./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:31:33,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:31:33,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:31:33,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:31:33,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:31:33,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:31:33,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:31:33,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:31:33,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:31:33,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:31:33,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:31:33,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:31:33,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:31:33,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:31:33,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:31:33,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:31:33,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:31:33,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:31:33,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:31:33,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:31:33,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:31:33,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:31:33,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:31:33,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:31:33,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:31:33,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:31:33,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:31:33,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:31:33,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:31:33,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:31:33,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:31:33,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:31:33,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:31:33,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:31:33,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:31:33,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:31:33,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:31:33,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:31:33,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:31:33,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:31:33,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:31:33,242 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:31:33,276 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:31:33,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:31:33,278 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:31:33,279 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:31:33,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:31:33,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:31:33,280 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:31:33,280 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:31:33,280 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:31:33,281 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:31:33,281 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:31:33,282 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:31:33,282 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:31:33,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:31:33,282 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:31:33,282 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:31:33,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:31:33,283 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:31:33,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:31:33,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:31:33,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:31:33,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:31:33,284 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:31:33,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:31:33,284 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:31:33,284 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:31:33,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:31:33,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:31:33,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:31:33,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:31:33,285 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:31:33,286 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:31:33,287 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:31:33,287 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 [2021-12-15 17:31:33,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:31:33,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:31:33,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:31:33,526 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:31:33,527 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:31:33,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2021-12-15 17:31:33,574 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9764041ed/15df4d6ec89940a5a8daa4a2307e3f01/FLAGb681b5fd3 [2021-12-15 17:31:34,075 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:31:34,076 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2021-12-15 17:31:34,088 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9764041ed/15df4d6ec89940a5a8daa4a2307e3f01/FLAGb681b5fd3 [2021-12-15 17:31:34,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9764041ed/15df4d6ec89940a5a8daa4a2307e3f01 [2021-12-15 17:31:34,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:31:34,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:31:34,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:31:34,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:31:34,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:31:34,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:31:34" (1/1) ... [2021-12-15 17:31:34,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7315617b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:34, skipping insertion in model container [2021-12-15 17:31:34,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:31:34" (1/1) ... [2021-12-15 17:31:34,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:31:34,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:31:34,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[33021,33034] [2021-12-15 17:31:34,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44124,44137] [2021-12-15 17:31:34,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44245,44258] [2021-12-15 17:31:34,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:31:34,871 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:31:34,893 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[33021,33034] [2021-12-15 17:31:34,947 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44124,44137] [2021-12-15 17:31:34,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44245,44258] [2021-12-15 17:31:34,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:31:34,995 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:31:34,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:34 WrapperNode [2021-12-15 17:31:34,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:31:34,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:31:34,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:31:34,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:31:35,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:34" (1/1) ... [2021-12-15 17:31:35,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:34" (1/1) ... [2021-12-15 17:31:35,093 INFO L137 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 996 [2021-12-15 