./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.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_OAT_test1-2.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 bfb70cce6cd508003f6161c30aa2ac99ac8ddeb6209ddd86b65ca0c623c2fb1c --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:31:58,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:31:58,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:31:58,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:31:58,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:31:58,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:31:58,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:31:58,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:31:58,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:31:58,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:31:58,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:31:58,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:31:58,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:31:58,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:31:58,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:31:58,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:31:58,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:31:58,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:31:58,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:31:58,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:31:58,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:31:58,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:31:58,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:31:58,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:31:58,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:31:58,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:31:58,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:31:58,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:31:58,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:31:58,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:31:58,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:31:58,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:31:58,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:31:58,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:31:58,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:31:58,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:31:58,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:31:58,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:31:58,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:31:58,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:31:58,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:31:58,388 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:31:58,410 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:31:58,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:31:58,414 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:31:58,414 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:31:58,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:31:58,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:31:58,416 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:31:58,416 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:31:58,416 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:31:58,416 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:31:58,417 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:31:58,417 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:31:58,417 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:31:58,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:31:58,417 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:31:58,417 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:31:58,418 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:31:58,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:31:58,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:31:58,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:31:58,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:31:58,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:31:58,418 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:31:58,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:31:58,419 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:31:58,419 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:31:58,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:31:58,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:31:58,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:31:58,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:31:58,420 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:31:58,420 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:31:58,420 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:31:58,421 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfb70cce6cd508003f6161c30aa2ac99ac8ddeb6209ddd86b65ca0c623c2fb1c [2021-12-15 17:31:58,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:31:58,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:31:58,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:31:58,657 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:31:58,658 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:31:58,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i [2021-12-15 17:31:58,708 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e6a7432e/d32d643c53c442d9921d2b4ea58e2853/FLAG5a89c9431 [2021-12-15 17:31:59,106 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:31:59,109 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i [2021-12-15 17:31:59,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e6a7432e/d32d643c53c442d9921d2b4ea58e2853/FLAG5a89c9431 [2021-12-15 17:31:59,488 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e6a7432e/d32d643c53c442d9921d2b4ea58e2853 [2021-12-15 17:31:59,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:31:59,491 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:31:59,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:31:59,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:31:59,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:31:59,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:31:59" (1/1) ... [2021-12-15 17:31:59,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d4faac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:59, skipping insertion in model container [2021-12-15 17:31:59,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:31:59" (1/1) ... [2021-12-15 17:31:59,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:31:59,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:31:59,772 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_OAT_test1-2.i[33021,33034] [2021-12-15 17:31:59,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:31:59,846 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:31:59,875 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_OAT_test1-2.i[33021,33034] [2021-12-15 17:31:59,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:31:59,940 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:31:59,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:59 WrapperNode [2021-12-15 17:31:59,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:31:59,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:31:59,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:31:59,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:31:59,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:59" (1/1) ... [2021-12-15 17:31:59,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:59" (1/1) ... [2021-12-15 17:32:00,011 INFO L137 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 807 [2021-12-15 17:32:00,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:32:00,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:32:00,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:32:00,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:32:00,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:59" (1/1) ... [2021-12-15 17:32:00,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:59" (1/1) ... [2021-12-15 17:32:00,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:59" (1/1) ... [2021-12-15 17:32:00,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:59" (1/1) ... [2021-12-15 17:32:00,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:59" (1/1) ... [2021-12-15 17:32:00,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:59" (1/1) ... [2021-12-15 17:32:00,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:59" (1/1) ... [2021-12-15 17:32:00,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:32:00,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:32:00,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:32:00,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:32:00,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:59" (1/1) ... [2021-12-15 17:32:00,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:32:00,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:32:00,164 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 17:32:00,184 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 