~user~0.offset, 4);havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call main_#t~mem13 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call write~int(main_#t~mem12 * main_#t~mem13, main_~user~0.base, 4 + main_~user~0.offset, 4);havoc main_#t~mem12;havoc main_#t~mem13; 5732#L2227-124 havoc main_~_ha_hashv~0; 5375#L2227-49 goto; 5376#L2227-47 havoc main_~_hj_i~0;havoc main_~_hj_j~0;havoc main_~_hj_k~0;main_~_hj_key~0.base, main_~_hj_key~0.offset := main_~user~0.base, main_~user~0.offset;main_~_ha_hashv~0 := 4276993775;main_~_hj_j~0 := 2654435769;main_~_hj_i~0 := main_~_hj_j~0;main_~_hj_k~0 := 4; 5698#L2227-8 assume !(main_~_hj_k~0 % 4294967296 >= 12); 5727#L2227-9 main_~_ha_hashv~0 := 4 + main_~_ha_hashv~0;main_#t~switch26 := 11 == main_~_hj_k~0; 5479#L2227-10 assume main_#t~switch26;call main_#t~mem27 := read~int(main_~_hj_key~0.base, 10 + main_~_hj_key~0.offset, 1);main_~_ha_hashv~0 := main_~_ha_hashv~0 + 16777216 * (main_#t~mem27 % 256);havoc main_#t~mem27; 5480#L2227-12 main_#t~switch26 := main_#t~switch26 || 10 == main_~_hj_k~0; 6051#L2227-13 assume main_#t~switch26;call main_#t~mem28 := read~int(main_~_hj_key~0.base, 9 + main_~_hj_key~0.offset, 1);main_~_ha_hashv~0 := main_~_ha_hashv~0 + 65536 * (main_#t~mem28 % 256);havoc main_#t~mem28; 6052#L2227-15 main_#t~switch26 := main_#t~switch26 || 9 == main_~_hj_k~0; 5136#L2227-16 assume main_#t~switch26;call main_#t~mem29 := read~int(main_~_hj_key~0.base, 8 + main_~_hj_key~0.offset, 1);main_~_ha_hashv~0 := main_~_ha_hashv~0 + 256 * (main_#t~mem29 % 256);havoc main_#t~mem29; 5137#L2227-18 main_#t~switch26 := main_#t~switch26 || 8 == main_~_hj_k~0; 6123#L2227-19 assume main_#t~switch26;call main_#t~mem30 := read~int(main_~_hj_key~0.base, 7 + main_~_hj_key~0.offset, 1);main_~_hj_j~0 := main_~_hj_j~0 + 16777216 * (main_#t~mem30 % 256);havoc main_#t~mem30; 6099#L2227-21 main_#t~switch26 := main_#t~switch26 || 7 == main_~_hj_k~0; 6075#L2227-22 assume main_#t~switch26;call main_#t~mem31 := read~int(main_~_hj_key~0.base, 6 + main_~_hj_key~0.offset, 1);main_~_hj_j~0 := main_~_hj_j~0 + 65536 * (main_#t~mem31 % 256);havoc main_#t~mem31; 6076#L2227-24 main_#t~switch26 := main_#t~switch26 || 6 == main_~_hj_k~0; 5859#L2227-25 assume main_#t~switch26;call main_#t~mem32 := read~int(main_~_hj_key~0.base, 5 + main_~_hj_key~0.offset, 1);main_~_hj_j~0 := main_~_hj_j~0 + 256 * (main_#t~mem32 % 256);havoc main_#t~mem32; 5860#L2227-27 main_#t~switch26 := main_#t~switch26 || 5 == main_~_hj_k~0; 5997#L2227-28 assume main_#t~switch26;call main_#t~mem33 := read~int(main_~_hj_key~0.base, 4 + main_~_hj_key~0.offset, 1);main_~_hj_j~0 := main_~_hj_j~0 + main_#t~mem33 % 256;havoc main_#t~mem33; 5998#L2227-30 main_#t~switch26 := main_#t~switch26 || 4 == main_~_hj_k~0; 5165#L2227-31 assume main_#t~switch26;call main_#t~mem34 := read~int(main_~_hj_key~0.base, 3 + main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + 16777216 * (main_#t~mem34 % 256);havoc main_#t~mem34; 5166#L2227-33 main_#t~switch26 := main_#t~switch26 || 3 == main_~_hj_k~0; 5525#L2227-34 assume main_#t~switch26;call main_#t~mem35 := read~int(main_~_hj_key~0.base, 2 + main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + 65536 * (main_#t~mem35 % 256);havoc main_#t~mem35; 5782#L2227-36 main_#t~switch26 := main_#t~switch26 || 2 == main_~_hj_k~0; 5491#L2227-37 assume main_#t~switch26;call main_#t~mem36 := read~int(main_~_hj_key~0.base, 1 + main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + 256 * (main_#t~mem36 % 256);havoc main_#t~mem36; 5492#L2227-39 main_#t~switch26 := main_#t~switch26 || 1 == main_~_hj_k~0; 4956#L2227-40 assume main_#t~switch26;call main_#t~mem37 := read~int(main_~_hj_key~0.base, main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + main_#t~mem37 % 256;havoc main_#t~mem37; 4957#L2227-42 havoc main_#t~switch26; 5295#L2227-45 main_~_hj_i~0 := main_~_hj_i~0 - main_~_hj_j~0;main_~_hj_i~0 := main_~_hj_i~0 - main_~_ha_hashv~0;main_~_hj_i~0 := ~bitwiseXor(main_~_hj_i~0, main_~_ha_hashv~0 / 8192);main_~_hj_j~0 := main_~_hj_j~0 - main_~_ha_hashv~0;main_~_hj_j~0 := main_~_hj_j~0 - main_~_hj_i~0;main_~_hj_j~0 := ~bitwiseXor(main_~_hj_j~0, 256 * main_~_hj_i~0);main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_i~0;main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_j~0;main_~_ha_hashv~0 := ~bitwiseXor(main_~_ha_hashv~0, main_~_hj_j~0 / 8192);main_~_hj_i~0 := main_~_hj_i~0 - main_~_hj_j~0;main_~_hj_i~0 := main_~_hj_i~0 - main_~_ha_hashv~0;main_~_hj_i~0 := ~bitwiseXor(main_~_hj_i~0, main_~_ha_hashv~0 / 4096);main_~_hj_j~0 := main_~_hj_j~0 - main_~_ha_hashv~0;main_~_hj_j~0 := main_~_hj_j~0 - main_~_hj_i~0;main_~_hj_j~0 := ~bitwiseXor(main_~_hj_j~0, 65536 * main_~_hj_i~0);main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_i~0;main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_j~0;main_~_ha_hashv~0 := ~bitwiseXor(main_~_ha_hashv~0, main_~_hj_j~0 / 32);main_~_hj_i~0 := main_~_hj_i~0 - main_~_hj_j~0;main_~_hj_i~0 := main_~_hj_i~0 - main_~_ha_hashv~0;main_~_hj_i~0 := ~bitwiseXor(main_~_hj_i~0, main_~_ha_hashv~0 / 8);main_~_hj_j~0 := main_~_hj_j~0 - main_~_ha_hashv~0;main_~_hj_j~0 := main_~_hj_j~0 - main_~_hj_i~0;main_~_hj_j~0 := ~bitwiseXor(main_~_hj_j~0, 1024 * main_~_hj_i~0);main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_i~0;main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_j~0;main_~_ha_hashv~0 := ~bitwiseXor(main_~_ha_hashv~0, main_~_hj_j~0 / 32768); 5889#L2227-44 goto; 5762#L2227-46 goto; 5592#L2227-48 goto; 5593#L2227-122 call write~int(main_~_ha_hashv~0, main_~user~0.base, 36 + main_~user~0.offset, 4);call write~$Pointer$(main_~user~0.base, main_~user~0.offset, main_~user~0.base, 28 + main_~user~0.offset, 4);call write~int(4, main_~user~0.base, 32 + main_~user~0.offset, 4); 5132#L2227-51 assume !(main_~users~0.base == 0 && main_~users~0.offset == 0);call main_#t~mem55.base, main_#t~mem55.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call write~$Pointer$(main_#t~mem55.base, main_#t~mem55.offset, main_~user~0.base, 8 + main_~user~0.offset, 4);havoc main_#t~mem55.base, main_#t~mem55.offset; 5133#L2227-67 call write~$Pointer$(0, 0, main_~user~0.base, 16 + main_~user~0.offset, 4);call main_#t~mem56.base, main_#t~mem56.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem57.base, main_#t~mem57.offset := read~$Pointer$(main_#t~mem56.base, 16 + main_#t~mem56.offset, 4);call main_#t~mem58.base, main_#t~mem58.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem59 := read~int(main_#t~mem58.base, 20 + main_#t~mem58.offset, 4);call write~$Pointer$(main_#t~mem57.base, main_#t~mem57.offset - main_#t~mem59, main_~user~0.base, 12 + main_~user~0.offset, 4);havoc main_#t~mem56.base, main_#t~mem56.offset;havoc main_#t~mem57.base, main_#t~mem57.offset;havoc main_#t~mem58.base, main_#t~mem58.offset;havoc main_#t~mem59;call main_#t~mem60.base, main_#t~mem60.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem61.base, main_#t~mem61.offset := read~$Pointer$(main_#t~mem60.base, 16 + main_#t~mem60.offset, 4);call write~$Pointer$(main_~user~0.base, main_~user~0.offset, main_#t~mem61.base, 8 + main_#t~mem61.offset, 4);havoc main_#t~mem60.base, main_#t~mem60.offset;havoc main_#t~mem61.base, main_#t~mem61.offset;call main_#t~mem62.base, main_#t~mem62.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call write~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, main_#t~mem62.base, 16 + main_#t~mem62.offset, 4);havoc main_#t~mem62.base, main_#t~mem62.offset; 5812#L2227-66 goto; 5813#L2227-120 havoc main_~_ha_bkt~0;call main_#t~mem63.base, main_#t~mem63.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem64 := read~int(main_#t~mem63.base, 12 + main_#t~mem63.offset, 4);main_#t~post65 := main_#t~mem64;call write~int(1 + main_#t~post65, main_#t~mem63.base, 12 + main_#t~mem63.offset, 4);havoc main_#t~mem63.base, main_#t~mem63.offset;havoc main_#t~mem64;havoc main_#t~post65; 5877#L2227-71 call main_#t~mem66.base, main_#t~mem66.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem67 := read~int(main_#t~mem66.base, 4 + main_#t~mem66.offset, 4);main_~_ha_bkt~0 := ~bitwiseAnd(main_~_ha_hashv~0, main_#t~mem67 - 1);havoc main_#t~mem66.base, main_#t~mem66.offset;havoc main_#t~mem67; 5855#L2227-70 goto; 5856#L2227-118 call main_#t~mem68.base, main_#t~mem68.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem69.base, main_#t~mem69.offset := read~$Pointer$(main_#t~mem68.base, main_#t~mem68.offset, 4);main_~_ha_head~0.base, main_~_ha_head~0.offset := main_#t~mem69.base, main_#t~mem69.offset + 12 * (if main_~_ha_bkt~0 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0 % 4294967296 % 4294967296 else main_~_ha_bkt~0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem68.base, main_#t~mem68.offset;havoc main_#t~mem69.base, main_#t~mem69.offset;call main_#t~mem70 := read~int(main_~_ha_head~0.base, 4 + main_~_ha_head~0.offset, 4);main_#t~post71 := main_#t~mem70;call write~int(1 + main_#t~post71, main_~_ha_head~0.base, 4 + main_~_ha_head~0.offset, 4);havoc main_#t~mem70;havoc main_#t~post71;call main_#t~mem72.base, main_#t~mem72.offset := read~$Pointer$(main_~_ha_head~0.base, main_~_ha_head~0.offset, 4);call write~$Pointer$(main_#t~mem72.base, main_#t~mem72.offset, main_~user~0.base, 