./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --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 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:00:05,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:00:05,356 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-21 21:00:05,363 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:00:05,364 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:00:05,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:00:05,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:00:05,399 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:00:05,400 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:00:05,400 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:00:05,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:00:05,402 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:00:05,403 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:00:05,403 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 21:00:05,404 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 21:00:05,405 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 21:00:05,405 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 21:00:05,406 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 21:00:05,407 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 21:00:05,407 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:00:05,408 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 21:00:05,409 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:00:05,409 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:00:05,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:00:05,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:00:05,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 21:00:05,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 21:00:05,416 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 21:00:05,416 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 21:00:05,416 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:00:05,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:00:05,417 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 21:00:05,417 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:00:05,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:00:05,418 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:00:05,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:00:05,419 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:00:05,419 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 21:00:05,420 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed [2023-11-21 21:00:05,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:00:05,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:00:05,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:00:05,765 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:00:05,766 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:00:05,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2023-11-21 21:00:09,117 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:00:09,570 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:00:09,571 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2023-11-21 21:00:09,606 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/data/729bfc517/ebfa0c85225349dc8ea40982f2c7a169/FLAGd66476364 [2023-11-21 21:00:09,635 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/data/729bfc517/ebfa0c85225349dc8ea40982f2c7a169 [2023-11-21 21:00:09,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:00:09,647 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:00:09,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:00:09,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:00:09,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:00:09,659 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:00:09" (1/1) ... [2023-11-21 21:00:09,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d0238ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:09, skipping insertion in model container [2023-11-21 21:00:09,662 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:00:09" (1/1) ... [2023-11-21 21:00:09,765 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:00:10,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:00:10,380 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:00:10,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:00:10,576 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:00:10,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:10 WrapperNode [2023-11-21 21:00:10,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:00:10,578 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:00:10,579 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:00:10,579 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:00:10,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:10" (1/1) ... [2023-11-21 21:00:10,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:10" (1/1) ... [2023-11-21 21:00:10,741 INFO L138 Inliner]: procedures = 177, calls = 238, calls flagged for inlining = 14, calls inlined = 23, statements flattened = 1016 [2023-11-21 21:00:10,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:00:10,743 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:00:10,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:00:10,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:00:10,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:10" (1/1) ... [2023-11-21 21:00:10,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:10" (1/1) ... [2023-11-21 21:00:10,790 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:10" (1/1) ... [2023-11-21 21:00:10,872 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memset is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 21:00:10,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:10" (1/1) ... [2023-11-21 21:00:10,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:10" (1/1) ... [2023-11-21 21:00:10,937 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:10" (1/1) ... [2023-11-21 21:00:10,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:10" (1/1) ... [2023-11-21 21:00:10,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:10" (1/1) ... [2023-11-21 21:00:10,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:10" (1/1) ... [2023-11-21 21:00:10,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:00:10,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:00:10,990 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:00:10,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:00:10,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:10" (1/1) ... [2023-11-21 21:00:11,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:11,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:11,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:11,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 21:00:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 21:00:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 21:00:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 21:00:11,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 21:00:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 21:00:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:00:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:00:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 21:00:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 21:00:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:00:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 21:00:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:00:11,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:00:11,327 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:00:11,330 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:00:11,335 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 21:00:13,067 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:00:13,106 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:00:13,107 INFO L308 CfgBuilder]: Removed 40 assume(true) statements. [2023-11-21 21:00:13,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:00:13 BoogieIcfgContainer [2023-11-21 21:00:13,109 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:00:13,111 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 21:00:13,111 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 21:00:13,116 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 21:00:13,117 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 21:00:13,117 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 09:00:09" (1/3) ... [2023-11-21 21:00:13,119 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78c1a1e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 09:00:13, skipping insertion in model container [2023-11-21 21:00:13,119 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 21:00:13,119 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:10" (2/3) ... [2023-11-21 21:00:13,122 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78c1a1e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 09:00:13, skipping insertion in model container [2023-11-21 21:00:13,122 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 21:00:13,123 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:00:13" (3/3) ... [2023-11-21 21:00:13,125 INFO L332 chiAutomizerObserver]: Analyzing ICFG uthash_SFH_test1-2.i [2023-11-21 21:00:13,201 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 21:00:13,201 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 21:00:13,201 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 21:00:13,201 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 21:00:13,202 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 21:00:13,202 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 21:00:13,202 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 21:00:13,202 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 21:00:13,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 272 states, 267 states have (on average 1.651685393258427) internal successors, (441), 267 states have internal predecessors, (441), 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) [2023-11-21 21:00:13,249 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 258 [2023-11-21 21:00:13,250 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 21:00:13,250 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 21:00:13,257 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 21:00:13,257 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-21 21:00:13,257 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 21:00:13,259 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 272 states, 267 states have (on average 1.651685393258427) internal successors, (441), 267 states have internal predecessors, (441), 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) [2023-11-21 21:00:13,273 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 258 [2023-11-21 21:00:13,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 21:00:13,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 21:00:13,279 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 21:00:13,279 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-21 21:00:13,285 INFO L748 eck$LassoCheckResult]: Stem: 178#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;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; 187#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~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~switch28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#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~malloc49#1.base, main_#t~malloc49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~malloc58#1.base, main_#t~malloc58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~memset~res65#1.base, main_#t~memset~res65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~post76#1, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~nondet79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~post83#1, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem88#1, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1, main_#t~short91#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~malloc94#1.base, main_#t~malloc94#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, main_#t~memset~res99#1.base, main_#t~memset~res99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem104#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~nondet105#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem115#1.base, main_#t~mem115#1.offset, 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~mem121#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~nondet122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~pre125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem134#1, main_#t~mem132#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem133#1, main_#t~mem135#1, main_#t~post136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~post112#1, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem114#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~post146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem153#1, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1, main_#t~ite156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem159#1.base, main_#t~mem159#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~mem161#1, main_#t~mem162#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~ite164#1.base, main_#t~ite164#1.offset, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem167#1.base, main_#t~mem167#1.offset, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~short169#1, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, 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, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~nondet193#1, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1, main_#t~post197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1, main_#t~post208#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite166#1.base, main_#t~ite166#1.offset, main_#t~mem165#1.base, main_#t~mem165#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; 108#L750-3true [2023-11-21 21:00:13,286 INFO L750 eck$LassoCheckResult]: Loop: 108#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; 70#L752true assume main_~user~0#1.base == 0 && main_~user~0#1.offset == 0;assume false; 71#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); 149#L757-269true assume !true; 197#L750-2true main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 108#L750-3true [2023-11-21 21:00:13,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:13,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2023-11-21 21:00:13,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:13,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541316631] [2023-11-21 21:00:13,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:13,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:13,407 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:13,464 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:13,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:13,469 INFO L85 PathProgramCache]: Analyzing trace with hash 46879672, now seen corresponding path program 1 times [2023-11-21 21:00:13,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:13,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214484542] [2023-11-21 21:00:13,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:13,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:13,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:00:13,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214484542] [2023-11-21 21:00:13,530 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-21 21:00:13,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253287436] [2023-11-21 21:00:13,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:13,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:00:13,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:13,538 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:00:13,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 21:00:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:13,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 21:00:13,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:13,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:13,737 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:00:13,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253287436] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:00:13,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:00:13,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:00:13,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116274154] [2023-11-21 21:00:13,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:00:13,745 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 21:00:13,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:00:13,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 21:00:13,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 21:00:13,794 INFO L87 Difference]: Start difference. First operand has 272 states, 267 states have (on average 1.651685393258427) internal successors, (441), 267 states have internal predecessors, (441), 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) [2023-11-21 21:00:13,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:00:13,857 INFO L93 Difference]: Finished difference Result 262 states and 373 transitions. [2023-11-21 21:00:13,859 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 262 states and 373 transitions. [2023-11-21 21:00:13,864 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 238 [2023-11-21 21:00:13,875 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 262 states to 248 states and 359 transitions. [2023-11-21 21:00:13,876 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 248 [2023-11-21 21:00:13,878 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 248 [2023-11-21 21:00:13,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 248 states and 359 transitions. [2023-11-21 21:00:13,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:00:13,882 INFO L218 hiAutomatonCegarLoop]: Abstraction has 248 states and 359 transitions. [2023-11-21 21:00:13,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states and 359 transitions. [2023-11-21 21:00:13,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2023-11-21 21:00:13,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 244 states have (on average 1.4467213114754098) internal successors, (353), 243 states have internal predecessors, (353), 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) [2023-11-21 21:00:13,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 359 transitions. [2023-11-21 21:00:13,931 INFO L240 hiAutomatonCegarLoop]: Abstraction has 248 states and 359 transitions. [2023-11-21 21:00:13,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 21:00:13,936 INFO L428 stractBuchiCegarLoop]: Abstraction has 248 states and 359 transitions. [2023-11-21 21:00:13,936 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 21:00:13,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 248 states and 359 transitions. [2023-11-21 21:00:13,939 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 238 [2023-11-21 21:00:13,939 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 21:00:13,939 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 21:00:13,942 