17:32:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 17:32:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 17:32:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 17:32:00,195 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 17:32:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 17:32:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:32:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 17:32:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 17:32:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 17:32:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 17:32:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:32:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:32:00,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:32:00,357 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:32:00,358 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:32:00,360 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 17:32:00,963 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:32:00,968 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:32:00,971 INFO L301 CfgBuilder]: Removed 40 assume(true) statements. [2021-12-15 17:32:00,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:32:00 BoogieIcfgContainer [2021-12-15 17:32:00,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:32:00,976 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:32:00,976 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:32:00,978 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:32:00,979 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:32:00,979 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:31:59" (1/3) ... [2021-12-15 17:32:00,980 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a954983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:32:00, skipping insertion in model container [2021-12-15 17:32:00,980 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:32:00,980 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:31:59" (2/3) ... [2021-12-15 17:32:00,981 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a954983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:32:00, skipping insertion in model container [2021-12-15 17:32:00,997 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:32:00,997 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:32:00" (3/3) ... [2021-12-15 17:32:01,002 INFO L388 chiAutomizerObserver]: Analyzing ICFG uthash_OAT_test1-2.i [2021-12-15 17:32:01,040 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:32:01,041 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:32:01,041 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:32:01,041 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:32:01,041 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:32:01,041 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:32:01,041 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:32:01,041 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:32:01,062 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 162 states, 157 states have (on average 1.6496815286624205) internal successors, (259), 157 states have internal predecessors, (259), 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 17:32:01,107 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 148 [2021-12-15 17:32:01,107 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:32:01,108 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:32:01,113 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:32:01,113 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-15 17:32:01,113 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:32:01,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 162 states, 157 states have (on average 1.6496815286624205) internal successors, (259), 157 states have internal predecessors, (259), 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 17:32:01,120 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 148 [2021-12-15 17:32:01,120 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:32:01,120 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:32:01,121 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:32:01,121 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-15 17:32:01,125 INFO L791 eck$LassoCheckResult]: Stem: 146#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 53#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~switch19#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc31#1.base, main_#t~malloc31#1.offset, main_#t~mem32#1.base, main_#t~mem32#1.offset, main_#t~mem33#1.base, main_#t~mem33#1.offset, main_#t~memset~res34#1.base, main_#t~memset~res34#1.offset, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~mem39#1.base, main_#t~mem39#1.offset, main_#t~malloc40#1.base, main_#t~malloc40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~mem43#1.base, main_#t~mem43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~mem45#1.base, main_#t~mem45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~memset~res47#1.base, main_#t~memset~res47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~mem52#1, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1, main_#t~post58#1, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1, main_#t~post64#1, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem69#1, main_#t~mem68#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1, main_#t~short72#1, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1, main_#t~malloc75#1.base, main_#t~malloc75#1.offset, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~memset~res80#1.base, main_#t~memset~res80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem85#1, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem89#1, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem88#1, main_#t~ite90#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem101#1, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~pre104#1, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~post109#1, main_#t~mem113#1, main_#t~mem111#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem112#1, main_#t~mem114#1, main_#t~post115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1.base, main_#t~mem117#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~post92#1, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~post125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1.base, main_#t~mem129#1.offset, main_#t~mem132#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ite135#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem137#1, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~post5#1, main_#t~mem140#1, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~ite143#1.base, main_#t~ite143#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem146#1.base, main_#t~mem146#1.offset, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~short148#1, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~mem158#1.base, main_#t~mem158#1.offset, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1.base, main_#t~mem164#1.offset, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1.base, main_#t~mem166#1.offset, main_#t~mem167#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem171#1, main_#t~mem169#1.base, main_#t~mem169#1.offset, main_#t~mem170#1, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1, main_#t~post175#1, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1.base, main_#t~mem180#1.offset, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1.base, main_#t~mem182#1.offset, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1, main_#t~post186#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite145#1.base, main_#t~ite145#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;havoc main_~i~0#1;havoc main_~user~0#1.base, main_~user~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;main_~i~0#1 := 0; 130#L750-3true [2021-12-15 17:32:01,126 INFO L793 eck$LassoCheckResult]: Loop: 130#L750-3true assume !!