24 + main_~user~0.offset, 4);havoc main_#t~mem72.base, main_#t~mem72.offset;call write~$Pointer$(0, 0, main_~user~0.base, 20 + main_~user~0.offset, 4);call main_#t~mem73.base, main_#t~mem73.offset := read~$Pointer$(main_~_ha_head~0.base, main_~_ha_head~0.offset, 4); 5841#L2227-73 assume main_#t~mem73.base != 0 || main_#t~mem73.offset != 0;havoc main_#t~mem73.base, main_#t~mem73.offset;call main_#t~mem74.base, main_#t~mem74.offset := read~$Pointer$(main_~_ha_head~0.base, main_~_ha_head~0.offset, 4);call write~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, main_#t~mem74.base, 12 + main_#t~mem74.offset, 4);havoc main_#t~mem74.base, main_#t~mem74.offset; 5842#L2227-75 call write~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, main_~_ha_head~0.base, main_~_ha_head~0.offset, 4);call main_#t~mem76 := read~int(main_~_ha_head~0.base, 4 + main_~_ha_head~0.offset, 4);call main_#t~mem75 := read~int(main_~_ha_head~0.base, 8 + main_~_ha_head~0.offset, 4);main_#t~short79 := main_#t~mem76 % 4294967296 >= 10 * (1 + main_#t~mem75) % 4294967296; 5440#L2227-76 assume main_#t~short79;call main_#t~mem77.base, main_#t~mem77.offset := read~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, 4);call main_#t~mem78 := read~int(main_#t~mem77.base, 36 + main_#t~mem77.offset, 4);main_#t~short79 := 0 == main_#t~mem78 % 4294967296; 5441#L2227-78 assume !main_#t~short79;havoc main_#t~mem76;havoc main_#t~mem75;havoc main_#t~mem77.base, main_#t~mem77.offset;havoc main_#t~mem78;havoc main_#t~short79; 5343#L2227-117 goto; 5344#L2227-119 goto; 6101#L2227-121 goto; 6049#L2227-123 goto; 6050#L2220-3 call main_#t~mem7 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);main_#t~post8 := main_#t~mem7;call write~int(1 + main_#t~post8, main_~#i~0.base, main_~#i~0.offset, 4);havoc main_#t~mem7;havoc main_#t~post8; 6078#L2220-4 [2021-11-07 07:23:11,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:23:11,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 3 times [2021-11-07 07:23:11,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:23:11,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999279270] [2021-11-07 07:23:11,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:23:11,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:23:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:23:11,306 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:23:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:23:11,335 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:23:11,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:23:11,336 INFO L85 PathProgramCache]: Analyzing trace with hash -726571605, now seen corresponding path program 1 times [2021-11-07 07:23:11,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:23:11,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261738679] [2021-11-07 07:23:11,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:23:11,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:23:11,369 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 07:23:11,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1187770606] [2021-11-07 07:23:11,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:23:11,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:23:11,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:23:11,376 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:23:11,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 07:23:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:23:11,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 07:23:11,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:23:11,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:23:11,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:23:11,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261738679] [2021-11-07 07:23:11,888 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 07:23:11,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187770606] [2021-11-07 07:23:11,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187770606] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:23:11,889 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:23:11,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 07:23:11,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106334781] [2021-11-07 07:23:11,890 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-07 07:23:11,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:23:11,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 07:23:11,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 07:23:11,891 INFO L87 