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 21:00:13,942 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:00:13,942 INFO L748 eck$LassoCheckResult]: Stem: 775#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;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; 776#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~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~switch28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#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~malloc49#1.base, main_#t~malloc49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~malloc58#1.base, main_#t~malloc58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~memset~res65#1.base, main_#t~memset~res65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~post76#1, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~nondet79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~post83#1, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem88#1, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1, main_#t~short91#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~malloc94#1.base, main_#t~malloc94#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, main_#t~memset~res99#1.base, main_#t~memset~res99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem104#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~nondet105#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem115#1.base, main_#t~mem115#1.offset, 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~mem121#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~nondet122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~pre125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem134#1, main_#t~mem132#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem133#1, main_#t~mem135#1, main_#t~post136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~post112#1, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem114#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~post146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem153#1, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1, main_#t~ite156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem159#1.base, main_#t~mem159#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~mem161#1, main_#t~mem162#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~ite164#1.base, main_#t~ite164#1.offset, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem167#1.base, main_#t~mem167#1.offset, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~short169#1, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, 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, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~nondet193#1, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1, main_#t~post197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1, main_#t~post208#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite166#1.base, main_#t~ite166#1.offset, main_#t~mem165#1.base, main_#t~mem165#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; 716#L750-3 [2023-11-21 21:00:13,945 INFO L750 eck$LassoCheckResult]: Loop: 716#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; 671#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 672#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); 673#L757-269 havoc main_~_ha_hashv~0#1; 752#L757-176 goto; 728#L757-174 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; 652#L757-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 653#L757-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch28#1 := 11 == main_~_hj_k~0#1; 777#L757-73 assume main_#t~switch28#1;call main_#t~mem29#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~mem29#1 % 256 % 4294967296);havoc main_#t~mem29#1; 772#L757-75 main_#t~switch28#1 := main_#t~switch28#1 || 10 == main_~_hj_k~0#1; 743#L757-76 assume main_#t~switch28#1;call main_#t~mem30#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~mem30#1 % 256 % 4294967296);havoc main_#t~mem30#1; 744#L757-78 main_#t~switch28#1 := main_#t~switch28#1 || 9 == main_~_hj_k~0#1; 792#L757-79 assume main_#t~switch28#1;call main_#t~mem31#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~mem31#1 % 256 % 4294967296);havoc main_#t~mem31#1; 650#L757-81 main_#t~switch28#1 := main_#t~switch28#1 || 8 == main_~_hj_k~0#1; 651#L757-82 assume main_#t~switch28#1;call main_#t~mem32#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~mem32#1 % 256 % 4294967296);havoc main_#t~mem32#1; 757#L757-84 main_#t~switch28#1 := main_#t~switch28#1 || 7 == main_~_hj_k~0#1; 662#L757-85 assume main_#t~switch28#1;call main_#t~mem33#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~mem33#1 % 256 % 4294967296);havoc main_#t~mem33#1; 612#L757-87 main_#t~switch28#1 := main_#t~switch28#1 || 6 == main_~_hj_k~0#1; 613#L757-88 assume !main_#t~switch28#1; 764#L757-90 main_#t~switch28#1 := main_#t~switch28#1 || 5 == main_~_hj_k~0#1; 765#L757-91 assume main_#t~switch28#1;call main_#t~mem35#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 + (if main_#t~mem35#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem35#1 % 256 % 4294967296 else main_#t~mem35#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem35#1; 788#L757-93 main_#t~switch28#1 := main_#t~switch28#1 || 4 == main_~_hj_k~0#1; 624#L757-94 assume main_#t~switch28#1;call main_#t~mem36#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~mem36#1 % 256 % 4294967296);havoc main_#t~mem36#1; 625#L757-96 main_#t~switch28#1 := main_#t~switch28#1 || 3 == main_~_hj_k~0#1; 781#L757-97 assume main_#t~switch28#1;call main_#t~mem37#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~mem37#1 % 256 % 4294967296);havoc main_#t~mem37#1; 782#L757-99 main_#t~switch28#1 := main_#t~switch28#1 || 2 == main_~_hj_k~0#1; 786#L757-100 assume main_#t~switch28#1;call main_#t~mem38#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~mem38#1 % 256 % 4294967296);havoc main_#t~mem38#1; 572#L757-102 main_#t~switch28#1 := main_#t~switch28#1 || 1 == main_~_hj_k~0#1; 573#L757-103 assume main_#t~switch28#1;call main_#t~mem39#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 + (if main_#t~mem39#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem39#1 % 256 % 4294967296 else main_#t~mem39#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem39#1; 742#L757-105 havoc main_#t~switch28#1; 768#L757-171 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; 690#L757-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet40#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 610#L757-113 main_~_hj_i~0#1 := main_#t~nondet40#1;havoc main_#t~nondet40#1;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; 611#L757-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet41#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 697#L757-120 main_~_hj_j~0#1 := main_#t~nondet41#1;havoc main_#t~nondet41#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; 602#L757-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet42#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 604#L757-127 main_~_ha_hashv~0#1 := main_#t~nondet42#1;havoc main_#t~nondet42#1;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; 659#L757-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet43#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 682#L757-134 main_~_hj_i~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;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; 702#L757-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet44#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 607#L757-141 main_~_hj_j~0#1 := main_#t~nondet44#1;havoc main_#t~nondet44#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; 608#L757-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet45#1 := main_~_hj_j~0#1 % 4294967296 / 32; 668#L757-148 main_~_ha_hashv~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#1;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; 669#L757-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet46#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 649#L757-155 main_~_hj_i~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;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; 710#L757-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet47#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 711#L757-162 main_~_hj_j~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 718#L757-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet48#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 685#L757-169 main_~_ha_hashv~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#1; 592#L757-170 goto; 593#L757-172 havoc 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; 619#L757-173 goto; 622#L757-175 goto; 623#L757-266 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); 692#L757-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset; 694#L757-194 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem68#1.base, main_#t~mem68#1.offset := read~$Pointer$(main_#t~mem67#1.base, 16 + main_#t~mem67#1.offset, 4);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem70#1 := read~int(main_#t~mem69#1.base, 20 + main_#t~mem69#1.offset, 4);call write~$Pointer$(main_#t~mem68#1.base, main_#t~mem68#1.offset - main_#t~mem70#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;havoc main_#t~mem68#1.base, main_#t~mem68#1.offset;havoc main_#t~mem69#1.base, main_#t~mem69#1.offset;havoc main_#t~mem70#1;call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_#t~mem71#1.base, 16 + main_#t~mem71#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem72#1.base, 8 + main_#t~mem72#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;call main_#t~mem73#1.base, main_#t~mem73#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~mem73#1.base, 16 + main_#t~mem73#1.offset, 4);havoc main_#t~mem73#1.base, main_#t~mem73#1.offset; 683#L757-193 goto; 635#L757-264 havoc main_~_ha_bkt~0#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int(main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);main_#t~post76#1 := main_#t~mem75#1;call write~int(1 + main_#t~post76#1, main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;havoc main_#t~post76#1; 636#L757-203 call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem78#1 := read~int(main_#t~mem77#1.base, 4 + main_#t~mem77#1.offset, 4); 584#L757-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem78#1 - 1) % 4294967296;main_#t~nondet79#1 := 0; 585#L757-201 main_~_ha_bkt~0#1 := main_#t~nondet79#1;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;havoc main_#t~mem78#1;havoc main_#t~nondet79#1; 640#L757-202 goto; 655#L757-261 call main_#t~mem80#1.base, main_#t~mem80#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem81#1.base, main_#t~mem81#1.offset := read~$Pointer$(main_#t~mem80#1.base, main_#t~mem80#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem81#1.base, main_#t~mem81#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~mem80#1.base, main_#t~mem80#1.offset;havoc main_#t~mem81#1.base, main_#t~mem81#1.offset;call main_#t~mem82#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post83#1 := main_#t~mem82#1;call write~int(1 + main_#t~post83#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem82#1;havoc main_#t~post83#1;call main_#t~mem84#1.base, main_#t~mem84#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem84#1.base, main_#t~mem84#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem84#1.base, main_#t~mem84#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 795#L757-205 assume main_#t~mem85#1.base != 0 || main_#t~mem85#1.offset != 0;havoc main_#t~mem85#1.base, main_#t~mem85#1.offset;call main_#t~mem86#1.base, main_#t~mem86#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~mem86#1.base, 12 + main_#t~mem86#1.offset, 4);havoc main_#t~mem86#1.base, main_#t~mem86#1.offset; 713#L757-207 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~mem88#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem87#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short91#1 := main_#t~mem88#1 % 4294967296 >= 10 * (1 + main_#t~mem87#1) % 4294967296; 617#L757-208 assume main_#t~short91#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem90#1 := read~int(main_#t~mem89#1.base, 36 + main_#t~mem89#1.offset, 4);main_#t~short91#1 := 0 == main_#t~mem90#1 % 4294967296; 618#L757-210 assume !main_#t~short91#1;havoc main_#t~mem88#1;havoc main_#t~mem87#1;havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;havoc main_#t~mem90#1;havoc main_#t~short91#1; 637#L757-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 709#L757-260 goto; 745#L757-262 havoc main_~_ha_bkt~0#1; 746#L757-263 goto; 732#L757-265 goto; 631#L757-267 havoc main_~_ha_hashv~0#1; 632#L757-268 goto; 727#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 716#L750-3 [2023-11-21 21:00:13,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:13,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2023-11-21 21:00:13,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:13,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38402061] [2023-11-21 21:00:13,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:13,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:13,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:13,974 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:13,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:13,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1755429761, now seen corresponding path program 1 times [2023-11-21 21:00:13,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:13,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737468065] [2023-11-21 21:00:13,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:13,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:14,050 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 21:00:14,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1957534898] [2023-11-21 21:00:14,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:14,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:00:14,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:14,112 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:00:14,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-21 21:00:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:14,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 21:00:14,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:14,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:14,469 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:00:14,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:00:14,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737468065] [2023-11-21 21:00:14,471 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 21:00:14,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957534898] [2023-11-21 21:00:14,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957534898] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:00:14,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:00:14,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:00:14,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259651887] [2023-11-21 21:00:14,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:00:14,478 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 21:00:14,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:00:14,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:00:14,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:00:14,481 INFO L87 Difference]: Start difference. First operand 248 states and 359 transitions. cyclomatic complexity: 115 Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2023-11-21 21:00:14,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:00:14,623 INFO L93 Difference]: Finished difference Result 269 states and 380 transitions. [2023-11-21 21:00:14,623 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 269 states and 380 transitions. [2023-11-21 21:00:14,627 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 259 [2023-11-21 21:00:14,632 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 269 states to 269 states and 380 transitions. [2023-11-21 21:00:14,632 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 269 [2023-11-21 21:00:14,633 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 269 [2023-11-21 21:00:14,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 269 states and 380 transitions. [2023-11-21 21:00:14,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:00:14,635 INFO L218 hiAutomatonCegarLoop]: Abstraction has 269 states and 380 transitions. [2023-11-21 21:00:14,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states and 380 transitions. [2023-11-21 21:00:14,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 268. [2023-11-21 21:00:14,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 264 states have (on average 1.4128787878787878) internal successors, (373), 263 states have internal predecessors, (373), 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) [2023-11-21 21:00:14,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 379 transitions. [2023-11-21 21:00:14,652 INFO L240 hiAutomatonCegarLoop]: Abstraction has 268 states and 379 transitions. [2023-11-21 21:00:14,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:00:14,653 INFO L428 stractBuchiCegarLoop]: Abstraction has 268 states and 379 transitions. [2023-11-21 21:00:14,653 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-21 21:00:14,654 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 268 states and 379 transitions. [2023-11-21 21:00:14,656 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 258 [2023-11-21 21:00:14,656 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 21:00:14,656 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 21:00:14,658 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 21:00:14,658 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:00:14,659 INFO L748 eck$LassoCheckResult]: Stem: 1523#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;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; 1524#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~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~switch28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#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~malloc49#1.base, main_#t~malloc49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~malloc58#1.base, main_#t~malloc58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~memset~res65#1.base, main_#t~memset~res65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~post76#1, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~nondet79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~post83#1, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem88#1, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1, main_#t~short91#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~malloc94#1.base, main_#t~malloc94#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, main_#t~memset~res99#1.base, main_#t~memset~res99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem104#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~nondet105#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem115#1.base, main_#t~mem115#1.offset, 