17:31:35,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:31:35,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:31:35,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:31:35,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:31:35,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:34" (1/1) ... [2021-12-15 17:31:35,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:34" (1/1) ... [2021-12-15 17:31:35,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:34" (1/1) ... [2021-12-15 17:31:35,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:34" (1/1) ... [2021-12-15 17:31:35,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:34" (1/1) ... [2021-12-15 17:31:35,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:34" (1/1) ... [2021-12-15 17:31:35,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:34" (1/1) ... [2021-12-15 17:31:35,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:31:35,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:31:35,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:31:35,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:31:35,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:34" (1/1) ... [2021-12-15 17:31:35,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:31:35,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:31:35,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:31:35,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-15 17:31:35,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 17:31:35,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 17:31:35,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 17:31:35,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 17:31:35,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 17:31:35,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:31:35,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 17:31:35,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 17:31:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-15 17:31:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 17:31:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 17:31:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:31:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:31:35,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:31:35,503 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:31:35,505 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:31:35,508 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 17:31:36,332 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:31:36,341 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:31:36,341 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-12-15 17:31:36,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:31:36 BoogieIcfgContainer [2021-12-15 17:31:36,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:31:36,344 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:31:36,344 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:31:36,347 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:31:36,348 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:31:36,348 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:31:34" (1/3) ... [2021-12-15 17:31:36,349 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b9f3572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:31:36, skipping insertion in model container [2021-12-15 17:31:36,349 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:31:36,350 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:34" (2/3) ... [2021-12-15 17:31:36,350 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b9f3572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:31:36, skipping insertion in model container [2021-12-15 17:31:36,350 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:31:36,350 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:31:36" (3/3) ... [2021-12-15 17:31:36,351 INFO L388 chiAutomizerObserver]: Analyzing ICFG uthash_JEN_test7-1.i [2021-12-15 17:31:36,386 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:31:36,387 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:31:36,387 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:31:36,387 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:31:36,388 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:31:36,388 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:31:36,388 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:31:36,388 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:31:36,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 183 states, 178 states have (on average 1.6910112359550562) internal successors, (301), 178 states have internal predecessors, (301), 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) [2021-12-15 17:31:36,458 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 171 [2021-12-15 17:31:36,458 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:31:36,458 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:31:36,464 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:31:36,464 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-15 17:31:36,464 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:31:36,465 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 183 states, 178 states have (on average 1.6910112359550562) internal successors, (301), 178 states have internal predecessors, (301), 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) [2021-12-15 17:31:36,473 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 171 [2021-12-15 17:31:36,473 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:31:36,473 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:31:36,474 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:31:36,474 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-15 17:31:36,479 INFO L791 eck$LassoCheckResult]: Stem: 167#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2); 65#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem19#1, main_#t~mem18#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~switch22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc34#1.base, main_#t~malloc34#1.offset, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#1.offset, main_#t~memset~res37#1.base, main_#t~memset~res37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~mem39#1.base, main_#t~mem39#1.offset, main_#t~mem40#1.base, main_#t~mem40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~malloc43#1.base, main_#t~malloc43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~mem45#1.base, main_#t~mem45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~mem47#1.base, main_#t~mem47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~memset~res50#1.base, main_#t~memset~res50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~mem52#1.base, main_#t~mem52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1, main_#t~post61#1, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1, main_#t~post67#1, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem72#1, main_#t~mem71#1, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1, main_#t~short75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1, main_#t~malloc78#1.base, main_#t~malloc78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~memset~res83#1.base, main_#t~memset~res83#1.offset, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem88#1, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem92#1, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1, main_#t~ite93#1, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem104#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1, main_#t~pre107#1, main_#t~mem108#1.base, main_#t~mem108#1.offset, main_#t~mem109#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1, main_#t~post112#1, main_#t~mem116#1, main_#t~mem114#1, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem115#1, main_#t~mem117#1, main_#t~post118#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~post95#1, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem97#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~post128#1, main_#t~mem129#1.base, main_#t~mem129#1.offset, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem135#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~ite138#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem137#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem3#1, main_#t~post4#1, main_#t~mem5#1, main_#t~mem146#1, main_#t~mem145#1, main_#t~mem147#1, main_#t~mem148#1, main_#t~mem150#1, main_#t~mem149#1, main_#t~mem151#1, main_#t~mem152#1, main_#t~mem154#1, main_#t~mem153#1, main_#t~mem155#1, main_#t~mem156#1, main_#t~switch157#1, main_#t~mem158#1, main_#t~mem159#1, main_#t~mem160#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem163#1, main_#t~mem164#1, main_#t~mem165#1, main_#t~mem166#1, main_#t~mem167#1, main_#t~mem168#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem169#1.base, main_#t~mem169#1.offset, main_#t~mem170#1, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1, main_#t~mem180#1, main_#t~short181#1, main_#t~mem182#1.base, main_#t~mem182#1.offset, main_#t~ret183#1, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem188#1.base, main_#t~mem188#1.offset, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~short190#1, main_#t~mem191#1.base, main_#t~mem191#1.offset, main_#t~mem192#1.base, main_#t~mem192#1.offset, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1.base, main_#t~mem197#1.offset, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1.base, main_#t~mem207#1.offset, main_#t~mem208#1.base, main_#t~mem208#1.offset, main_#t~mem209#1, main_#t~mem210#1.base, main_#t~mem210#1.offset, main_#t~mem213#1, main_#t~mem211#1.base, main_#t~mem211#1.offset, main_#t~mem212#1, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1, main_#t~post217#1, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1.base, main_#t~mem219#1.offset, main_#t~mem220#1.base, main_#t~mem220#1.offset, main_#t~mem221#1.base, main_#t~mem221#1.offset, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1, main_#t~post228#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem142#1, main_#t~post143#1, main_#t~mem144#1, main_#t~mem229#1.base, main_#t~mem229#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 140#L715-4true [2021-12-15 17:31:36,480 INFO L793 eck$LassoCheckResult]: Loop: 140#L715-4true call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 117#L715-1true assume !!(main_#t~mem5#1 < 1000);havoc main_#t~mem5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 38#L717true assume main_~user~0#1.base == 0 && main_~user~0#1.offset == 0;assume false; 143#L717-2true call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem8#1 * main_#t~mem9#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~mem9#1; 128#L722-124true assume !true; 80#L715-3true call main_#t~mem3#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post4#1 := main_#t~mem3#1;call write~int(1 + main_#t~post4#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem3#1;havoc main_#t~post4#1; 140#L715-4true [2021-12-15 17:31:36,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:31:36,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2021-12-15 17:31:36,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:31:36,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304446161] [2021-12-15 17:31:36,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:31:36,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:31:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:31:36,575 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:31:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:31:36,615 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:31:36,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:31:36,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1336134572, now seen corresponding path program 1 times [2021-12-15 17:31:36,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:31:36,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204386414] [2021-12-15 17:31:36,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:31:36,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:31:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:31:36,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:31:36,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:31:36,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204386414] [2021-12-15 17:31:36,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204386414] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:31:36,698 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:31:36,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 17:31:36,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312268390] [2021-12-15 17:31:36,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:31:36,704 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:31:36,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:31:36,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-15 17:31:36,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-15 17:31:36,738 INFO L87 Difference]: Start difference. First operand has 183 states, 178 states have (on average 1.6910112359550562) internal successors, (301), 178 states have internal predecessors, (301), 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) [2021-12-15 17:31:36,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:31:36,769 INFO L93 Difference]: Finished difference Result 182 states and 237 transitions. [2021-12-15 17:31:36,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-15 17:31:36,773 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 182 states and 237 transitions. [2021-12-15 17:31:36,775 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 169 [2021-12-15 17:31:36,782 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 182 states to 176 states and 231 transitions. [2021-12-15 17:31:36,784 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 176 [2021-12-15 17:31:36,786 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 176 [2021-12-15 17:31:36,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 176 states and 231 transitions. [2021-12-15 17:31:36,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:31:36,788 INFO L681 BuchiCegarLoop]: Abstraction has 176 states and 231 transitions. [2021-12-15 17:31:36,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states and 231 transitions. [2021-12-15 17:31:36,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2021-12-15 17:31:36,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 172 states have (on average 1.308139534883721) internal successors, (225), 171 states have internal predecessors, (225), 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) [2021-12-15 17:31:36,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 231 transitions. [2021-12-15 17:31:36,814 INFO L704 BuchiCegarLoop]: Abstraction has 176 states and 231 transitions. [2021-12-15 17:31:36,814 INFO L587 BuchiCegarLoop]: Abstraction has 176 states and 231 transitions. [2021-12-15 17:31:36,814 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:31:36,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 176 states and 231 transitions. [2021-12-15 17:31:36,816 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 169 [2021-12-15 17:31:36,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:31:36,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:31:36,818 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:31:36,818 