Difference]: Start difference. First operand 1205 states and 1763 transitions. cyclomatic complexity: 562 Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:23:12,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:23:12,085 INFO L93 Difference]: Finished difference Result 2289 states and 3371 transitions. [2021-11-07 07:23:12,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 07:23:12,086 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2289 states and 3371 transitions. [2021-11-07 07:23:12,110 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 2268 [2021-11-07 07:23:12,137 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2289 states to 2289 states and 3371 transitions. [2021-11-07 07:23:12,137 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2289 [2021-11-07 07:23:12,141 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2289 [2021-11-07 07:23:12,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2289 states and 3371 transitions. [2021-11-07 07:23:12,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:23:12,146 INFO L681 BuchiCegarLoop]: Abstraction has 2289 states and 3371 transitions. [2021-11-07 07:23:12,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2289 states and 3371 transitions. [2021-11-07 07:23:12,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2289 to 1191. [2021-11-07 07:23:12,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1191 states, 1187 states have (on average 1.4625105307497894) internal successors, (1736), 1186 states have internal predecessors, (1736), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-07 07:23:12,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 1191 states and 1742 transitions. [2021-11-07 07:23:12,190 INFO L704 BuchiCegarLoop]: Abstraction has 1191 states and 1742 transitions. [2021-11-07 07:23:12,190 INFO L587 BuchiCegarLoop]: Abstraction has 1191 states and 1742 transitions. [2021-11-07 07:23:12,190 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-07 07:23:12,191 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1191 states and 1742 transitions. [2021-11-07 07:23:12,199 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1181 [2021-11-07 07:23:12,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:23:12,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:23:12,201 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-07 07:23:12,202 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:23:12,202 INFO L791 eck$LassoCheckResult]: Stem: 9461#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string2.base, #t~string2.offset, 1);call write~init~int(0, #t~string2.base, 1 + #t~string2.offset, 1);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(21);~count_int_int~0 := 0; 9462#L-1 havoc main_#res;havoc main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem15, main_#t~mem14, main_#t~mem16, main_#t~mem17, main_#t~mem19, main_#t~mem18, main_#t~mem20, main_#t~mem21, main_#t~mem23, main_#t~mem22, main_#t~mem24, main_#t~mem25, main_#t~switch26, main_#t~mem27, main_#t~mem28, main_#t~mem29, main_#t~mem30, main_#t~mem31, main_#t~mem32, main_#t~mem33, main_#t~mem34, main_#t~mem35, main_#t~mem36, main_#t~mem37, main_~_hj_i~0, main_~_hj_j~0, main_~_hj_k~0, main_~_hj_key~0.base, main_~_hj_key~0.offset, main_#t~malloc38.base, main_#t~malloc38.offset, main_#t~mem39.base, main_#t~mem39.offset, main_#t~mem40.base, main_#t~mem40.offset, main_#t~memset~res41.base, main_#t~memset~res41.offset, main_#t~mem42.base, main_#t~mem42.offset, main_#t~mem43.base, main_#t~mem43.offset, main_#t~mem44.base, main_#t~mem44.offset, main_#t~mem45.base, main_#t~mem45.offset, main_#t~mem46.base, main_#t~mem46.offset, main_#t~malloc47.base, main_#t~malloc47.offset, main_#t~mem48.base, main_#t~mem48.offset, main_#t~mem49.base, main_#t~mem49.offset, main_#t~mem50.base, main_#t~mem50.offset, main_#t~mem51.base, main_#t~mem51.offset, main_#t~mem52.base, main_#t~mem52.offset, main_#t~mem53.base, main_#t~mem53.offset, main_#t~memset~res54.base, main_#t~memset~res54.offset, main_#t~mem55.base, main_#t~mem55.offset, main_#t~mem56.base, main_#t~mem56.offset, main_#t~mem57.base, main_#t~mem57.offset, main_#t~mem58.base, main_#t~mem58.offset, main_#t~mem59, main_#t~mem60.base, main_#t~mem60.offset, main_#t~mem61.base, main_#t~mem61.offset, main_#t~mem62.base, main_#t~mem62.offset, main_#t~mem63.base, main_#t~mem63.offset, main_#t~mem64, main_#t~post65, main_#t~mem66.base, main_#t~mem66.offset, main_#t~mem67, main_#t~mem68.base, main_#t~mem68.offset, main_#t~mem69.base, main_#t~mem69.offset, main_#t~mem70, main_#t~post71, main_#t~mem72.base, main_#t