(main_~i~0#1 < 10);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 89#L752true assume main_~user~0#1.base == 0 && main_~user~0#1.offset == 0;assume false; 91#L752-2true call write~int(main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, 4);call write~int(main_~i~0#1 * main_~i~0#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4); 113#L757-124true assume !true; 64#L750-2true main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 130#L750-3true [2021-12-15 17:32:01,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:32:01,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2021-12-15 17:32:01,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:32:01,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292287798] [2021-12-15 17:32:01,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:32:01,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:32:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:32:01,199 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:32:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:32:01,234 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:32:01,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:32:01,236 INFO L85 PathProgramCache]: Analyzing trace with hash 46868472, now seen corresponding path program 1 times [2021-12-15 17:32:01,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:32:01,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981658569] [2021-12-15 17:32:01,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:32:01,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:32:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:32:01,284 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 17:32:01,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:32:01,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981658569] [2021-12-15 17:32:01,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981658569] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:32:01,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:32:01,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 17:32:01,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607714941] [2021-12-15 17:32:01,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:32:01,289 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:32:01,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:32:01,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-15 17:32:01,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-15 17:32:01,313 INFO L87 Difference]: Start difference. First operand has 162 states, 157 states have (on average 1.6496815286624205) internal successors, (259), 157 states have internal predecessors, (259), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:32:01,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:32:01,328 INFO L93 Difference]: Finished difference Result 162 states and 211 transitions. [2021-12-15 17:32:01,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-15 17:32:01,332 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 211 transitions. [2021-12-15 17:32:01,337 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 148 [2021-12-15 17:32:01,342 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 158 states and 207 transitions. [2021-12-15 17:32:01,343 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 158 [2021-12-15 17:32:01,343 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 158 [2021-12-15 17:32:01,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 158 states and 207 transitions. [2021-12-15 17:32:01,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:32:01,345 INFO L681 BuchiCegarLoop]: Abstraction has 158 states and 207 transitions. [2021-12-15 17:32:01,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states and 207 transitions. [2021-12-15 17:32:01,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2021-12-15 17:32:01,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 154 states have (on average 1.3051948051948052) internal successors, (201), 153 states have internal predecessors, (201), 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 17:32:01,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 207 transitions. [2021-12-15 17:32:01,368 INFO L704 BuchiCegarLoop]: Abstraction has 158 states and 207 transitions. [2021-12-15 17:32:01,368 INFO L587 BuchiCegarLoop]: Abstraction has 158 states and 207 transitions. [2021-12-15 17:32:01,368 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:32:01,368 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 158 states and 207 transitions. [2021-12-15 17:32:01,375 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 148 [2021-12-15 17:32:01,376 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:32:01,376 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:32:01,377 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:32:01,378 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:32:01,378 INFO L791 eck$LassoCheckResult]: Stem: 487#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 419#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~switch19#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc31#1.base, main_#t~malloc31#1.offset, main_#t~mem32#1.base, main_#t~mem32#1.offset, main_#t~mem33#1.base, main_#t~mem33#1.offset, main_#t~memset~res34#1.base, main_#t~memset~res34#1.offset, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~mem39#1.base, main_#t~mem39#1.offset, main_#t~malloc40#1.base, main_#t~malloc40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~mem43#1.base, main_#t~mem43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~mem45#1.base, main_#t~mem45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~memset~res47#1.base, main_#t~memset~res47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~mem52#1, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1, main_#t~post58#1, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1, main_#t~post64#1, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem69#1, main_#t~mem68#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1, main_#t~short72#1, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1, main_#t~malloc75#1.base, main_#t~malloc75#1.offset, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~memset~res80#1.base, main_#t~memset~res80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem85#1, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem89#1, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem88#1, main_#t~ite90#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem101#1, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~pre104#1, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~post109#1, main_#t~mem113#1, main_#t~mem111#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem112#1, main_#t~mem114#1, main_#t~post115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1.base, main_#t~mem117#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~post92#1, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~post125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1.base, main_#t~mem129#1.offset, main_#t~mem132#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ite135#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem137#1, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~post5#1, main_#t~mem140#1, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~ite143#1.base, main_#t~ite143#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem146#1.base, main_#t~mem146#1.offset, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~short148#1, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~mem158#1.base, main_#t~mem158#1.offset, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1.base, main_#t~mem164#1.offset, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1.base, main_#t~mem166#1.offset, main_#t~mem167#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem171#1, main_#t~mem169#1.base, main_#t~mem169#1.offset, main_#t~mem170#1, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1, main_#t~post175#1, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1.base, main_#t~mem180#1.offset, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1.base, main_#t~mem182#1.offset, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1, main_#t~post186#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite145#1.base, main_#t~ite145#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;havoc main_~i~0#1;havoc main_~user~0#1.base, main_~user~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;main_~i~0#1 := 0; 420#L750-3 [2021-12-15 17:32:01,379 INFO L793 eck$LassoCheckResult]: Loop: 420#L750-3 assume !!(main_~i~0#1 < 10);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 459#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 460#L752-2 call write~int(main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, 4);call write~int(main_~i~0#1 * main_~i~0#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4); 462#L757-124 havoc main_~_ha_hashv~0#1; 461#L757-49 goto; 445#L757-47 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 336#L757-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 337#L757-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch19#1 := 11 == main_~_hj_k~0#1; 404#L757-10 assume main_#t~switch19#1;call main_#t~mem20#1 := read~int(main_~_hj_key~0#1.base, 10 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 16777216 * (main_#t~mem20#1 % 256);havoc main_#t~mem20#1; 485#L757-12 main_#t~switch19#1 := main_#t~switch19#1 || 10 == main_~_hj_k~0#1; 385#L757-13 assume main_#t~switch19#1;call main_#t~mem21#1 := read~int(main_~_hj_key~0#1.base, 9 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 65536 * (main_#t~mem21#1 % 256);havoc main_#t~mem21#1; 334#L757-15 main_#t~switch19#1 := main_#t~switch19#1 || 9 == main_~_hj_k~0#1; 335#L757-16 assume main_#t~switch19#1;call main_#t~mem22#1 := read~int(main_~_hj_key~0#1.base, 8 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 256 * (main_#t~mem22#1 % 256);havoc main_#t~mem22#1; 478#L757-18 main_#t~switch19#1 := main_#t~switch19#1 || 8 == main_~_hj_k~0#1; 464#L757-19 assume main_#t~switch19#1;call main_#t~mem23#1 := read~int(main_~_hj_key~0#1.base, 7 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 16777216 * (main_#t~mem23#1 % 256);havoc main_#t~mem23#1; 371#L757-21 