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] [2021-12-15 17:31:36,818 INFO L791 eck$LassoCheckResult]: Stem: 548#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2); 480#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem19#1, main_#t~mem18#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~switch22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc34#1.base, main_#t~malloc34#1.offset, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#1.offset, main_#t~memset~res37#1.base, main_#t~memset~res37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~mem39#1.base, main_#t~mem39#1.offset, main_#t~mem40#1.base, main_#t~mem40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~malloc43#1.base, main_#t~malloc43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~mem45#1.base, main_#t~mem45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~mem47#1.base, main_#t~mem47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~memset~res50#1.base, main_#t~memset~res50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~mem52#1.base, main_#t~mem52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1, main_#t~post61#1, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1, main_#t~post67#1, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem72#1, main_#t~mem71#1, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1, main_#t~short75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1, main_#t~malloc78#1.base, main_#t~malloc78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~memset~res83#1.base, main_#t~memset~res83#1.offset, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem88#1, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem92#1, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1, main_#t~ite93#1, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem104#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1, main_#t~pre107#1, main_#t~mem108#1.base, main_#t~mem108#1.offset, main_#t~mem109#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1, main_#t~post112#1, main_#t~mem116#1, main_#t~mem114#1, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem115#1, main_#t~mem117#1, main_#t~post118#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~post95#1, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem97#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~post128#1, main_#t~mem129#1.base, main_#t~mem129#1.offset, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem135#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~ite138#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem137#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem3#1, main_#t~post4#1, main_#t~mem5#1, main_#t~mem146#1, main_#t~mem145#1, main_#t~mem147#1, main_#t~mem148#1, main_#t~mem150#1, main_#t~mem149#1, main_#t~mem151#1, main_#t~mem152#1, main_#t~mem154#1, main_#t~mem153#1, main_#t~mem155#1, main_#t~mem156#1, main_#t~switch157#1, main_#t~mem158#1, main_#t~mem159#1, main_#t~mem160#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem163#1, main_#t~mem164#1, main_#t~mem165#1, main_#t~mem166#1, main_#t~mem167#1, main_#t~mem168#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem169#1.base, main_#t~mem169#1.offset, main_#t~mem170#1, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1, main_#t~mem180#1, main_#t~short181#1, main_#t~mem182#1.base, main_#t~mem182#1.offset, main_#t~ret183#1, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem188#1.base, main_#t~mem188#1.offset, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~short190#1, main_#t~mem191#1.base, main_#t~mem191#1.offset, main_#t~mem192#1.base, main_#t~mem192#1.offset, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1.base, main_#t~mem197#1.offset, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1.base, main_#t~mem207#1.offset, main_#t~mem208#1.base, main_#t~mem208#1.offset, main_#t~mem209#1, main_#t~mem210#1.base, main_#t~mem210#1.offset, main_#t~mem213#1, main_#t~mem211#1.base, main_#t~mem211#1.offset, main_#t~mem212#1, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1, main_#t~post217#1, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1.base, main_#t~mem219#1.offset, main_#t~mem220#1.base, main_#t~mem220#1.offset, main_#t~mem221#1.base, main_#t~mem221#1.offset, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1, main_#t~post228#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem142#1, main_#t~post143#1, main_#t~mem144#1, main_#t~mem229#1.base, main_#t~mem229#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 481#L715-4 [2021-12-15 17:31:36,819 INFO L793 eck$LassoCheckResult]: Loop: 481#L715-4 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 528#L715-1 assume !!(main_#t~mem5#1 < 1000);havoc main_#t~mem5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 443#L717 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 444#L717-2 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem8#1 * main_#t~mem9#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~mem9#1; 536#L722-124 havoc main_~_ha_hashv~0#1; 537#L722-49 goto; 476#L722-47 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 424#L722-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 425#L722-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch22#1 := 11 == main_~_hj_k~0#1; 486#L722-10 assume main_#t~switch22#1;call main_#t~mem23#1 := read~int(main_~_hj_key~0#1.base, 10 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 16777216 * (main_#t~mem23#1 % 256);havoc main_#t~mem23#1; 501#L722-12 main_#t~switch22#1 := main_#t~switch22#1 || 10 == main_~_hj_k~0#1; 458#L722-13 assume main_#t~switch22#1;call main_#t~mem24#1 := read~int(main_~_hj_key~0#1.base, 9 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 65536 * (main_#t~mem24#1 % 256);havoc main_#t~mem24#1; 459#L722-15 main_#t~switch22#1 := main_#t~switch22#1 || 9 == main_~_hj_k~0#1; 494#L722-16 assume main_#t~switch22#1;call main_#t~mem25#1 := read~int(main_~_hj_key~0#1.base, 8 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 256 * (main_#t~mem25#1 % 256);havoc main_#t~mem25#1; 521#L722-18 main_#t~switch22#1 := main_#t~switch22#1 || 8 == main_~_hj_k~0#1; 418#L722-19 assume main_#t~switch22#1;call main_#t~mem26#1 := read~int(main_~_hj_key~0#1.base, 7 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 16777216 * (main_#t~mem26#1 % 256);havoc main_#t~mem26#1; 419#L722-21 main_#t~switch22#1 := main_#t~switch22#1 || 7 == main_~_hj_k~0#1; 527#L722-22 assume !main_#t~switch22#1; 522#L722-24 main_#t~switch22#1 := main_#t~switch22#1 || 6 == main_~_hj_k~0#1; 523#L722-25 assume main_#t~switch22#1;call main_#t~mem28#1 := read~int(main_~_hj_key~0#1.base, 5 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 256 * (main_#t~mem28#1 % 256);havoc main_#t~mem28#1; 460#L722-27 main_#t~switch22#1 := main_#t~switch22#1 || 5 == main_~_hj_k~0#1; 461#L722-28 assume main_#t~switch22#1;call main_#t~mem29#1 := read~int(main_~_hj_key~0#1.base, 4 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + main_#t~mem29#1 % 256;havoc main_#t~mem29#1; 534#L722-30 main_#t~switch22#1 := main_#t~switch22#1 || 4 == main_~_hj_k~0#1; 535#L722-31 assume main_#t~switch22#1;call main_#t~mem30#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem30#1 % 256);havoc main_#t~mem30#1; 484#L722-33 main_#t~switch22#1 := main_#t~switch22#1 || 3 == main_~_hj_k~0#1; 427#L722-34 assume main_#t~switch22#1;call main_#t~mem31#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem31#1 % 256);havoc main_#t~mem31#1; 428#L722-36 main_#t~switch22#1 := main_#t~switch22#1 || 2 == main_~_hj_k~0#1; 515#L722-37 assume main_#t~switch22#1;call main_#t~mem32#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem32#1 % 256);havoc main_#t~mem32#1; 376#L722-39 main_#t~switch22#1 := main_#t~switch22#1 || 1 == main_~_hj_k~0#1; 