~mem72.offset, main_#t~mem73.base, main_#t~mem73.offset, main_#t~mem74.base, main_#t~mem74.offset, main_#t~mem76, main_#t~mem75, main_#t~mem77.base, main_#t~mem77.offset, main_#t~mem78, main_#t~short79, main_#t~mem80.base, main_#t~mem80.offset, main_#t~mem81, main_#t~malloc82.base, main_#t~malloc82.offset, main_#t~mem83.base, main_#t~mem83.offset, main_#t~mem84.base, main_#t~mem84.offset, main_#t~mem85.base, main_#t~mem85.offset, main_#t~mem86, main_#t~memset~res87.base, main_#t~memset~res87.offset, main_#t~mem88.base, main_#t~mem88.offset, main_#t~mem89.base, main_#t~mem89.offset, main_#t~mem92, main_#t~mem90.base, main_#t~mem90.offset, main_#t~mem91, main_#t~mem93.base, main_#t~mem93.offset, main_#t~mem96, main_#t~mem94.base, main_#t~mem94.offset, main_#t~mem95, main_#t~ite97, main_#t~mem98.base, main_#t~mem98.offset, main_#t~mem102.base, main_#t~mem102.offset, main_#t~mem103.base, main_#t~mem103.offset, main_#t~mem104.base, main_#t~mem104.offset, main_#t~mem105.base, main_#t~mem105.offset, main_#t~mem108, main_#t~mem106.base, main_#t~mem106.offset, main_#t~mem107, main_#t~mem109.base, main_#t~mem109.offset, main_#t~mem110, main_#t~pre111, main_#t~mem112.base, main_#t~mem112.offset, main_#t~mem113, main_#t~mem114.base, main_#t~mem114.offset, main_#t~mem115, main_#t~post116, main_#t~mem120, main_#t~mem118, main_#t~mem117.base, main_#t~mem117.offset, main_#t~mem119, main_#t~mem121, main_#t~post122, main_#t~mem123.base, main_#t~mem123.offset, main_#t~mem124.base, main_#t~mem124.offset, main_#t~mem125.base, main_#t~mem125.offset, main_#t~post99, main_#t~mem100.base, main_#t~mem100.offset, main_#t~mem101, main_#t~mem126.base, main_#t~mem126.offset, main_#t~mem127.base, main_#t~mem127.offset, main_#t~mem128.base, main_#t~mem128.offset, main_#t~mem129, main_#t~mem130.base, main_#t~mem130.offset, main_#t~mem131, main_#t~post132, main_#t~mem133.base, main_#t~mem133.offset, main_#t~mem134.base, main_#t~mem134.offset, main_#t~mem135.base, main_#t~mem135.offset, main_#t~mem136.base, main_#t~mem136.offset, main_#t~mem139, main_#t~mem137.base, main_#t~mem137.offset, main_#t~mem138, main_#t~ite142, main_#t~mem140.base, main_#t~mem140.offset, main_#t~mem141, main_#t~mem143.base, main_#t~mem143.offset, main_#t~mem144, main_#t~mem145.base, main_#t~mem145.offset, main_~_he_bkt~0, main_~_he_bkt_i~0, main_~_he_thh~0.base, main_~_he_thh~0.offset, main_~_he_hh_nxt~0.base, main_~_he_hh_nxt~0.offset, main_~#_he_new_buckets~0.base, main_~#_he_new_buckets~0.offset, main_~_he_newbkt~0.base, main_~_he_newbkt~0.offset, main_~_ha_head~0.base, main_~_ha_head~0.offset, main_~_ha_bkt~0, main_~_ha_hashv~0, main_#t~mem7, main_#t~post8, main_#t~mem9, main_#t~mem149, main_#t~mem148, main_#t~mem150, main_#t~mem151, main_#t~mem153, main_#t~mem152, main_#t~mem154, main_#t~mem155, main_#t~mem157, main_#t~mem156, main_#t~mem158, main_#t~mem159, main_#t~switch160, main_#t~mem161, main_#t~mem162, main_#t~mem163, main_#t~mem164, main_#t~mem165, main_#t~mem166, main_#t~mem167, main_#t~mem168, main_#t~mem169, main_#t~mem170, main_#t~mem171, main_~_hj_i~1, main_~_hj_j~1, main_~_hj_k~1, main_~_hj_key~1.base, main_~_hj_key~1.offset, main_#t~mem172.base, main_#t~mem172.offset, main_#t~mem173, main_#t~mem174.base, main_#t~mem174.offset, main_#t~mem175.base, main_#t~mem175.offset, main_#t~mem176.base, main_#t~mem176.offset, main_#t~mem177.base, main_#t~mem177.offset, main_#t~mem178.base, main_#t~mem178.offset, main_#t~mem179.base, main_#t~mem179.offset, main_#t~mem180.base, main_#t~mem180.offset, main_#t~mem181, main_#t~mem182, main_#t~mem183, main_#t~short184, main_#t~mem185.base, main_#t~mem185.offset, main_#t~ret186, main_#t~mem187.base, main_#t~mem187.offset, main_#t~mem188.base, main_#t~mem188.offset, main_#t~mem189.base, main_#t~mem189.offset, main_#t~mem190, main_~_hf_bkt~0, main_~_hf_hashv~0, main_#t~mem191, main_#t~mem192, main_#t~mem146, main_#t~mem147, main_#t~ite194.base, main_#t~ite194.offset, main_#t~mem193.base, main_#t~mem193.offset, main_#t~mem197.base, main_#t~mem197.offset, main_#t~mem198.base, main_#t~mem198.offset, main_#t~short199, main_#t~mem200.base, main_#t~mem200.offset, main_#t~mem201.base, main_#t~mem201.offset, main_#t~mem202.base, main_#t~mem202.offset, main_#t~mem203.base, main_#t~mem203.offset, main_#t~mem204.base, main_#t~mem204.offset, main_#t~mem205.base, main_#t~mem205.offset, main_#t~mem206.base, main_#t~mem206.offset, main_#t~mem207.base, main_#t~mem207.offset, main_#t~mem208, main_#t~mem209.base, main_#t~mem209.offset, main_#t~mem210.base, main_#t~mem210.offset, main_#t~mem211.base, main_#t~mem211.offset, main_#t~mem212