main_#t~switch19#1 := main_#t~switch19#1 || 7 == main_~_hj_k~0#1; 372#L757-22 assume !main_#t~switch19#1; 444#L757-24 main_#t~switch19#1 := main_#t~switch19#1 || 6 == main_~_hj_k~0#1; 408#L757-25 assume main_#t~switch19#1;call main_#t~mem25#1 := read~int(main_~_hj_key~0#1.base, 5 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 256 * (main_#t~mem25#1 % 256);havoc main_#t~mem25#1; 409#L757-27 main_#t~switch19#1 := main_#t~switch19#1 || 5 == main_~_hj_k~0#1; 484#L757-28 assume main_#t~switch19#1;call main_#t~mem26#1 := read~int(main_~_hj_key~0#1.base, 4 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + main_#t~mem26#1 % 256;havoc main_#t~mem26#1; 482#L757-30 main_#t~switch19#1 := main_#t~switch19#1 || 4 == main_~_hj_k~0#1; 481#L757-31 assume main_#t~switch19#1;call main_#t~mem27#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem27#1 % 256);havoc main_#t~mem27#1; 349#L757-33 main_#t~switch19#1 := main_#t~switch19#1 || 3 == main_~_hj_k~0#1; 350#L757-34 assume main_#t~switch19#1;call main_#t~mem28#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem28#1 % 256);havoc main_#t~mem28#1; 440#L757-36 main_#t~switch19#1 := main_#t~switch19#1 || 2 == main_~_hj_k~0#1; 423#L757-37 assume main_#t~switch19#1;call main_#t~mem29#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem29#1 % 256);havoc main_#t~mem29#1; 424#L757-39 main_#t~switch19#1 := main_#t~switch19#1 || 1 == main_~_hj_k~0#1; 373#L757-40 assume main_#t~switch19#1;call main_#t~mem30#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + main_#t~mem30#1 % 256;havoc main_#t~mem30#1; 356#L757-42 havoc main_#t~switch19#1; 357#L757-45 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8192);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 256 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 8192);main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 4096);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 65536 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32);main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 1024 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32768); 414#L757-44 goto; 467#L757-46 goto; 468#L757-48 goto; 415#L757-122 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 416#L757-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem48#1.base, main_#t~mem48#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem48#1.base, main_#t~mem48#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem48#1.base, main_#t~mem48#1.offset; 473#L757-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem49#1.base, main_#t~mem49#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem50#1.base, main_#t~mem50#1.offset := read~$Pointer$(main_#t~mem49#1.base, 16 + main_#t~mem49#1.offset, 4);call main_#t~mem51#1.base, main_#t~mem51#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_#t~mem51#1.base, 20 + main_#t~mem51#1.offset, 4);call write~$Pointer$(main_#t~mem50#1.base, main_#t~mem50#1.offset - main_#t~mem52#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem49#1.base, main_#t~mem49#1.offset;havoc main_#t~mem50#1.base, main_#t~mem50#1.offset;havoc main_#t~mem51#1.base, main_#t~mem51#1.offset;havoc main_#t~mem52#1;call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem54#1.base, main_#t~mem54#1.offset := read~$Pointer$(main_#t~mem53#1.base, 16 + main_#t~mem53#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem54#1.base, 8 + main_#t~mem54#1.offset, 4);havoc main_#t~mem53#1.base, main_#t~mem53#1.offset;havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;call main_#t~mem55#1.base, main_#t~mem55#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem55#1.base, 16 + main_#t~mem55#1.offset, 4);havoc main_#t~mem55#1.base, main_#t~mem55#1.offset; 474#L757-66 goto; 376#L757-120 havoc main_~_ha_bkt~0#1;call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1 := read~int(main_#t~mem56#1.base, 12 + main_#t~mem56#1.offset, 4);main_#t~post58#1 := main_#t~mem57#1;call write~int(1 + main_#t~post58#1, main_#t~mem56#1.base, 12 + main_#t~mem56#1.offset, 4);havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1;havoc main_#t~post58#1; 442#L757-71 call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem60#1 := read~int(main_#t~mem59#1.base, 4 + main_#t~mem59#1.offset, 4);main_~_ha_bkt~0#1 := ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem60#1 - 1);havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;havoc main_#t~mem60#1; 443#L757-70 goto; 456#L757-118 call main_#t~mem61#1.base, main_#t~mem61#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem62#1.base, main_#t~mem62#1.offset := read~$Pointer$(main_#t~mem61#1.base, main_#t~mem61#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem62#1.base, main_#t~mem62#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem61#1.base, main_#t~mem61#1.offset;havoc main_#t~mem62#1.base, main_#t~mem62#1.offset;call main_#t~mem63#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post64#1 := main_#t~mem63#1;call write~int(1 + main_#t~post64#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem63#1;havoc main_#t~post64#1;call main_#t~mem65#1.base, main_#t~mem65#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem65#1.base, main_#t~mem65#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem65#1.base, main_#t~mem65#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 463#L757-73 assume main_#t~mem66#1.base != 0 || main_#t~mem66#1.offset != 0;havoc main_#t~mem66#1.base, main_#t~mem66#1.offset;call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem67#1.base, 12 + main_#t~mem67#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset; 397#L757-75 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem69#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem68#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short72#1 := main_#t~mem69#1 % 4294967296 >= 10 * (1 + main_#t~mem68#1) % 4294967296; 398#L757-76 assume main_#t~short72#1;call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem71#1 := read~int(main_#t~mem70#1.base, 36 + main_#t~mem70#1.offset, 4);main_#t~short72#1 := 0 == main_#t~mem71#1 % 4294967296; 476#L757-78 assume !main_#t~short72#1;havoc main_#t~mem69#1;havoc main_#t~mem68#1;havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;havoc main_#t~mem71#1;havoc main_#t~short72#1; 380#L757-117 goto; 381#L757-119 goto; 394#L757-121 goto; 395#L757-123 goto; 432#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 420#L750-3 [2021-12-15 17:32:01,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:32:01,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2021-12-15 17:32:01,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:32:01,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080274547] [2021-12-15 17:32:01,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:32:01,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:32:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:32:01,396 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:32:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:32:01,403 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:32:01,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:32:01,404 INFO L85 PathProgramCache]: Analyzing trace with hash 155189657, now seen corresponding path program 1 times [2021-12-15 17:32:01,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:32:01,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716757105] [2021-12-15 17:32:01,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:32:01,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:32:01,505 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 17:32:01,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [345120933] [2021-12-15 17:32:01,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:32:01,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 17:32:01,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:32:01,507 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 17:32:01,508 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 17:32:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:32:01,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 1816 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 17:32:01,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:32:02,111 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 17:32:02,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 17:32:02,112 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:32:02,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716757105] [2021-12-15 17:32:02,112 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-15 17:32:02,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345120933] [2021-12-15 17:32:02,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345120933] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:32:02,113 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:32:02,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:32:02,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317198244] [2021-12-15 17:32:02,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:32:02,114 