377#L722-40 assume main_#t~switch22#1;call main_#t~mem33#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + main_#t~mem33#1 % 256;havoc main_#t~mem33#1; 505#L722-42 havoc main_#t~switch22#1; 506#L722-45 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8192);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 256 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 8192);main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 4096);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 65536 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32);main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 1024 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32768); 530#L722-44 goto; 403#L722-46 goto; 404#L722-48 goto; 546#L722-122 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 545#L722-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem51#1.base, main_#t~mem51#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem51#1.base, main_#t~mem51#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem51#1.base, main_#t~mem51#1.offset; 519#L722-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem52#1.base, main_#t~mem52#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_#t~mem52#1.base, 16 + main_#t~mem52#1.offset, 4);call main_#t~mem54#1.base, main_#t~mem54#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem55#1 := read~int(main_#t~mem54#1.base, 20 + main_#t~mem54#1.offset, 4);call write~$Pointer$(main_#t~mem53#1.base, main_#t~mem53#1.offset - main_#t~mem55#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem52#1.base, main_#t~mem52#1.offset;havoc main_#t~mem53#1.base, main_#t~mem53#1.offset;havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;havoc main_#t~mem55#1;call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1.base, main_#t~mem57#1.offset := read~$Pointer$(main_#t~mem56#1.base, 16 + main_#t~mem56#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem57#1.base, 8 + main_#t~mem57#1.offset, 4);havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1.base, main_#t~mem57#1.offset;call main_#t~mem58#1.base, main_#t~mem58#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem58#1.base, 16 + main_#t~mem58#1.offset, 4);havoc main_#t~mem58#1.base, main_#t~mem58#1.offset; 520#L722-66 goto; 488#L722-120 havoc main_~_ha_bkt~0#1;call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem60#1 := read~int(main_#t~mem59#1.base, 12 + main_#t~mem59#1.offset, 4);main_#t~post61#1 := main_#t~mem60#1;call write~int(1 + main_#t~post61#1, main_#t~mem59#1.base, 12 + main_#t~mem59#1.offset, 4);havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;havoc main_#t~mem60#1;havoc main_#t~post61#1; 477#L722-71 call main_#t~mem62#1.base, main_#t~mem62#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem63#1 := read~int(main_#t~mem62#1.base, 4 + main_#t~mem62#1.offset, 4);main_~_ha_bkt~0#1 := ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem63#1 - 1);havoc main_#t~mem62#1.base, main_#t~mem62#1.offset;havoc main_#t~mem63#1; 478#L722-70 goto; 541#L722-118 call main_#t~mem64#1.base, main_#t~mem64#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem65#1.base, main_#t~mem65#1.offset := read~$Pointer$(main_#t~mem64#1.base, main_#t~mem64#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem65#1.base, main_#t~mem65#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem64#1.base, main_#t~mem64#1.offset;havoc main_#t~mem65#1.base, main_#t~mem65#1.offset;call main_#t~mem66#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post67#1 := main_#t~mem66#1;call write~int(1 + main_#t~post67#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem66#1;havoc main_#t~post67#1;call main_#t~mem68#1.base, main_#t~mem68#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem68#1.base, main_#t~mem68#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem68#1.base, main_#t~mem68#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 407#L722-73 assume main_#t~mem69#1.base != 0 || main_#t~mem69#1.offset != 0;havoc main_#t~mem69#1.base, main_#t~mem69#1.offset;call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem70#1.base, 12 + main_#t~mem70#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset; 408#L722-75 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem72#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem71#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short75#1 := main_#t~mem72#1 % 4294967296 >= 10 * (1 + main_#t~mem71#1) % 4294967296; 497#L722-76 assume main_#t~short75#1;call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem74#1 := read~int(main_#t~mem73#1.base, 36 + main_#t~mem73#1.offset, 4);main_#t~short75#1 := 0 == main_#t~mem74#1 % 4294967296; 373#L722-78 assume !main_#t~short75#1;havoc main_#t~mem72#1;havoc main_#t~mem71#1;havoc main_#t~mem73#1.base, main_#t~mem73#1.offset;havoc main_#t~mem74#1;havoc main_#t~short75#1; 375#L722-117 goto; 469#L722-119 goto; 491#L722-121 goto; 388#L722-123 goto; 389#L715-3 call main_#t~mem3#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post4#1 := main_#t~mem3#1;call write~int(1 + main_#t~post4#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem3#1;havoc main_#t~post4#1; 481#L715-4 [2021-12-15 17:31:36,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:31:36,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2021-12-15 17:31:36,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:31:36,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006444803] [2021-12-15 17:31:36,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:31:36,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:31:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:31:36,846 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:31:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:31:36,861 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:31:36,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:31:36,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1570577107, now seen corresponding path program 1 times [2021-12-15 17:31:36,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:31:36,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160955083] [2021-12-15 17:31:36,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:31:36,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:31:36,983 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 17:31:36,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1044386532] [2021-12-15 17:31:36,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:31:36,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 17:31:36,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:31:36,986 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 17:31:36,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-15 17:31:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:31:37,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 1843 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 17:31:37,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:31:37,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:31:37,770 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 17:31:37,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:31:37,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160955083] [2021-12-15 17:31:37,771 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-15 17:31:37,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044386532] [2021-12-15 17:31:37,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044386532] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:31:37,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:31:37,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:31:37,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019119731] [2021-12-15 