, main_#t~mem213.base, main_#t~mem213.offset, main_#t~mem214.base, main_#t~mem214.offset, main_#t~mem215.base, main_#t~mem215.offset, main_#t~mem216.base, main_#t~mem216.offset, main_#t~mem217.base, main_#t~mem217.offset, main_#t~mem218, main_#t~mem219.base, main_#t~mem219.offset, main_#t~mem222, main_#t~mem220.base, main_#t~mem220.offset, main_#t~mem221, main_#t~mem223.base, main_#t~mem223.offset, main_#t~mem224.base, main_#t~mem224.offset, main_#t~mem225, main_#t~post226, main_#t~mem227.base, main_#t~mem227.offset, main_#t~mem228.base, main_#t~mem228.offset, main_#t~mem229.base, main_#t~mem229.offset, main_#t~mem230.base, main_#t~mem230.offset, main_#t~mem231.base, main_#t~mem231.offset, main_#t~mem232.base, main_#t~mem232.offset, main_#t~mem233.base, main_#t~mem233.offset, main_#t~mem234.base, main_#t~mem234.offset, main_~_hd_head~0.base, main_~_hd_head~0.offset, main_#t~mem235.base, main_#t~mem235.offset, main_#t~mem236, main_#t~post237, main_~_hd_bkt~0, main_~_hd_hh_del~0.base, main_~_hd_hh_del~0.offset, main_#t~ite196.base, main_#t~ite196.offset, main_#t~mem195.base, main_#t~mem195.offset, main_~#i~0.base, main_~#i~0.offset, main_~user~0.base, main_~user~0.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~users~0.base, main_~users~0.offset, main_~temp~0.base, main_~temp~0.offset;call main_~#i~0.base, main_~#i~0.offset := #Ultimate.allocOnStack(4);havoc main_~user~0.base, main_~user~0.offset;havoc main_~tmp~0.base, main_~tmp~0.offset;main_~users~0.base, main_~users~0.offset := 0, 0;call write~int(0, main_~#i~0.base, main_~#i~0.offset, 4); 9726#L2220-4 [2021-11-07 07:23:12,203 INFO L793 eck$LassoCheckResult]: Loop: 9726#L2220-4 call main_#t~mem9 := read~int(main_~#i~0.base, main_~#i~0.offset, 4); 8841#L2220-1 assume !!(main_#t~mem9 < 1000);havoc main_#t~mem9;call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnHeap(40);main_~user~0.base, main_~user~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;havoc main_#t~malloc10.base, main_#t~malloc10.offset; 8843#L2222 assume !(main_~user~0.base == 0 && main_~user~0.offset == 0); 9387#L2222-2 call main_#t~mem11 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call write~int(main_#t~mem11, main_~user~0.base, main_~user~0.offset, 4);havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call main_#t~mem13 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);call write~int(main_#t~mem12 * main_#t~mem13, main_~user~0.base, 4 + main_~user~0.offset, 4);havoc main_#t~mem12;havoc main_#t~mem13; 9388#L2227-124 havoc main_~_ha_hashv~0; 9027#L2227-49 goto; 9028#L2227-47 havoc main_~_hj_i~0;havoc main_~_hj_j~0;havoc main_~_hj_k~0;main_~_hj_key~0.base, main_~_hj_key~0.offset := main_~user~0.base, main_~user~0.offset;main_~_ha_hashv~0 := 4276993775;main_~_hj_j~0 := 2654435769;main_~_hj_i~0 := main_~_hj_j~0;main_~_hj_k~0 := 4; 9354#L2227-8 assume !(main_~_hj_k~0 % 4294967296 >= 12); 9383#L2227-9 main_~_ha_hashv~0 := 4 + main_~_ha_hashv~0;main_#t~switch26 := 11 == main_~_hj_k~0; 9136#L2227-10 assume !main_#t~switch26; 9137#L2227-12 main_#t~switch26 := main_#t~switch26 || 10 == main_~_hj_k~0; 9426#L2227-13 assume !main_#t~switch26; 9458#L2227-15 main_#t~switch26 := main_#t~switch26 || 9 == main_~_hj_k~0; 8792#L2227-16 assume !main_#t~switch26; 8793#L2227-18 main_#t~switch26 := main_#t~switch26 || 8 == main_~_hj_k~0; 9716#L2227-19 assume !main_#t~switch26; 9747#L2227-21 main_#t~switch26 := main_#t~switch26 || 7 == main_~_hj_k~0; 9723#L2227-22 assume !main_#t~switch26; 9724#L2227-24 main_#t~switch26 := main_#t~switch26 || 6 == main_~_hj_k~0; 9514#L2227-25 assume !main_#t~switch26; 9453#L2227-27 main_#t~switch26 := main_#t~switch26 || 5 == main_~_hj_k~0; 9454#L2227-28 assume !main_#t~switch26; 9649#L2227-30 main_#t~switch26 := main_#t~switch26 || 4 == main_~_hj_k~0; 8818#L2227-31 assume main_#t~switch26;call main_#t~mem34 := read~int(main_~_hj_key~0.base, 3 + main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + 16777216 * (main_#t~mem34 % 256);havoc main_#t~mem34; 8819#L2227-33 main_#t~switch26 := main_#t~switch26 || 3 == main_~_hj_k~0; 9757#L2227-34 assume main_#t~switch26;call main_#t~mem35 := read~int(main_~_hj_key~0.base, 2 + main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + 65536 * (main_#t~mem35 % 256);havoc main_#t~mem35; 9438#L2227-36 main_#t~switch26 := main_#t~switch26 || 2 == main_~_hj_k~0; 9147#L2227-37 assume main_#t~switch26;call main_#t~mem36 := read~int(main_~_hj_key~0.base, 1 + main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + 256 * (main_#t~mem36 % 256);havoc main_#t~mem36; 9148#L2227-39 main_#t~switch26 := main_#t~switch26 || 1 == main_~_hj_k~0; 8612#L2227-40 assume main_#t~switch26;call main_#t~mem37 := read~int(main_~_hj_key~0.base, main_~_hj_key~0.offset, 1);main_~_hj_i~0 := main_~_hj_i~0 + main_#t~mem37 % 256;havoc main_#t~mem37; 8613#L2227-42 havoc main_#t~switch26; 8952#L2227-45 main_~_hj_i~0 := main_~_hj_i~0 - main_~_hj_j~0;main_~_hj_i~0 := main_~_hj_i~0 - main_~_ha_hashv~0;main_~_hj_i~0 := ~bitwiseXor(main_~_hj_i~0, main_~_ha_hashv~0 / 8192);main_~_hj_j~0 := main_~_hj_j~0 - main_~_ha_hashv~0;main_~_hj_j~0 := main_~_hj_j~0 - main_~_hj_i~0;main_~_hj_j~0 := ~bitwiseXor(main_~_hj_j~0, 256 * main_~_hj_i~0);main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_i~0;main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_j~0;main_~_ha_hashv~0 := ~bitwiseXor(main_~_ha_hashv~0, main_~_hj_j~0 / 8192);main_~_hj_i~0 := main_~_hj_i~0 - main_~_hj_j~0;main_~_hj_i~0 := main_~_hj_i~0 - main_~_ha_hashv~0;main_~_hj_i~0 := ~bitwiseXor(main_~_hj_i~0, main_~_ha_hashv~0 / 4096);main_~_hj_j~0 := main_~_hj_j~0 - main_~_ha_hashv~0;main_~_hj_j~0 := main_~_hj_j~0 - main_~_hj_i~0;main_~_hj_j~0 := ~bitwiseXor(main_~_hj_j~0, 65536 * main_~_hj_i~0);main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_i~0;main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_j~0;main_~_ha_hashv~0 := ~bitwiseXor(main_~_ha_hashv~0, main_~_hj_j~0 / 32);main_~_hj_i~0 := main_~_hj_i~0 - main_~_hj_j~0;main_~_hj_i~0 := main_~_hj_i~0 - main_~_ha_hashv~0;main_~_hj_i~0 := ~bitwiseXor(main_~_hj_i~0, main_~_ha_hashv~0 / 8);main_~_hj_j~0 := main_~_hj_j~0 - main_~_ha_hashv~0;main_~_hj_j~0 := main_~_hj_j~0 - main_~_hj_i~0;main_~_hj_j~0 := ~bitwiseXor(main_~_hj_j~0, 1024 * main_~_hj_i~0);main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_i~0;main_~_ha_hashv~0 := main_~_ha_hashv~0 - main_~_hj_j~0;main_~_ha_hashv~0 := ~bitwiseXor(main_~_ha_hashv~0, main_~_hj_j~0 / 32768); 9541#L2227-44 goto; 9416#L2227-46 goto; 9248#L2227-48 goto; 9249#L2227-122 call write~int(main_~_ha_hashv~0, main_~user~0.base, 36 + main_~user~0.offset, 4);call write~$Pointer$(main_~user~0.base, main_~user~0.offset, main_~user~0.base, 28 + main_~user~0.offset, 4);call write~int(4, main_~user~0.base, 32 + main_~user~0.offset, 4); 8788#L2227-51 assume !(main_~users~0.base == 0 && main_~users~0.offset == 0);call main_#t~mem55.base, main_#t~mem55.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call write~$Pointer$(main_#t~mem55.base, main_#t~mem55.offset, main_~user~0.base, 8 + main_~user~0.offset, 4);havoc main_#t~mem55.base, main_#t~mem55.offset; 8789#L2227-67 call write~$Pointer$(0, 0, main_~user~0.base, 16 + main_~user~0.offset, 4);call main_#t~mem56.base, main_#t~mem56.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem57.base, main_#t~mem57.offset := read~$Pointer$(main_#t~mem56.base, 16 + main_#t~mem56.offset, 4);call main_#t~mem58.base, main_#t~mem58.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem59 := read~int(main_#t~mem58.base, 20 + main_#t~mem58.offset, 4);call write~$Pointer$(main_#t~mem57.base, main_#t~mem57.offset - main_#t~mem59, main_~user~0.base, 12 + main_~user~0.offset, 4);havoc main_#t~mem56.base, main_#t~mem56.offset;havoc main_#t~mem57.base, main_#t~mem57.offset;havoc main_#t~mem58.base, main_#t~mem58.offset;havoc main_#t~mem59;call main_#t~mem60.base, main_#t~mem60.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem61.base, main_#t~mem61.offset := read~$Pointer$(main_#t~mem60.base, 16 + main_#t~mem60.offset, 4);call write~$Pointer$(main_~user~0.base, main_~user~0.offset, main_#t~mem61.base, 8 + main_#t~mem61.offset, 4);havoc main_#t~mem60.base, main_#t~mem60.offset;havoc main_#t~mem61.base, main_#t~mem61.offset;call main_#t~mem62.base, main_#t~mem62.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call write~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, main_#t~mem62.base, 16 + main_#t~mem62.offset, 4);havoc main_#t~mem62.base, main_#t~mem62.offset; 9467#L2227-66 goto; 9468#L2227-120 havoc main_~_ha_bkt~0;call main_#t~mem63.base, main_#t~mem63.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem64 := read~int(main_#t~mem63.base, 12 + main_#t~mem63.offset, 4);main_#t~post65 := main_#t~mem64;call write~int(1 + main_#t~post65, main_#t~mem63.base, 12 + main_#t~mem63.offset, 4);havoc main_#t~mem63.base, main_#t~mem63.offset;havoc main_#t~mem64;havoc main_#t~post65; 9531#L2227-71 call main_#t~mem66.base, main_#t~mem66.