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:32:02,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:32:02,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 17:32:02,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 17:32:02,117 INFO L87 Difference]: Start difference. First operand 158 states and 207 transitions. cyclomatic complexity: 53 Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:32:02,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:32:02,202 INFO L93 Difference]: Finished difference Result 179 states and 228 transitions. [2021-12-15 17:32:02,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 17:32:02,203 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 179 states and 228 transitions. [2021-12-15 17:32:02,205 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 169 [2021-12-15 17:32:02,209 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 179 states to 179 states and 228 transitions. [2021-12-15 17:32:02,209 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2021-12-15 17:32:02,210 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2021-12-15 17:32:02,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 228 transitions. [2021-12-15 17:32:02,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:32:02,211 INFO L681 BuchiCegarLoop]: Abstraction has 179 states and 228 transitions. [2021-12-15 17:32:02,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 228 transitions. [2021-12-15 17:32:02,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 178. [2021-12-15 17:32:02,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 174 states have (on average 1.2701149425287357) internal successors, (221), 173 states have internal predecessors, (221), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-15 17:32:02,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 227 transitions. [2021-12-15 17:32:02,217 INFO L704 BuchiCegarLoop]: Abstraction has 178 states and 227 transitions. [2021-12-15 17:32:02,217 INFO L587 BuchiCegarLoop]: Abstraction has 178 states and 227 transitions. [2021-12-15 17:32:02,217 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-15 17:32:02,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 178 states and 227 transitions. [2021-12-15 17:32:02,218 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 168 [2021-12-15 17:32:02,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:32:02,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:32:02,220 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:32:02,220 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:32:02,220 INFO L791 eck$LassoCheckResult]: Stem: 987#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 912#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~switch19#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc31#1.base, main_#t~malloc31#1.offset, main_#t~mem32#1.base, main_#t~mem32#1.offset, main_#t~mem33#1.base, main_#t~mem33#1.offset, main_#t~memset~res34#1.base, main_#t~memset~res34#1.offset, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~mem39#1.base, main_#t~mem39#1.offset, main_#t~malloc40#1.base, main_#t~malloc40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~mem43#1.base, main_#t~mem43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~mem45#1.base, main_#t~mem45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~memset~res47#1.base, main_#t~memset~res47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~mem52#1, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1, main_#t~post58#1, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1, main_#t~post64#1, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem69#1, main_#t~mem68#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1, main_#t~short72#1, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1, main_#t~malloc75#1.base, main_#t~malloc75#1.offset, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~memset~res80#1.base, main_#t~memset~res80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem85#1, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem89#1, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem88#1, main_#t~ite90#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem101#1, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~pre104#1, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~post109#1, main_#t~mem113#1, main_#t~mem111#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem112#1, main_#t~mem114#1, main_#t~post115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1.base, main_#t~mem117#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~post92#1, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~post125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1.base, main_#t~mem129#1.offset, main_#t~mem132#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ite135#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem137#1, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~post5#1, main_#t~mem140#1, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~ite143#1.base, main_#t~ite143#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem146#1.base, main_#t~mem146#1.offset, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~short148#1, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~mem158#1.base, main_#t~mem158#1.offset, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1.base, main_#t~mem164#1.offset, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1.base, main_#t~mem166#1.offset, main_#t~mem167#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem171#1, main_#t~mem169#1.base, main_#t~mem169#1.offset, main_#t~mem170#1, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1, main_#t~post175#1, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1.base, main_#t~mem180#1.offset, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1.base, main_#t~mem182#1.offset, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1, main_#t~post186#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite145#1.base, main_#t~ite145#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;havoc main_~i~0#1;havoc main_~user~0#1.base, main_~user~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;main_~i~0#1 := 0; 913#L750-3 [2021-12-15 17:32:02,220 INFO L793 eck$LassoCheckResult]: Loop: 913#L750-3 assume !!(main_~i~0#1 < 10);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 954#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 955#L752-2 call write~int(main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, 4);call write~int(main_~i~0#1 * main_~i~0#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4); 957#L757-124 havoc main_~_ha_hashv~0#1; 956#L757-49 goto; 940#L757-47 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 829#L757-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 830#L757-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch19#1 := 11 == main_~_hj_k~0#1; 897#L757-10 assume main_#t~switch19#1;call main_#t~mem20#1 := read~int(main_~_hj_key~0#1.base, 10 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 16777216 * (main_#t~mem20#1 % 256);havoc main_#t~mem20#1; 982#L757-12 main_#t~switch19#1 := main_#t~switch19#1 || 10 == main_~_hj_k~0#1; 878#L757-13 assume main_#t~switch19#1;call main_#t~mem21#1 := read~int(main_~_hj_key~0#1.base, 9 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 65536 * (main_#t~mem21#1 % 256);havoc main_#t~mem21#1; 827#L757-15 main_#t~switch19#1 := main_#t~switch19#1 || 9 == main_~_hj_k~0#1; 828#L757-16 assume main_#t~switch19#1;call main_#t~mem22#1 := read~int(main_~_hj_key~0#1.base, 8 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 256 * (main_#t~mem22#1 % 256);havoc main_#t~mem22#1; 974#L757-18 main_#t~switch19#1 := main_#t~switch19#1 || 8 == main_~_hj_k~0#1; 959#L757-19 assume main_#t~switch19#1;call main_#t~mem23#1 := read~int(main_~_hj_key~0#1.base, 7 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 16777216 * (main_#t~mem23#1 % 256);havoc main_#t~mem23#1; 960#L757-21 main_#t~switch19#1 := main_#t~switch19#1 || 7 == main_~_hj_k~0#1; 939#L757-22 assume main_#t~switch19#1;call main_#t~mem24#1 := read~int(main_~_hj_key~0#1.base, 6 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 65536 * (main_#t~mem24#1 % 256);havoc main_#t~mem24#1; 938#L757-24 main_#t~switch19#1 := main_#t~switch19#1 || 6 == main_~_hj_k~0#1; 901#L757-25 assume main_#t~switch19#1;call main_#t~mem25#1 := read~int(main_~_hj_key~0#1.base, 5 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 256 * (main_#t~mem25#1 % 256);havoc main_#t~mem25#1; 902#L757-27 main_#t~switch19#1 := main_#t~switch19#1 || 5 == main_~_hj_k~0#1; 981#L757-28 assume main_#t~switch19#1;call main_#t~mem26#1 := read~int(main_~_hj_key~0#1.base, 4 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + main_#t~mem26#1 % 256;havoc main_#t~mem26#1; 979#L757-30 main_#t~switch19#1 := main_#t~switch19#1 || 4 == main_~_hj_k~0#1; 977#L757-31 assume main_#t~switch19#1;call main_#t~mem27#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem27#1 % 256);havoc main_#t~mem27#1; 978#L757-33 main_#t~switch19#1 := main_#t~switch19#1 || 3 == main_~_hj_k~0#1; 933#L757-34 assume main_#t~switch19#1;call main_#t~mem28#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem28#1 % 256);havoc main_#t~mem28#1; 934#L757-36 main_#t~switch19#1 := main_#t~switch19#1 || 2 == main_~_hj_k~0#1; 916#L757-37 assume main_#t~switch19#1;call main_#t~mem29#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem29#1 % 256);havoc main_#t~mem29#1; 917#L757-39 main_#t~switch19#1 := main_#t~switch19#1 || 1 == main_~_hj_k~0#1; 868#L757-40 assume main_#t~switch19#1;call main_#t~mem30#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + main_#t~mem30#1 % 256;havoc main_#t~mem30#1; 849#L757-42 havoc main_#t~switch19#1; 850#L757-45 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8192);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 256 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 8192);main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 4096);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 65536 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32);main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 1024 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32768); 911#L757-44 goto; 963#L757-46 goto; 964#L757-48 goto; 907#L757-122 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 908#L757-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem48#1.base, main_#t~mem48#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem48#1.base, main_#t~mem48#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem48#1.base, main_#t~mem48#1.offset; 969#L757-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem49#1.base, main_#t~mem49#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem50#1.base, main_#t~mem50#1.offset := read~$Pointer$(main_#t~mem49#1.base, 16 + main_#t~mem49#1.offset, 4);call main_#t~mem51#1.base, main_#t~mem51#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_#t~mem51#1.base, 20 + main_#t~mem51#1.offset, 4);call write~$Pointer$(main_#t~mem50#1.base, main_#t~mem50#1.offset - main_#t~mem52#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem49#1.base, main_#t~mem49#1.offset;havoc main_#t~mem50#1.base, main_#t~mem50#1.offset;havoc main_#t~mem51#1.base, main_#t~mem51#1.offset;havoc main_#t~mem52#1;call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem54#1.base, main_#t~mem54#1.offset := read~$Pointer$(main_#t~mem53#1.base, 16 + main_#t~mem53#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem54#1.base, 8 + main_#t~mem54#1.offset, 4);havoc main_#t~mem53#1.base, main_#t~mem53#1.offset;havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;call main_#t~mem55#1.base, main_#t~mem55#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem55#1.base, 16 + main_#t~mem55#1.offset, 4);havoc main_#t~mem55#1.base, main_#t~mem55#1.offset; 970#L757-66 goto; 869#L757-120 havoc main_~_ha_bkt~0#1;call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1 := read~int(main_#t~mem56#1.base, 12 + main_#t~mem56#1.offset, 4);main_#t~post58#1 := main_#t~mem57#1;call write~int(1 + main_#t~post58#1, main_#t~mem56#1.base, 12 + main_#t~mem56#1.offset, 4);havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1;havoc main_#t~post58#1; 936#L757-71 call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem60#1 := read~int(main_#t~mem59#1.base, 4 + main_#t~mem59#1.offset, 4);main_~_ha_bkt~0#1 := ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem60#1 - 1);havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;havoc main_#t~mem60#1; 937#L757-70 goto; 951#L757-118 call main_#t~mem61#1.base, main_#t~mem61#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem62#1.base, main_#t~mem62#1.offset := read~$Pointer$(main_#t~mem61#1.base, main_#t~mem61#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem62#1.base, main_#t~mem62#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem61#1.base, main_#t~mem61#1.offset;havoc main_#t~mem62#1.base, main_#t~mem62#1.offset;call main_#t~mem63#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post64#1 := main_#t~mem63#1;call write~int(1 + main_#t~post64#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem63#1;havoc main_#t~post64#1;call main_#t~mem65#1.base, main_#t~mem65#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem65#1.base, main_#t~mem65#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem65#1.base, main_#t~mem65#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 958#L757-73 assume main_#t~mem66#1.base != 0 || main_#t~mem66#1.offset != 0;havoc main_#t~mem66#1.base, main_#t~mem66#1.offset;call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem67#1.base, 12 + main_#t~mem67#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset; 890#L757-75 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem69#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem68#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short72#1 := main_#t~mem69#1 % 4294967296 >= 10 * (1 + main_#t~mem68#1) % 4294967296; 891#L757-76 assume main_#t~short72#1;call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem71#1 := read~int(main_#t~mem70#1.base, 36 + main_#t~mem70#1.offset, 4);main_#t~short72#1 := 0 == main_#t~mem71#1 % 4294967296; 972#L757-78 assume !main_#t~short72#1;havoc main_#t~mem69#1;havoc main_#t~mem68#1;havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;havoc main_#t~mem71#1;havoc main_#t~short72#1; 873#L757-117 goto; 874#L757-119 goto; 885#L757-121 goto; 886#L757-123 goto; 925#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 913#L750-3 [2021-12-15 17:32:02,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:32:02,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 3 times [2021-12-15 17:32:02,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:32:02,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967100145] [2021-12-15 17:32:02,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:32:02,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:32:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:32:02,230 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:32:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:32:02,241 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:32:02,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:32:02,245 INFO L85 PathProgramCache]: Analyzing trace with hash 999195159, now seen corresponding path program 1 times [2021-12-15 17:32:02,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:32:02,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784988453] [2021-12-15 17:32:02,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:32:02,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:32:02,313 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 17:32:02,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1050878925] [2021-12-15 17:32:02,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:32:02,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 17:32:02,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:32:02,315 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 17:32:02,316 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 17:32:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:32:02,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 1822 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 17:32:02,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:32:02,974 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 17:32:02,974 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 17:32:02,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:32:02,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784988453] [2021-12-15 17:32:02,975 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-15 17:32:02,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050878925] [2021-12-15 17:32:02,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050878925] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:32:02,976 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:32:02,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 17:32:02,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912269978] [2021-12-15 17:32:02,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:32:02,977 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:32:02,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:32:02,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 17:32:02,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-15 17:32:02,979 INFO L87 Difference]: Start difference. First operand 178 states and 227 transitions. cyclomatic complexity: 53 Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:32:03,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:32:03,078 INFO L93 Difference]: Finished difference Result 235 states and 299 transitions. [2021-12-15 17:32:03,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 17:32:03,079 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 235 states and 299 transitions. [2021-12-15 17:32:03,080 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 215 [2021-12-15 17:32:03,081 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 235 states to 235 states and 299 transitions. [2021-12-15 17:32:03,081 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 235 [2021-12-15 17:32:03,082 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 235 [2021-12-15 17:32:03,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 235 states and 299 transitions. [2021-12-15 17:32:03,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:32:03,083 INFO L681 BuchiCegarLoop]: Abstraction has 235 states and 299 transitions. [2021-12-15 17:32:03,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states and 299 transitions. [2021-12-15 17:32:03,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 164. [2021-12-15 17:32:03,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 160 states have (on average 1.25) internal successors, (200), 159 states have internal predecessors, (200), 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 17:32:03,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 206 transitions. [2021-12-15 17:32:03,094 INFO L704 BuchiCegarLoop]: Abstraction has 164 states and 206 transitions. [2021-12-15 17:32:03,094 INFO L587 BuchiCegarLoop]: Abstraction has 164 states and 206 transitions. [2021-12-15 17:32:03,094 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-15 17:32:03,094 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 164 states and 206 transitions. [2021-12-15 17:32:03,095 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 154 [2021-12-15 17:32:03,095 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:32:03,095 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:32:03,096 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:32:03,099 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:32:03,100 INFO L791 eck$LassoCheckResult]: Stem: 1554#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 1484#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~switch19#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc31#1.base, main_#t~malloc31#1.offset, main_#t~mem32#1.base, main_#t~mem32#1.offset, main_#t~mem33#1.base, main_#t~mem33#1.offset, main_#t~memset~res34#1.base, main_#t~memset~res34#1.offset, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~mem39#1.base, main_#t~mem39#1.offset, main_#t~malloc40#1.base, main_#t~malloc40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~mem43#1.base, main_#t~mem43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~mem45#1.base, main_#t~mem45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~memset~res47#1.base, main_#t~memset~res47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~mem52#1, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1, main_#t~post58#1, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1, main_#t~post64#1, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem69#1, main_#t~mem68#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1, main_#t~short72#1, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1, main_#t~malloc75#1.base, main_#t~malloc75#1.offset, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~memset~res80#1.base, main_#t~memset~res80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem85#1, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem89#1, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem88#1, main_#t~ite90#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem101#1, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~pre104#1, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~post109#1, main_#t~mem113#1, main_#t~mem111#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem112#1, main_#t~mem114#1, main_#t~post115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1.base, main_#t~mem117#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~post92#1, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~post125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1.base, main_#t~mem129#1.offset, main_#t~mem132#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ite135#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem137#1, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~post5#1, main_#t~mem140#1, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~ite143#1.base, main_#t~ite143#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem146#1.base, main_#t~mem146#1.offset, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~short148#1, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~mem158#1.base, main_#t~mem158#1.offset, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1.base, main_#t~mem164#1.offset, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1.base, main_#t~mem166#1.offset, main_#t~mem167#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem171#1, main_#t~mem169#1.base, main_#t~mem169#1.offset, main_#t~mem170#1, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1, main_#t~post175#1, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1.base, main_#t~mem180#1.offset, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1.base, main_#t~mem182#1.offset, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1, main_#t~post186#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite145#1.base, main_#t~ite145#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;havoc main_~i~0#1;havoc main_~user~0#1.base, main_~user~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;main_~i~0#1 := 0; 1485#L750-3 [2021-12-15 17:32:03,100 INFO L793 eck$LassoCheckResult]: Loop: 1485#L750-3 assume !!(main_~i~0#1 < 10);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 1525#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 1526#L752-2 call write~int(main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, 4);call write~int(main_~i~0#1 * main_~i~0#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4); 1528#L757-124 havoc main_~_ha_hashv~0#1; 1527#L757-49 goto; 1511#L757-47 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 1401#L757-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 1402#L757-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch19#1 := 11 == main_~_hj_k~0#1; 1469#L757-10 assume !main_#t~switch19#1; 1552#L757-12 main_#t~switch19#1 := main_#t~switch19#1 || 10 == main_~_hj_k~0#1; 1450#L757-13 assume !main_#t~switch19#1; 1399#L757-15 main_#t~switch19#1 := main_#t~switch19#1 || 9 == main_~_hj_k~0#1; 1400#L757-16 assume !main_#t~switch19#1; 1542#L757-18 main_#t~switch19#1 := main_#t~switch19#1 || 8 == main_~_hj_k~0#1; 1530#L757-19 assume !main_#t~switch19#1; 1436#L757-21 main_#t~switch19#1 := main_#t~switch19#1 || 7 == main_~_hj_k~0#1; 1437#L757-22 assume !main_#t~switch19#1; 1508#L757-24 main_#t~switch19#1 := main_#t~switch19#1 || 6 == main_~_hj_k~0#1; 1473#L757-25 assume !main_#t~switch19#1; 1474#L757-27 main_#t~switch19#1 := main_#t~switch19#1 || 5 == main_~_hj_k~0#1; 1551#L757-28 assume !main_#t~switch19#1; 1549#L757-30 main_#t~switch19#1 := main_#t~switch19#1 || 4 == main_~_hj_k~0#1; 1547#L757-31 assume !main_#t~switch19#1; 1414#L757-33 main_#t~switch19#1 := main_#t~switch19#1 || 3 == main_~_hj_k~0#1; 1415#L757-34 assume main_#t~switch19#1;call main_#t~mem28#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem28#1 % 256);havoc main_#t~mem28#1; 1506#L757-36 main_#t~switch19#1 := main_#t~switch19#1 || 2 == main_~_hj_k~0#1; 1488#L757-37 assume main_#t~switch19#1;call main_#t~mem29#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem29#1 % 256);havoc main_#t~mem29#1; 1489#L757-39 main_#t~switch19#1 := main_#t~switch19#1 || 1 == main_~_hj_k~0#1; 1440#L757-40 assume main_#t~switch19#1;call main_#t~mem30#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + main_#t~mem30#1 % 256;havoc main_#t~mem30#1; 1421#L757-42 havoc main_#t~switch19#1; 1422#L757-45 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8192);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 256 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 8192);main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 4096);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 65536 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32);main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8);main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := ~bitwiseXor(main_~_hj_j~0#1, 1024 * main_~_hj_i~0#1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32768); 1479#L757-44 goto; 1535#L757-46 goto; 1536#L757-48 goto; 1480#L757-122 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 1481#L757-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem48#1.base, main_#t~mem48#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem48#1.base, main_#t~mem48#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem48#1.base, main_#t~mem48#1.offset; 1539#L757-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem49#1.base, main_#t~mem49#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem50#1.base, main_#t~mem50#1.offset := read~$Pointer$(main_#t~mem49#1.base, 16 + main_#t~mem49#1.offset, 4);call main_#t~mem51#1.base, main_#t~mem51#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_#t~mem51#1.base, 20 + main_#t~mem51#1.offset, 4);call write~$Pointer$(main_#t~mem50#1.base, main_#t~mem50#1.offset - main_#t~mem52#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem49#1.base, main_#t~mem49#1.offset;havoc main_#t~mem50#1.base, main_#t~mem50#1.offset;havoc main_#t~mem51#1.base, main_#t~mem51#1.offset;havoc main_#t~mem52#1;call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem54#1.base, main_#t~mem54#1.offset := read~$Pointer$(main_#t~mem53#1.base, 16 + main_#t~mem53#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem54#1.base, 8 + main_#t~mem54#1.offset, 4);havoc main_#t~mem53#1.base, main_#t~mem53#1.offset;havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;call main_#t~mem55#1.base, main_#t~mem55#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem55#1.base, 16 + main_#t~mem55#1.offset, 4);havoc main_#t~mem55#1.base, main_#t~mem55#1.offset; 1540#L757-66 goto; 1443#L757-120 havoc main_~_ha_bkt~0#1;call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1 := read~int(main_#t~mem56#1.base, 12 + main_#t~mem56#1.offset, 4);main_#t~post58#1 := main_#t~mem57#1;call write~int(1 + main_#t~post58#1, main_#t~mem56#1.base, 12 + main_#t~mem56#1.offset, 4);havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1;havoc main_#t~post58#1; 1509#L757-71 call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem60#1 := read~int(main_#t~mem59#1.base, 4 + main_#t~mem59#1.offset, 4);main_~_ha_bkt~0#1 := ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem60#1 - 1);havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;havoc main_#t~mem60#1; 1510#L757-70 goto; 1524#L757-118 call main_#t~mem61#1.base, main_#t~mem61#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem62#1.base, main_#t~mem62#1.offset := read~$Pointer$(main_#t~mem61#1.base, main_#t~mem61#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem62#1.base, main_#t~mem62#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem61#1.base, main_#t~mem61#1.offset;havoc main_#t~mem62#1.base, main_#t~mem62#1.offset;call main_#t~mem63#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post64#1 := main_#t~mem63#1;call write~int(1 + main_#t~post64#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem63#1;havoc main_#t~post64#1;call main_#t~mem65#1.base, main_#t~mem65#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem65#1.base, main_#t~mem65#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem65#1.base, main_#t~mem65#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 1529#L757-73 assume main_#t~mem66#1.base != 0 || main_#t~mem66#1.offset != 0;havoc main_#t~mem66#1.base, main_#t~mem66#1.offset;call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem67#1.base, 12 + main_#t~mem67#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset; 1464#L757-75 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem69#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem68#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short72#1 := main_#t~mem69#1 % 4294967296 >= 10 * (1 + main_#t~mem68#1) % 4294967296; 1465#L757-76 assume main_#t~short72#1;call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem71#1 := read~int(main_#t~mem70#1.base, 36 + main_#t~mem70#1.offset, 4);main_#t~short72#1 := 0 == main_#t~mem71#1 % 4294967296; 1543#L757-78 assume !main_#t~short72#1;havoc main_#t~mem69#1;havoc main_#t~mem68#1;havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;havoc main_#t~mem71#1;havoc main_#t~short72#1; 1446#L757-117 goto; 1447#L757-119 goto; 1459#L757-121 goto; 1460#L757-123 goto; 1499#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1485#L750-3 [2021-12-15 17:32:03,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:32:03,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 4 times [2021-12-15 17:32:03,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:32:03,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038563822] [2021-12-15 17:32:03,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:32:03,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:32:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:32:03,110 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:32:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:32:03,119 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:32:03,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:32:03,120 INFO L85 PathProgramCache]: Analyzing trace with hash 511024167, now seen corresponding path program 1 times [2021-12-15 17:32:03,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:32:03,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734148303] [2021-12-15 17:32:03,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:32:03,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:32:03,181 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 17:32:03,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [397190378] [2021-12-15 17:32:03,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:32:03,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 17:32:03,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:32:03,183 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 17:32:03,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-15 17:32:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:32:03,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 1774 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-15 17:32:03,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:32:03,859 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 17:32:03,859 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 17:32:03,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:32:03,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734148303] [2021-12-15 17:32:03,860 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-15 17:32:03,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397190378] [2021-12-15 17:32:03,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397190378] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:32:03,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:32:03,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-15 17:32:03,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880358224] [2021-12-15 17:32:03,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:32:03,861 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:32:03,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:32:03,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-15 17:32:03,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-15 17:32:03,862 INFO L87 Difference]: Start difference. First operand 164 states and 206 transitions. cyclomatic complexity: 46 Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:32:03,943 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 17:32:03,947 INFO L158 Benchmark]: Toolchain (without parser) took 4454.57ms. Allocated memory was 88.1MB in the beginning and 199.2MB in the end (delta: 111.1MB). Free memory was 47.9MB in the beginning and 90.4MB in the end (delta: -42.5MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2021-12-15 17:32:03,947 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 88.1MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:32:03,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.49ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 47.6MB in the beginning and 76.8MB in the end (delta: -29.1MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2021-12-15 17:32:03,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.42ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 71.4MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 17:32:03,948 INFO L158 Benchmark]: Boogie Preprocessor took 98.54ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 65.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 17:32:03,948 INFO L158 Benchmark]: RCFGBuilder took 852.52ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 44.1MB in the end (delta: 21.0MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2021-12-15 17:32:03,948 INFO L158 Benchmark]: BuchiAutomizer took 2969.80ms. Allocated memory was 117.4MB in the beginning and 199.2MB in the end (delta: 81.8MB). Free memory was 44.1MB in the beginning and 90.4MB in the end (delta: -46.3MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2021-12-15 17:32:03,950 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 88.1MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.49ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 47.6MB in the beginning and 76.8MB in the end (delta: -29.1MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.42ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 71.4MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.54ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 65.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 852.52ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 44.1MB in the end (delta: 21.0MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2969.80ms. Allocated memory was 117.4MB in the beginning and 199.2MB in the end (delta: 81.8MB). Free memory was 44.1MB in the beginning and 90.4MB in the end (delta: -46.3MB). Peak memory consumption was 36.3MB. 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 17:32:03,982 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-15 17:32:04,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-15 17:32:04,396 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 17:32:04,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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