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~mem121#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~nondet122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~pre125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem134#1, main_#t~mem132#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem133#1, main_#t~mem135#1, main_#t~post136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~post112#1, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem114#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~post146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem153#1, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1, main_#t~ite156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem159#1.base, main_#t~mem159#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~mem161#1, main_#t~mem162#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~ite164#1.base, main_#t~ite164#1.offset, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem167#1.base, main_#t~mem167#1.offset, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~short169#1, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, 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, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~nondet193#1, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1, main_#t~post197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1, main_#t~post208#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite166#1.base, main_#t~ite166#1.offset, main_#t~mem165#1.base, main_#t~mem165#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; 1461#L750-3 [2023-11-21 21:00:14,659 INFO L750 eck$LassoCheckResult]: Loop: 1461#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; 1417#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 1418#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); 1419#L757-269 havoc main_~_ha_hashv~0#1; 1499#L757-176 goto; 1474#L757-174 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; 1397#L757-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 1398#L757-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch28#1 := 11 == main_~_hj_k~0#1; 1525#L757-73 assume !main_#t~switch28#1; 1553#L757-75 main_#t~switch28#1 := main_#t~switch28#1 || 10 == main_~_hj_k~0#1; 1557#L757-76 assume main_#t~switch28#1;call main_#t~mem30#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~mem30#1 % 256 % 4294967296);havoc main_#t~mem30#1; 1491#L757-78 main_#t~switch28#1 := main_#t~switch28#1 || 9 == main_~_hj_k~0#1; 1540#L757-79 assume main_#t~switch28#1;call main_#t~mem31#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~mem31#1 % 256 % 4294967296);havoc main_#t~mem31#1; 1395#L757-81 main_#t~switch28#1 := main_#t~switch28#1 || 8 == main_~_hj_k~0#1; 1396#L757-82 assume main_#t~switch28#1;call main_#t~mem32#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~mem32#1 % 256 % 4294967296);havoc main_#t~mem32#1; 1550#L757-84 main_#t~switch28#1 := main_#t~switch28#1 || 7 == main_~_hj_k~0#1; 1407#L757-85 assume main_#t~switch28#1;call main_#t~mem33#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~mem33#1 % 256 % 4294967296);havoc main_#t~mem33#1; 1408#L757-87 main_#t~switch28#1 := main_#t~switch28#1 || 6 == main_~_hj_k~0#1; 1543#L757-88 assume main_#t~switch28#1;call main_#t~mem34#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~mem34#1 % 256 % 4294967296);havoc main_#t~mem34#1; 1512#L757-90 main_#t~switch28#1 := main_#t~switch28#1 || 5 == main_~_hj_k~0#1; 1513#L757-91 assume main_#t~switch28#1;call main_#t~mem35#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 + (if main_#t~mem35#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem35#1 % 256 % 4294967296 else main_#t~mem35#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem35#1; 1537#L757-93 main_#t~switch28#1 := main_#t~switch28#1 || 4 == main_~_hj_k~0#1; 1369#L757-94 assume main_#t~switch28#1;call main_#t~mem36#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~mem36#1 % 256 % 4294967296);havoc main_#t~mem36#1; 1370#L757-96 main_#t~switch28#1 := main_#t~switch28#1 || 3 == main_~_hj_k~0#1; 1529#L757-97 assume main_#t~switch28#1;call main_#t~mem37#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~mem37#1 % 256 % 4294967296);havoc main_#t~mem37#1; 1530#L757-99 main_#t~switch28#1 := main_#t~switch28#1 || 2 == main_~_hj_k~0#1; 1534#L757-100 assume main_#t~switch28#1;call main_#t~mem38#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~mem38#1 % 256 % 4294967296);havoc main_#t~mem38#1; 1535#L757-102 main_#t~switch28#1 := main_#t~switch28#1 || 1 == main_~_hj_k~0#1; 1488#L757-103 assume main_#t~switch28#1;call main_#t~mem39#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 + (if main_#t~mem39#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem39#1 % 256 % 4294967296 else main_#t~mem39#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem39#1; 1489#L757-105 havoc main_#t~switch28#1; 1516#L757-171 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; 1436#L757-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet40#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 1355#L757-113 main_~_hj_i~0#1 := main_#t~nondet40#1;havoc main_#t~nondet40#1;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; 1356#L757-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet41#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 1443#L757-120 main_~_hj_j~0#1 := main_#t~nondet41#1;havoc main_#t~nondet41#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; 1345#L757-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet42#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 1347#L757-127 main_~_ha_hashv~0#1 := main_#t~nondet42#1;havoc main_#t~nondet42#1;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; 1404#L757-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet43#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 1428#L757-134 main_~_hj_i~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;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; 1448#L757-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet44#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 1352#L757-141 main_~_hj_j~0#1 := main_#t~nondet44#1;havoc main_#t~nondet44#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; 1353#L757-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet45#1 := main_~_hj_j~0#1 % 4294967296 / 32; 1413#L757-148 main_~_ha_hashv~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#1;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; 1414#L757-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet46#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 1394#L757-155 main_~_hj_i~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;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; 1456#L757-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet47#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 1457#L757-162 main_~_hj_j~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 1464#L757-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet48#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 1431#L757-169 main_~_ha_hashv~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#1; 1337#L757-170 goto; 1338#L757-172 havoc 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; 1364#L757-173 goto; 1367#L757-175 goto; 1368#L757-266 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); 1438#L757-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset; 1440#L757-194 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem68#1.base, main_#t~mem68#1.offset := read~$Pointer$(main_#t~mem67#1.base, 16 + main_#t~mem67#1.offset, 4);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem70#1 := read~int(main_#t~mem69#1.base, 20 + main_#t~mem69#1.offset, 4);call write~$Pointer$(main_#t~mem68#1.base, main_#t~mem68#1.offset - main_#t~mem70#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;havoc main_#t~mem68#1.base, main_#t~mem68#1.offset;havoc main_#t~mem69#1.base, main_#t~mem69#1.offset;havoc main_#t~mem70#1;call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_#t~mem71#1.base, 16 + main_#t~mem71#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem72#1.base, 8 + main_#t~mem72#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;call main_#t~mem73#1.base, main_#t~mem73#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~mem73#1.base, 16 + main_#t~mem73#1.offset, 4);havoc main_#t~mem73#1.base, main_#t~mem73#1.offset; 1429#L757-193 goto; 1380#L757-264 havoc main_~_ha_bkt~0#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int(main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);main_#t~post76#1 := main_#t~mem75#1;call write~int(1 + main_#t~post76#1, main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;havoc main_#t~post76#1; 1381#L757-203 call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem78#1 := read~int(main_#t~mem77#1.base, 4 + main_#t~mem77#1.offset, 4); 1329#L757-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem78#1 - 1) % 4294967296;main_#t~nondet79#1 := 0; 1330#L757-201 main_~_ha_bkt~0#1 := main_#t~nondet79#1;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;havoc main_#t~mem78#1;havoc main_#t~nondet79#1; 1385#L757-202 goto; 1400#L757-261 call main_#t~mem80#1.base, main_#t~mem80#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem81#1.base, main_#t~mem81#1.offset := read~$Pointer$(main_#t~mem80#1.base, main_#t~mem80#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem81#1.base, main_#t~mem81#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~mem80#1.base, main_#t~mem80#1.offset;havoc main_#t~mem81#1.base, main_#t~mem81#1.offset;call main_#t~mem82#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post83#1 := main_#t~mem82#1;call write~int(1 + main_#t~post83#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem82#1;havoc main_#t~post83#1;call main_#t~mem84#1.base, main_#t~mem84#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem84#1.base, main_#t~mem84#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem84#1.base, main_#t~mem84#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 1545#L757-205 assume main_#t~mem85#1.base != 0 || main_#t~mem85#1.offset != 0;havoc main_#t~mem85#1.base, main_#t~mem85#1.offset;call main_#t~mem86#1.base, main_#t~mem86#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~mem86#1.base, 12 + main_#t~mem86#1.offset, 4);havoc main_#t~mem86#1.base, main_#t~mem86#1.offset; 1459#L757-207 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~mem88#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem87#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short91#1 := main_#t~mem88#1 % 4294967296 >= 10 * (1 + main_#t~mem87#1) % 4294967296; 1362#L757-208 assume main_#t~short91#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem90#1 := read~int(main_#t~mem89#1.base, 36 + main_#t~mem89#1.offset, 4);main_#t~short91#1 := 0 == main_#t~mem90#1 % 4294967296; 1363#L757-210 assume !main_#t~short91#1;havoc main_#t~mem88#1;havoc main_#t~mem87#1;havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;havoc main_#t~mem90#1;havoc main_#t~short91#1; 1382#L757-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 1455#L757-260 goto; 1492#L757-262 havoc main_~_ha_bkt~0#1; 1493#L757-263 goto; 1479#L757-265 goto; 1378#L757-267 havoc main_~_ha_hashv~0#1; 1379#L757-268 goto; 1473#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1461#L750-3 [2023-11-21 21:00:14,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:14,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 3 times [2023-11-21 21:00:14,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:14,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675536039] [2023-11-21 21:00:14,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:14,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:14,671 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:14,685 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:14,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:14,686 INFO L85 PathProgramCache]: Analyzing trace with hash -721641215, now seen corresponding path program 1 times [2023-11-21 21:00:14,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:14,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262978137] [2023-11-21 21:00:14,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:14,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:14,758 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 21:00:14,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [329339578] [2023-11-21 21:00:14,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:14,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:00:14,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:14,766 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:00:14,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-21 21:00:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:15,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 21:00:15,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:15,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:15,169 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:00:15,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:00:15,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262978137] [2023-11-21 21:00:15,170 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 21:00:15,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329339578] [2023-11-21 21:00:15,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329339578] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:00:15,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:00:15,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:00:15,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793273435] [2023-11-21 21:00:15,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:00:15,172 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 21:00:15,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:00:15,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 21:00:15,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:00:15,174 INFO L87 Difference]: Start difference. First operand 268 states and 379 transitions. cyclomatic complexity: 115 Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 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) [2023-11-21 21:00:15,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:00:15,297 INFO L93 Difference]: Finished difference Result 255 states and 359 transitions. [2023-11-21 21:00:15,297 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 255 states and 359 transitions. [2023-11-21 21:00:15,301 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 245 [2023-11-21 21:00:15,306 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 255 states to 255 states and 359 transitions. [2023-11-21 21:00:15,306 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 255 [2023-11-21 21:00:15,308 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 255 [2023-11-21 21:00:15,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 255 states and 359 transitions. [2023-11-21 21:00:15,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:00:15,315 INFO L218 hiAutomatonCegarLoop]: Abstraction has 255 states and 359 transitions. [2023-11-21 21:00:15,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states and 359 transitions. [2023-11-21 21:00:15,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 254. [2023-11-21 21:00:15,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 250 states have (on average 1.408) internal successors, (352), 249 states have internal predecessors, (352), 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) [2023-11-21 21:00:15,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 358 transitions. [2023-11-21 21:00:15,348 INFO L240 hiAutomatonCegarLoop]: Abstraction has 254 states and 358 transitions. [2023-11-21 21:00:15,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 21:00:15,352 INFO L428 stractBuchiCegarLoop]: Abstraction has 254 states and 358 transitions. [2023-11-21 21:00:15,352 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-21 21:00:15,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 254 states and 358 transitions. [2023-11-21 21:00:15,354 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 244 [2023-11-21 21:00:15,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 21:00:15,355 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 21:00:15,359 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 21:00:15,359 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:00:15,360 INFO L748 eck$LassoCheckResult]: Stem: 2274#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;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; 2275#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~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~switch28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#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~malloc49#1.base, main_#t~malloc49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~malloc58#1.base, main_#t~malloc58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~memset~res65#1.base, main_#t~memset~res65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~post76#1, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~nondet79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~post83#1, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem88#1, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1, main_#t~short91#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~malloc94#1.base, main_#t~malloc94#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, main_#t~memset~res99#1.base, main_#t~memset~res99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem104#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~nondet105#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem115#1.base, main_#t~mem115#1.offset, 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~mem121#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~nondet122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~pre125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem134#1, main_#t~mem132#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem133#1, main_#t~mem135#1, main_#t~post136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~post112#1, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem114#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~post146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem153#1, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1, main_#t~ite156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem159#1.base, main_#t~mem159#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~mem161#1, main_#t~mem162#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~ite164#1.base, main_#t~ite164#1.offset, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem167#1.base, main_#t~mem167#1.offset, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~short169#1, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, 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, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~nondet193#1, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1, main_#t~post197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1, main_#t~post208#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite166#1.base, main_#t~ite166#1.offset, main_#t~mem165#1.base, main_#t~mem165#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; 2214#L750-3 [2023-11-21 21:00:15,360 INFO L750 eck$LassoCheckResult]: Loop: 2214#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; 2170#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 2171#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); 2172#L757-269 havoc main_~_ha_hashv~0#1; 2251#L757-176 goto; 2227#L757-174 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; 2151#L757-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 2152#L757-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch28#1 := 11 == main_~_hj_k~0#1; 2276#L757-73 assume !main_#t~switch28#1; 2270#L757-75 main_#t~switch28#1 := main_#t~switch28#1 || 10 == main_~_hj_k~0#1; 2242#L757-76 assume !main_#t~switch28#1; 2243#L757-78 main_#t~switch28#1 := main_#t~switch28#1 || 9 == main_~_hj_k~0#1; 2290#L757-79 assume !main_#t~switch28#1; 2149#L757-81 main_#t~switch28#1 := main_#t~switch28#1 || 8 == main_~_hj_k~0#1; 2150#L757-82 assume !main_#t~switch28#1; 2256#L757-84 main_#t~switch28#1 := main_#t~switch28#1 || 7 == main_~_hj_k~0#1; 2161#L757-85 assume !main_#t~switch28#1; 2110#L757-87 main_#t~switch28#1 := main_#t~switch28#1 || 6 == main_~_hj_k~0#1; 2111#L757-88 assume !main_#t~switch28#1; 2263#L757-90 main_#t~switch28#1 := main_#t~switch28#1 || 5 == main_~_hj_k~0#1; 2264#L757-91 assume !main_#t~switch28#1; 2287#L757-93 main_#t~switch28#1 := main_#t~switch28#1 || 4 == main_~_hj_k~0#1; 2122#L757-94 assume main_#t~switch28#1;call main_#t~mem36#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~mem36#1 % 256 % 4294967296);havoc main_#t~mem36#1; 2123#L757-96 main_#t~switch28#1 := main_#t~switch28#1 || 3 == main_~_hj_k~0#1; 2280#L757-97 assume main_#t~switch28#1;call main_#t~mem37#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~mem37#1 % 256 % 4294967296);havoc main_#t~mem37#1; 2281#L757-99 main_#t~switch28#1 := main_#t~switch28#1 || 2 == main_~_hj_k~0#1; 2285#L757-100 assume main_#t~switch28#1;call main_#t~mem38#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~mem38#1 % 256 % 4294967296);havoc main_#t~mem38#1; 2070#L757-102 main_#t~switch28#1 := main_#t~switch28#1 || 1 == main_~_hj_k~0#1; 2071#L757-103 assume main_#t~switch28#1;call main_#t~mem39#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 + (if main_#t~mem39#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem39#1 % 256 % 4294967296 else main_#t~mem39#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem39#1; 2241#L757-105 havoc main_#t~switch28#1; 2267#L757-171 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; 2189#L757-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet40#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 2108#L757-113 main_~_hj_i~0#1 := main_#t~nondet40#1;havoc main_#t~nondet40#1;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; 2109#L757-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet41#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 2196#L757-120 main_~_hj_j~0#1 := main_#t~nondet41#1;havoc main_#t~nondet41#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; 2100#L757-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet42#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 2102#L757-127 main_~_ha_hashv~0#1 := main_#t~nondet42#1;havoc main_#t~nondet42#1;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; 2158#L757-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet43#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 2181#L757-134 main_~_hj_i~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;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; 2201#L757-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet44#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 2105#L757-141 main_~_hj_j~0#1 := main_#t~nondet44#1;havoc main_#t~nondet44#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; 2106#L757-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet45#1 := main_~_hj_j~0#1 % 4294967296 / 32; 2166#L757-148 main_~_ha_hashv~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#1;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; 2167#L757-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet46#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 2148#L757-155 main_~_hj_i~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;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; 2209#L757-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet47#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 2210#L757-162 main_~_hj_j~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 2217#L757-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet48#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 2184#L757-169 main_~_ha_hashv~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#1; 2090#L757-170 goto; 2091#L757-172 havoc 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; 2117#L757-173 goto; 2120#L757-175 goto; 2121#L757-266 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); 2191#L757-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset; 2193#L757-194 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem68#1.base, main_#t~mem68#1.offset := read~$Pointer$(main_#t~mem67#1.base, 16 + main_#t~mem67#1.offset, 4);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem70#1 := read~int(main_#t~mem69#1.base, 20 + main_#t~mem69#1.offset, 4);call write~$Pointer$(main_#t~mem68#1.base, main_#t~mem68#1.offset - main_#t~mem70#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;havoc main_#t~mem68#1.base, main_#t~mem68#1.offset;havoc main_#t~mem69#1.base, main_#t~mem69#1.offset;havoc main_#t~mem70#1;call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_#t~mem71#1.base, 16 + main_#t~mem71#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem72#1.base, 8 + main_#t~mem72#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;call main_#t~mem73#1.base, main_#t~mem73#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~mem73#1.base, 16 + main_#t~mem73#1.offset, 4);havoc main_#t~mem73#1.base, main_#t~mem73#1.offset; 2182#L757-193 goto; 2134#L757-264 havoc main_~_ha_bkt~0#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int(main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);main_#t~post76#1 := main_#t~mem75#1;call write~int(1 + main_#t~post76#1, main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;havoc main_#t~post76#1; 2135#L757-203 call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem78#1 := read~int(main_#t~mem77#1.base, 4 + main_#t~mem77#1.offset, 4); 2082#L757-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem78#1 - 1) % 4294967296;main_#t~nondet79#1 := 0; 2083#L757-201 main_~_ha_bkt~0#1 := main_#t~nondet79#1;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;havoc main_#t~mem78#1;havoc main_#t~nondet79#1; 2139#L757-202 goto; 2154#L757-261 call main_#t~mem80#1.base, main_#t~mem80#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem81#1.base, main_#t~mem81#1.offset := read~$Pointer$(main_#t~mem80#1.base, main_#t~mem80#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem81#1.base, main_#t~mem81#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~mem80#1.base, main_#t~mem80#1.offset;havoc main_#t~mem81#1.base, main_#t~mem81#1.offset;call main_#t~mem82#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post83#1 := main_#t~mem82#1;call write~int(1 + main_#t~post83#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem82#1;havoc main_#t~post83#1;call main_#t~mem84#1.base, main_#t~mem84#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem84#1.base, main_#t~mem84#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem84#1.base, main_#t~mem84#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 2294#L757-205 assume main_#t~mem85#1.base != 0 || main_#t~mem85#1.offset != 0;havoc main_#t~mem85#1.base, main_#t~mem85#1.offset;call main_#t~mem86#1.base, main_#t~mem86#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~mem86#1.base, 12 + main_#t~mem86#1.offset, 4);havoc main_#t~mem86#1.base, main_#t~mem86#1.offset; 2212#L757-207 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~mem88#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem87#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short91#1 := main_#t~mem88#1 % 4294967296 >= 10 * (1 + main_#t~mem87#1) % 4294967296; 2115#L757-208 assume main_#t~short91#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem90#1 := read~int(main_#t~mem89#1.base, 36 + main_#t~mem89#1.offset, 4);main_#t~short91#1 := 0 == main_#t~mem90#1 % 4294967296; 2116#L757-210 assume !main_#t~short91#1;havoc main_#t~mem88#1;havoc main_#t~mem87#1;havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;havoc main_#t~mem90#1;havoc main_#t~short91#1; 2136#L757-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 2208#L757-260 goto; 2244#L757-262 havoc main_~_ha_bkt~0#1; 2245#L757-263 goto; 2232#L757-265 goto; 2132#L757-267 havoc main_~_ha_hashv~0#1; 2133#L757-268 goto; 2226#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2214#L750-3 [2023-11-21 21:00:15,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:15,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 4 times [2023-11-21 21:00:15,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:15,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813722391] [2023-11-21 21:00:15,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:15,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:15,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:15,398 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:15,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:15,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1950207859, now seen corresponding path program 1 times [2023-11-21 21:00:15,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:15,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367967132] [2023-11-21 21:00:15,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:15,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:15,458 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 21:00:15,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [933519121] [2023-11-21 21:00:15,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:15,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:00:15,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:15,461 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:00:15,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-21 21:00:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:15,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 21:00:15,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:15,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:15,999 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:00:15,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:00:15,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367967132] [2023-11-21 21:00:16,000 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 21:00:16,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933519121] [2023-11-21 21:00:16,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933519121] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:00:16,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:00:16,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-21 21:00:16,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772443843] [2023-11-21 21:00:16,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:00:16,002 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 21:00:16,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:00:16,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-21 21:00:16,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-21 21:00:16,003 INFO L87 Difference]: Start difference. First operand 254 states and 358 transitions. cyclomatic complexity: 108 Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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) [2023-11-21 21:00:16,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:00:16,638 INFO L93 Difference]: Finished difference Result 303 states and 420 transitions. [2023-11-21 21:00:16,638 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 303 states and 420 transitions. [2023-11-21 21:00:16,641 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 293 [2023-11-21 21:00:16,645 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 303 states to 303 states and 420 transitions. [2023-11-21 21:00:16,645 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 303 [2023-11-21 21:00:16,646 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 303 [2023-11-21 21:00:16,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 303 states and 420 transitions. [2023-11-21 21:00:16,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:00:16,647 INFO L218 hiAutomatonCegarLoop]: Abstraction has 303 states and 420 transitions. [2023-11-21 21:00:16,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states and 420 transitions. [2023-11-21 21:00:16,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 294. [2023-11-21 21:00:16,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 290 states have (on average 1.3793103448275863) internal successors, (400), 289 states have internal predecessors, (400), 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) [2023-11-21 21:00:16,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 406 transitions. [2023-11-21 21:00:16,659 INFO L240 hiAutomatonCegarLoop]: Abstraction has 294 states and 406 transitions. [2023-11-21 21:00:16,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-21 21:00:16,660 INFO L428 stractBuchiCegarLoop]: Abstraction has 294 states and 406 transitions. [2023-11-21 21:00:16,660 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-21 21:00:16,661 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 294 states and 406 transitions. [2023-11-21 21:00:16,663 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 284 [2023-11-21 21:00:16,663 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 21:00:16,663 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 21:00:16,664 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 21:00:16,664 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:00:16,665 INFO L748 eck$LassoCheckResult]: Stem: 3070#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;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; 3071#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~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~switch28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#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~malloc49#1.base, main_#t~malloc49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~malloc58#1.base, main_#t~malloc58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~memset~res65#1.base, main_#t~memset~res65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~post76#1, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~nondet79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~post83#1, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem88#1, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1, main_#t~short91#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~malloc94#1.base, main_#t~malloc94#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, main_#t~memset~res99#1.base, main_#t~memset~res99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem104#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~nondet105#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem115#1.base, main_#t~mem115#1.offset, 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~mem121#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~nondet122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~pre125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem134#1, main_#t~mem132#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem133#1, main_#t~mem135#1, main_#t~post136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~post112#1, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem114#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~post146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem153#1, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1, main_#t~ite156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem159#1.base, main_#t~mem159#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~mem161#1, main_#t~mem162#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~ite164#1.base, main_#t~ite164#1.offset, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem167#1.base, main_#t~mem167#1.offset, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~short169#1, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, 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, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~nondet193#1, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1, main_#t~post197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1, main_#t~post208#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite166#1.base, main_#t~ite166#1.offset, main_#t~mem165#1.base, main_#t~mem165#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; 3008#L750-3 [2023-11-21 21:00:16,665 INFO L750 eck$LassoCheckResult]: Loop: 3008#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; 2960#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 2961#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); 2962#L757-269 havoc main_~_ha_hashv~0#1; 3045#L757-176 goto; 3019#L757-174 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; 3020#L757-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 3135#L757-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch28#1 := 11 == main_~_hj_k~0#1; 3134#L757-73 assume !main_#t~switch28#1; 3133#L757-75 main_#t~switch28#1 := main_#t~switch28#1 || 10 == main_~_hj_k~0#1; 3132#L757-76 assume !main_#t~switch28#1; 3131#L757-78 main_#t~switch28#1 := main_#t~switch28#1 || 9 == main_~_hj_k~0#1; 3130#L757-79 assume !main_#t~switch28#1; 3129#L757-81 main_#t~switch28#1 := main_#t~switch28#1 || 8 == main_~_hj_k~0#1; 3128#L757-82 assume !main_#t~switch28#1; 3127#L757-84 main_#t~switch28#1 := main_#t~switch28#1 || 7 == main_~_hj_k~0#1; 3126#L757-85 assume !main_#t~switch28#1; 3125#L757-87 main_#t~switch28#1 := main_#t~switch28#1 || 6 == main_~_hj_k~0#1; 3124#L757-88 assume !main_#t~switch28#1; 3123#L757-90 main_#t~switch28#1 := main_#t~switch28#1 || 5 == main_~_hj_k~0#1; 3122#L757-91 assume !main_#t~switch28#1; 3084#L757-93 main_#t~switch28#1 := main_#t~switch28#1 || 4 == main_~_hj_k~0#1; 3085#L757-94 assume !main_#t~switch28#1; 3120#L757-96 main_#t~switch28#1 := main_#t~switch28#1 || 3 == main_~_hj_k~0#1; 3117#L757-97 assume !main_#t~switch28#1; 3105#L757-99 main_#t~switch28#1 := main_#t~switch28#1 || 2 == main_~_hj_k~0#1; 3106#L757-100 assume !main_#t~switch28#1; 3114#L757-102 main_#t~switch28#1 := main_#t~switch28#1 || 1 == main_~_hj_k~0#1; 3113#L757-103 assume main_#t~switch28#1;call main_#t~mem39#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 + (if main_#t~mem39#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem39#1 % 256 % 4294967296 else main_#t~mem39#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem39#1; 3064#L757-105 havoc main_#t~switch28#1; 3060#L757-171 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; 3061#L757-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet40#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 3111#L757-113 main_~_hj_i~0#1 := main_#t~nondet40#1;havoc main_#t~nondet40#1;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; 3110#L757-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet41#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 3109#L757-120 main_~_hj_j~0#1 := main_#t~nondet41#1;havoc main_#t~nondet41#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; 2888#L757-121 assume !(0 == main_~_ha_hashv~0#1 % 4294967296); 2889#L757-123 assume 0 == main_~_hj_j~0#1 % 4294967296 / 8192 % 4294967296;main_#t~nondet42#1 := main_~_ha_hashv~0#1; 2947#L757-127 main_~_ha_hashv~0#1 := main_#t~nondet42#1;havoc main_#t~nondet42#1;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; 2948#L757-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet43#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 2971#L757-134 main_~_hj_i~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;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; 2993#L757-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet44#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 2894#L757-141 main_~_hj_j~0#1 := main_#t~nondet44#1;havoc main_#t~nondet44#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; 2895#L757-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet45#1 := main_~_hj_j~0#1 % 4294967296 / 32; 2956#L757-148 main_~_ha_hashv~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#1;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; 2957#L757-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet46#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 2937#L757-155 main_~_hj_i~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;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; 3001#L757-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet47#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 3002#L757-162 main_~_hj_j~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 3009#L757-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet48#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 2974#L757-169 main_~_ha_hashv~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#1; 2880#L757-170 goto; 2881#L757-172 havoc 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; 2906#L757-173 goto; 2909#L757-175 goto; 2910#L757-266 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); 2981#L757-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset; 2983#L757-194 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem68#1.base, main_#t~mem68#1.offset := read~$Pointer$(main_#t~mem67#1.base, 16 + main_#t~mem67#1.offset, 4);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem70#1 := read~int(main_#t~mem69#1.base, 20 + main_#t~mem69#1.offset, 4);call write~$Pointer$(main_#t~mem68#1.base, main_#t~mem68#1.offset - main_#t~mem70#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;havoc main_#t~mem68#1.base, main_#t~mem68#1.offset;havoc main_#t~mem69#1.base, main_#t~mem69#1.offset;havoc main_#t~mem70#1;call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_#t~mem71#1.base, 16 + main_#t~mem71#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem72#1.base, 8 + main_#t~mem72#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;call main_#t~mem73#1.base, main_#t~mem73#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~mem73#1.base, 16 + main_#t~mem73#1.offset, 4);havoc main_#t~mem73#1.base, main_#t~mem73#1.offset; 2972#L757-193 goto; 2923#L757-264 havoc main_~_ha_bkt~0#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int(main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);main_#t~post76#1 := main_#t~mem75#1;call write~int(1 + main_#t~post76#1, main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;havoc main_#t~post76#1; 2924#L757-203 call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem78#1 := read~int(main_#t~mem77#1.base, 4 + main_#t~mem77#1.offset, 4); 2872#L757-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem78#1 - 1) % 4294967296;main_#t~nondet79#1 := 0; 2873#L757-201 main_~_ha_bkt~0#1 := main_#t~nondet79#1;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;havoc main_#t~mem78#1;havoc main_#t~nondet79#1; 2928#L757-202 goto; 2943#L757-261 call main_#t~mem80#1.base, main_#t~mem80#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem81#1.base, main_#t~mem81#1.offset := read~$Pointer$(main_#t~mem80#1.base, main_#t~mem80#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem81#1.base, main_#t~mem81#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~mem80#1.base, main_#t~mem80#1.offset;havoc main_#t~mem81#1.base, main_#t~mem81#1.offset;call main_#t~mem82#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post83#1 := main_#t~mem82#1;call write~int(1 + main_#t~post83#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem82#1;havoc main_#t~post83#1;call main_#t~mem84#1.base, main_#t~mem84#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem84#1.base, main_#t~mem84#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem84#1.base, main_#t~mem84#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 3091#L757-205 assume main_#t~mem85#1.base != 0 || main_#t~mem85#1.offset != 0;havoc main_#t~mem85#1.base, main_#t~mem85#1.offset;call main_#t~mem86#1.base, main_#t~mem86#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~mem86#1.base, 12 + main_#t~mem86#1.offset, 4);havoc main_#t~mem86#1.base, main_#t~mem86#1.offset; 3004#L757-207 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~mem88#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem87#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short91#1 := main_#t~mem88#1 % 4294967296 >= 10 * (1 + main_#t~mem87#1) % 4294967296; 2904#L757-208 assume main_#t~short91#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem90#1 := read~int(main_#t~mem89#1.base, 36 + main_#t~mem89#1.offset, 4);main_#t~short91#1 := 0 == main_#t~mem90#1 % 4294967296; 2905#L757-210 assume !main_#t~short91#1;havoc main_#t~mem88#1;havoc main_#t~mem87#1;havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;havoc main_#t~mem90#1;havoc main_#t~short91#1; 2925#L757-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 3000#L757-260 goto; 3038#L757-262 havoc main_~_ha_bkt~0#1; 3039#L757-263 goto; 3025#L757-265 goto; 2921#L757-267 havoc main_~_ha_hashv~0#1; 2922#L757-268 goto; 3018#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3008#L750-3 [2023-11-21 21:00:16,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:16,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 5 times [2023-11-21 21:00:16,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:16,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584823200] [2023-11-21 21:00:16,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:16,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:16,676 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:16,731 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:16,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:16,736 INFO L85 PathProgramCache]: Analyzing trace with hash -2016310890, now seen corresponding path program 1 times [2023-11-21 21:00:16,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:16,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367451878] [2023-11-21 21:00:16,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:16,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:16,797 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 21:00:16,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1174835506] [2023-11-21 21:00:16,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:16,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:00:16,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:16,800 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:00:16,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-21 21:00:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:17,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 21:00:17,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:17,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:17,144 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:00:17,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:00:17,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367451878] [2023-11-21 21:00:17,145 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 21:00:17,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174835506] [2023-11-21 21:00:17,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174835506] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:00:17,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:00:17,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:00:17,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261469841] [2023-11-21 21:00:17,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:00:17,148 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 21:00:17,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:00:17,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 21:00:17,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:00:17,150 INFO L87 Difference]: Start difference. First operand 294 states and 406 transitions. cyclomatic complexity: 116 Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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) [2023-11-21 21:00:17,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:00:17,302 INFO L93 Difference]: Finished difference Result 371 states and 532 transitions. [2023-11-21 21:00:17,303 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 371 states and 532 transitions. [2023-11-21 21:00:17,307 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 361 [2023-11-21 21:00:17,312 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 371 states to 371 states and 532 transitions. [2023-11-21 21:00:17,312 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 371 [2023-11-21 21:00:17,314 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 371 [2023-11-21 21:00:17,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 371 states and 532 transitions. [2023-11-21 21:00:17,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:00:17,316 INFO L218 hiAutomatonCegarLoop]: Abstraction has 371 states and 532 transitions. [2023-11-21 21:00:17,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states and 532 transitions. [2023-11-21 21:00:17,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 294. [2023-11-21 21:00:17,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 290 states have (on average 1.3689655172413793) internal successors, (397), 289 states have internal predecessors, (397), 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) [2023-11-21 21:00:17,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 403 transitions. [2023-11-21 21:00:17,330 INFO L240 hiAutomatonCegarLoop]: Abstraction has 294 states and 403 transitions. [2023-11-21 21:00:17,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 21:00:17,333 INFO L428 stractBuchiCegarLoop]: Abstraction has 294 states and 403 transitions. [2023-11-21 21:00:17,333 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-21 21:00:17,333 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 294 states and 403 transitions. [2023-11-21 21:00:17,335 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 284 [2023-11-21 21:00:17,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 21:00:17,336 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 21:00:17,337 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 21:00:17,337 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:00:17,338 INFO L748 eck$LassoCheckResult]: Stem: 3966#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;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; 3967#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~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~switch28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#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~malloc49#1.base, main_#t~malloc49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~malloc58#1.base, main_#t~malloc58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~memset~res65#1.base, main_#t~memset~res65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~post76#1, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~nondet79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~post83#1, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem88#1, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1, main_#t~short91#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~malloc94#1.base, main_#t~malloc94#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, main_#t~memset~res99#1.base, main_#t~memset~res99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem104#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~nondet105#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem115#1.base, main_#t~mem115#1.offset, 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~mem121#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~nondet122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~pre125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem134#1, main_#t~mem132#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem133#1, main_#t~mem135#1, main_#t~post136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~post112#1, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem114#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~post146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem153#1, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1, main_#t~ite156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem159#1.base, main_#t~mem159#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~mem161#1, main_#t~mem162#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~ite164#1.base, main_#t~ite164#1.offset, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem167#1.base, main_#t~mem167#1.offset, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~short169#1, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, 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, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~nondet193#1, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1, main_#t~post197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1, main_#t~post208#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite166#1.base, main_#t~ite166#1.offset, main_#t~mem165#1.base, main_#t~mem165#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; 3903#L750-3 [2023-11-21 21:00:17,340 INFO L750 eck$LassoCheckResult]: Loop: 3903#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; 3858#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 3859#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); 3860#L757-269 havoc main_~_ha_hashv~0#1; 3940#L757-176 goto; 3915#L757-174 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; 3916#L757-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 4026#L757-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch28#1 := 11 == main_~_hj_k~0#1; 4025#L757-73 assume !main_#t~switch28#1; 3963#L757-75 main_#t~switch28#1 := main_#t~switch28#1 || 10 == main_~_hj_k~0#1; 3931#L757-76 assume !main_#t~switch28#1; 3932#L757-78 main_#t~switch28#1 := main_#t~switch28#1 || 9 == main_~_hj_k~0#1; 3984#L757-79 assume !main_#t~switch28#1; 3985#L757-81 main_#t~switch28#1 := main_#t~switch28#1 || 8 == main_~_hj_k~0#1; 4001#L757-82 assume !main_#t~switch28#1; 3945#L757-84 main_#t~switch28#1 := main_#t~switch28#1 || 7 == main_~_hj_k~0#1; 3946#L757-85 assume !main_#t~switch28#1; 4022#L757-87 main_#t~switch28#1 := main_#t~switch28#1 || 6 == main_~_hj_k~0#1; 3987#L757-88 assume !main_#t~switch28#1; 3988#L757-90 main_#t~switch28#1 := main_#t~switch28#1 || 5 == main_~_hj_k~0#1; 3996#L757-91 assume !main_#t~switch28#1; 3997#L757-93 main_#t~switch28#1 := main_#t~switch28#1 || 4 == main_~_hj_k~0#1; 3809#L757-94 assume main_#t~switch28#1;call main_#t~mem36#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~mem36#1 % 256 % 4294967296);havoc main_#t~mem36#1; 3810#L757-96 main_#t~switch28#1 := main_#t~switch28#1 || 3 == main_~_hj_k~0#1; 4029#L757-97 assume main_#t~switch28#1;call main_#t~mem37#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~mem37#1 % 256 % 4294967296);havoc main_#t~mem37#1; 4030#L757-99 main_#t~switch28#1 := main_#t~switch28#1 || 2 == main_~_hj_k~0#1; 4031#L757-100 assume main_#t~switch28#1;call main_#t~mem38#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~mem38#1 % 256 % 4294967296);havoc main_#t~mem38#1; 4032#L757-102 main_#t~switch28#1 := main_#t~switch28#1 || 1 == main_~_hj_k~0#1; 4033#L757-103 assume main_#t~switch28#1;call main_#t~mem39#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 + (if main_#t~mem39#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem39#1 % 256 % 4294967296 else main_#t~mem39#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem39#1; 3930#L757-105 havoc main_#t~switch28#1; 3960#L757-171 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; 3877#L757-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet40#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 3795#L757-113 main_~_hj_i~0#1 := main_#t~nondet40#1;havoc main_#t~nondet40#1;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; 3796#L757-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet41#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 3884#L757-120 main_~_hj_j~0#1 := main_#t~nondet41#1;havoc main_#t~nondet41#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; 3784#L757-121 assume !(0 == main_~_ha_hashv~0#1 % 4294967296); 3785#L757-123 assume 0 == main_~_hj_j~0#1 % 4294967296 / 8192 % 4294967296;main_#t~nondet42#1 := main_~_ha_hashv~0#1; 3845#L757-127 main_~_ha_hashv~0#1 := main_#t~nondet42#1;havoc main_#t~nondet42#1;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; 3846#L757-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet43#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 3867#L757-134 main_~_hj_i~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;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; 3889#L757-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet44#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 3792#L757-141 main_~_hj_j~0#1 := main_#t~nondet44#1;havoc main_#t~nondet44#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; 3793#L757-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet45#1 := main_~_hj_j~0#1 % 4294967296 / 32; 3851#L757-148 main_~_ha_hashv~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#1;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; 3852#L757-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet46#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 3835#L757-155 main_~_hj_i~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;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; 3897#L757-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet47#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 3898#L757-162 main_~_hj_j~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 3905#L757-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet48#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 3872#L757-169 main_~_ha_hashv~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#1; 3778#L757-170 goto; 3779#L757-172 havoc 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; 3804#L757-173 goto; 3807#L757-175 goto; 3808#L757-266 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); 3879#L757-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset; 3881#L757-194 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem68#1.base, main_#t~mem68#1.offset := read~$Pointer$(main_#t~mem67#1.base, 16 + main_#t~mem67#1.offset, 4);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem70#1 := read~int(main_#t~mem69#1.base, 20 + main_#t~mem69#1.offset, 4);call write~$Pointer$(main_#t~mem68#1.base, main_#t~mem68#1.offset - main_#t~mem70#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;havoc main_#t~mem68#1.base, main_#t~mem68#1.offset;havoc main_#t~mem69#1.base, main_#t~mem69#1.offset;havoc main_#t~mem70#1;call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_#t~mem71#1.base, 16 + main_#t~mem71#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem72#1.base, 8 + main_#t~mem72#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;call main_#t~mem73#1.base, main_#t~mem73#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~mem73#1.base, 16 + main_#t~mem73#1.offset, 4);havoc main_#t~mem73#1.base, main_#t~mem73#1.offset; 3870#L757-193 goto; 3821#L757-264 havoc main_~_ha_bkt~0#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int(main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);main_#t~post76#1 := main_#t~mem75#1;call write~int(1 + main_#t~post76#1, main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;havoc main_#t~post76#1; 3822#L757-203 call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem78#1 := read~int(main_#t~mem77#1.base, 4 + main_#t~mem77#1.offset, 4); 3770#L757-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem78#1 - 1) % 4294967296;main_#t~nondet79#1 := 0; 3771#L757-201 main_~_ha_bkt~0#1 := main_#t~nondet79#1;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;havoc main_#t~mem78#1;havoc main_#t~nondet79#1; 3825#L757-202 goto; 3838#L757-261 call main_#t~mem80#1.base, main_#t~mem80#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem81#1.base, main_#t~mem81#1.offset := read~$Pointer$(main_#t~mem80#1.base, main_#t~mem80#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem81#1.base, main_#t~mem81#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~mem80#1.base, main_#t~mem80#1.offset;havoc main_#t~mem81#1.base, main_#t~mem81#1.offset;call main_#t~mem82#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post83#1 := main_#t~mem82#1;call write~int(1 + main_#t~post83#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem82#1;havoc main_#t~post83#1;call main_#t~mem84#1.base, main_#t~mem84#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem84#1.base, main_#t~mem84#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem84#1.base, main_#t~mem84#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 3989#L757-205 assume main_#t~mem85#1.base != 0 || main_#t~mem85#1.offset != 0;havoc main_#t~mem85#1.base, main_#t~mem85#1.offset;call main_#t~mem86#1.base, main_#t~mem86#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~mem86#1.base, 12 + main_#t~mem86#1.offset, 4);havoc main_#t~mem86#1.base, main_#t~mem86#1.offset; 3900#L757-207 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~mem88#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem87#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short91#1 := main_#t~mem88#1 % 4294967296 >= 10 * (1 + main_#t~mem87#1) % 4294967296; 3802#L757-208 assume main_#t~short91#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem90#1 := read~int(main_#t~mem89#1.base, 36 + main_#t~mem89#1.offset, 4);main_#t~short91#1 := 0 == main_#t~mem90#1 % 4294967296; 3803#L757-210 assume !main_#t~short91#1;havoc main_#t~mem88#1;havoc main_#t~mem87#1;havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;havoc main_#t~mem90#1;havoc main_#t~short91#1; 3823#L757-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 3896#L757-260 goto; 3933#L757-262 havoc main_~_ha_bkt~0#1; 3934#L757-263 goto; 3921#L757-265 goto; 3817#L757-267 havoc main_~_ha_hashv~0#1; 3818#L757-268 goto; 3914#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3903#L750-3 [2023-11-21 21:00:17,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:17,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 6 times [2023-11-21 21:00:17,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:17,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977750483] [2023-11-21 21:00:17,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:17,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:17,370 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:17,386 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:17,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:17,387 INFO L85 PathProgramCache]: Analyzing trace with hash 345377628, now seen corresponding path program 1 times [2023-11-21 21:00:17,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:17,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174091760] [2023-11-21 21:00:17,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:17,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:17,451 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 21:00:17,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1413541858] [2023-11-21 21:00:17,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:17,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:00:17,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:17,454 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:00:17,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-21 21:00:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:17,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 21:00:17,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:18,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:18,039 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:00:18,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:00:18,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174091760] [2023-11-21 21:00:18,040 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 21:00:18,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413541858] [2023-11-21 21:00:18,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413541858] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:00:18,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:00:18,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 21:00:18,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809937255] [2023-11-21 21:00:18,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:00:18,041 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 21:00:18,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:00:18,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:00:18,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:00:18,042 INFO L87 Difference]: Start difference. First operand 294 states and 403 transitions. cyclomatic complexity: 113 Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 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) [2023-11-21 21:00:18,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:00:18,619 INFO L93 Difference]: Finished difference Result 294 states and 402 transitions. [2023-11-21 21:00:18,620 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 294 states and 402 transitions. [2023-11-21 21:00:18,623 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 284 [2023-11-21 21:00:18,627 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 294 states to 294 states and 402 transitions. [2023-11-21 21:00:18,627 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 294 [2023-11-21 21:00:18,628 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 294 [2023-11-21 21:00:18,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 294 states and 402 transitions. [2023-11-21 21:00:18,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:00:18,629 INFO L218 hiAutomatonCegarLoop]: Abstraction has 294 states and 402 transitions. [2023-11-21 21:00:18,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states and 402 transitions. [2023-11-21 21:00:18,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 291. [2023-11-21 21:00:18,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 287 states have (on average 1.3658536585365855) internal successors, (392), 286 states have internal predecessors, (392), 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) [2023-11-21 21:00:18,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 398 transitions. [2023-11-21 21:00:18,639 INFO L240 hiAutomatonCegarLoop]: Abstraction has 291 states and 398 transitions. [2023-11-21 21:00:18,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:00:18,642 INFO L428 stractBuchiCegarLoop]: Abstraction has 291 states and 398 transitions. [2023-11-21 21:00:18,642 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-21 21:00:18,642 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 291 states and 398 transitions. [2023-11-21 21:00:18,644 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 281 [2023-11-21 21:00:18,645 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 21:00:18,645 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 21:00:18,648 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 21:00:18,648 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:00:18,649 INFO L748 eck$LassoCheckResult]: Stem: 4789#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;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; 4790#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~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~switch28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#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~malloc49#1.base, main_#t~malloc49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~malloc58#1.base, main_#t~malloc58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~memset~res65#1.base, main_#t~memset~res65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~post76#1, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~nondet79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~post83#1, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem88#1, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1, main_#t~short91#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~malloc94#1.base, main_#t~malloc94#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, main_#t~memset~res99#1.base, main_#t~memset~res99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem104#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~nondet105#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem115#1.base, main_#t~mem115#1.offset, 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~mem121#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~nondet122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~pre125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem134#1, main_#t~mem132#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem133#1, main_#t~mem135#1, main_#t~post136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~post112#1, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem114#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~post146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem153#1, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1, main_#t~ite156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem159#1.base, main_#t~mem159#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~mem161#1, main_#t~mem162#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~ite164#1.base, main_#t~ite164#1.offset, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem167#1.base, main_#t~mem167#1.offset, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~short169#1, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, 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, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~nondet193#1, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1, main_#t~post197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1, main_#t~post208#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite166#1.base, main_#t~ite166#1.offset, main_#t~mem165#1.base, main_#t~mem165#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; 4725#L750-3 [2023-11-21 21:00:18,650 INFO L750 eck$LassoCheckResult]: Loop: 4725#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; 4680#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 4681#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); 4682#L757-269 havoc main_~_ha_hashv~0#1; 4764#L757-176 goto; 4738#L757-174 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; 4739#L757-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 4852#L757-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch28#1 := 11 == main_~_hj_k~0#1; 4851#L757-73 assume !main_#t~switch28#1; 4850#L757-75 main_#t~switch28#1 := main_#t~switch28#1 || 10 == main_~_hj_k~0#1; 4849#L757-76 assume !main_#t~switch28#1; 4848#L757-78 main_#t~switch28#1 := main_#t~switch28#1 || 9 == main_~_hj_k~0#1; 4847#L757-79 assume !main_#t~switch28#1; 4846#L757-81 main_#t~switch28#1 := main_#t~switch28#1 || 8 == main_~_hj_k~0#1; 4818#L757-82 assume !main_#t~switch28#1; 4769#L757-84 main_#t~switch28#1 := main_#t~switch28#1 || 7 == main_~_hj_k~0#1; 4770#L757-85 assume !main_#t~switch28#1; 4839#L757-87 main_#t~switch28#1 := main_#t~switch28#1 || 6 == main_~_hj_k~0#1; 4838#L757-88 assume !main_#t~switch28#1; 4777#L757-90 main_#t~switch28#1 := main_#t~switch28#1 || 5 == main_~_hj_k~0#1; 4778#L757-91 assume !main_#t~switch28#1; 4836#L757-93 main_#t~switch28#1 := main_#t~switch28#1 || 4 == main_~_hj_k~0#1; 4632#L757-94 assume main_#t~switch28#1;call main_#t~mem36#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~mem36#1 % 256 % 4294967296);havoc main_#t~mem36#1; 4633#L757-96 main_#t~switch28#1 := main_#t~switch28#1 || 3 == main_~_hj_k~0#1; 4795#L757-97 assume main_#t~switch28#1;call main_#t~mem37#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~mem37#1 % 256 % 4294967296);havoc main_#t~mem37#1; 4796#L757-99 main_#t~switch28#1 := main_#t~switch28#1 || 2 == main_~_hj_k~0#1; 4801#L757-100 assume main_#t~switch28#1;call main_#t~mem38#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~mem38#1 % 256 % 4294967296);havoc main_#t~mem38#1; 4580#L757-102 main_#t~switch28#1 := main_#t~switch28#1 || 1 == main_~_hj_k~0#1; 4581#L757-103 assume main_#t~switch28#1;call main_#t~mem39#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 + (if main_#t~mem39#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem39#1 % 256 % 4294967296 else main_#t~mem39#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem39#1; 4754#L757-105 havoc main_#t~switch28#1; 4783#L757-171 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; 4824#L757-107 assume !(0 == main_~_hj_i~0#1 % 4294967296); 4704#L757-109 assume !(0 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296); 4705#L757-111 assume main_~_hj_i~0#1 % 4294967296 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296;main_#t~nondet40#1 := 0; 4618#L757-113 main_~_hj_i~0#1 := main_#t~nondet40#1;havoc main_#t~nondet40#1;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; 4619#L757-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet41#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 4707#L757-120 main_~_hj_j~0#1 := main_#t~nondet41#1;havoc main_#t~nondet41#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; 4608#L757-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet42#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 4610#L757-127 main_~_ha_hashv~0#1 := main_#t~nondet42#1;havoc main_#t~nondet42#1;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; 4668#L757-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet43#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 4691#L757-134 main_~_hj_i~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;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; 4712#L757-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet44#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 4615#L757-141 main_~_hj_j~0#1 := main_#t~nondet44#1;havoc main_#t~nondet44#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; 4616#L757-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet45#1 := main_~_hj_j~0#1 % 4294967296 / 32; 4676#L757-148 main_~_ha_hashv~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#1;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; 4677#L757-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet46#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 4658#L757-155 main_~_hj_i~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;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; 4720#L757-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet47#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 4721#L757-162 main_~_hj_j~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 4728#L757-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet48#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 4694#L757-169 main_~_ha_hashv~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#1; 4600#L757-170 goto; 4601#L757-172 havoc 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; 4627#L757-173 goto; 4630#L757-175 goto; 4631#L757-266 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); 4701#L757-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset; 4703#L757-194 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem68#1.base, main_#t~mem68#1.offset := read~$Pointer$(main_#t~mem67#1.base, 16 + main_#t~mem67#1.offset, 4);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem70#1 := read~int(main_#t~mem69#1.base, 20 + main_#t~mem69#1.offset, 4);call write~$Pointer$(main_#t~mem68#1.base, main_#t~mem68#1.offset - main_#t~mem70#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;havoc main_#t~mem68#1.base, main_#t~mem68#1.offset;havoc main_#t~mem69#1.base, main_#t~mem69#1.offset;havoc main_#t~mem70#1;call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_#t~mem71#1.base, 16 + main_#t~mem71#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem72#1.base, 8 + main_#t~mem72#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;call main_#t~mem73#1.base, main_#t~mem73#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~mem73#1.base, 16 + main_#t~mem73#1.offset, 4);havoc main_#t~mem73#1.base, main_#t~mem73#1.offset; 4692#L757-193 goto; 4644#L757-264 havoc main_~_ha_bkt~0#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int(main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);main_#t~post76#1 := main_#t~mem75#1;call write~int(1 + main_#t~post76#1, main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;havoc main_#t~post76#1; 4645#L757-203 call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem78#1 := read~int(main_#t~mem77#1.base, 4 + main_#t~mem77#1.offset, 4); 4592#L757-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem78#1 - 1) % 4294967296;main_#t~nondet79#1 := 0; 4593#L757-201 main_~_ha_bkt~0#1 := main_#t~nondet79#1;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;havoc main_#t~mem78#1;havoc main_#t~nondet79#1; 4649#L757-202 goto; 4664#L757-261 call main_#t~mem80#1.base, main_#t~mem80#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem81#1.base, main_#t~mem81#1.offset := read~$Pointer$(main_#t~mem80#1.base, main_#t~mem80#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem81#1.base, main_#t~mem81#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~mem80#1.base, main_#t~mem80#1.offset;havoc main_#t~mem81#1.base, main_#t~mem81#1.offset;call main_#t~mem82#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post83#1 := main_#t~mem82#1;call write~int(1 + main_#t~post83#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem82#1;havoc main_#t~post83#1;call main_#t~mem84#1.base, main_#t~mem84#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem84#1.base, main_#t~mem84#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem84#1.base, main_#t~mem84#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 4812#L757-205 assume main_#t~mem85#1.base != 0 || main_#t~mem85#1.offset != 0;havoc main_#t~mem85#1.base, main_#t~mem85#1.offset;call main_#t~mem86#1.base, main_#t~mem86#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~mem86#1.base, 12 + main_#t~mem86#1.offset, 4);havoc main_#t~mem86#1.base, main_#t~mem86#1.offset; 4723#L757-207 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~mem88#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem87#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short91#1 := main_#t~mem88#1 % 4294967296 >= 10 * (1 + main_#t~mem87#1) % 4294967296; 4625#L757-208 assume main_#t~short91#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem90#1 := read~int(main_#t~mem89#1.base, 36 + main_#t~mem89#1.offset, 4);main_#t~short91#1 := 0 == main_#t~mem90#1 % 4294967296; 4626#L757-210 assume !main_#t~short91#1;havoc main_#t~mem88#1;havoc main_#t~mem87#1;havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;havoc main_#t~mem90#1;havoc main_#t~short91#1; 4646#L757-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 4719#L757-260 goto; 4757#L757-262 havoc main_~_ha_bkt~0#1; 4758#L757-263 goto; 4744#L757-265 goto; 4642#L757-267 havoc main_~_ha_hashv~0#1; 4643#L757-268 goto; 4737#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4725#L750-3 [2023-11-21 21:00:18,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:18,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 7 times [2023-11-21 21:00:18,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:18,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634107960] [2023-11-21 21:00:18,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:18,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:18,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:18,675 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:18,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:18,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1835154424, now seen corresponding path program 1 times [2023-11-21 21:00:18,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:18,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387653269] [2023-11-21 21:00:18,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:18,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:18,724 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 21:00:18,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1071994525] [2023-11-21 21:00:18,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:18,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:00:18,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:18,729 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:00:18,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-21 21:00:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:19,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 21:00:19,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:19,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:19,282 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:00:19,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:00:19,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387653269] [2023-11-21 21:00:19,282 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 21:00:19,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071994525] [2023-11-21 21:00:19,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071994525] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:00:19,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:00:19,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 21:00:19,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252307323] [2023-11-21 21:00:19,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:00:19,284 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 21:00:19,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:00:19,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:00:19,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:00:19,285 INFO L87 Difference]: Start difference. First operand 291 states and 398 transitions. cyclomatic complexity: 111 Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) [2023-11-21 21:00:19,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:00:19,837 INFO L93 Difference]: Finished difference Result 298 states and 407 transitions. [2023-11-21 21:00:19,837 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 298 states and 407 transitions. [2023-11-21 21:00:19,840 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 288 [2023-11-21 21:00:19,844 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 298 states to 298 states and 407 transitions. [2023-11-21 21:00:19,845 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 298 [2023-11-21 21:00:19,846 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 298 [2023-11-21 21:00:19,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 298 states and 407 transitions. [2023-11-21 21:00:19,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:00:19,847 INFO L218 hiAutomatonCegarLoop]: Abstraction has 298 states and 407 transitions. [2023-11-21 21:00:19,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states and 407 transitions. [2023-11-21 21:00:19,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 295. [2023-11-21 21:00:19,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 291 states have (on average 1.3676975945017182) internal successors, (398), 290 states have internal predecessors, (398), 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) [2023-11-21 21:00:19,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 404 transitions. [2023-11-21 21:00:19,856 INFO L240 hiAutomatonCegarLoop]: Abstraction has 295 states and 404 transitions. [2023-11-21 21:00:19,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:00:19,858 INFO L428 stractBuchiCegarLoop]: Abstraction has 295 states and 404 transitions. [2023-11-21 21:00:19,858 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-21 21:00:19,858 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 295 states and 404 transitions. [2023-11-21 21:00:19,860 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 285 [2023-11-21 21:00:19,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 21:00:19,861 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 21:00:19,861 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 21:00:19,862 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:00:19,862 INFO L748 eck$LassoCheckResult]: Stem: 5613#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;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; 5614#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~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~switch28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#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~malloc49#1.base, main_#t~malloc49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~malloc58#1.base, main_#t~malloc58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~memset~res65#1.base, main_#t~memset~res65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~post76#1, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~nondet79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~post83#1, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem88#1, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1, main_#t~short91#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~malloc94#1.base, main_#t~malloc94#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, main_#t~memset~res99#1.base, main_#t~memset~res99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem104#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~nondet105#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem115#1.base, main_#t~mem115#1.offset, 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~mem121#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~nondet122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~pre125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem134#1, main_#t~mem132#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem133#1, main_#t~mem135#1, main_#t~post136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~post112#1, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem114#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~post146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem153#1, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1, main_#t~ite156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem159#1.base, main_#t~mem159#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~mem161#1, main_#t~mem162#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~ite164#1.base, main_#t~ite164#1.offset, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem167#1.base, main_#t~mem167#1.offset, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~short169#1, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, 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, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~nondet193#1, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1, main_#t~post197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1, main_#t~post208#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite166#1.base, main_#t~ite166#1.offset, main_#t~mem165#1.base, main_#t~mem165#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; 5554#L750-3 [2023-11-21 21:00:19,862 INFO L750 eck$LassoCheckResult]: Loop: 5554#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; 5506#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 5507#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); 5508#L757-269 havoc main_~_ha_hashv~0#1; 5589#L757-176 goto; 5565#L757-174 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; 5487#L757-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 5488#L757-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch28#1 := 11 == main_~_hj_k~0#1; 5615#L757-73 assume !main_#t~switch28#1; 5609#L757-75 main_#t~switch28#1 := main_#t~switch28#1 || 10 == main_~_hj_k~0#1; 5580#L757-76 assume !main_#t~switch28#1; 5581#L757-78 main_#t~switch28#1 := main_#t~switch28#1 || 9 == main_~_hj_k~0#1; 5629#L757-79 assume !main_#t~switch28#1; 5485#L757-81 main_#t~switch28#1 := main_#t~switch28#1 || 8 == main_~_hj_k~0#1; 5486#L757-82 assume !main_#t~switch28#1; 5594#L757-84 main_#t~switch28#1 := main_#t~switch28#1 || 7 == main_~_hj_k~0#1; 5497#L757-85 assume !main_#t~switch28#1; 5446#L757-87 main_#t~switch28#1 := main_#t~switch28#1 || 6 == main_~_hj_k~0#1; 5447#L757-88 assume !main_#t~switch28#1; 5601#L757-90 main_#t~switch28#1 := main_#t~switch28#1 || 5 == main_~_hj_k~0#1; 5602#L757-91 assume !main_#t~switch28#1; 5627#L757-93 main_#t~switch28#1 := main_#t~switch28#1 || 4 == main_~_hj_k~0#1; 5458#L757-94 assume main_#t~switch28#1;call main_#t~mem36#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~mem36#1 % 256 % 4294967296);havoc main_#t~mem36#1; 5459#L757-96 main_#t~switch28#1 := main_#t~switch28#1 || 3 == main_~_hj_k~0#1; 5663#L757-97 assume main_#t~switch28#1;call main_#t~mem37#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~mem37#1 % 256 % 4294967296);havoc main_#t~mem37#1; 5660#L757-99 main_#t~switch28#1 := main_#t~switch28#1 || 2 == main_~_hj_k~0#1; 5658#L757-100 assume main_#t~switch28#1;call main_#t~mem38#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~mem38#1 % 256 % 4294967296);havoc main_#t~mem38#1; 5655#L757-102 main_#t~switch28#1 := main_#t~switch28#1 || 1 == main_~_hj_k~0#1; 5653#L757-103 assume main_#t~switch28#1;call main_#t~mem39#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 + (if main_#t~mem39#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem39#1 % 256 % 4294967296 else main_#t~mem39#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem39#1; 5579#L757-105 havoc main_#t~switch28#1; 5607#L757-171 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; 5649#L757-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet40#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 5648#L757-113 main_~_hj_i~0#1 := main_#t~nondet40#1;havoc main_#t~nondet40#1;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; 5647#L757-114 assume !(0 == main_~_hj_j~0#1 % 4294967296); 5556#L757-116 assume !(0 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296); 5557#L757-118 assume !(main_~_hj_j~0#1 % 4294967296 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296);assume main_#t~nondet41#1 % 4294967296 <= main_~_hj_j~0#1 % 4294967296 + 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296; 5534#L757-120 main_~_hj_j~0#1 := main_#t~nondet41#1;havoc main_#t~nondet41#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; 5434#L757-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet42#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 5436#L757-127 main_~_ha_hashv~0#1 := main_#t~nondet42#1;havoc main_#t~nondet42#1;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; 5494#L757-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet43#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 5517#L757-134 main_~_hj_i~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;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; 5539#L757-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet44#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 5441#L757-141 main_~_hj_j~0#1 := main_#t~nondet44#1;havoc main_#t~nondet44#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; 5442#L757-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet45#1 := main_~_hj_j~0#1 % 4294967296 / 32; 5502#L757-148 main_~_ha_hashv~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#1;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; 5503#L757-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet46#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 5484#L757-155 main_~_hj_i~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;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; 5547#L757-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet47#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 5548#L757-162 main_~_hj_j~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 5555#L757-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet48#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 5520#L757-169 main_~_ha_hashv~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#1; 5426#L757-170 goto; 5427#L757-172 havoc 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; 5453#L757-173 goto; 5456#L757-175 goto; 5457#L757-266 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); 5528#L757-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset; 5530#L757-194 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem68#1.base, main_#t~mem68#1.offset := read~$Pointer$(main_#t~mem67#1.base, 16 + main_#t~mem67#1.offset, 4);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem70#1 := read~int(main_#t~mem69#1.base, 20 + main_#t~mem69#1.offset, 4);call write~$Pointer$(main_#t~mem68#1.base, main_#t~mem68#1.offset - main_#t~mem70#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;havoc main_#t~mem68#1.base, main_#t~mem68#1.offset;havoc main_#t~mem69#1.base, main_#t~mem69#1.offset;havoc main_#t~mem70#1;call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_#t~mem71#1.base, 16 + main_#t~mem71#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem72#1.base, 8 + main_#t~mem72#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;call main_#t~mem73#1.base, main_#t~mem73#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~mem73#1.base, 16 + main_#t~mem73#1.offset, 4);havoc main_#t~mem73#1.base, main_#t~mem73#1.offset; 5518#L757-193 goto; 5470#L757-264 havoc main_~_ha_bkt~0#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int(main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);main_#t~post76#1 := main_#t~mem75#1;call write~int(1 + main_#t~post76#1, main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;havoc main_#t~post76#1; 5471#L757-203 call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem78#1 := read~int(main_#t~mem77#1.base, 4 + main_#t~mem77#1.offset, 4); 5418#L757-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem78#1 - 1) % 4294967296;main_#t~nondet79#1 := 0; 5419#L757-201 main_~_ha_bkt~0#1 := main_#t~nondet79#1;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;havoc main_#t~mem78#1;havoc main_#t~nondet79#1; 5475#L757-202 goto; 5490#L757-261 call main_#t~mem80#1.base, main_#t~mem80#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem81#1.base, main_#t~mem81#1.offset := read~$Pointer$(main_#t~mem80#1.base, main_#t~mem80#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem81#1.base, main_#t~mem81#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~mem80#1.base, main_#t~mem80#1.offset;havoc main_#t~mem81#1.base, main_#t~mem81#1.offset;call main_#t~mem82#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post83#1 := main_#t~mem82#1;call write~int(1 + main_#t~post83#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem82#1;havoc main_#t~post83#1;call main_#t~mem84#1.base, main_#t~mem84#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem84#1.base, main_#t~mem84#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem84#1.base, main_#t~mem84#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 5636#L757-205 assume main_#t~mem85#1.base != 0 || main_#t~mem85#1.offset != 0;havoc main_#t~mem85#1.base, main_#t~mem85#1.offset;call main_#t~mem86#1.base, main_#t~mem86#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~mem86#1.base, 12 + main_#t~mem86#1.offset, 4);havoc main_#t~mem86#1.base, main_#t~mem86#1.offset; 5550#L757-207 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~mem88#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem87#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short91#1 := main_#t~mem88#1 % 4294967296 >= 10 * (1 + main_#t~mem87#1) % 4294967296; 5451#L757-208 assume main_#t~short91#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem90#1 := read~int(main_#t~mem89#1.base, 36 + main_#t~mem89#1.offset, 4);main_#t~short91#1 := 0 == main_#t~mem90#1 % 4294967296; 5452#L757-210 assume !main_#t~short91#1;havoc main_#t~mem88#1;havoc main_#t~mem87#1;havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;havoc main_#t~mem90#1;havoc main_#t~short91#1; 5472#L757-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 5546#L757-260 goto; 5582#L757-262 havoc main_~_ha_bkt~0#1; 5583#L757-263 goto; 5570#L757-265 goto; 5468#L757-267 havoc main_~_ha_hashv~0#1; 5469#L757-268 goto; 5564#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5554#L750-3 [2023-11-21 21:00:19,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:19,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 8 times [2023-11-21 21:00:19,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:19,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925887657] [2023-11-21 21:00:19,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:19,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:19,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:19,894 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:19,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:19,895 INFO L85 PathProgramCache]: Analyzing trace with hash -2119139418, now seen corresponding path program 1 times [2023-11-21 21:00:19,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:19,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376709592] [2023-11-21 21:00:19,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:19,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:19,979 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 21:00:19,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [834877046] [2023-11-21 21:00:19,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:19,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:00:19,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:19,989 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:00:20,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-21 21:00:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:23,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 21:00:23,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:23,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:23,362 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:00:23,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:00:23,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376709592] [2023-11-21 21:00:23,363 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 21:00:23,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834877046] [2023-11-21 21:00:23,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834877046] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:00:23,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:00:23,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-21 21:00:23,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726583695] [2023-11-21 21:00:23,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:00:23,364 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 21:00:23,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:00:23,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-21 21:00:23,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-21 21:00:23,366 INFO L87 Difference]: Start difference. First operand 295 states and 404 transitions. cyclomatic complexity: 113 Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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) [2023-11-21 21:00:24,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:00:24,174 INFO L93 Difference]: Finished difference Result 302 states and 412 transitions. [2023-11-21 21:00:24,174 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 302 states and 412 transitions. [2023-11-21 21:00:24,178 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 292 [2023-11-21 21:00:24,181 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 302 states to 302 states and 412 transitions. [2023-11-21 21:00:24,181 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 302 [2023-11-21 21:00:24,182 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 302 [2023-11-21 21:00:24,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 302 states and 412 transitions. [2023-11-21 21:00:24,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:00:24,183 INFO L218 hiAutomatonCegarLoop]: Abstraction has 302 states and 412 transitions. [2023-11-21 21:00:24,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states and 412 transitions. [2023-11-21 21:00:24,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 300. [2023-11-21 21:00:24,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 296 states have (on average 1.364864864864865) internal successors, (404), 295 states have internal predecessors, (404), 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) [2023-11-21 21:00:24,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 410 transitions. [2023-11-21 21:00:24,192 INFO L240 hiAutomatonCegarLoop]: Abstraction has 300 states and 410 transitions. [2023-11-21 21:00:24,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-21 21:00:24,195 INFO L428 stractBuchiCegarLoop]: Abstraction has 300 states and 410 transitions. [2023-11-21 21:00:24,195 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-21 21:00:24,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 300 states and 410 transitions. [2023-11-21 21:00:24,197 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 290 [2023-11-21 21:00:24,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 21:00:24,198 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 21:00:24,198 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 21:00:24,199 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:00:24,199 INFO L748 eck$LassoCheckResult]: Stem: 6452#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;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; 6453#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~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~switch28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#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~malloc49#1.base, main_#t~malloc49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~malloc58#1.base, main_#t~malloc58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~memset~res65#1.base, main_#t~memset~res65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~post76#1, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~nondet79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~post83#1, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem88#1, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1, main_#t~short91#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~malloc94#1.base, main_#t~malloc94#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, main_#t~memset~res99#1.base, main_#t~memset~res99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem104#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~nondet105#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem115#1.base, main_#t~mem115#1.offset, 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~mem121#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~nondet122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~pre125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem134#1, main_#t~mem132#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem133#1, main_#t~mem135#1, main_#t~post136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~post112#1, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem114#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~post146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem153#1, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1, main_#t~ite156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem159#1.base, main_#t~mem159#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~mem161#1, main_#t~mem162#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~ite164#1.base, main_#t~ite164#1.offset, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem167#1.base, main_#t~mem167#1.offset, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~short169#1, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, 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, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~nondet193#1, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1, main_#t~post197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1, main_#t~post208#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite166#1.base, main_#t~ite166#1.offset, main_#t~mem165#1.base, main_#t~mem165#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; 6391#L750-3 [2023-11-21 21:00:24,200 INFO L750 eck$LassoCheckResult]: Loop: 6391#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; 6344#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 6345#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); 6346#L757-269 havoc main_~_ha_hashv~0#1; 6428#L757-176 goto; 6403#L757-174 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; 6325#L757-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 6326#L757-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch28#1 := 11 == main_~_hj_k~0#1; 6454#L757-73 assume !main_#t~switch28#1; 6449#L757-75 main_#t~switch28#1 := main_#t~switch28#1 || 10 == main_~_hj_k~0#1; 6419#L757-76 assume !main_#t~switch28#1; 6420#L757-78 main_#t~switch28#1 := main_#t~switch28#1 || 9 == main_~_hj_k~0#1; 6481#L757-79 assume !main_#t~switch28#1; 6503#L757-81 main_#t~switch28#1 := main_#t~switch28#1 || 8 == main_~_hj_k~0#1; 6502#L757-82 assume !main_#t~switch28#1; 6501#L757-84 main_#t~switch28#1 := main_#t~switch28#1 || 7 == main_~_hj_k~0#1; 6500#L757-85 assume !main_#t~switch28#1; 6499#L757-87 main_#t~switch28#1 := main_#t~switch28#1 || 6 == main_~_hj_k~0#1; 6498#L757-88 assume !main_#t~switch28#1; 6497#L757-90 main_#t~switch28#1 := main_#t~switch28#1 || 5 == main_~_hj_k~0#1; 6496#L757-91 assume !main_#t~switch28#1; 6467#L757-93 main_#t~switch28#1 := main_#t~switch28#1 || 4 == main_~_hj_k~0#1; 6295#L757-94 assume main_#t~switch28#1;call main_#t~mem36#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~mem36#1 % 256 % 4294967296);havoc main_#t~mem36#1; 6296#L757-96 main_#t~switch28#1 := main_#t~switch28#1 || 3 == main_~_hj_k~0#1; 6508#L757-97 assume main_#t~switch28#1;call main_#t~mem37#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~mem37#1 % 256 % 4294967296);havoc main_#t~mem37#1; 6507#L757-99 main_#t~switch28#1 := main_#t~switch28#1 || 2 == main_~_hj_k~0#1; 6506#L757-100 assume main_#t~switch28#1;call main_#t~mem38#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~mem38#1 % 256 % 4294967296);havoc main_#t~mem38#1; 6244#L757-102 main_#t~switch28#1 := main_#t~switch28#1 || 1 == main_~_hj_k~0#1; 6245#L757-103 assume main_#t~switch28#1;call main_#t~mem39#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 + (if main_#t~mem39#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem39#1 % 256 % 4294967296 else main_#t~mem39#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem39#1; 6418#L757-105 havoc main_#t~switch28#1; 6443#L757-171 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; 6444#L757-107 assume !(0 == main_~_hj_i~0#1 % 4294967296); 6519#L757-109 assume !(0 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296); 6525#L757-111 assume !(main_~_hj_i~0#1 % 4294967296 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296);assume main_#t~nondet40#1 % 4294967296 <= main_~_hj_i~0#1 % 4294967296 + main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296; 6364#L757-113 main_~_hj_i~0#1 := main_#t~nondet40#1;havoc main_#t~nondet40#1;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; 6520#L757-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet41#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 6371#L757-120 main_~_hj_j~0#1 := main_#t~nondet41#1;havoc main_#t~nondet41#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; 6372#L757-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet42#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 6331#L757-127 main_~_ha_hashv~0#1 := main_#t~nondet42#1;havoc main_#t~nondet42#1;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; 6332#L757-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet43#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 6355#L757-134 main_~_hj_i~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;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; 6377#L757-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet44#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 6279#L757-141 main_~_hj_j~0#1 := main_#t~nondet44#1;havoc main_#t~nondet44#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; 6280#L757-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet45#1 := main_~_hj_j~0#1 % 4294967296 / 32; 6341#L757-148 main_~_ha_hashv~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#1;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; 6342#L757-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet46#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 6321#L757-155 main_~_hj_i~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;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; 6385#L757-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet47#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 6386#L757-162 main_~_hj_j~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 6393#L757-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet48#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 6358#L757-169 main_~_ha_hashv~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#1; 6264#L757-170 goto; 6265#L757-172 havoc 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; 6290#L757-173 goto; 6293#L757-175 goto; 6294#L757-266 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); 6366#L757-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset; 6368#L757-194 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem68#1.base, main_#t~mem68#1.offset := read~$Pointer$(main_#t~mem67#1.base, 16 + main_#t~mem67#1.offset, 4);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem70#1 := read~int(main_#t~mem69#1.base, 20 + main_#t~mem69#1.offset, 4);call write~$Pointer$(main_#t~mem68#1.base, main_#t~mem68#1.offset - main_#t~mem70#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;havoc main_#t~mem68#1.base, main_#t~mem68#1.offset;havoc main_#t~mem69#1.base, main_#t~mem69#1.offset;havoc main_#t~mem70#1;call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_#t~mem71#1.base, 16 + main_#t~mem71#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem72#1.base, 8 + main_#t~mem72#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;call main_#t~mem73#1.base, main_#t~mem73#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~mem73#1.base, 16 + main_#t~mem73#1.offset, 4);havoc main_#t~mem73#1.base, main_#t~mem73#1.offset; 6356#L757-193 goto; 6307#L757-264 havoc main_~_ha_bkt~0#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int(main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);main_#t~post76#1 := main_#t~mem75#1;call write~int(1 + main_#t~post76#1, main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;havoc main_#t~post76#1; 6308#L757-203 call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem78#1 := read~int(main_#t~mem77#1.base, 4 + main_#t~mem77#1.offset, 4); 6256#L757-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem78#1 - 1) % 4294967296;main_#t~nondet79#1 := 0; 6257#L757-201 main_~_ha_bkt~0#1 := main_#t~nondet79#1;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;havoc main_#t~mem78#1;havoc main_#t~nondet79#1; 6311#L757-202 goto; 6324#L757-261 call main_#t~mem80#1.base, main_#t~mem80#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem81#1.base, main_#t~mem81#1.offset := read~$Pointer$(main_#t~mem80#1.base, main_#t~mem80#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem81#1.base, main_#t~mem81#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~mem80#1.base, main_#t~mem80#1.offset;havoc main_#t~mem81#1.base, main_#t~mem81#1.offset;call main_#t~mem82#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post83#1 := main_#t~mem82#1;call write~int(1 + main_#t~post83#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem82#1;havoc main_#t~post83#1;call main_#t~mem84#1.base, main_#t~mem84#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem84#1.base, main_#t~mem84#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem84#1.base, main_#t~mem84#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 6473#L757-205 assume main_#t~mem85#1.base != 0 || main_#t~mem85#1.offset != 0;havoc main_#t~mem85#1.base, main_#t~mem85#1.offset;call main_#t~mem86#1.base, main_#t~mem86#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~mem86#1.base, 12 + main_#t~mem86#1.offset, 4);havoc main_#t~mem86#1.base, main_#t~mem86#1.offset; 6388#L757-207 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~mem88#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem87#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short91#1 := main_#t~mem88#1 % 4294967296 >= 10 * (1 + main_#t~mem87#1) % 4294967296; 6288#L757-208 assume main_#t~short91#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem90#1 := read~int(main_#t~mem89#1.base, 36 + main_#t~mem89#1.offset, 4);main_#t~short91#1 := 0 == main_#t~mem90#1 % 4294967296; 6289#L757-210 assume !main_#t~short91#1;havoc main_#t~mem88#1;havoc main_#t~mem87#1;havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;havoc main_#t~mem90#1;havoc main_#t~short91#1; 6309#L757-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 6384#L757-260 goto; 6421#L757-262 havoc main_~_ha_bkt~0#1; 6422#L757-263 goto; 6407#L757-265 goto; 6303#L757-267 havoc main_~_ha_hashv~0#1; 6304#L757-268 goto; 6402#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6391#L750-3 [2023-11-21 21:00:24,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:24,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 9 times [2023-11-21 21:00:24,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:24,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277862960] [2023-11-21 21:00:24,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:24,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:24,222 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:24,243 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:24,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:24,244 INFO L85 PathProgramCache]: Analyzing trace with hash 410425030, now seen corresponding path program 1 times [2023-11-21 21:00:24,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:24,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248500364] [2023-11-21 21:00:24,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:24,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:24,290 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 21:00:24,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1103805650] [2023-11-21 21:00:24,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:24,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:00:24,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:24,294 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:00:24,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456ab2ea-05f5-4313-ac52-44bc648324c4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-21 21:00:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:27,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 21:00:27,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:44,861 WARN L293 SmtUtils]: Spent 12.09s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-21 21:00:53,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:53,056 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:00:53,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:00:53,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248500364] [2023-11-21 21:00:53,057 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 21:00:53,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103805650] [2023-11-21 21:00:53,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103805650] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:00:53,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:00:53,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 21:00:53,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829405707] [2023-11-21 21:00:53,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:00:53,058 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 21:00:53,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:00:53,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 21:00:53,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-21 21:00:53,059 INFO L87 Difference]: Start difference. First operand 300 states and 410 transitions. cyclomatic complexity: 114 Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:01:07,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-21 21:01:09,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]