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem67 := read~int(main_#t~mem66.base, 4 + main_#t~mem66.offset, 4);main_~_ha_bkt~0 := ~bitwiseAnd(main_~_ha_hashv~0, main_#t~mem67 - 1);havoc main_#t~mem66.base, main_#t~mem66.offset;havoc main_#t~mem67; 9510#L2227-70 goto; 9511#L2227-118 call main_#t~mem68.base, main_#t~mem68.offset := read~$Pointer$(main_~users~0.base, 8 + main_~users~0.offset, 4);call main_#t~mem69.base, main_#t~mem69.offset := read~$Pointer$(main_#t~mem68.base, main_#t~mem68.offset, 4);main_~_ha_head~0.base, main_~_ha_head~0.offset := main_#t~mem69.base, main_#t~mem69.offset + 12 * (if main_~_ha_bkt~0 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0 % 4294967296 % 4294967296 else main_~_ha_bkt~0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem68.base, main_#t~mem68.offset;havoc main_#t~mem69.base, main_#t~mem69.offset;call main_#t~mem70 := read~int(main_~_ha_head~0.base, 4 + main_~_ha_head~0.offset, 4);main_#t~post71 := main_#t~mem70;call write~int(1 + main_#t~post71, main_~_ha_head~0.base, 4 + main_~_ha_head~0.offset, 4);havoc main_#t~mem70;havoc main_#t~post71;call main_#t~mem72.base, main_#t~mem72.offset := read~$Pointer$(main_~_ha_head~0.base, main_~_ha_head~0.offset, 4);call write~$Pointer$(main_#t~mem72.base, main_#t~mem72.offset, main_~user~0.base, 24 + main_~user~0.offset, 4);havoc main_#t~mem72.base, main_#t~mem72.offset;call write~$Pointer$(0, 0, main_~user~0.base, 20 + main_~user~0.offset, 4);call main_#t~mem73.base, main_#t~mem73.offset := read~$Pointer$(main_~_ha_head~0.base, main_~_ha_head~0.offset, 4); 9496#L2227-73 assume main_#t~mem73.base != 0 || main_#t~mem73.offset != 0;havoc main_#t~mem73.base, main_#t~mem73.offset;call main_#t~mem74.base, main_#t~mem74.offset := read~$Pointer$(main_~_ha_head~0.base, main_~_ha_head~0.offset, 4);call write~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, main_#t~mem74.base, 12 + main_#t~mem74.offset, 4);havoc main_#t~mem74.base, main_#t~mem74.offset; 9497#L2227-75 call write~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, main_~_ha_head~0.base, main_~_ha_head~0.offset, 4);call main_#t~mem76 := read~int(main_~_ha_head~0.base, 4 + main_~_ha_head~0.offset, 4);call main_#t~mem75 := read~int(main_~_ha_head~0.base, 8 + main_~_ha_head~0.offset, 4);main_#t~short79 := main_#t~mem76 % 4294967296 >= 10 * (1 + main_#t~mem75) % 4294967296; 9096#L2227-76 assume main_#t~short79;call main_#t~mem77.base, main_#t~mem77.offset := read~$Pointer$(main_~user~0.base, 8 + main_~user~0.offset, 4);call main_#t~mem78 := read~int(main_#t~mem77.base, 36 + main_#t~mem77.offset, 4);main_#t~short79 := 0 == main_#t~mem78 % 4294967296; 9097#L2227-78 assume !main_#t~short79;havoc main_#t~mem76;havoc main_#t~mem75;havoc main_#t~mem77.base, main_#t~mem77.offset;havoc main_#t~mem78;havoc main_#t~short79; 9000#L2227-117 goto; 9001#L2227-119 goto; 9748#L2227-121 goto; 9699#L2227-123 goto; 9700#L2220-3 call main_#t~mem7 := read~int(main_~#i~0.base, main_~#i~0.offset, 4);main_#t~post8 := main_#t~mem7;call write~int(1 + main_#t~post8, main_~#i~0.base, main_~#i~0.offset, 4);havoc main_#t~mem7;havoc main_#t~post8; 9726#L2220-4 [2021-11-07 07:23:12,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:23:12,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 4 times [2021-11-07 07:23:12,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:23:12,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991016370] [2021-11-07 07:23:12,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:23:12,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:23:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:23:12,255 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:23:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:23:12,291 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:23:12,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:23:12,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1694021305, now seen corresponding path program 1 times [2021-11-07 07:23:12,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:23:12,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184531864] [2021-11-07 07:23:12,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:23:12,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:23:12,318 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 07:23:12,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1331511802] [2021-11-07 07:23:12,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:23:12,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:23:12,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:23:12,354 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:23:12,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526a7b78-49e1-4347-96f7-a19bce88da22/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process