17:31:37,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:31:37,773 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:31:37,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:31:37,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 17:31:37,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 17:31:37,774 INFO L87 Difference]: Start difference. First operand 176 states and 231 transitions. cyclomatic complexity: 58 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) [2021-12-15 17:31:37,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:31:37,858 INFO L93 Difference]: Finished difference Result 197 states and 252 transitions. [2021-12-15 17:31:37,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 17:31:37,859 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 197 states and 252 transitions. [2021-12-15 17:31:37,861 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 190 [2021-12-15 17:31:37,862 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 197 states to 197 states and 252 transitions. [2021-12-15 17:31:37,862 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 197 [2021-12-15 17:31:37,863 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 197 [2021-12-15 17:31:37,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 197 states and 252 transitions. [2021-12-15 17:31:37,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:31:37,864 INFO L681 BuchiCegarLoop]: Abstraction has 197 states and 252 transitions. [2021-12-15 17:31:37,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states and 252 transitions. [2021-12-15 17:31:37,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 196. [2021-12-15 17:31:37,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 192 states have (on average 1.2760416666666667) internal successors, (245), 191 states have internal predecessors, (245), 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) [2021-12-15 17:31:37,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 251 transitions. [2021-12-15 17:31:37,873 INFO L704 BuchiCegarLoop]: Abstraction has 196 states and 251 transitions. [2021-12-15 17:31:37,873 INFO L587 BuchiCegarLoop]: Abstraction has 196 states and 251 transitions. [2021-12-15 17:31:37,873 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-15 17:31:37,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 196 states and 251 transitions. [2021-12-15 17:31:37,874 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 189 [2021-12-15 17:31:37,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:31:37,874 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:31:37,875 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:31:37,875 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] [2021-12-15 17:31:37,876 INFO L791 eck$LassoCheckResult]: Stem: 1084#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2); 1012#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem19#1, main_#t~mem18#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~switch22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc34#1.base, main_#t~malloc34#1.offset, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#1.offset, main_#t~memset~res37#1.base, main_#t~memset~res37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~mem39#1.base, main_#t~mem39#1.offset, main_#t~mem40#1.base, main_#t~mem40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~malloc43#1.base, main_#t~malloc43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~mem45#1.base, main_#t~mem45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~mem47#1.base, main_#t~mem47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~memset~res50#1.base, main_#t~memset~res50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~mem52#1.base, main_#t~mem52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1, main_#t~post61#1, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1, main_#t~post67#1, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem72#1, main_#t~mem71#1, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1, main_#t~short75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1, main_#t~malloc78#1.base, main_#t~malloc78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~memset~res83#1.base, main_#t~memset~res83#1.offset, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem88#1, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem92#1, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1, main_#t~ite93#1, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem104#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1, main_#t~pre107#1, main_#t~mem108#1.base, main_#t~mem108#1.offset, main_#t~mem109#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1, main_#t~post112#1, main_#t~mem116#1, main_#t~mem114#1, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem115#1, main_#t~mem117#1, main_#t~post118#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~post95#1, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem97#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~post128#1, main_#t~mem129#1.base, main_#t~mem129#1.offset, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem135#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~ite138#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem137#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem3#1, main_#t~post4#1, main_#t~mem5#1, main_#t~mem146#1, main_#t~mem145#1, main_#t~mem147#1, main_#t~mem148#1, main_#t~mem150#1, main_#t~mem149#1, main_#t~mem151#1, main_#t~mem152#1, main_#t~mem154#1, main_#t~mem153#1, main_#t~mem155#1, main_#t~mem156#1, main_#t~switch157#1, main_#t~mem158#1, main_#t~mem159#1, main_#t~mem160#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem163#1, main_#t~mem164#1, main_#t~mem165#1, main_#t~mem166#1, main_#t~mem167#1, main_#t~mem168#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem169#1.base, main_#t~mem169#1.offset, main_#t~mem170#1, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1, main_#t~mem180#1, main_#t~short181#1, main_#t~mem182#1.base, main_#t~mem182#1.offset, main_#t~ret183#1, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem188#1.base, main_#t~mem188#1.offset, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~short190#1, main_#t~mem191#1.base, main_#t~mem191#1.offset, main_#t~mem192#1.base, main_#t~mem192#1.offset, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1.base, main_#t~mem197#1.offset, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1.base, main_#t~mem207#1.offset, main_#t~mem208#1.base, main_#t~mem208#1.offset, main_#t~mem209#1, main_#t~mem210#1.base, main_#t~mem210#1.offset, main_#t~mem213#1, main_#t~mem211#1.base, main_#t~mem211#1.offset, main_#t~mem212#1, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1, main_#t~post217#1, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1.base, main_#t~mem219#1.offset, main_#t~mem220#1.base, main_#t~mem220#1.offset, main_#t~mem221#1.base, main_#t~mem221#1.offset, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1, main_#t~post228#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem142#1, main_#t~post143#1, main_#t~mem144#1, main_#t~mem229#1.base, main_#t~mem229#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 1013#L715-4 [2021-12-15 17:31:37,876 INFO L793 eck$LassoCheckResult]: Loop: 1013#L715-4 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 1064#L715-1 assume !!(main_#t~mem5#1 < 1000);havoc main_#t~mem5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 975#L717 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 976#L717-2 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem8#1 * main_#t~mem9#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~mem9#1; 1072#L722-124 havoc main_~_ha_hashv~0#1; 1073#L722-49 goto; 1006#L722-47 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 954#L722-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 955#L722-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch22#1 := 11 == main_~_hj_k~0#1; 1019#L722-10 assume !main_#t~switch22#1; 1063#L722-12 main_#t~switch22#1 := main_#t~switch22#1 || 10 == main_~_hj_k~0#1; 1086#L722-13 assume main_#t~switch22#1;call main_#t~mem24#1 := read~int(main_~_hj_key~0#1.base, 9 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 65536 * (main_#t~mem24#1 % 256);havoc main_#t~mem24#1; 985#L722-15 main_#t~switch22#1 := main_#t~switch22#1 || 9 == main_~_hj_k~0#1; 1027#L722-16 assume main_#t~switch22#1;call main_#t~mem25#1 := read~int(main_~_hj_key~0#1.base, 8 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 256 * (main_#t~mem25#1 % 256);havoc main_#t~mem25#1; 1056#L722-18 main_#t~switch22#1 := main_#t~switch22#1 || 8 == main_~_hj_k~0#1; 945#L722-19 assume main_#t~switch22#1;call main_#t~mem26#1 := read~int(main_~_hj_key~0#1.base, 7 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 16777216 * (main_#t~mem26#1 % 256);havoc main_#t~mem26#1; 946#L722-21 main_#t~switch22#1 := main_#t~switch22#1 || 7 == main_~_hj_k~0#1; 1061#L722-22 assume main_#t~switch22#1;call main_#t~mem27#1 := read~int(main_~_hj_key~0#1.base, 6 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 65536 * (main_#t~mem27#1 % 256);havoc main_#t~mem27#1; 1057#L722-24 main_#t~switch22#1 := main_#t~switch22#1 || 6 == main_~_hj_k~0#1; 1058#L722-25 assume main_#t~switch22#1;call main_#t~mem28#1 := read~int(main_~_hj_key~0#1.base, 5 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 256 * (main_#t~mem28#1 % 256);havoc main_#t~mem28#1; 986#L722-27 main_#t~switch22#1 := main_#t~switch22#1 || 5 == main_~_hj_k~0#1; 987#L722-28 assume main_#t~switch22#1;call main_#t~mem29#1 := read~int(main_~_hj_key~0#1.base, 4 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + main_#t~mem29#1 % 256;havoc main_#t~mem29#1; 1069#L722-30 main_#t~switch22#1 := main_#t~switch22#1 || 4 == main_~_hj_k~0#1; 1070#L722-31 assume main_#t~switch22#1;call main_#t~mem30#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem30#1 % 256);havoc main_#t~mem30#1; 1085#L722-33 main_#t~switch22#1 := main_#t~switch22#1 || 3 == main_~_hj_k~0#1; 957#L722-34 assume main_#t~switch22#1;call main_#t~mem31#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem31#1 % 256);havoc main_#t~mem31#1; 958#L722-36 main_#t~switch22#1 := main_#t~switch22#1 || 2 == main_~_hj_k~0#1; 1049#L722-37 assume main_#t~switch22#1;call main_#t~mem32#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem32#1 % 256);havoc main_#t~mem32#1; 1050#L722-39 main_#t~switch22#1 := main_#t~switch22#1 || 1 == main_~_hj_k~0#1; 1055#L722-40 assume main_#t~switch22#1;call main_#t~mem33#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + main_#t~mem33#1 % 256;havoc main_#t~mem33#1; 1040#L722-42 havoc main_#t~switch22#1; 1041#L722-45 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8192);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 256 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 8192);main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 4096);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 65536 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32);main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 1024 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32768); 1068#L722-44 goto; 935#L722-46 goto; 936#L722-48 goto; 1082#L722-122 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 1081#L722-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem51#1.base, main_#t~mem51#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem51#1.base, main_#t~mem51#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem51#1.base, main_#t~mem51#1.offset; 1053#L722-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem52#1.base, main_#t~mem52#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_#t~mem52#1.base, 16 + main_#t~mem52#1.offset, 4);call main_#t~mem54#1.base, main_#t~mem54#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem55#1 := read~int(main_#t~mem54#1.base, 20 + main_#t~mem54#1.offset, 4);call write~$Pointer$(main_#t~mem53#1.base, main_#t~mem53#1.offset - main_#t~mem55#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem52#1.base, main_#t~mem52#1.offset;havoc main_#t~mem53#1.base, main_#t~mem53#1.offset;havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;havoc main_#t~mem55#1;call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1.base, main_#t~mem57#1.offset := read~$Pointer$(main_#t~mem56#1.base, 16 + main_#t~mem56#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem57#1.base, 8 + main_#t~mem57#1.offset, 4);havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1.base, main_#t~mem57#1.offset;call main_#t~mem58#1.base, main_#t~mem58#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem58#1.base, 16 + main_#t~mem58#1.offset, 4);havoc main_#t~mem58#1.base, main_#t~mem58#1.offset; 1054#L722-66 goto; 1023#L722-120 havoc main_~_ha_bkt~0#1;call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem60#1 := read~int(main_#t~mem59#1.base, 12 + main_#t~mem59#1.offset, 4);main_#t~post61#1 := main_#t~mem60#1;call write~int(1 + main_#t~post61#1, main_#t~mem59#1.base, 12 + main_#t~mem59#1.offset, 4);havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;havoc main_#t~mem60#1;havoc main_#t~post61#1; 1009#L722-71 call main_#t~mem62#1.base, main_#t~mem62#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem63#1 := read~int(main_#t~mem62#1.base, 4 + main_#t~mem62#1.offset, 4);main_~_ha_bkt~0#1 := ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem63#1 - 1);havoc main_#t~mem62#1.base, main_#t~mem62#1.offset;havoc main_#t~mem63#1; 1010#L722-70 goto; 1077#L722-118 call main_#t~mem64#1.base, main_#t~mem64#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem65#1.base, main_#t~mem65#1.offset := read~$Pointer$(main_#t~mem64#1.base, main_#t~mem64#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem65#1.base, main_#t~mem65#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem64#1.base, main_#t~mem64#1.offset;havoc main_#t~mem65#1.base, main_#t~mem65#1.offset;call main_#t~mem66#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post67#1 := main_#t~mem66#1;call write~int(1 + main_#t~post67#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem66#1;havoc main_#t~post67#1;call main_#t~mem68#1.base, main_#t~mem68#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem68#1.base, main_#t~mem68#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem68#1.base, main_#t~mem68#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 939#L722-73 assume main_#t~mem69#1.base != 0 || main_#t~mem69#1.offset != 0;havoc main_#t~mem69#1.base, main_#t~mem69#1.offset;call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem70#1.base, 12 + main_#t~mem70#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset; 940#L722-75 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem72#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem71#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short75#1 := main_#t~mem72#1 % 4294967296 >= 10 * (1 + main_#t~mem71#1) % 4294967296; 1030#L722-76 assume main_#t~short75#1;call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem74#1 := read~int(main_#t~mem73#1.base, 36 + main_#t~mem73#1.offset, 4);main_#t~short75#1 := 0 == main_#t~mem74#1 % 4294967296; 905#L722-78 assume !main_#t~short75#1;havoc main_#t~mem72#1;havoc main_#t~mem71#1;havoc main_#t~mem73#1.base, main_#t~mem73#1.offset;havoc main_#t~mem74#1;havoc main_#t~short75#1; 907#L722-117 goto; 1003#L722-119 goto; 1024#L722-121 goto; 924#L722-123 goto; 925#L715-3 call main_#t~mem3#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post4#1 := main_#t~mem3#1;call write~int(1 + main_#t~post4#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem3#1;havoc main_#t~post4#1; 1013#L715-4 [2021-12-15 17:31:37,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:31:37,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 3 times [2021-12-15 17:31:37,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:31:37,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3955142] [2021-12-15 17:31:37,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:31:37,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:31:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:31:37,892 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:31:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:31:37,908 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:31:37,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:31:37,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1623964883, now seen corresponding path program 1 times [2021-12-15 17:31:37,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:31:37,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309606332] [2021-12-15 17:31:37,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:31:37,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:31:38,000 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 17:31:38,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1928406980] [2021-12-15 17:31:38,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:31:38,001 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 17:31:38,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:31:38,009 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 17:31:38,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-15 17:31:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:31:38,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 1843 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-15 17:31:38,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:31:38,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:31:38,764 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 17:31:38,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:31:38,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309606332] [2021-12-15 17:31:38,765 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-15 17:31:38,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928406980] [2021-12-15 17:31:38,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928406980] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:31:38,765 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:31:38,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-15 17:31:38,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113586319] [2021-12-15 17:31:38,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:31:38,766 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:31:38,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:31:38,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-15 17:31:38,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-15 17:31:38,767 INFO L87 Difference]: Start difference. First operand 196 states and 251 transitions. cyclomatic complexity: 58 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:31:38,882 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructOldVarsAssignment(OldVarsAssignmentCache.java:125) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getOldVarsAssignment(OldVarsAssignmentCache.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.assertCodeBlock(IncrementalHoareTripleChecker.java:387) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.prepareAssertionStackAndAddTransition(IncrementalHoareTripleChecker.java:206) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkReturn(IncrementalHoareTripleChecker.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.checkReturn(ChainingHoareTripleChecker.java:486) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.checkReturn(ChainingHoareTripleChecker.java:128) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkReturn(CachingHoareTripleChecker.java:153) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$ReturnSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:442) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.returnSuccessors(AbstractInterpolantAutomaton.java:279) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.returnSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.returnSuccessors(TotalizeNwa.java:308) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.returnSuccessors(ComplementDeterministicNwa.java:142) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.returnSuccessors(ProductNwa.java:284) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.returnSuccessorsGivenHier(ProductNwa.java:308) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addReturnsAndSuccessors(NestedWordAutomatonReachableStates.java:1118) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:950) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineFinite(BuchiCegarLoop.java:950) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:530) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 17:31:38,886 INFO L158 Benchmark]: Toolchain (without parser) took 4475.11ms. Allocated memory was 102.8MB in the beginning and 169.9MB in the end (delta: 67.1MB). Free memory was 71.6MB in the beginning and 108.5MB in the end (delta: -36.8MB). Peak memory consumption was 90.6MB. Max. memory is 16.1GB. [2021-12-15 17:31:38,887 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:31:38,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 580.62ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 71.4MB in the beginning and 101.8MB in the end (delta: -30.4MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2021-12-15 17:31:38,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.98ms. Allocated memory is still 134.2MB. Free memory was 101.8MB in the beginning and 95.6MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 17:31:38,889 INFO L158 Benchmark]: Boogie Preprocessor took 130.08ms. Allocated memory is still 134.2MB. Free memory was 95.0MB in the beginning and 88.0MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 17:31:38,889 INFO L158 Benchmark]: RCFGBuilder took 1117.58ms. Allocated memory is still 134.2MB. Free memory was 88.0MB in the beginning and 82.0MB in the end (delta: 6.0MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2021-12-15 17:31:38,890 INFO L158 Benchmark]: BuchiAutomizer took 2540.61ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 82.0MB in the beginning and 108.5MB in the end (delta: -26.5MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. [2021-12-15 17:31:38,893 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 580.62ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 71.4MB in the beginning and 101.8MB in the end (delta: -30.4MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.98ms. Allocated memory is still 134.2MB. Free memory was 101.8MB in the beginning and 95.6MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.08ms. Allocated memory is still 134.2MB. Free memory was 95.0MB in the beginning and 88.0MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1117.58ms. Allocated memory is still 134.2MB. Free memory was 88.0MB in the beginning and 82.0MB in the end (delta: 6.0MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2540.61ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 82.0MB in the beginning and 108.5MB in the end (delta: -26.5MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 17:31:38,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-15 17:31:39,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-15 17:31:39,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable