./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 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_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl --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 bb48026e7f870ff561a4cdd394c24cb5edb1d0f2fc8e8ef2bffe0b7b8438fda4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:31:12,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:31:12,787 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-12 02:31:12,801 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:31:12,802 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:31:12,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:31:12,845 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:31:12,846 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:31:12,848 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:31:12,853 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:31:12,853 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:31:12,854 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:31:12,855 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:31:12,857 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:31:12,857 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:31:12,858 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:31:12,858 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:31:12,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:31:12,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:31:12,860 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:31:12,861 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:31:12,862 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:31:12,862 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:31:12,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:31:12,863 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:31:12,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:31:12,864 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:31:12,865 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:31:12,866 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:31:12,866 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:31:12,868 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:31:12,868 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:31:12,868 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:31:12,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:31:12,869 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:31:12,870 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:31:12,870 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_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb48026e7f870ff561a4cdd394c24cb5edb1d0f2fc8e8ef2bffe0b7b8438fda4 [2023-11-12 02:31:13,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:31:13,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:31:13,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:31:13,243 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:31:13,244 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:31:13,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i [2023-11-12 02:31:16,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:31:16,893 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:31:16,894 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i [2023-11-12 02:31:16,916 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/data/15be5b1ee/67d6122e6cc34fd8b558cf168d23ec50/FLAG0b1aecd70 [2023-11-12 02:31:16,932 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/data/15be5b1ee/67d6122e6cc34fd8b558cf168d23ec50 [2023-11-12 02:31:16,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:31:16,937 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:31:16,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:31:16,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:31:16,945 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:31:16,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:31:16" (1/1) ... [2023-11-12 02:31:16,947 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d44c3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:16, skipping insertion in model container [2023-11-12 02:31:16,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:31:16" (1/1) ... [2023-11-12 02:31:17,035 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:31:18,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:31:18,075 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:31:18,212 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:31:18,286 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:31:18,295 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:31:18,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:18 WrapperNode [2023-11-12 02:31:18,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:31:18,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:31:18,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:31:18,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:31:18,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:18" (1/1) ... [2023-11-12 02:31:18,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:18" (1/1) ... [2023-11-12 02:31:18,468 INFO L138 Inliner]: procedures = 282, calls = 351, calls flagged for inlining = 25, calls inlined = 37, statements flattened = 1709 [2023-11-12 02:31:18,469 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:31:18,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:31:18,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:31:18,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:31:18,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:18" (1/1) ... [2023-11-12 02:31:18,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:18" (1/1) ... [2023-11-12 02:31:18,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:18" (1/1) ... [2023-11-12 02:31:18,517 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:18" (1/1) ... [2023-11-12 02:31:18,613 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:18" (1/1) ... [2023-11-12 02:31:18,646 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:18" (1/1) ... [2023-11-12 02:31:18,658 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:18" (1/1) ... [2023-11-12 02:31:18,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:18" (1/1) ... [2023-11-12 02:31:18,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:31:18,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:31:18,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:31:18,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:31:18,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:18" (1/1) ... [2023-11-12 02:31:18,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:31:18,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:31:18,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:31:18,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:31:18,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:31:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:31:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:31:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 02:31:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:31:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:31:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:31:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:31:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:31:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:31:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:31:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:31:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:31:18,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:31:19,125 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:31:19,131 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:31:19,137 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 02:31:21,551 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:31:21,575 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:31:21,576 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-12 02:31:21,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:21 BoogieIcfgContainer [2023-11-12 02:31:21,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:31:21,582 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:31:21,582 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:31:21,587 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:31:21,588 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:31:21,588 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:31:16" (1/3) ... [2023-11-12 02:31:21,590 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28421114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:31:21, skipping insertion in model container [2023-11-12 02:31:21,590 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:31:21,591 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:18" (2/3) ... [2023-11-12 02:31:21,593 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28421114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:31:21, skipping insertion in model container [2023-11-12 02:31:21,594 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:31:21,594 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:21" (3/3) ... [2023-11-12 02:31:21,596 INFO L332 chiAutomizerObserver]: Analyzing ICFG uthash_SAX_test6-2.i [2023-11-12 02:31:21,689 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:31:21,690 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:31:21,690 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:31:21,690 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:31:21,690 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:31:21,690 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:31:21,690 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:31:21,691 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:31:21,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 458 states, 453 states have (on average 1.6445916114790287) internal successors, (745), 453 states have internal predecessors, (745), 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) [2023-11-12 02:31:21,761 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 431 [2023-11-12 02:31:21,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:31:21,761 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:31:21,771 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:31:21,771 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:31:21,771 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:31:21,773 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 458 states, 453 states have (on average 1.6445916114790287) internal successors, (745), 453 states have internal predecessors, (745), 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) [2023-11-12 02:31:21,793 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 431 [2023-11-12 02:31:21,793 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:31:21,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:31:21,794 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:31:21,794 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:31:21,803 INFO L748 eck$LassoCheckResult]: Stem: 130#$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);~#alt_malloc_sizes~0.base, ~#alt_malloc_sizes~0.offset := 3, 0;call #Ultimate.allocInit(40, 3);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#alt_malloc_sizes~0.base);~alt_malloc_balance~0 := 0;~alt_memcmp_count~0 := 0;~alt_bzero_count~0 := 0; 370#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset, main_#t~mem44#1, main_#t~mem45#1, main_#t~mem46#1, main_#t~mem48#1, main_#t~mem47#1, main_#t~mem49#1, main_#t~mem50#1, main_#t~mem52#1, main_#t~mem51#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem56#1, main_#t~mem55#1, main_#t~mem57#1, main_#t~mem58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~switch68#1, main_#t~mem69#1, main_#t~mem70#1, main_#t~mem71#1, main_#t~mem72#1, main_#t~mem73#1, main_#t~mem74#1, main_#t~mem75#1, main_#t~mem76#1, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_#t~nondet84#1, main_#t~nondet85#1, main_#t~nondet86#1, main_#t~nondet87#1, main_#t~nondet88#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~ret89#1.base, main_#t~ret89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~ret97#1.base, main_#t~ret97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1, main_#t~nondet117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~post121#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem126#1, main_#t~mem125#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~short129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ret132#1.base, main_#t~ret132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~nondet142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem146#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~nondet147#1, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem158#1, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~nondet159#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~pre162#1, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1, main_#t~post167#1, main_#t~mem171#1, main_#t~mem169#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem170#1, main_#t~mem172#1, main_#t~post173#1, 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~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1, 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, main_#t~post185#1, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, 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~ite195#1, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1, main_#t~mem198#1.base, main_#t~mem198#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~mem40#1, main_#t~post41#1, main_#t~mem42#1, main_#t~mem203#1, main_#t~mem202#1, main_#t~mem204#1, main_#t~mem205#1, main_#t~mem207#1, main_#t~mem206#1, main_#t~mem208#1, main_#t~mem209#1, main_#t~mem211#1, main_#t~mem210#1, main_#t~mem212#1, main_#t~mem213#1, main_#t~nondet214#1, main_#t~nondet215#1, main_#t~nondet216#1, main_#t~nondet217#1, main_#t~nondet218#1, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~nondet221#1, main_#t~nondet222#1, main_#t~switch223#1, main_#t~mem224#1, main_#t~mem225#1, main_#t~mem226#1, main_#t~mem227#1, main_#t~mem228#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem233#1, main_#t~mem234#1, main_#t~nondet235#1, main_#t~nondet236#1, main_#t~nondet237#1, main_#t~nondet238#1, main_#t~nondet239#1, main_#t~nondet240#1, main_#t~nondet241#1, main_#t~nondet242#1, main_#t~nondet243#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1, main_#t~nondet246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1, main_#t~mem255#1, main_#t~mem256#1, main_#t~short257#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~ret259#1, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~short266#1, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~mem277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1.base, main_#t~mem286#1.offset, main_#t~mem287#1, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem291#1, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~nondet292#1, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1, main_#t~post296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1.base, main_#t~mem299#1.offset, main_#t~mem300#1.base, main_#t~mem300#1.offset, main_#t~mem301#1.base, main_#t~mem301#1.offset, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1.base, main_#t~mem304#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem305#1.base, main_#t~mem305#1.offset, main_#t~mem306#1, main_#t~post307#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem199#1, main_#t~post200#1, main_#t~mem201#1, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~ite310#1.base, main_#t~ite310#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~short315#1, main_#t~mem316#1.base, main_#t~mem316#1.offset, main_#t~mem317#1.base, main_#t~mem317#1.offset, main_#t~mem318#1.base, main_#t~mem318#1.offset, main_#t~mem319#1, main_#t~mem320#1.base, main_#t~mem320#1.offset, main_#t~mem321#1.base, main_#t~mem321#1.offset, main_#t~mem322#1.base, main_#t~mem322#1.offset, main_#t~mem323#1.base, main_#t~mem323#1.offset, main_#t~mem324#1.base, main_#t~mem324#1.offset, main_#t~mem325#1.base, main_#t~mem325#1.offset, main_#t~mem326#1, main_#t~mem327#1.base, main_#t~mem327#1.offset, main_#t~mem328#1.base, main_#t~mem328#1.offset, main_#t~mem329#1.base, main_#t~mem329#1.offset, main_#t~mem330#1, main_#t~mem331#1.base, main_#t~mem331#1.offset, main_#t~mem332#1.base, main_#t~mem332#1.offset, main_#t~mem333#1.base, main_#t~mem333#1.offset, main_#t~mem334#1.base, main_#t~mem334#1.offset, main_#t~mem335#1.base, main_#t~mem335#1.offset, main_#t~mem336#1, main_#t~mem337#1.base, main_#t~mem337#1.offset, main_#t~mem340#1, main_#t~mem338#1.base, main_#t~mem338#1.offset, main_#t~mem339#1, main_#t~nondet341#1, main_#t~mem342#1.base, main_#t~mem342#1.offset, main_#t~mem343#1.base, main_#t~mem343#1.offset, main_#t~mem344#1, main_#t~post345#1, main_#t~mem346#1.base, main_#t~mem346#1.offset, main_#t~mem347#1.base, main_#t~mem347#1.offset, main_#t~mem348#1.base, main_#t~mem348#1.offset, main_#t~mem349#1.base, main_#t~mem349#1.offset, main_#t~mem350#1.base, main_#t~mem350#1.offset, main_#t~mem351#1.base, main_#t~mem351#1.offset, main_#t~mem352#1.base, main_#t~mem352#1.offset, main_#t~mem353#1.base, main_#t~mem353#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem354#1.base, main_#t~mem354#1.offset, main_#t~mem355#1, main_#t~post356#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite312#1.base, main_#t~ite312#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 8#L989-4true [2023-11-12 02:31:21,804 INFO L750 eck$LassoCheckResult]: Loop: 8#L989-4true call main_#t~mem42#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 233#L989-1true assume !!(main_#t~mem42#1 < 10);havoc main_#t~mem42#1;assume { :begin_inline_real_malloc } true;real_malloc_#in~n#1 := 40;havoc real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;real_malloc_~n#1 := real_malloc_#in~n#1;call real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset := #Ultimate.allocOnHeap(real_malloc_~n#1 % 4294967296);real_malloc_#res#1.base, real_malloc_#res#1.offset := real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; 4#real_malloc_returnLabel#1true main_#t~ret43#1.base, main_#t~ret43#1.offset := real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;havoc real_malloc_#in~n#1;assume { :end_inline_real_malloc } true;main_~user~0#1.base, main_~user~0#1.offset := main_#t~ret43#1.base, main_#t~ret43#1.offset;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset; 9#L991true assume main_~user~0#1.base == 0 && main_~user~0#1.offset == 0;assume false; 85#L991-2true call main_#t~mem44#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem44#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem44#1;call main_#t~mem45#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem46#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem45#1 * main_#t~mem46#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem45#1;havoc main_#t~mem46#1; 268#L996-263true assume !true; 433#L989-3true call main_#t~mem40#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post41#1 := main_#t~mem40#1;call write~int(1 + main_#t~post41#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem40#1;havoc main_#t~post41#1; 8#L989-4true [2023-11-12 02:31:21,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:21,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2023-11-12 02:31:21,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:21,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344072109] [2023-11-12 02:31:21,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:21,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:21,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:31:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:22,057 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:31:22,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:22,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1530803754, now seen corresponding path program 1 times [2023-11-12 02:31:22,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:22,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743493900] [2023-11-12 02:31:22,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:22,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:22,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:31:22,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743493900] [2023-11-12 02:31:22,188 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:31:22,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385696834] [2023-11-12 02:31:22,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:22,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:31:22,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:31:22,196 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:31:22,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:31:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:22,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:31:22,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:31:22,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:22,424 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:31:22,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385696834] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:22,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:22,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:31:22,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545117081] [2023-11-12 02:31:22,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:22,436 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:31:22,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:31:22,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:31:22,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:31:22,486 INFO L87 Difference]: Start difference. First operand has 458 states, 453 states have (on average 1.6445916114790287) internal successors, (745), 453 states have internal predecessors, (745), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2023-11-12 02:31:22,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:22,544 INFO L93 Difference]: Finished difference Result 439 states and 628 transitions. [2023-11-12 02:31:22,546 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 439 states and 628 transitions. [2023-11-12 02:31:22,557 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 404 [2023-11-12 02:31:22,573 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 439 states to 422 states and 611 transitions. [2023-11-12 02:31:22,574 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 422 [2023-11-12 02:31:22,577 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 422 [2023-11-12 02:31:22,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 422 states and 611 transitions. [2023-11-12 02:31:22,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:31:22,583 INFO L218 hiAutomatonCegarLoop]: Abstraction has 422 states and 611 transitions. [2023-11-12 02:31:22,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states and 611 transitions. [2023-11-12 02:31:22,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 422. [2023-11-12 02:31:22,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 418 states have (on average 1.4473684210526316) internal successors, (605), 417 states have internal predecessors, (605), 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) [2023-11-12 02:31:22,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 611 transitions. [2023-11-12 02:31:22,643 INFO L240 hiAutomatonCegarLoop]: Abstraction has 422 states and 611 transitions. [2023-11-12 02:31:22,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:31:22,648 INFO L428 stractBuchiCegarLoop]: Abstraction has 422 states and 611 transitions. [2023-11-12 02:31:22,649 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:31:22,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 422 states and 611 transitions. [2023-11-12 02:31:22,653 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 404 [2023-11-12 02:31:22,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:31:22,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:31:22,655 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:31:22,656 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] [2023-11-12 02:31:22,656 INFO L748 eck$LassoCheckResult]: Stem: 1137#$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);~#alt_malloc_sizes~0.base, ~#alt_malloc_sizes~0.offset := 3, 0;call #Ultimate.allocInit(40, 3);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#alt_malloc_sizes~0.base);~alt_malloc_balance~0 := 0;~alt_memcmp_count~0 := 0;~alt_bzero_count~0 := 0; 1138#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset, main_#t~mem44#1, main_#t~mem45#1, main_#t~mem46#1, main_#t~mem48#1, main_#t~mem47#1, main_#t~mem49#1, main_#t~mem50#1, main_#t~mem52#1, main_#t~mem51#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem56#1, main_#t~mem55#1, main_#t~mem57#1, main_#t~mem58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~switch68#1, main_#t~mem69#1, main_#t~mem70#1, main_#t~mem71#1, main_#t~mem72#1, main_#t~mem73#1, main_#t~mem74#1, main_#t~mem75#1, main_#t~mem76#1, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_#t~nondet84#1, main_#t~nondet85#1, main_#t~nondet86#1, main_#t~nondet87#1, main_#t~nondet88#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~ret89#1.base, main_#t~ret89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~ret97#1.base, main_#t~ret97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1, main_#t~nondet117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~post121#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem126#1, main_#t~mem125#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~short129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ret132#1.base, main_#t~ret132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~nondet142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem146#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~nondet147#1, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem158#1, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~nondet159#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~pre162#1, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1, main_#t~post167#1, main_#t~mem171#1, main_#t~mem169#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem170#1, main_#t~mem172#1, main_#t~post173#1, 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~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1, 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, main_#t~post185#1, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, 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~ite195#1, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1, main_#t~mem198#1.base, main_#t~mem198#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~mem40#1, main_#t~post41#1, main_#t~mem42#1, main_#t~mem203#1, main_#t~mem202#1, main_#t~mem204#1, main_#t~mem205#1, main_#t~mem207#1, main_#t~mem206#1, main_#t~mem208#1, main_#t~mem209#1, main_#t~mem211#1, main_#t~mem210#1, main_#t~mem212#1, main_#t~mem213#1, main_#t~nondet214#1, main_#t~nondet215#1, main_#t~nondet216#1, main_#t~nondet217#1, main_#t~nondet218#1, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~nondet221#1, main_#t~nondet222#1, main_#t~switch223#1, main_#t~mem224#1, main_#t~mem225#1, main_#t~mem226#1, main_#t~mem227#1, main_#t~mem228#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem233#1, main_#t~mem234#1, main_#t~nondet235#1, main_#t~nondet236#1, main_#t~nondet237#1, main_#t~nondet238#1, main_#t~nondet239#1, main_#t~nondet240#1, main_#t~nondet241#1, main_#t~nondet242#1, main_#t~nondet243#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1, main_#t~nondet246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1, main_#t~mem255#1, main_#t~mem256#1, main_#t~short257#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~ret259#1, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~short266#1, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~mem277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1.base, main_#t~mem286#1.offset, main_#t~mem287#1, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem291#1, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~nondet292#1, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1, main_#t~post296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1.base, main_#t~mem299#1.offset, main_#t~mem300#1.base, main_#t~mem300#1.offset, main_#t~mem301#1.base, main_#t~mem301#1.offset, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1.base, main_#t~mem304#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem305#1.base, main_#t~mem305#1.offset, main_#t~mem306#1, main_#t~post307#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem199#1, main_#t~post200#1, main_#t~mem201#1, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~ite310#1.base, main_#t~ite310#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~short315#1, main_#t~mem316#1.base, main_#t~mem316#1.offset, main_#t~mem317#1.base, main_#t~mem317#1.offset, main_#t~mem318#1.base, main_#t~mem318#1.offset, main_#t~mem319#1, main_#t~mem320#1.base, main_#t~mem320#1.offset, main_#t~mem321#1.base, main_#t~mem321#1.offset, main_#t~mem322#1.base, main_#t~mem322#1.offset, main_#t~mem323#1.base, main_#t~mem323#1.offset, main_#t~mem324#1.base, main_#t~mem324#1.offset, main_#t~mem325#1.base, main_#t~mem325#1.offset, main_#t~mem326#1, main_#t~mem327#1.base, main_#t~mem327#1.offset, main_#t~mem328#1.base, main_#t~mem328#1.offset, main_#t~mem329#1.base, main_#t~mem329#1.offset, main_#t~mem330#1, main_#t~mem331#1.base, main_#t~mem331#1.offset, main_#t~mem332#1.base, main_#t~mem332#1.offset, main_#t~mem333#1.base, main_#t~mem333#1.offset, main_#t~mem334#1.base, main_#t~mem334#1.offset, main_#t~mem335#1.base, main_#t~mem335#1.offset, main_#t~mem336#1, main_#t~mem337#1.base, main_#t~mem337#1.offset, main_#t~mem340#1, main_#t~mem338#1.base, main_#t~mem338#1.offset, main_#t~mem339#1, main_#t~nondet341#1, main_#t~mem342#1.base, main_#t~mem342#1.offset, main_#t~mem343#1.base, main_#t~mem343#1.offset, main_#t~mem344#1, main_#t~post345#1, main_#t~mem346#1.base, main_#t~mem346#1.offset, main_#t~mem347#1.base, main_#t~mem347#1.offset, main_#t~mem348#1.base, main_#t~mem348#1.offset, main_#t~mem349#1.base, main_#t~mem349#1.offset, main_#t~mem350#1.base, main_#t~mem350#1.offset, main_#t~mem351#1.base, main_#t~mem351#1.offset, main_#t~mem352#1.base, main_#t~mem352#1.offset, main_#t~mem353#1.base, main_#t~mem353#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem354#1.base, main_#t~mem354#1.offset, main_#t~mem355#1, main_#t~post356#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite312#1.base, main_#t~ite312#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 933#L989-4 [2023-11-12 02:31:22,658 INFO L750 eck$LassoCheckResult]: Loop: 933#L989-4 call main_#t~mem42#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 934#L989-1 assume !!(main_#t~mem42#1 < 10);havoc main_#t~mem42#1;assume { :begin_inline_real_malloc } true;real_malloc_#in~n#1 := 40;havoc real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;real_malloc_~n#1 := real_malloc_#in~n#1;call real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset := #Ultimate.allocOnHeap(real_malloc_~n#1 % 4294967296);real_malloc_#res#1.base, real_malloc_#res#1.offset := real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; 927#real_malloc_returnLabel#1 main_#t~ret43#1.base, main_#t~ret43#1.offset := real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;havoc real_malloc_#in~n#1;assume { :end_inline_real_malloc } true;main_~user~0#1.base, main_~user~0#1.offset := main_#t~ret43#1.base, main_#t~ret43#1.offset;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset; 928#L991 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 935#L991-2 call main_#t~mem44#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem44#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem44#1;call main_#t~mem45#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem46#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem45#1 * main_#t~mem46#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem45#1;havoc main_#t~mem46#1; 1073#L996-263 havoc main_~_ha_hashv~0#1; 1162#L996-176 goto; 1163#L996-174 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; 998#L996-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 1271#L996-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch68#1 := 11 == main_~_hj_k~0#1; 1310#L996-73 assume !main_#t~switch68#1; 1231#L996-75 main_#t~switch68#1 := main_#t~switch68#1 || 10 == main_~_hj_k~0#1; 931#L996-76 assume main_#t~switch68#1;call main_#t~mem70#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~mem70#1 % 256 % 4294967296);havoc main_#t~mem70#1; 932#L996-78 main_#t~switch68#1 := main_#t~switch68#1 || 9 == main_~_hj_k~0#1; 1185#L996-79 assume main_#t~switch68#1;call main_#t~mem71#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~mem71#1 % 256 % 4294967296);havoc main_#t~mem71#1; 1124#L996-81 main_#t~switch68#1 := main_#t~switch68#1 || 8 == main_~_hj_k~0#1; 1125#L996-82 assume main_#t~switch68#1;call main_#t~mem72#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~mem72#1 % 256 % 4294967296);havoc main_#t~mem72#1; 1276#L996-84 main_#t~switch68#1 := main_#t~switch68#1 || 7 == main_~_hj_k~0#1; 975#L996-85 assume main_#t~switch68#1;call main_#t~mem73#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~mem73#1 % 256 % 4294967296);havoc main_#t~mem73#1; 976#L996-87 main_#t~switch68#1 := main_#t~switch68#1 || 6 == main_~_hj_k~0#1; 1277#L996-88 assume main_#t~switch68#1;call main_#t~mem74#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~mem74#1 % 256 % 4294967296);havoc main_#t~mem74#1; 1278#L996-90 main_#t~switch68#1 := main_#t~switch68#1 || 5 == main_~_hj_k~0#1; 1079#L996-91 assume main_#t~switch68#1;call main_#t~mem75#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~mem75#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem75#1 % 256 % 4294967296 else main_#t~mem75#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem75#1; 1080#L996-93 main_#t~switch68#1 := main_#t~switch68#1 || 4 == main_~_hj_k~0#1; 1197#L996-94 assume !main_#t~switch68#1; 1198#L996-96 main_#t~switch68#1 := main_#t~switch68#1 || 3 == main_~_hj_k~0#1; 1241#L996-97 assume main_#t~switch68#1;call main_#t~mem77#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~mem77#1 % 256 % 4294967296);havoc main_#t~mem77#1; 1242#L996-99 main_#t~switch68#1 := main_#t~switch68#1 || 2 == main_~_hj_k~0#1; 1086#L996-100 assume main_#t~switch68#1;call main_#t~mem78#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~mem78#1 % 256 % 4294967296);havoc main_#t~mem78#1; 1087#L996-102 main_#t~switch68#1 := main_#t~switch68#1 || 1 == main_~_hj_k~0#1; 1272#L996-103 assume main_#t~switch68#1;call main_#t~mem79#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~mem79#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem79#1 % 256 % 4294967296 else main_#t~mem79#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem79#1; 1077#L996-105 havoc main_#t~switch68#1; 1078#L996-171 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; 1021#L996-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet80#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 1023#L996-113 main_~_hj_i~0#1 := main_#t~nondet80#1;havoc main_#t~nondet80#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; 1046#L996-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet81#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 1047#L996-120 main_~_hj_j~0#1 := main_#t~nondet81#1;havoc main_#t~nondet81#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; 1303#L996-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet82#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 1122#L996-127 main_~_ha_hashv~0#1 := main_#t~nondet82#1;havoc main_#t~nondet82#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; 1175#L996-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet83#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 1176#L996-134 main_~_hj_i~0#1 := main_#t~nondet83#1;havoc main_#t~nondet83#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; 1294#L996-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet84#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 1184#L996-141 main_~_hj_j~0#1 := main_#t~nondet84#1;havoc main_#t~nondet84#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; 1301#L996-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet85#1 := main_~_hj_j~0#1 % 4294967296 / 32; 1167#L996-148 main_~_ha_hashv~0#1 := main_#t~nondet85#1;havoc main_#t~nondet85#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; 1107#L996-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet86#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 977#L996-155 main_~_hj_i~0#1 := main_#t~nondet86#1;havoc main_#t~nondet86#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; 978#L996-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet87#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 1157#L996-162 main_~_hj_j~0#1 := main_#t~nondet87#1;havoc main_#t~nondet87#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; 1330#L996-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet88#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 924#L996-169 main_~_ha_hashv~0#1 := main_#t~nondet88#1;havoc main_#t~nondet88#1; 1012#L996-170 goto; 1013#L996-172 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; 1280#L996-173 goto; 1227#L996-175 goto; 1150#L996-260 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); 1151#L996-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem104#1.base, main_#t~mem104#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem104#1.base, main_#t~mem104#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem104#1.base, main_#t~mem104#1.offset; 1189#L996-190 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem105#1.base, main_#t~mem105#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem106#1.base, main_#t~mem106#1.offset := read~$Pointer$(main_#t~mem105#1.base, 16 + main_#t~mem105#1.offset, 4);call main_#t~mem107#1.base, main_#t~mem107#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem108#1 := read~int(main_#t~mem107#1.base, 20 + main_#t~mem107#1.offset, 4);call write~$Pointer$(main_#t~mem106#1.base, main_#t~mem106#1.offset - main_#t~mem108#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem105#1.base, main_#t~mem105#1.offset;havoc main_#t~mem106#1.base, main_#t~mem106#1.offset;havoc main_#t~mem107#1.base, main_#t~mem107#1.offset;havoc main_#t~mem108#1;call main_#t~mem109#1.base, main_#t~mem109#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem110#1.base, main_#t~mem110#1.offset := read~$Pointer$(main_#t~mem109#1.base, 16 + main_#t~mem109#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem110#1.base, 8 + main_#t~mem110#1.offset, 4);havoc main_#t~mem109#1.base, main_#t~mem109#1.offset;havoc main_#t~mem110#1.base, main_#t~mem110#1.offset;call main_#t~mem111#1.base, main_#t~mem111#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~mem111#1.base, 16 + main_#t~mem111#1.offset, 4);havoc main_#t~mem111#1.base, main_#t~mem111#1.offset; 1190#L996-189 goto; 1032#L996-258 havoc main_~_ha_bkt~0#1;call main_#t~mem112#1.base, main_#t~mem112#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem113#1 := read~int(main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);main_#t~post114#1 := main_#t~mem113#1;call write~int(1 + main_#t~post114#1, main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);havoc main_#t~mem112#1.base, main_#t~mem112#1.offset;havoc main_#t~mem113#1;havoc main_#t~post114#1; 1099#L996-199 call main_#t~mem115#1.base, main_#t~mem115#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem116#1 := read~int(main_#t~mem115#1.base, 4 + main_#t~mem115#1.offset, 4); 1100#L996-193 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem116#1 - 1) % 4294967296;main_#t~nondet117#1 := 0; 1239#L996-197 main_~_ha_bkt~0#1 := main_#t~nondet117#1;havoc main_#t~mem115#1.base, main_#t~mem115#1.offset;havoc main_#t~mem116#1;havoc main_#t~nondet117#1; 1299#L996-198 goto; 1250#L996-255 call main_#t~mem118#1.base, main_#t~mem118#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem119#1.base, main_#t~mem119#1.offset := read~$Pointer$(main_#t~mem118#1.base, main_#t~mem118#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem119#1.base, main_#t~mem119#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~mem118#1.base, main_#t~mem118#1.offset;havoc main_#t~mem119#1.base, main_#t~mem119#1.offset;call main_#t~mem120#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post121#1 := main_#t~mem120#1;call write~int(1 + main_#t~post121#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem120#1;havoc main_#t~post121#1;call main_#t~mem122#1.base, main_#t~mem122#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem122#1.base, main_#t~mem122#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem122#1.base, main_#t~mem122#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem123#1.base, main_#t~mem123#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 1251#L996-201 assume !(main_#t~mem123#1.base != 0 || main_#t~mem123#1.offset != 0);havoc main_#t~mem123#1.base, main_#t~mem123#1.offset; 1006#L996-203 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~mem126#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem125#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short129#1 := main_#t~mem126#1 % 4294967296 >= 10 * (1 + main_#t~mem125#1) % 4294967296; 973#L996-204 assume main_#t~short129#1;call main_#t~mem127#1.base, main_#t~mem127#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem128#1 := read~int(main_#t~mem127#1.base, 36 + main_#t~mem127#1.offset, 4);main_#t~short129#1 := 0 == main_#t~mem128#1 % 4294967296; 974#L996-206 assume !main_#t~short129#1;havoc main_#t~mem126#1;havoc main_#t~mem125#1;havoc main_#t~mem127#1.base, main_#t~mem127#1.offset;havoc main_#t~mem128#1;havoc main_#t~short129#1; 1319#L996-253 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 1335#L996-254 goto; 1344#L996-256 havoc main_~_ha_bkt~0#1; 1256#L996-257 goto; 1220#L996-259 goto; 954#L996-261 havoc main_~_ha_hashv~0#1; 955#L996-262 goto; 1287#L989-3 call main_#t~mem40#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post41#1 := main_#t~mem40#1;call write~int(1 + main_#t~post41#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem40#1;havoc main_#t~post41#1; 933#L989-4 [2023-11-12 02:31:22,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:22,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2023-11-12 02:31:22,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:22,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774524311] [2023-11-12 02:31:22,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:22,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:22,682 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:31:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:22,708 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:31:22,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:22,709 INFO L85 PathProgramCache]: Analyzing trace with hash -580354166, now seen corresponding path program 1 times [2023-11-12 02:31:22,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:22,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497284145] [2023-11-12 02:31:22,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:22,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:22,775 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:31:22,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1156136212] [2023-11-12 02:31:22,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:22,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:31:22,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:31:22,803 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:31:22,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:31:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:23,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:31:23,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:31:23,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:23,284 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:31:23,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:31:23,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497284145] [2023-11-12 02:31:23,285 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:31:23,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156136212] [2023-11-12 02:31:23,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156136212] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:23,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:23,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:31:23,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733040462] [2023-11-12 02:31:23,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:23,287 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:31:23,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:31:23,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:31:23,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:31:23,288 INFO L87 Difference]: Start difference. First operand 422 states and 611 transitions. cyclomatic complexity: 193 Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 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) [2023-11-12 02:31:23,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:23,450 INFO L93 Difference]: Finished difference Result 443 states and 632 transitions. [2023-11-12 02:31:23,450 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 443 states and 632 transitions. [2023-11-12 02:31:23,457 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 425 [2023-11-12 02:31:23,463 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 443 states to 443 states and 632 transitions. [2023-11-12 02:31:23,464 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 443 [2023-11-12 02:31:23,466 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 443 [2023-11-12 02:31:23,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 443 states and 632 transitions. [2023-11-12 02:31:23,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:31:23,474 INFO L218 hiAutomatonCegarLoop]: Abstraction has 443 states and 632 transitions. [2023-11-12 02:31:23,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states and 632 transitions. [2023-11-12 02:31:23,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 442. [2023-11-12 02:31:23,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 438 states have (on average 1.4269406392694064) internal successors, (625), 437 states have internal predecessors, (625), 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) [2023-11-12 02:31:23,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 631 transitions. [2023-11-12 02:31:23,512 INFO L240 hiAutomatonCegarLoop]: Abstraction has 442 states and 631 transitions. [2023-11-12 02:31:23,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:31:23,514 INFO L428 stractBuchiCegarLoop]: Abstraction has 442 states and 631 transitions. [2023-11-12 02:31:23,514 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-12 02:31:23,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 442 states and 631 transitions. [2023-11-12 02:31:23,518 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 424 [2023-11-12 02:31:23,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:31:23,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:31:23,522 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:31:23,522 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] [2023-11-12 02:31:23,523 INFO L748 eck$LassoCheckResult]: Stem: 2236#$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);~#alt_malloc_sizes~0.base, ~#alt_malloc_sizes~0.offset := 3, 0;call #Ultimate.allocInit(40, 3);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#alt_malloc_sizes~0.base);~alt_malloc_balance~0 := 0;~alt_memcmp_count~0 := 0;~alt_bzero_count~0 := 0; 2237#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset, main_#t~mem44#1, main_#t~mem45#1, main_#t~mem46#1, main_#t~mem48#1, main_#t~mem47#1, main_#t~mem49#1, main_#t~mem50#1, main_#t~mem52#1, main_#t~mem51#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem56#1, main_#t~mem55#1, main_#t~mem57#1, main_#t~mem58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~switch68#1, main_#t~mem69#1, main_#t~mem70#1, main_#t~mem71#1, main_#t~mem72#1, main_#t~mem73#1, main_#t~mem74#1, main_#t~mem75#1, main_#t~mem76#1, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_#t~nondet84#1, main_#t~nondet85#1, main_#t~nondet86#1, main_#t~nondet87#1, main_#t~nondet88#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~ret89#1.base, main_#t~ret89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~ret97#1.base, main_#t~ret97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1, main_#t~nondet117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~post121#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem126#1, main_#t~mem125#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~short129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ret132#1.base, main_#t~ret132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~nondet142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem146#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~nondet147#1, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem158#1, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~nondet159#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~pre162#1, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1, main_#t~post167#1, main_#t~mem171#1, main_#t~mem169#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem170#1, main_#t~mem172#1, main_#t~post173#1, 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~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1, 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, main_#t~post185#1, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, 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~ite195#1, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1, main_#t~mem198#1.base, main_#t~mem198#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~mem40#1, main_#t~post41#1, main_#t~mem42#1, main_#t~mem203#1, main_#t~mem202#1, main_#t~mem204#1, main_#t~mem205#1, main_#t~mem207#1, main_#t~mem206#1, main_#t~mem208#1, main_#t~mem209#1, main_#t~mem211#1, main_#t~mem210#1, main_#t~mem212#1, main_#t~mem213#1, main_#t~nondet214#1, main_#t~nondet215#1, main_#t~nondet216#1, main_#t~nondet217#1, main_#t~nondet218#1, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~nondet221#1, main_#t~nondet222#1, main_#t~switch223#1, main_#t~mem224#1, main_#t~mem225#1, main_#t~mem226#1, main_#t~mem227#1, main_#t~mem228#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem233#1, main_#t~mem234#1, main_#t~nondet235#1, main_#t~nondet236#1, main_#t~nondet237#1, main_#t~nondet238#1, main_#t~nondet239#1, main_#t~nondet240#1, main_#t~nondet241#1, main_#t~nondet242#1, main_#t~nondet243#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1, main_#t~nondet246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1, main_#t~mem255#1, main_#t~mem256#1, main_#t~short257#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~ret259#1, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~short266#1, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~mem277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1.base, main_#t~mem286#1.offset, main_#t~mem287#1, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem291#1, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~nondet292#1, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1, main_#t~post296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1.base, main_#t~mem299#1.offset, main_#t~mem300#1.base, main_#t~mem300#1.offset, main_#t~mem301#1.base, main_#t~mem301#1.offset, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1.base, main_#t~mem304#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem305#1.base, main_#t~mem305#1.offset, main_#t~mem306#1, main_#t~post307#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem199#1, main_#t~post200#1, main_#t~mem201#1, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~ite310#1.base, main_#t~ite310#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~short315#1, main_#t~mem316#1.base, main_#t~mem316#1.offset, main_#t~mem317#1.base, main_#t~mem317#1.offset, main_#t~mem318#1.base, main_#t~mem318#1.offset, main_#t~mem319#1, main_#t~mem320#1.base, main_#t~mem320#1.offset, main_#t~mem321#1.base, main_#t~mem321#1.offset, main_#t~mem322#1.base, main_#t~mem322#1.offset, main_#t~mem323#1.base, main_#t~mem323#1.offset, main_#t~mem324#1.base, main_#t~mem324#1.offset, main_#t~mem325#1.base, main_#t~mem325#1.offset, main_#t~mem326#1, main_#t~mem327#1.base, main_#t~mem327#1.offset, main_#t~mem328#1.base, main_#t~mem328#1.offset, main_#t~mem329#1.base, main_#t~mem329#1.offset, main_#t~mem330#1, main_#t~mem331#1.base, main_#t~mem331#1.offset, main_#t~mem332#1.base, main_#t~mem332#1.offset, main_#t~mem333#1.base, main_#t~mem333#1.offset, main_#t~mem334#1.base, main_#t~mem334#1.offset, main_#t~mem335#1.base, main_#t~mem335#1.offset, main_#t~mem336#1, main_#t~mem337#1.base, main_#t~mem337#1.offset, main_#t~mem340#1, main_#t~mem338#1.base, main_#t~mem338#1.offset, main_#t~mem339#1, main_#t~nondet341#1, main_#t~mem342#1.base, main_#t~mem342#1.offset, main_#t~mem343#1.base, main_#t~mem343#1.offset, main_#t~mem344#1, main_#t~post345#1, main_#t~mem346#1.base, main_#t~mem346#1.offset, main_#t~mem347#1.base, main_#t~mem347#1.offset, main_#t~mem348#1.base, main_#t~mem348#1.offset, main_#t~mem349#1.base, main_#t~mem349#1.offset, main_#t~mem350#1.base, main_#t~mem350#1.offset, main_#t~mem351#1.base, main_#t~mem351#1.offset, main_#t~mem352#1.base, main_#t~mem352#1.offset, main_#t~mem353#1.base, main_#t~mem353#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem354#1.base, main_#t~mem354#1.offset, main_#t~mem355#1, main_#t~post356#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite312#1.base, main_#t~ite312#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 2032#L989-4 [2023-11-12 02:31:23,523 INFO L750 eck$LassoCheckResult]: Loop: 2032#L989-4 call main_#t~mem42#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 2033#L989-1 assume !!(main_#t~mem42#1 < 10);havoc main_#t~mem42#1;assume { :begin_inline_real_malloc } true;real_malloc_#in~n#1 := 40;havoc real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;real_malloc_~n#1 := real_malloc_#in~n#1;call real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset := #Ultimate.allocOnHeap(real_malloc_~n#1 % 4294967296);real_malloc_#res#1.base, real_malloc_#res#1.offset := real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; 2026#real_malloc_returnLabel#1 main_#t~ret43#1.base, main_#t~ret43#1.offset := real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;havoc real_malloc_#in~n#1;assume { :end_inline_real_malloc } true;main_~user~0#1.base, main_~user~0#1.offset := main_#t~ret43#1.base, main_#t~ret43#1.offset;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset; 2027#L991 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 2034#L991-2 call main_#t~mem44#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem44#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem44#1;call main_#t~mem45#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem46#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem45#1 * main_#t~mem46#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem45#1;havoc main_#t~mem46#1; 2172#L996-263 havoc main_~_ha_hashv~0#1; 2261#L996-176 goto; 2262#L996-174 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; 2097#L996-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 2371#L996-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch68#1 := 11 == main_~_hj_k~0#1; 2416#L996-73 assume main_#t~switch68#1;call main_#t~mem69#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~mem69#1 % 256 % 4294967296);havoc main_#t~mem69#1; 2417#L996-75 main_#t~switch68#1 := main_#t~switch68#1 || 10 == main_~_hj_k~0#1; 2030#L996-76 assume main_#t~switch68#1;call main_#t~mem70#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~mem70#1 % 256 % 4294967296);havoc main_#t~mem70#1; 2031#L996-78 main_#t~switch68#1 := main_#t~switch68#1 || 9 == main_~_hj_k~0#1; 2284#L996-79 assume main_#t~switch68#1;call main_#t~mem71#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~mem71#1 % 256 % 4294967296);havoc main_#t~mem71#1; 2223#L996-81 main_#t~switch68#1 := main_#t~switch68#1 || 8 == main_~_hj_k~0#1; 2224#L996-82 assume main_#t~switch68#1;call main_#t~mem72#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~mem72#1 % 256 % 4294967296);havoc main_#t~mem72#1; 2383#L996-84 main_#t~switch68#1 := main_#t~switch68#1 || 7 == main_~_hj_k~0#1; 2074#L996-85 assume main_#t~switch68#1;call main_#t~mem73#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~mem73#1 % 256 % 4294967296);havoc main_#t~mem73#1; 2075#L996-87 main_#t~switch68#1 := main_#t~switch68#1 || 6 == main_~_hj_k~0#1; 2378#L996-88 assume main_#t~switch68#1;call main_#t~mem74#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~mem74#1 % 256 % 4294967296);havoc main_#t~mem74#1; 2379#L996-90 main_#t~switch68#1 := main_#t~switch68#1 || 5 == main_~_hj_k~0#1; 2178#L996-91 assume main_#t~switch68#1;call main_#t~mem75#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~mem75#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem75#1 % 256 % 4294967296 else main_#t~mem75#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem75#1; 2179#L996-93 main_#t~switch68#1 := main_#t~switch68#1 || 4 == main_~_hj_k~0#1; 2296#L996-94 assume main_#t~switch68#1;call main_#t~mem76#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~mem76#1 % 256 % 4294967296);havoc main_#t~mem76#1; 2297#L996-96 main_#t~switch68#1 := main_#t~switch68#1 || 3 == main_~_hj_k~0#1; 2341#L996-97 assume main_#t~switch68#1;call main_#t~mem77#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~mem77#1 % 256 % 4294967296);havoc main_#t~mem77#1; 2342#L996-99 main_#t~switch68#1 := main_#t~switch68#1 || 2 == main_~_hj_k~0#1; 2185#L996-100 assume main_#t~switch68#1;call main_#t~mem78#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~mem78#1 % 256 % 4294967296);havoc main_#t~mem78#1; 2186#L996-102 main_#t~switch68#1 := main_#t~switch68#1 || 1 == main_~_hj_k~0#1; 2372#L996-103 assume main_#t~switch68#1;call main_#t~mem79#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~mem79#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem79#1 % 256 % 4294967296 else main_#t~mem79#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem79#1; 2176#L996-105 havoc main_#t~switch68#1; 2177#L996-171 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; 2120#L996-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet80#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 2122#L996-113 main_~_hj_i~0#1 := main_#t~nondet80#1;havoc main_#t~nondet80#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; 2145#L996-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet81#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 2146#L996-120 main_~_hj_j~0#1 := main_#t~nondet81#1;havoc main_#t~nondet81#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; 2407#L996-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet82#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 2221#L996-127 main_~_ha_hashv~0#1 := main_#t~nondet82#1;havoc main_#t~nondet82#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; 2274#L996-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet83#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 2275#L996-134 main_~_hj_i~0#1 := main_#t~nondet83#1;havoc main_#t~nondet83#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; 2398#L996-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet84#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 2283#L996-141 main_~_hj_j~0#1 := main_#t~nondet84#1;havoc main_#t~nondet84#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; 2405#L996-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet85#1 := main_~_hj_j~0#1 % 4294967296 / 32; 2266#L996-148 main_~_ha_hashv~0#1 := main_#t~nondet85#1;havoc main_#t~nondet85#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; 2206#L996-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet86#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 2076#L996-155 main_~_hj_i~0#1 := main_#t~nondet86#1;havoc main_#t~nondet86#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; 2077#L996-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet87#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 2256#L996-162 main_~_hj_j~0#1 := main_#t~nondet87#1;havoc main_#t~nondet87#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; 2437#L996-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet88#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 2023#L996-169 main_~_ha_hashv~0#1 := main_#t~nondet88#1;havoc main_#t~nondet88#1; 2111#L996-170 goto; 2112#L996-172 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; 2381#L996-173 goto; 2326#L996-175 goto; 2249#L996-260 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); 2250#L996-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem104#1.base, main_#t~mem104#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem104#1.base, main_#t~mem104#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem104#1.base, main_#t~mem104#1.offset; 2288#L996-190 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem105#1.base, main_#t~mem105#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem106#1.base, main_#t~mem106#1.offset := read~$Pointer$(main_#t~mem105#1.base, 16 + main_#t~mem105#1.offset, 4);call main_#t~mem107#1.base, main_#t~mem107#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem108#1 := read~int(main_#t~mem107#1.base, 20 + main_#t~mem107#1.offset, 4);call write~$Pointer$(main_#t~mem106#1.base, main_#t~mem106#1.offset - main_#t~mem108#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem105#1.base, main_#t~mem105#1.offset;havoc main_#t~mem106#1.base, main_#t~mem106#1.offset;havoc main_#t~mem107#1.base, main_#t~mem107#1.offset;havoc main_#t~mem108#1;call main_#t~mem109#1.base, main_#t~mem109#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem110#1.base, main_#t~mem110#1.offset := read~$Pointer$(main_#t~mem109#1.base, 16 + main_#t~mem109#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem110#1.base, 8 + main_#t~mem110#1.offset, 4);havoc main_#t~mem109#1.base, main_#t~mem109#1.offset;havoc main_#t~mem110#1.base, main_#t~mem110#1.offset;call main_#t~mem111#1.base, main_#t~mem111#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~mem111#1.base, 16 + main_#t~mem111#1.offset, 4);havoc main_#t~mem111#1.base, main_#t~mem111#1.offset; 2289#L996-189 goto; 2131#L996-258 havoc main_~_ha_bkt~0#1;call main_#t~mem112#1.base, main_#t~mem112#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem113#1 := read~int(main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);main_#t~post114#1 := main_#t~mem113#1;call write~int(1 + main_#t~post114#1, main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);havoc main_#t~mem112#1.base, main_#t~mem112#1.offset;havoc main_#t~mem113#1;havoc main_#t~post114#1; 2198#L996-199 call main_#t~mem115#1.base, main_#t~mem115#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem116#1 := read~int(main_#t~mem115#1.base, 4 + main_#t~mem115#1.offset, 4); 2199#L996-193 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem116#1 - 1) % 4294967296;main_#t~nondet117#1 := 0; 2339#L996-197 main_~_ha_bkt~0#1 := main_#t~nondet117#1;havoc main_#t~mem115#1.base, main_#t~mem115#1.offset;havoc main_#t~mem116#1;havoc main_#t~nondet117#1; 2403#L996-198 goto; 2350#L996-255 call main_#t~mem118#1.base, main_#t~mem118#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem119#1.base, main_#t~mem119#1.offset := read~$Pointer$(main_#t~mem118#1.base, main_#t~mem118#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem119#1.base, main_#t~mem119#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~mem118#1.base, main_#t~mem118#1.offset;havoc main_#t~mem119#1.base, main_#t~mem119#1.offset;call main_#t~mem120#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post121#1 := main_#t~mem120#1;call write~int(1 + main_#t~post121#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem120#1;havoc main_#t~post121#1;call main_#t~mem122#1.base, main_#t~mem122#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem122#1.base, main_#t~mem122#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem122#1.base, main_#t~mem122#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem123#1.base, main_#t~mem123#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 2351#L996-201 assume !(main_#t~mem123#1.base != 0 || main_#t~mem123#1.offset != 0);havoc main_#t~mem123#1.base, main_#t~mem123#1.offset; 2105#L996-203 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~mem126#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem125#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short129#1 := main_#t~mem126#1 % 4294967296 >= 10 * (1 + main_#t~mem125#1) % 4294967296; 2072#L996-204 assume main_#t~short129#1;call main_#t~mem127#1.base, main_#t~mem127#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem128#1 := read~int(main_#t~mem127#1.base, 36 + main_#t~mem127#1.offset, 4);main_#t~short129#1 := 0 == main_#t~mem128#1 % 4294967296; 2073#L996-206 assume !main_#t~short129#1;havoc main_#t~mem126#1;havoc main_#t~mem125#1;havoc main_#t~mem127#1.base, main_#t~mem127#1.offset;havoc main_#t~mem128#1;havoc main_#t~short129#1; 2426#L996-253 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 2444#L996-254 goto; 2453#L996-256 havoc main_~_ha_bkt~0#1; 2356#L996-257 goto; 2319#L996-259 goto; 2053#L996-261 havoc main_~_ha_hashv~0#1; 2054#L996-262 goto; 2389#L989-3 call main_#t~mem40#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post41#1 := main_#t~mem40#1;call write~int(1 + main_#t~post41#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem40#1;havoc main_#t~post41#1; 2032#L989-4 [2023-11-12 02:31:23,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:23,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 3 times [2023-11-12 02:31:23,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:23,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417555113] [2023-11-12 02:31:23,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:23,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:23,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:31:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:23,625 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:31:23,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:23,626 INFO L85 PathProgramCache]: Analyzing trace with hash 191898886, now seen corresponding path program 1 times [2023-11-12 02:31:23,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:23,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023628499] [2023-11-12 02:31:23,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:23,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:23,719 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:31:23,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1476722655] [2023-11-12 02:31:23,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:23,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:31:23,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:31:23,729 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:31:23,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:31:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:24,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:31:24,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:31:24,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:24,183 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:31:24,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:31:24,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023628499] [2023-11-12 02:31:24,184 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:31:24,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476722655] [2023-11-12 02:31:24,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476722655] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:24,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:24,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:31:24,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255099989] [2023-11-12 02:31:24,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:24,186 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:31:24,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:31:24,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:31:24,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:31:24,187 INFO L87 Difference]: Start difference. First operand 442 states and 631 transitions. cyclomatic complexity: 193 Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 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) [2023-11-12 02:31:24,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:24,326 INFO L93 Difference]: Finished difference Result 429 states and 611 transitions. [2023-11-12 02:31:24,326 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 429 states and 611 transitions. [2023-11-12 02:31:24,331 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 411 [2023-11-12 02:31:24,338 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 429 states to 429 states and 611 transitions. [2023-11-12 02:31:24,338 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 429 [2023-11-12 02:31:24,339 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 429 [2023-11-12 02:31:24,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 429 states and 611 transitions. [2023-11-12 02:31:24,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:31:24,341 INFO L218 hiAutomatonCegarLoop]: Abstraction has 429 states and 611 transitions. [2023-11-12 02:31:24,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states and 611 transitions. [2023-11-12 02:31:24,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 428. [2023-11-12 02:31:24,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 424 states have (on average 1.4245283018867925) internal successors, (604), 423 states have internal predecessors, (604), 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) [2023-11-12 02:31:24,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 610 transitions. [2023-11-12 02:31:24,369 INFO L240 hiAutomatonCegarLoop]: Abstraction has 428 states and 610 transitions. [2023-11-12 02:31:24,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:31:24,373 INFO L428 stractBuchiCegarLoop]: Abstraction has 428 states and 610 transitions. [2023-11-12 02:31:24,374 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-12 02:31:24,374 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 428 states and 610 transitions. [2023-11-12 02:31:24,377 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 410 [2023-11-12 02:31:24,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:31:24,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:31:24,380 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:31:24,380 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] [2023-11-12 02:31:24,380 INFO L748 eck$LassoCheckResult]: Stem: 3344#$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);~#alt_malloc_sizes~0.base, ~#alt_malloc_sizes~0.offset := 3, 0;call #Ultimate.allocInit(40, 3);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#alt_malloc_sizes~0.base);~alt_malloc_balance~0 := 0;~alt_memcmp_count~0 := 0;~alt_bzero_count~0 := 0; 3345#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset, main_#t~mem44#1, main_#t~mem45#1, main_#t~mem46#1, main_#t~mem48#1, main_#t~mem47#1, main_#t~mem49#1, main_#t~mem50#1, main_#t~mem52#1, main_#t~mem51#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem56#1, main_#t~mem55#1, main_#t~mem57#1, main_#t~mem58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~switch68#1, main_#t~mem69#1, main_#t~mem70#1, main_#t~mem71#1, main_#t~mem72#1, main_#t~mem73#1, main_#t~mem74#1, main_#t~mem75#1, main_#t~mem76#1, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_#t~nondet84#1, main_#t~nondet85#1, main_#t~nondet86#1, main_#t~nondet87#1, main_#t~nondet88#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~ret89#1.base, main_#t~ret89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~ret97#1.base, main_#t~ret97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1, main_#t~nondet117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~post121#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem126#1, main_#t~mem125#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~short129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ret132#1.base, main_#t~ret132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~nondet142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem146#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~nondet147#1, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem158#1, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~nondet159#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~pre162#1, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1, main_#t~post167#1, main_#t~mem171#1, main_#t~mem169#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem170#1, main_#t~mem172#1, main_#t~post173#1, 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~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1, 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, main_#t~post185#1, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, 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~ite195#1, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1, main_#t~mem198#1.base, main_#t~mem198#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~mem40#1, main_#t~post41#1, main_#t~mem42#1, main_#t~mem203#1, main_#t~mem202#1, main_#t~mem204#1, main_#t~mem205#1, main_#t~mem207#1, main_#t~mem206#1, main_#t~mem208#1, main_#t~mem209#1, main_#t~mem211#1, main_#t~mem210#1, main_#t~mem212#1, main_#t~mem213#1, main_#t~nondet214#1, main_#t~nondet215#1, main_#t~nondet216#1, main_#t~nondet217#1, main_#t~nondet218#1, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~nondet221#1, main_#t~nondet222#1, main_#t~switch223#1, main_#t~mem224#1, main_#t~mem225#1, main_#t~mem226#1, main_#t~mem227#1, main_#t~mem228#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem233#1, main_#t~mem234#1, main_#t~nondet235#1, main_#t~nondet236#1, main_#t~nondet237#1, main_#t~nondet238#1, main_#t~nondet239#1, main_#t~nondet240#1, main_#t~nondet241#1, main_#t~nondet242#1, main_#t~nondet243#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1, main_#t~nondet246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1, main_#t~mem255#1, main_#t~mem256#1, main_#t~short257#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~ret259#1, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~short266#1, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~mem277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1.base, main_#t~mem286#1.offset, main_#t~mem287#1, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem291#1, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~nondet292#1, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1, main_#t~post296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1.base, main_#t~mem299#1.offset, main_#t~mem300#1.base, main_#t~mem300#1.offset, main_#t~mem301#1.base, main_#t~mem301#1.offset, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1.base, main_#t~mem304#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem305#1.base, main_#t~mem305#1.offset, main_#t~mem306#1, main_#t~post307#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem199#1, main_#t~post200#1, main_#t~mem201#1, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~ite310#1.base, main_#t~ite310#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~short315#1, main_#t~mem316#1.base, main_#t~mem316#1.offset, main_#t~mem317#1.base, main_#t~mem317#1.offset, main_#t~mem318#1.base, main_#t~mem318#1.offset, main_#t~mem319#1, main_#t~mem320#1.base, main_#t~mem320#1.offset, main_#t~mem321#1.base, main_#t~mem321#1.offset, main_#t~mem322#1.base, main_#t~mem322#1.offset, main_#t~mem323#1.base, main_#t~mem323#1.offset, main_#t~mem324#1.base, main_#t~mem324#1.offset, main_#t~mem325#1.base, main_#t~mem325#1.offset, main_#t~mem326#1, main_#t~mem327#1.base, main_#t~mem327#1.offset, main_#t~mem328#1.base, main_#t~mem328#1.offset, main_#t~mem329#1.base, main_#t~mem329#1.offset, main_#t~mem330#1, main_#t~mem331#1.base, main_#t~mem331#1.offset, main_#t~mem332#1.base, main_#t~mem332#1.offset, main_#t~mem333#1.base, main_#t~mem333#1.offset, main_#t~mem334#1.base, main_#t~mem334#1.offset, main_#t~mem335#1.base, main_#t~mem335#1.offset, main_#t~mem336#1, main_#t~mem337#1.base, main_#t~mem337#1.offset, main_#t~mem340#1, main_#t~mem338#1.base, main_#t~mem338#1.offset, main_#t~mem339#1, main_#t~nondet341#1, main_#t~mem342#1.base, main_#t~mem342#1.offset, main_#t~mem343#1.base, main_#t~mem343#1.offset, main_#t~mem344#1, main_#t~post345#1, main_#t~mem346#1.base, main_#t~mem346#1.offset, main_#t~mem347#1.base, main_#t~mem347#1.offset, main_#t~mem348#1.base, main_#t~mem348#1.offset, main_#t~mem349#1.base, main_#t~mem349#1.offset, main_#t~mem350#1.base, main_#t~mem350#1.offset, main_#t~mem351#1.base, main_#t~mem351#1.offset, main_#t~mem352#1.base, main_#t~mem352#1.offset, main_#t~mem353#1.base, main_#t~mem353#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem354#1.base, main_#t~mem354#1.offset, main_#t~mem355#1, main_#t~post356#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite312#1.base, main_#t~ite312#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 3140#L989-4 [2023-11-12 02:31:24,382 INFO L750 eck$LassoCheckResult]: Loop: 3140#L989-4 call main_#t~mem42#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 3141#L989-1 assume !!(main_#t~mem42#1 < 10);havoc main_#t~mem42#1;assume { :begin_inline_real_malloc } true;real_malloc_#in~n#1 := 40;havoc real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;real_malloc_~n#1 := real_malloc_#in~n#1;call real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset := #Ultimate.allocOnHeap(real_malloc_~n#1 % 4294967296);real_malloc_#res#1.base, real_malloc_#res#1.offset := real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; 3134#real_malloc_returnLabel#1 main_#t~ret43#1.base, main_#t~ret43#1.offset := real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;havoc real_malloc_#in~n#1;assume { :end_inline_real_malloc } true;main_~user~0#1.base, main_~user~0#1.offset := main_#t~ret43#1.base, main_#t~ret43#1.offset;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset; 3135#L991 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 3142#L991-2 call main_#t~mem44#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem44#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem44#1;call main_#t~mem45#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem46#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem45#1 * main_#t~mem46#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem45#1;havoc main_#t~mem46#1; 3280#L996-263 havoc main_~_ha_hashv~0#1; 3369#L996-176 goto; 3370#L996-174 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; 3205#L996-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 3479#L996-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch68#1 := 11 == main_~_hj_k~0#1; 3518#L996-73 assume !main_#t~switch68#1; 3439#L996-75 main_#t~switch68#1 := main_#t~switch68#1 || 10 == main_~_hj_k~0#1; 3138#L996-76 assume !main_#t~switch68#1; 3139#L996-78 main_#t~switch68#1 := main_#t~switch68#1 || 9 == main_~_hj_k~0#1; 3392#L996-79 assume !main_#t~switch68#1; 3331#L996-81 main_#t~switch68#1 := main_#t~switch68#1 || 8 == main_~_hj_k~0#1; 3332#L996-82 assume !main_#t~switch68#1; 3484#L996-84 main_#t~switch68#1 := main_#t~switch68#1 || 7 == main_~_hj_k~0#1; 3182#L996-85 assume !main_#t~switch68#1; 3183#L996-87 main_#t~switch68#1 := main_#t~switch68#1 || 6 == main_~_hj_k~0#1; 3485#L996-88 assume !main_#t~switch68#1; 3486#L996-90 main_#t~switch68#1 := main_#t~switch68#1 || 5 == main_~_hj_k~0#1; 3286#L996-91 assume !main_#t~switch68#1; 3287#L996-93 main_#t~switch68#1 := main_#t~switch68#1 || 4 == main_~_hj_k~0#1; 3404#L996-94 assume !main_#t~switch68#1; 3405#L996-96 main_#t~switch68#1 := main_#t~switch68#1 || 3 == main_~_hj_k~0#1; 3557#L996-97 assume !main_#t~switch68#1; 3556#L996-99 main_#t~switch68#1 := main_#t~switch68#1 || 2 == main_~_hj_k~0#1; 3555#L996-100 assume !main_#t~switch68#1; 3554#L996-102 main_#t~switch68#1 := main_#t~switch68#1 || 1 == main_~_hj_k~0#1; 3553#L996-103 assume main_#t~switch68#1;call main_#t~mem79#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~mem79#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem79#1 % 256 % 4294967296 else main_#t~mem79#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem79#1; 3284#L996-105 havoc main_#t~switch68#1; 3285#L996-171 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; 3228#L996-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet80#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 3230#L996-113 main_~_hj_i~0#1 := main_#t~nondet80#1;havoc main_#t~nondet80#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; 3253#L996-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet81#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 3254#L996-120 main_~_hj_j~0#1 := main_#t~nondet81#1;havoc main_#t~nondet81#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; 3511#L996-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet82#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 3329#L996-127 main_~_ha_hashv~0#1 := main_#t~nondet82#1;havoc main_#t~nondet82#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; 3382#L996-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet83#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 3383#L996-134 main_~_hj_i~0#1 := main_#t~nondet83#1;havoc main_#t~nondet83#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; 3502#L996-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet84#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 3391#L996-141 main_~_hj_j~0#1 := main_#t~nondet84#1;havoc main_#t~nondet84#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; 3509#L996-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet85#1 := main_~_hj_j~0#1 % 4294967296 / 32; 3374#L996-148 main_~_ha_hashv~0#1 := main_#t~nondet85#1;havoc main_#t~nondet85#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; 3314#L996-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet86#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 3184#L996-155 main_~_hj_i~0#1 := main_#t~nondet86#1;havoc main_#t~nondet86#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; 3185#L996-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet87#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 3364#L996-162 main_~_hj_j~0#1 := main_#t~nondet87#1;havoc main_#t~nondet87#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; 3538#L996-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet88#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 3131#L996-169 main_~_ha_hashv~0#1 := main_#t~nondet88#1;havoc main_#t~nondet88#1; 3219#L996-170 goto; 3220#L996-172 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; 3488#L996-173 goto; 3435#L996-175 goto; 3357#L996-260 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); 3358#L996-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem104#1.base, main_#t~mem104#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem104#1.base, main_#t~mem104#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem104#1.base, main_#t~mem104#1.offset; 3396#L996-190 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem105#1.base, main_#t~mem105#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem106#1.base, main_#t~mem106#1.offset := read~$Pointer$(main_#t~mem105#1.base, 16 + main_#t~mem105#1.offset, 4);call main_#t~mem107#1.base, main_#t~mem107#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem108#1 := read~int(main_#t~mem107#1.base, 20 + main_#t~mem107#1.offset, 4);call write~$Pointer$(main_#t~mem106#1.base, main_#t~mem106#1.offset - main_#t~mem108#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem105#1.base, main_#t~mem105#1.offset;havoc main_#t~mem106#1.base, main_#t~mem106#1.offset;havoc main_#t~mem107#1.base, main_#t~mem107#1.offset;havoc main_#t~mem108#1;call main_#t~mem109#1.base, main_#t~mem109#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem110#1.base, main_#t~mem110#1.offset := read~$Pointer$(main_#t~mem109#1.base, 16 + main_#t~mem109#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem110#1.base, 8 + main_#t~mem110#1.offset, 4);havoc main_#t~mem109#1.base, main_#t~mem109#1.offset;havoc main_#t~mem110#1.base, main_#t~mem110#1.offset;call main_#t~mem111#1.base, main_#t~mem111#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~mem111#1.base, 16 + main_#t~mem111#1.offset, 4);havoc main_#t~mem111#1.base, main_#t~mem111#1.offset; 3397#L996-189 goto; 3237#L996-258 havoc main_~_ha_bkt~0#1;call main_#t~mem112#1.base, main_#t~mem112#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem113#1 := read~int(main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);main_#t~post114#1 := main_#t~mem113#1;call write~int(1 + main_#t~post114#1, main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);havoc main_#t~mem112#1.base, main_#t~mem112#1.offset;havoc main_#t~mem113#1;havoc main_#t~post114#1; 3306#L996-199 call main_#t~mem115#1.base, main_#t~mem115#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem116#1 := read~int(main_#t~mem115#1.base, 4 + main_#t~mem115#1.offset, 4); 3307#L996-193 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem116#1 - 1) % 4294967296;main_#t~nondet117#1 := 0; 3447#L996-197 main_~_ha_bkt~0#1 := main_#t~nondet117#1;havoc main_#t~mem115#1.base, main_#t~mem115#1.offset;havoc main_#t~mem116#1;havoc main_#t~nondet117#1; 3507#L996-198 goto; 3458#L996-255 call main_#t~mem118#1.base, main_#t~mem118#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem119#1.base, main_#t~mem119#1.offset := read~$Pointer$(main_#t~mem118#1.base, main_#t~mem118#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem119#1.base, main_#t~mem119#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~mem118#1.base, main_#t~mem118#1.offset;havoc main_#t~mem119#1.base, main_#t~mem119#1.offset;call main_#t~mem120#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post121#1 := main_#t~mem120#1;call write~int(1 + main_#t~post121#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem120#1;havoc main_#t~post121#1;call main_#t~mem122#1.base, main_#t~mem122#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem122#1.base, main_#t~mem122#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem122#1.base, main_#t~mem122#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem123#1.base, main_#t~mem123#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 3459#L996-201 assume !(main_#t~mem123#1.base != 0 || main_#t~mem123#1.offset != 0);havoc main_#t~mem123#1.base, main_#t~mem123#1.offset; 3213#L996-203 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~mem126#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem125#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short129#1 := main_#t~mem126#1 % 4294967296 >= 10 * (1 + main_#t~mem125#1) % 4294967296; 3180#L996-204 assume main_#t~short129#1;call main_#t~mem127#1.base, main_#t~mem127#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem128#1 := read~int(main_#t~mem127#1.base, 36 + main_#t~mem127#1.offset, 4);main_#t~short129#1 := 0 == main_#t~mem128#1 % 4294967296; 3181#L996-206 assume !main_#t~short129#1;havoc main_#t~mem126#1;havoc main_#t~mem125#1;havoc main_#t~mem127#1.base, main_#t~mem127#1.offset;havoc main_#t~mem128#1;havoc main_#t~short129#1; 3527#L996-253 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 3543#L996-254 goto; 3552#L996-256 havoc main_~_ha_bkt~0#1; 3464#L996-257 goto; 3424#L996-259 goto; 3161#L996-261 havoc main_~_ha_hashv~0#1; 3162#L996-262 goto; 3494#L989-3 call main_#t~mem40#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post41#1 := main_#t~mem40#1;call write~int(1 + main_#t~post41#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem40#1;havoc main_#t~post41#1; 3140#L989-4 [2023-11-12 02:31:24,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:24,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 4 times [2023-11-12 02:31:24,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:24,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395743431] [2023-11-12 02:31:24,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:24,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:24,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:31:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:24,461 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:31:24,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:24,462 INFO L85 PathProgramCache]: Analyzing trace with hash 441941658, now seen corresponding path program 1 times [2023-11-12 02:31:24,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:24,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853755434] [2023-11-12 02:31:24,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:24,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:24,542 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:31:24,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [684414453] [2023-11-12 02:31:24,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:24,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:31:24,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:31:24,547 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:31:24,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:31:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:24,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:31:24,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:31:24,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:24,975 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:31:24,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:31:24,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853755434] [2023-11-12 02:31:24,976 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:31:24,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684414453] [2023-11-12 02:31:24,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684414453] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:24,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:24,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:31:24,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529680348] [2023-11-12 02:31:24,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:24,985 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:31:24,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:31:24,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:31:24,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:31:24,987 INFO L87 Difference]: Start difference. First operand 428 states and 610 transitions. cyclomatic complexity: 186 Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 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) [2023-11-12 02:31:25,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:25,172 INFO L93 Difference]: Finished difference Result 538 states and 776 transitions. [2023-11-12 02:31:25,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 538 states and 776 transitions. [2023-11-12 02:31:25,225 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 520 [2023-11-12 02:31:25,233 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 538 states to 538 states and 776 transitions. [2023-11-12 02:31:25,233 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 538 [2023-11-12 02:31:25,234 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 538 [2023-11-12 02:31:25,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 538 states and 776 transitions. [2023-11-12 02:31:25,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:31:25,237 INFO L218 hiAutomatonCegarLoop]: Abstraction has 538 states and 776 transitions. [2023-11-12 02:31:25,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states and 776 transitions. [2023-11-12 02:31:25,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 451. [2023-11-12 02:31:25,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 447 states have (on average 1.407158836689038) internal successors, (629), 446 states have internal predecessors, (629), 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) [2023-11-12 02:31:25,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 635 transitions. [2023-11-12 02:31:25,255 INFO L240 hiAutomatonCegarLoop]: Abstraction has 451 states and 635 transitions. [2023-11-12 02:31:25,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:31:25,257 INFO L428 stractBuchiCegarLoop]: Abstraction has 451 states and 635 transitions. [2023-11-12 02:31:25,258 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-12 02:31:25,258 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 451 states and 635 transitions. [2023-11-12 02:31:25,261 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 433 [2023-11-12 02:31:25,262 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:31:25,262 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:31:25,266 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:31:25,266 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] [2023-11-12 02:31:25,267 INFO L748 eck$LassoCheckResult]: Stem: 4546#$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);~#alt_malloc_sizes~0.base, ~#alt_malloc_sizes~0.offset := 3, 0;call #Ultimate.allocInit(40, 3);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#alt_malloc_sizes~0.base);~alt_malloc_balance~0 := 0;~alt_memcmp_count~0 := 0;~alt_bzero_count~0 := 0; 4547#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset, main_#t~mem44#1, main_#t~mem45#1, main_#t~mem46#1, main_#t~mem48#1, main_#t~mem47#1, main_#t~mem49#1, main_#t~mem50#1, main_#t~mem52#1, main_#t~mem51#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem56#1, main_#t~mem55#1, main_#t~mem57#1, main_#t~mem58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~switch68#1, main_#t~mem69#1, main_#t~mem70#1, main_#t~mem71#1, main_#t~mem72#1, main_#t~mem73#1, main_#t~mem74#1, main_#t~mem75#1, main_#t~mem76#1, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_#t~nondet84#1, main_#t~nondet85#1, main_#t~nondet86#1, main_#t~nondet87#1, main_#t~nondet88#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~ret89#1.base, main_#t~ret89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~ret97#1.base, main_#t~ret97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1, main_#t~nondet117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~post121#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem126#1, main_#t~mem125#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~short129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ret132#1.base, main_#t~ret132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~nondet142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem146#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~nondet147#1, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem158#1, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~nondet159#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~pre162#1, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1, main_#t~post167#1, main_#t~mem171#1, main_#t~mem169#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem170#1, main_#t~mem172#1, main_#t~post173#1, 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~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1, 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, main_#t~post185#1, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, 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~ite195#1, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1, main_#t~mem198#1.base, main_#t~mem198#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~mem40#1, main_#t~post41#1, main_#t~mem42#1, main_#t~mem203#1, main_#t~mem202#1, main_#t~mem204#1, main_#t~mem205#1, main_#t~mem207#1, main_#t~mem206#1, main_#t~mem208#1, main_#t~mem209#1, main_#t~mem211#1, main_#t~mem210#1, main_#t~mem212#1, main_#t~mem213#1, main_#t~nondet214#1, main_#t~nondet215#1, main_#t~nondet216#1, main_#t~nondet217#1, main_#t~nondet218#1, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~nondet221#1, main_#t~nondet222#1, main_#t~switch223#1, main_#t~mem224#1, main_#t~mem225#1, main_#t~mem226#1, main_#t~mem227#1, main_#t~mem228#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem233#1, main_#t~mem234#1, main_#t~nondet235#1, main_#t~nondet236#1, main_#t~nondet237#1, main_#t~nondet238#1, main_#t~nondet239#1, main_#t~nondet240#1, main_#t~nondet241#1, main_#t~nondet242#1, main_#t~nondet243#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1, main_#t~nondet246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1, main_#t~mem255#1, main_#t~mem256#1, main_#t~short257#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~ret259#1, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~short266#1, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~mem277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1.base, main_#t~mem286#1.offset, main_#t~mem287#1, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem291#1, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~nondet292#1, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1, main_#t~post296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1.base, main_#t~mem299#1.offset, main_#t~mem300#1.base, main_#t~mem300#1.offset, main_#t~mem301#1.base, main_#t~mem301#1.offset, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1.base, main_#t~mem304#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem305#1.base, main_#t~mem305#1.offset, main_#t~mem306#1, main_#t~post307#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem199#1, main_#t~post200#1, main_#t~mem201#1, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~ite310#1.base, main_#t~ite310#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~short315#1, main_#t~mem316#1.base, main_#t~mem316#1.offset, main_#t~mem317#1.base, main_#t~mem317#1.offset, main_#t~mem318#1.base, main_#t~mem318#1.offset, main_#t~mem319#1, main_#t~mem320#1.base, main_#t~mem320#1.offset, main_#t~mem321#1.base, main_#t~mem321#1.offset, main_#t~mem322#1.base, main_#t~mem322#1.offset, main_#t~mem323#1.base, main_#t~mem323#1.offset, main_#t~mem324#1.base, main_#t~mem324#1.offset, main_#t~mem325#1.base, main_#t~mem325#1.offset, main_#t~mem326#1, main_#t~mem327#1.base, main_#t~mem327#1.offset, main_#t~mem328#1.base, main_#t~mem328#1.offset, main_#t~mem329#1.base, main_#t~mem329#1.offset, main_#t~mem330#1, main_#t~mem331#1.base, main_#t~mem331#1.offset, main_#t~mem332#1.base, main_#t~mem332#1.offset, main_#t~mem333#1.base, main_#t~mem333#1.offset, main_#t~mem334#1.base, main_#t~mem334#1.offset, main_#t~mem335#1.base, main_#t~mem335#1.offset, main_#t~mem336#1, main_#t~mem337#1.base, main_#t~mem337#1.offset, main_#t~mem340#1, main_#t~mem338#1.base, main_#t~mem338#1.offset, main_#t~mem339#1, main_#t~nondet341#1, main_#t~mem342#1.base, main_#t~mem342#1.offset, main_#t~mem343#1.base, main_#t~mem343#1.offset, main_#t~mem344#1, main_#t~post345#1, main_#t~mem346#1.base, main_#t~mem346#1.offset, main_#t~mem347#1.base, main_#t~mem347#1.offset, main_#t~mem348#1.base, main_#t~mem348#1.offset, main_#t~mem349#1.base, main_#t~mem349#1.offset, main_#t~mem350#1.base, main_#t~mem350#1.offset, main_#t~mem351#1.base, main_#t~mem351#1.offset, main_#t~mem352#1.base, main_#t~mem352#1.offset, main_#t~mem353#1.base, main_#t~mem353#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem354#1.base, main_#t~mem354#1.offset, main_#t~mem355#1, main_#t~post356#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite312#1.base, main_#t~ite312#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 4342#L989-4 [2023-11-12 02:31:25,269 INFO L750 eck$LassoCheckResult]: Loop: 4342#L989-4 call main_#t~mem42#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 4343#L989-1 assume !!(main_#t~mem42#1 < 10);havoc main_#t~mem42#1;assume { :begin_inline_real_malloc } true;real_malloc_#in~n#1 := 40;havoc real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;real_malloc_~n#1 := real_malloc_#in~n#1;call real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset := #Ultimate.allocOnHeap(real_malloc_~n#1 % 4294967296);real_malloc_#res#1.base, real_malloc_#res#1.offset := real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; 4336#real_malloc_returnLabel#1 main_#t~ret43#1.base, main_#t~ret43#1.offset := real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;havoc real_malloc_#in~n#1;assume { :end_inline_real_malloc } true;main_~user~0#1.base, main_~user~0#1.offset := main_#t~ret43#1.base, main_#t~ret43#1.offset;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset; 4337#L991 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 4344#L991-2 call main_#t~mem44#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem44#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem44#1;call main_#t~mem45#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem46#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem45#1 * main_#t~mem46#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem45#1;havoc main_#t~mem46#1; 4482#L996-263 havoc main_~_ha_hashv~0#1; 4575#L996-176 goto; 4576#L996-174 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; 4656#L996-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 4744#L996-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch68#1 := 11 == main_~_hj_k~0#1; 4745#L996-73 assume !main_#t~switch68#1; 4642#L996-75 main_#t~switch68#1 := main_#t~switch68#1 || 10 == main_~_hj_k~0#1; 4643#L996-76 assume !main_#t~switch68#1; 4594#L996-78 main_#t~switch68#1 := main_#t~switch68#1 || 9 == main_~_hj_k~0#1; 4595#L996-79 assume !main_#t~switch68#1; 4533#L996-81 main_#t~switch68#1 := main_#t~switch68#1 || 8 == main_~_hj_k~0#1; 4534#L996-82 assume !main_#t~switch68#1; 4689#L996-84 main_#t~switch68#1 := main_#t~switch68#1 || 7 == main_~_hj_k~0#1; 4690#L996-85 assume !main_#t~switch68#1; 4691#L996-87 main_#t~switch68#1 := main_#t~switch68#1 || 6 == main_~_hj_k~0#1; 4692#L996-88 assume !main_#t~switch68#1; 4758#L996-90 main_#t~switch68#1 := main_#t~switch68#1 || 5 == main_~_hj_k~0#1; 4759#L996-91 assume !main_#t~switch68#1; 4773#L996-93 main_#t~switch68#1 := main_#t~switch68#1 || 4 == main_~_hj_k~0#1; 4774#L996-94 assume main_#t~switch68#1;call main_#t~mem76#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~mem76#1 % 256 % 4294967296);havoc main_#t~mem76#1; 4609#L996-96 main_#t~switch68#1 := main_#t~switch68#1 || 3 == main_~_hj_k~0#1; 4653#L996-97 assume main_#t~switch68#1;call main_#t~mem77#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~mem77#1 % 256 % 4294967296);havoc main_#t~mem77#1; 4654#L996-99 main_#t~switch68#1 := main_#t~switch68#1 || 2 == main_~_hj_k~0#1; 4772#L996-100 assume main_#t~switch68#1;call main_#t~mem78#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~mem78#1 % 256 % 4294967296);havoc main_#t~mem78#1; 4726#L996-102 main_#t~switch68#1 := main_#t~switch68#1 || 1 == main_~_hj_k~0#1; 4727#L996-103 assume main_#t~switch68#1;call main_#t~mem79#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~mem79#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem79#1 % 256 % 4294967296 else main_#t~mem79#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem79#1; 4486#L996-105 havoc main_#t~switch68#1; 4487#L996-171 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; 4427#L996-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet80#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 4429#L996-113 main_~_hj_i~0#1 := main_#t~nondet80#1;havoc main_#t~nondet80#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; 4452#L996-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet81#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 4453#L996-120 main_~_hj_j~0#1 := main_#t~nondet81#1;havoc main_#t~nondet81#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; 4723#L996-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet82#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 4529#L996-127 main_~_ha_hashv~0#1 := main_#t~nondet82#1;havoc main_#t~nondet82#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; 4581#L996-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet83#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 4582#L996-134 main_~_hj_i~0#1 := main_#t~nondet83#1;havoc main_#t~nondet83#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; 4714#L996-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet84#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 4591#L996-141 main_~_hj_j~0#1 := main_#t~nondet84#1;havoc main_#t~nondet84#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; 4720#L996-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet85#1 := main_~_hj_j~0#1 % 4294967296 / 32; 4572#L996-148 main_~_ha_hashv~0#1 := main_#t~nondet85#1;havoc main_#t~nondet85#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; 4515#L996-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet86#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 4386#L996-155 main_~_hj_i~0#1 := main_#t~nondet86#1;havoc main_#t~nondet86#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; 4387#L996-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet87#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 4564#L996-162 main_~_hj_j~0#1 := main_#t~nondet87#1;havoc main_#t~nondet87#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; 4754#L996-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet88#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 4333#L996-169 main_~_ha_hashv~0#1 := main_#t~nondet88#1;havoc main_#t~nondet88#1; 4421#L996-170 goto; 4422#L996-172 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; 4698#L996-173 goto; 4637#L996-175 goto; 4559#L996-260 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); 4560#L996-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem104#1.base, main_#t~mem104#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem104#1.base, main_#t~mem104#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem104#1.base, main_#t~mem104#1.offset; 4597#L996-190 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem105#1.base, main_#t~mem105#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem106#1.base, main_#t~mem106#1.offset := read~$Pointer$(main_#t~mem105#1.base, 16 + main_#t~mem105#1.offset, 4);call main_#t~mem107#1.base, main_#t~mem107#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem108#1 := read~int(main_#t~mem107#1.base, 20 + main_#t~mem107#1.offset, 4);call write~$Pointer$(main_#t~mem106#1.base, main_#t~mem106#1.offset - main_#t~mem108#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem105#1.base, main_#t~mem105#1.offset;havoc main_#t~mem106#1.base, main_#t~mem106#1.offset;havoc main_#t~mem107#1.base, main_#t~mem107#1.offset;havoc main_#t~mem108#1;call main_#t~mem109#1.base, main_#t~mem109#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem110#1.base, main_#t~mem110#1.offset := read~$Pointer$(main_#t~mem109#1.base, 16 + main_#t~mem109#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem110#1.base, 8 + main_#t~mem110#1.offset, 4);havoc main_#t~mem109#1.base, main_#t~mem109#1.offset;havoc main_#t~mem110#1.base, main_#t~mem110#1.offset;call main_#t~mem111#1.base, main_#t~mem111#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~mem111#1.base, 16 + main_#t~mem111#1.offset, 4);havoc main_#t~mem111#1.base, main_#t~mem111#1.offset; 4598#L996-189 goto; 4439#L996-258 havoc main_~_ha_bkt~0#1;call main_#t~mem112#1.base, main_#t~mem112#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem113#1 := read~int(main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);main_#t~post114#1 := main_#t~mem113#1;call write~int(1 + main_#t~post114#1, main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);havoc main_#t~mem112#1.base, main_#t~mem112#1.offset;havoc main_#t~mem113#1;havoc main_#t~post114#1; 4508#L996-199 call main_#t~mem115#1.base, main_#t~mem115#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem116#1 := read~int(main_#t~mem115#1.base, 4 + main_#t~mem115#1.offset, 4); 4509#L996-193 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem116#1 - 1) % 4294967296;main_#t~nondet117#1 := 0; 4650#L996-197 main_~_ha_bkt~0#1 := main_#t~nondet117#1;havoc main_#t~mem115#1.base, main_#t~mem115#1.offset;havoc main_#t~mem116#1;havoc main_#t~nondet117#1; 4719#L996-198 goto; 4663#L996-255 call main_#t~mem118#1.base, main_#t~mem118#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem119#1.base, main_#t~mem119#1.offset := read~$Pointer$(main_#t~mem118#1.base, main_#t~mem118#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem119#1.base, main_#t~mem119#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~mem118#1.base, main_#t~mem118#1.offset;havoc main_#t~mem119#1.base, main_#t~mem119#1.offset;call main_#t~mem120#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post121#1 := main_#t~mem120#1;call write~int(1 + main_#t~post121#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem120#1;havoc main_#t~post121#1;call main_#t~mem122#1.base, main_#t~mem122#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem122#1.base, main_#t~mem122#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem122#1.base, main_#t~mem122#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem123#1.base, main_#t~mem123#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 4664#L996-201 assume !(main_#t~mem123#1.base != 0 || main_#t~mem123#1.offset != 0);havoc main_#t~mem123#1.base, main_#t~mem123#1.offset; 4415#L996-203 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~mem126#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem125#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short129#1 := main_#t~mem126#1 % 4294967296 >= 10 * (1 + main_#t~mem125#1) % 4294967296; 4380#L996-204 assume main_#t~short129#1;call main_#t~mem127#1.base, main_#t~mem127#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem128#1 := read~int(main_#t~mem127#1.base, 36 + main_#t~mem127#1.offset, 4);main_#t~short129#1 := 0 == main_#t~mem128#1 % 4294967296; 4381#L996-206 assume !main_#t~short129#1;havoc main_#t~mem126#1;havoc main_#t~mem125#1;havoc main_#t~mem127#1.base, main_#t~mem127#1.offset;havoc main_#t~mem128#1;havoc main_#t~short129#1; 4742#L996-253 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 4762#L996-254 goto; 4771#L996-256 havoc main_~_ha_bkt~0#1; 4669#L996-257 goto; 4627#L996-259 goto; 4363#L996-261 havoc main_~_ha_hashv~0#1; 4364#L996-262 goto; 4706#L989-3 call main_#t~mem40#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post41#1 := main_#t~mem40#1;call write~int(1 + main_#t~post41#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem40#1;havoc main_#t~post41#1; 4342#L989-4 [2023-11-12 02:31:25,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:25,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 5 times [2023-11-12 02:31:25,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:25,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608137206] [2023-11-12 02:31:25,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:25,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:25,308 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:31:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:25,348 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:31:25,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:25,352 INFO L85 PathProgramCache]: Analyzing trace with hash 2042145812, now seen corresponding path program 1 times [2023-11-12 02:31:25,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:25,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441896337] [2023-11-12 02:31:25,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:25,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:25,421 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:31:25,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [339452725] [2023-11-12 02:31:25,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:25,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:31:25,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:31:25,426 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:31:25,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 02:31:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:26,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-12 02:31:26,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:31:27,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:27,017 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:31:27,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:31:27,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441896337] [2023-11-12 02:31:27,017 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:31:27,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339452725] [2023-11-12 02:31:27,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339452725] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:27,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:27,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:31:27,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982335526] [2023-11-12 02:31:27,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:27,018 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:31:27,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:31:27,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:31:27,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:31:27,019 INFO L87 Difference]: Start difference. First operand 451 states and 635 transitions. cyclomatic complexity: 188 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) [2023-11-12 02:31:27,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:27,786 INFO L93 Difference]: Finished difference Result 468 states and 655 transitions. [2023-11-12 02:31:27,787 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 468 states and 655 transitions. [2023-11-12 02:31:27,793 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 450 [2023-11-12 02:31:27,800 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 468 states to 468 states and 655 transitions. [2023-11-12 02:31:27,800 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 468 [2023-11-12 02:31:27,801 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 468 [2023-11-12 02:31:27,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 468 states and 655 transitions. [2023-11-12 02:31:27,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:31:27,804 INFO L218 hiAutomatonCegarLoop]: Abstraction has 468 states and 655 transitions. [2023-11-12 02:31:27,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states and 655 transitions. [2023-11-12 02:31:27,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 465. [2023-11-12 02:31:27,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 461 states have (on average 1.3991323210412148) internal successors, (645), 460 states have internal predecessors, (645), 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) [2023-11-12 02:31:27,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 651 transitions. [2023-11-12 02:31:27,821 INFO L240 hiAutomatonCegarLoop]: Abstraction has 465 states and 651 transitions. [2023-11-12 02:31:27,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:31:27,825 INFO L428 stractBuchiCegarLoop]: Abstraction has 465 states and 651 transitions. [2023-11-12 02:31:27,825 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-12 02:31:27,825 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 465 states and 651 transitions. [2023-11-12 02:31:27,828 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 447 [2023-11-12 02:31:27,829 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:31:27,829 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:31:27,830 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:31:27,831 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, 1] [2023-11-12 02:31:27,831 INFO L748 eck$LassoCheckResult]: Stem: 5702#$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);~#alt_malloc_sizes~0.base, ~#alt_malloc_sizes~0.offset := 3, 0;call #Ultimate.allocInit(40, 3);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#alt_malloc_sizes~0.base);~alt_malloc_balance~0 := 0;~alt_memcmp_count~0 := 0;~alt_bzero_count~0 := 0; 5703#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset, main_#t~mem44#1, main_#t~mem45#1, main_#t~mem46#1, main_#t~mem48#1, main_#t~mem47#1, main_#t~mem49#1, main_#t~mem50#1, main_#t~mem52#1, main_#t~mem51#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem56#1, main_#t~mem55#1, main_#t~mem57#1, main_#t~mem58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~switch68#1, main_#t~mem69#1, main_#t~mem70#1, main_#t~mem71#1, main_#t~mem72#1, main_#t~mem73#1, main_#t~mem74#1, main_#t~mem75#1, main_#t~mem76#1, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_#t~nondet84#1, main_#t~nondet85#1, main_#t~nondet86#1, main_#t~nondet87#1, main_#t~nondet88#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~ret89#1.base, main_#t~ret89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~ret97#1.base, main_#t~ret97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1, main_#t~nondet117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~post121#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem126#1, main_#t~mem125#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~short129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ret132#1.base, main_#t~ret132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~nondet142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem146#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~nondet147#1, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem158#1, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~nondet159#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~pre162#1, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1, main_#t~post167#1, main_#t~mem171#1, main_#t~mem169#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem170#1, main_#t~mem172#1, main_#t~post173#1, 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~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1, 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, main_#t~post185#1, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, 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~ite195#1, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1, main_#t~mem198#1.base, main_#t~mem198#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~mem40#1, main_#t~post41#1, main_#t~mem42#1, main_#t~mem203#1, main_#t~mem202#1, main_#t~mem204#1, main_#t~mem205#1, main_#t~mem207#1, main_#t~mem206#1, main_#t~mem208#1, main_#t~mem209#1, main_#t~mem211#1, main_#t~mem210#1, main_#t~mem212#1, main_#t~mem213#1, main_#t~nondet214#1, main_#t~nondet215#1, main_#t~nondet216#1, main_#t~nondet217#1, main_#t~nondet218#1, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~nondet221#1, main_#t~nondet222#1, main_#t~switch223#1, main_#t~mem224#1, main_#t~mem225#1, main_#t~mem226#1, main_#t~mem227#1, main_#t~mem228#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem233#1, main_#t~mem234#1, main_#t~nondet235#1, main_#t~nondet236#1, main_#t~nondet237#1, main_#t~nondet238#1, main_#t~nondet239#1, main_#t~nondet240#1, main_#t~nondet241#1, main_#t~nondet242#1, main_#t~nondet243#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1, main_#t~nondet246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1, main_#t~mem255#1, main_#t~mem256#1, main_#t~short257#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~ret259#1, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~short266#1, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~mem277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1.base, main_#t~mem286#1.offset, main_#t~mem287#1, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem291#1, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~nondet292#1, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1, main_#t~post296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1.base, main_#t~mem299#1.offset, main_#t~mem300#1.base, main_#t~mem300#1.offset, main_#t~mem301#1.base, main_#t~mem301#1.offset, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1.base, main_#t~mem304#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem305#1.base, main_#t~mem305#1.offset, main_#t~mem306#1, main_#t~post307#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem199#1, main_#t~post200#1, main_#t~mem201#1, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~ite310#1.base, main_#t~ite310#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~short315#1, main_#t~mem316#1.base, main_#t~mem316#1.offset, main_#t~mem317#1.base, main_#t~mem317#1.offset, main_#t~mem318#1.base, main_#t~mem318#1.offset, main_#t~mem319#1, main_#t~mem320#1.base, main_#t~mem320#1.offset, main_#t~mem321#1.base, main_#t~mem321#1.offset, main_#t~mem322#1.base, main_#t~mem322#1.offset, main_#t~mem323#1.base, main_#t~mem323#1.offset, main_#t~mem324#1.base, main_#t~mem324#1.offset, main_#t~mem325#1.base, main_#t~mem325#1.offset, main_#t~mem326#1, main_#t~mem327#1.base, main_#t~mem327#1.offset, main_#t~mem328#1.base, main_#t~mem328#1.offset, main_#t~mem329#1.base, main_#t~mem329#1.offset, main_#t~mem330#1, main_#t~mem331#1.base, main_#t~mem331#1.offset, main_#t~mem332#1.base, main_#t~mem332#1.offset, main_#t~mem333#1.base, main_#t~mem333#1.offset, main_#t~mem334#1.base, main_#t~mem334#1.offset, main_#t~mem335#1.base, main_#t~mem335#1.offset, main_#t~mem336#1, main_#t~mem337#1.base, main_#t~mem337#1.offset, main_#t~mem340#1, main_#t~mem338#1.base, main_#t~mem338#1.offset, main_#t~mem339#1, main_#t~nondet341#1, main_#t~mem342#1.base, main_#t~mem342#1.offset, main_#t~mem343#1.base, main_#t~mem343#1.offset, main_#t~mem344#1, main_#t~post345#1, main_#t~mem346#1.base, main_#t~mem346#1.offset, main_#t~mem347#1.base, main_#t~mem347#1.offset, main_#t~mem348#1.base, main_#t~mem348#1.offset, main_#t~mem349#1.base, main_#t~mem349#1.offset, main_#t~mem350#1.base, main_#t~mem350#1.offset, main_#t~mem351#1.base, main_#t~mem351#1.offset, main_#t~mem352#1.base, main_#t~mem352#1.offset, main_#t~mem353#1.base, main_#t~mem353#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem354#1.base, main_#t~mem354#1.offset, main_#t~mem355#1, main_#t~post356#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite312#1.base, main_#t~ite312#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 5498#L989-4 [2023-11-12 02:31:27,832 INFO L750 eck$LassoCheckResult]: Loop: 5498#L989-4 call main_#t~mem42#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 5499#L989-1 assume !!(main_#t~mem42#1 < 10);havoc main_#t~mem42#1;assume { :begin_inline_real_malloc } true;real_malloc_#in~n#1 := 40;havoc real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;real_malloc_~n#1 := real_malloc_#in~n#1;call real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset := #Ultimate.allocOnHeap(real_malloc_~n#1 % 4294967296);real_malloc_#res#1.base, real_malloc_#res#1.offset := real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; 5492#real_malloc_returnLabel#1 main_#t~ret43#1.base, main_#t~ret43#1.offset := real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;havoc real_malloc_#in~n#1;assume { :end_inline_real_malloc } true;main_~user~0#1.base, main_~user~0#1.offset := main_#t~ret43#1.base, main_#t~ret43#1.offset;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset; 5493#L991 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 5500#L991-2 call main_#t~mem44#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem44#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem44#1;call main_#t~mem45#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem46#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem45#1 * main_#t~mem46#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem45#1;havoc main_#t~mem46#1; 5637#L996-263 havoc main_~_ha_hashv~0#1; 5732#L996-176 goto; 5733#L996-174 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; 5810#L996-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 5949#L996-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch68#1 := 11 == main_~_hj_k~0#1; 5948#L996-73 assume !main_#t~switch68#1; 5947#L996-75 main_#t~switch68#1 := main_#t~switch68#1 || 10 == main_~_hj_k~0#1; 5946#L996-76 assume !main_#t~switch68#1; 5945#L996-78 main_#t~switch68#1 := main_#t~switch68#1 || 9 == main_~_hj_k~0#1; 5944#L996-79 assume !main_#t~switch68#1; 5688#L996-81 main_#t~switch68#1 := main_#t~switch68#1 || 8 == main_~_hj_k~0#1; 5689#L996-82 assume !main_#t~switch68#1; 5844#L996-84 main_#t~switch68#1 := main_#t~switch68#1 || 7 == main_~_hj_k~0#1; 5540#L996-85 assume !main_#t~switch68#1; 5541#L996-87 main_#t~switch68#1 := main_#t~switch68#1 || 6 == main_~_hj_k~0#1; 5845#L996-88 assume !main_#t~switch68#1; 5847#L996-90 main_#t~switch68#1 := main_#t~switch68#1 || 5 == main_~_hj_k~0#1; 5643#L996-91 assume !main_#t~switch68#1; 5644#L996-93 main_#t~switch68#1 := main_#t~switch68#1 || 4 == main_~_hj_k~0#1; 5915#L996-94 assume main_#t~switch68#1;call main_#t~mem76#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~mem76#1 % 256 % 4294967296);havoc main_#t~mem76#1; 5932#L996-96 main_#t~switch68#1 := main_#t~switch68#1 || 3 == main_~_hj_k~0#1; 5930#L996-97 assume main_#t~switch68#1;call main_#t~mem77#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~mem77#1 % 256 % 4294967296);havoc main_#t~mem77#1; 5928#L996-99 main_#t~switch68#1 := main_#t~switch68#1 || 2 == main_~_hj_k~0#1; 5926#L996-100 assume main_#t~switch68#1;call main_#t~mem78#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~mem78#1 % 256 % 4294967296);havoc main_#t~mem78#1; 5924#L996-102 main_#t~switch68#1 := main_#t~switch68#1 || 1 == main_~_hj_k~0#1; 5922#L996-103 assume main_#t~switch68#1;call main_#t~mem79#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~mem79#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem79#1 % 256 % 4294967296 else main_#t~mem79#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem79#1; 5921#L996-105 havoc main_#t~switch68#1; 5920#L996-171 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; 5919#L996-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet80#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 5843#L996-113 main_~_hj_i~0#1 := main_#t~nondet80#1;havoc main_#t~nondet80#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; 5608#L996-114 assume !(0 == main_~_hj_j~0#1 % 4294967296); 5609#L996-116 assume 0 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296;main_#t~nondet81#1 := main_~_hj_j~0#1; 5801#L996-120 main_~_hj_j~0#1 := main_#t~nondet81#1;havoc main_#t~nondet81#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; 5872#L996-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet82#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 5684#L996-127 main_~_ha_hashv~0#1 := main_#t~nondet82#1;havoc main_#t~nondet82#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; 5736#L996-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet83#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 5737#L996-134 main_~_hj_i~0#1 := main_#t~nondet83#1;havoc main_#t~nondet83#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; 5863#L996-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet84#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 5748#L996-141 main_~_hj_j~0#1 := main_#t~nondet84#1;havoc main_#t~nondet84#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; 5870#L996-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet85#1 := main_~_hj_j~0#1 % 4294967296 / 32; 5729#L996-148 main_~_ha_hashv~0#1 := main_#t~nondet85#1;havoc main_#t~nondet85#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; 5671#L996-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet86#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 5542#L996-155 main_~_hj_i~0#1 := main_#t~nondet86#1;havoc main_#t~nondet86#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; 5543#L996-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet87#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 5721#L996-162 main_~_hj_j~0#1 := main_#t~nondet87#1;havoc main_#t~nondet87#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; 5898#L996-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet88#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 5489#L996-169 main_~_ha_hashv~0#1 := main_#t~nondet88#1;havoc main_#t~nondet88#1; 5577#L996-170 goto; 5578#L996-172 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; 5849#L996-173 goto; 5791#L996-175 goto; 5714#L996-260 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); 5715#L996-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem104#1.base, main_#t~mem104#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem104#1.base, main_#t~mem104#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem104#1.base, main_#t~mem104#1.offset; 5753#L996-190 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem105#1.base, main_#t~mem105#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem106#1.base, main_#t~mem106#1.offset := read~$Pointer$(main_#t~mem105#1.base, 16 + main_#t~mem105#1.offset, 4);call main_#t~mem107#1.base, main_#t~mem107#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem108#1 := read~int(main_#t~mem107#1.base, 20 + main_#t~mem107#1.offset, 4);call write~$Pointer$(main_#t~mem106#1.base, main_#t~mem106#1.offset - main_#t~mem108#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem105#1.base, main_#t~mem105#1.offset;havoc main_#t~mem106#1.base, main_#t~mem106#1.offset;havoc main_#t~mem107#1.base, main_#t~mem107#1.offset;havoc main_#t~mem108#1;call main_#t~mem109#1.base, main_#t~mem109#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem110#1.base, main_#t~mem110#1.offset := read~$Pointer$(main_#t~mem109#1.base, 16 + main_#t~mem109#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem110#1.base, 8 + main_#t~mem110#1.offset, 4);havoc main_#t~mem109#1.base, main_#t~mem109#1.offset;havoc main_#t~mem110#1.base, main_#t~mem110#1.offset;call main_#t~mem111#1.base, main_#t~mem111#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~mem111#1.base, 16 + main_#t~mem111#1.offset, 4);havoc main_#t~mem111#1.base, main_#t~mem111#1.offset; 5754#L996-189 goto; 5597#L996-258 havoc main_~_ha_bkt~0#1;call main_#t~mem112#1.base, main_#t~mem112#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem113#1 := read~int(main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);main_#t~post114#1 := main_#t~mem113#1;call write~int(1 + main_#t~post114#1, main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);havoc main_#t~mem112#1.base, main_#t~mem112#1.offset;havoc main_#t~mem113#1;havoc main_#t~post114#1; 5663#L996-199 call main_#t~mem115#1.base, main_#t~mem115#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem116#1 := read~int(main_#t~mem115#1.base, 4 + main_#t~mem115#1.offset, 4); 5664#L996-193 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem116#1 - 1) % 4294967296;main_#t~nondet117#1 := 0; 5805#L996-197 main_~_ha_bkt~0#1 := main_#t~nondet117#1;havoc main_#t~mem115#1.base, main_#t~mem115#1.offset;havoc main_#t~mem116#1;havoc main_#t~nondet117#1; 5868#L996-198 goto; 5817#L996-255 call main_#t~mem118#1.base, main_#t~mem118#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem119#1.base, main_#t~mem119#1.offset := read~$Pointer$(main_#t~mem118#1.base, main_#t~mem118#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem119#1.base, main_#t~mem119#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~mem118#1.base, main_#t~mem118#1.offset;havoc main_#t~mem119#1.base, main_#t~mem119#1.offset;call main_#t~mem120#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post121#1 := main_#t~mem120#1;call write~int(1 + main_#t~post121#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem120#1;havoc main_#t~post121#1;call main_#t~mem122#1.base, main_#t~mem122#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem122#1.base, main_#t~mem122#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem122#1.base, main_#t~mem122#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem123#1.base, main_#t~mem123#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 5818#L996-201 assume !(main_#t~mem123#1.base != 0 || main_#t~mem123#1.offset != 0);havoc main_#t~mem123#1.base, main_#t~mem123#1.offset; 5571#L996-203 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~mem126#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem125#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short129#1 := main_#t~mem126#1 % 4294967296 >= 10 * (1 + main_#t~mem125#1) % 4294967296; 5538#L996-204 assume main_#t~short129#1;call main_#t~mem127#1.base, main_#t~mem127#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem128#1 := read~int(main_#t~mem127#1.base, 36 + main_#t~mem127#1.offset, 4);main_#t~short129#1 := 0 == main_#t~mem128#1 % 4294967296; 5539#L996-206 assume !main_#t~short129#1;havoc main_#t~mem126#1;havoc main_#t~mem125#1;havoc main_#t~mem127#1.base, main_#t~mem127#1.offset;havoc main_#t~mem128#1;havoc main_#t~short129#1; 5888#L996-253 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 5904#L996-254 goto; 5914#L996-256 havoc main_~_ha_bkt~0#1; 5823#L996-257 goto; 5783#L996-259 goto; 5519#L996-261 havoc main_~_ha_hashv~0#1; 5520#L996-262 goto; 5856#L989-3 call main_#t~mem40#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post41#1 := main_#t~mem40#1;call write~int(1 + main_#t~post41#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem40#1;havoc main_#t~post41#1; 5498#L989-4 [2023-11-12 02:31:27,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:27,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 6 times [2023-11-12 02:31:27,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:27,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096680980] [2023-11-12 02:31:27,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:27,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:27,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:31:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:27,899 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:31:27,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:27,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1590458357, now seen corresponding path program 1 times [2023-11-12 02:31:27,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:27,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271888986] [2023-11-12 02:31:27,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:27,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:27,965 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:31:27,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [797410320] [2023-11-12 02:31:27,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:27,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:31:27,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:31:27,976 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:31:27,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-12 02:31:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:28,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-12 02:31:28,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:31:28,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:28,615 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:31:28,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:31:28,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271888986] [2023-11-12 02:31:28,615 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:31:28,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797410320] [2023-11-12 02:31:28,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797410320] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:28,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:28,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:31:28,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786057570] [2023-11-12 02:31:28,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:28,617 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:31:28,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:31:28,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:31:28,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:31:28,619 INFO L87 Difference]: Start difference. First operand 465 states and 651 transitions. cyclomatic complexity: 190 Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 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) [2023-11-12 02:31:29,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:29,694 INFO L93 Difference]: Finished difference Result 476 states and 667 transitions. [2023-11-12 02:31:29,694 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 476 states and 667 transitions. [2023-11-12 02:31:29,699 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 458 [2023-11-12 02:31:29,705 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 476 states to 476 states and 667 transitions. [2023-11-12 02:31:29,705 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 476 [2023-11-12 02:31:29,706 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 476 [2023-11-12 02:31:29,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 476 states and 667 transitions. [2023-11-12 02:31:29,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:31:29,707 INFO L218 hiAutomatonCegarLoop]: Abstraction has 476 states and 667 transitions. [2023-11-12 02:31:29,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states and 667 transitions. [2023-11-12 02:31:29,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 473. [2023-11-12 02:31:29,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 469 states have (on average 1.4008528784648189) internal successors, (657), 468 states have internal predecessors, (657), 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) [2023-11-12 02:31:29,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 663 transitions. [2023-11-12 02:31:29,721 INFO L240 hiAutomatonCegarLoop]: Abstraction has 473 states and 663 transitions. [2023-11-12 02:31:29,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:31:29,724 INFO L428 stractBuchiCegarLoop]: Abstraction has 473 states and 663 transitions. [2023-11-12 02:31:29,724 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-12 02:31:29,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 473 states and 663 transitions. [2023-11-12 02:31:29,727 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 455 [2023-11-12 02:31:29,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:31:29,728 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:31:29,731 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:31:29,731 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, 1, 1] [2023-11-12 02:31:29,731 INFO L748 eck$LassoCheckResult]: Stem: 6885#$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);~#alt_malloc_sizes~0.base, ~#alt_malloc_sizes~0.offset := 3, 0;call #Ultimate.allocInit(40, 3);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#alt_malloc_sizes~0.base);~alt_malloc_balance~0 := 0;~alt_memcmp_count~0 := 0;~alt_bzero_count~0 := 0; 6886#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset, main_#t~mem44#1, main_#t~mem45#1, main_#t~mem46#1, main_#t~mem48#1, main_#t~mem47#1, main_#t~mem49#1, main_#t~mem50#1, main_#t~mem52#1, main_#t~mem51#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem56#1, main_#t~mem55#1, main_#t~mem57#1, main_#t~mem58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~switch68#1, main_#t~mem69#1, main_#t~mem70#1, main_#t~mem71#1, main_#t~mem72#1, main_#t~mem73#1, main_#t~mem74#1, main_#t~mem75#1, main_#t~mem76#1, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_#t~nondet84#1, main_#t~nondet85#1, main_#t~nondet86#1, main_#t~nondet87#1, main_#t~nondet88#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~ret89#1.base, main_#t~ret89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~ret97#1.base, main_#t~ret97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1, main_#t~nondet117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~post121#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem126#1, main_#t~mem125#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~short129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ret132#1.base, main_#t~ret132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~nondet142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem146#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~nondet147#1, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem158#1, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~nondet159#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~pre162#1, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1, main_#t~post167#1, main_#t~mem171#1, main_#t~mem169#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem170#1, main_#t~mem172#1, main_#t~post173#1, 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~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1, 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, main_#t~post185#1, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, 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~ite195#1, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1, main_#t~mem198#1.base, main_#t~mem198#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~mem40#1, main_#t~post41#1, main_#t~mem42#1, main_#t~mem203#1, main_#t~mem202#1, main_#t~mem204#1, main_#t~mem205#1, main_#t~mem207#1, main_#t~mem206#1, main_#t~mem208#1, main_#t~mem209#1, main_#t~mem211#1, main_#t~mem210#1, main_#t~mem212#1, main_#t~mem213#1, main_#t~nondet214#1, main_#t~nondet215#1, main_#t~nondet216#1, main_#t~nondet217#1, main_#t~nondet218#1, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~nondet221#1, main_#t~nondet222#1, main_#t~switch223#1, main_#t~mem224#1, main_#t~mem225#1, main_#t~mem226#1, main_#t~mem227#1, main_#t~mem228#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem233#1, main_#t~mem234#1, main_#t~nondet235#1, main_#t~nondet236#1, main_#t~nondet237#1, main_#t~nondet238#1, main_#t~nondet239#1, main_#t~nondet240#1, main_#t~nondet241#1, main_#t~nondet242#1, main_#t~nondet243#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1, main_#t~nondet246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1, main_#t~mem255#1, main_#t~mem256#1, main_#t~short257#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~ret259#1, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~short266#1, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~mem277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1.base, main_#t~mem286#1.offset, main_#t~mem287#1, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem291#1, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~nondet292#1, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1, main_#t~post296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1.base, main_#t~mem299#1.offset, main_#t~mem300#1.base, main_#t~mem300#1.offset, main_#t~mem301#1.base, main_#t~mem301#1.offset, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1.base, main_#t~mem304#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem305#1.base, main_#t~mem305#1.offset, main_#t~mem306#1, main_#t~post307#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem199#1, main_#t~post200#1, main_#t~mem201#1, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~ite310#1.base, main_#t~ite310#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~short315#1, main_#t~mem316#1.base, main_#t~mem316#1.offset, main_#t~mem317#1.base, main_#t~mem317#1.offset, main_#t~mem318#1.base, main_#t~mem318#1.offset, main_#t~mem319#1, main_#t~mem320#1.base, main_#t~mem320#1.offset, main_#t~mem321#1.base, main_#t~mem321#1.offset, main_#t~mem322#1.base, main_#t~mem322#1.offset, main_#t~mem323#1.base, main_#t~mem323#1.offset, main_#t~mem324#1.base, main_#t~mem324#1.offset, main_#t~mem325#1.base, main_#t~mem325#1.offset, main_#t~mem326#1, main_#t~mem327#1.base, main_#t~mem327#1.offset, main_#t~mem328#1.base, main_#t~mem328#1.offset, main_#t~mem329#1.base, main_#t~mem329#1.offset, main_#t~mem330#1, main_#t~mem331#1.base, main_#t~mem331#1.offset, main_#t~mem332#1.base, main_#t~mem332#1.offset, main_#t~mem333#1.base, main_#t~mem333#1.offset, main_#t~mem334#1.base, main_#t~mem334#1.offset, main_#t~mem335#1.base, main_#t~mem335#1.offset, main_#t~mem336#1, main_#t~mem337#1.base, main_#t~mem337#1.offset, main_#t~mem340#1, main_#t~mem338#1.base, main_#t~mem338#1.offset, main_#t~mem339#1, main_#t~nondet341#1, main_#t~mem342#1.base, main_#t~mem342#1.offset, main_#t~mem343#1.base, main_#t~mem343#1.offset, main_#t~mem344#1, main_#t~post345#1, main_#t~mem346#1.base, main_#t~mem346#1.offset, main_#t~mem347#1.base, main_#t~mem347#1.offset, main_#t~mem348#1.base, main_#t~mem348#1.offset, main_#t~mem349#1.base, main_#t~mem349#1.offset, main_#t~mem350#1.base, main_#t~mem350#1.offset, main_#t~mem351#1.base, main_#t~mem351#1.offset, main_#t~mem352#1.base, main_#t~mem352#1.offset, main_#t~mem353#1.base, main_#t~mem353#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem354#1.base, main_#t~mem354#1.offset, main_#t~mem355#1, main_#t~post356#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite312#1.base, main_#t~ite312#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 6682#L989-4 [2023-11-12 02:31:29,733 INFO L750 eck$LassoCheckResult]: Loop: 6682#L989-4 call main_#t~mem42#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 6683#L989-1 assume !!(main_#t~mem42#1 < 10);havoc main_#t~mem42#1;assume { :begin_inline_real_malloc } true;real_malloc_#in~n#1 := 40;havoc real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;real_malloc_~n#1 := real_malloc_#in~n#1;call real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset := #Ultimate.allocOnHeap(real_malloc_~n#1 % 4294967296);real_malloc_#res#1.base, real_malloc_#res#1.offset := real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; 6676#real_malloc_returnLabel#1 main_#t~ret43#1.base, main_#t~ret43#1.offset := real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;havoc real_malloc_#in~n#1;assume { :end_inline_real_malloc } true;main_~user~0#1.base, main_~user~0#1.offset := main_#t~ret43#1.base, main_#t~ret43#1.offset;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset; 6677#L991 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 6684#L991-2 call main_#t~mem44#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem44#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem44#1;call main_#t~mem45#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem46#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem45#1 * main_#t~mem46#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem45#1;havoc main_#t~mem46#1; 6821#L996-263 havoc main_~_ha_hashv~0#1; 6910#L996-176 goto; 6911#L996-174 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; 6993#L996-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 7141#L996-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch68#1 := 11 == main_~_hj_k~0#1; 7140#L996-73 assume !main_#t~switch68#1; 7139#L996-75 main_#t~switch68#1 := main_#t~switch68#1 || 10 == main_~_hj_k~0#1; 7138#L996-76 assume !main_#t~switch68#1; 7137#L996-78 main_#t~switch68#1 := main_#t~switch68#1 || 9 == main_~_hj_k~0#1; 7136#L996-79 assume !main_#t~switch68#1; 7135#L996-81 main_#t~switch68#1 := main_#t~switch68#1 || 8 == main_~_hj_k~0#1; 7134#L996-82 assume !main_#t~switch68#1; 7133#L996-84 main_#t~switch68#1 := main_#t~switch68#1 || 7 == main_~_hj_k~0#1; 7132#L996-85 assume !main_#t~switch68#1; 7031#L996-87 main_#t~switch68#1 := main_#t~switch68#1 || 6 == main_~_hj_k~0#1; 7032#L996-88 assume !main_#t~switch68#1; 7033#L996-90 main_#t~switch68#1 := main_#t~switch68#1 || 5 == main_~_hj_k~0#1; 6827#L996-91 assume !main_#t~switch68#1; 6828#L996-93 main_#t~switch68#1 := main_#t~switch68#1 || 4 == main_~_hj_k~0#1; 6945#L996-94 assume !main_#t~switch68#1; 6946#L996-96 main_#t~switch68#1 := main_#t~switch68#1 || 3 == main_~_hj_k~0#1; 7124#L996-97 assume !main_#t~switch68#1; 7123#L996-99 main_#t~switch68#1 := main_#t~switch68#1 || 2 == main_~_hj_k~0#1; 7122#L996-100 assume !main_#t~switch68#1; 7121#L996-102 main_#t~switch68#1 := main_#t~switch68#1 || 1 == main_~_hj_k~0#1; 7023#L996-103 assume !main_#t~switch68#1; 7024#L996-105 havoc main_#t~switch68#1; 7142#L996-171 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; 6770#L996-107 assume !(0 == main_~_hj_i~0#1 % 4294967296); 6771#L996-109 assume !(0 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296); 7103#L996-111 assume main_~_hj_i~0#1 % 4294967296 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296;main_#t~nondet80#1 := 0; 7028#L996-113 main_~_hj_i~0#1 := main_#t~nondet80#1;havoc main_#t~nondet80#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; 7029#L996-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet81#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 6986#L996-120 main_~_hj_j~0#1 := main_#t~nondet81#1;havoc main_#t~nondet81#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; 7059#L996-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet82#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 6870#L996-127 main_~_ha_hashv~0#1 := main_#t~nondet82#1;havoc main_#t~nondet82#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; 6923#L996-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet83#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 6924#L996-134 main_~_hj_i~0#1 := main_#t~nondet83#1;havoc main_#t~nondet83#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; 7050#L996-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet84#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 6932#L996-141 main_~_hj_j~0#1 := main_#t~nondet84#1;havoc main_#t~nondet84#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; 7057#L996-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet85#1 := main_~_hj_j~0#1 % 4294967296 / 32; 6915#L996-148 main_~_ha_hashv~0#1 := main_#t~nondet85#1;havoc main_#t~nondet85#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; 6855#L996-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet86#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 6726#L996-155 main_~_hj_i~0#1 := main_#t~nondet86#1;havoc main_#t~nondet86#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; 6727#L996-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet87#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 6905#L996-162 main_~_hj_j~0#1 := main_#t~nondet87#1;havoc main_#t~nondet87#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; 7089#L996-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet88#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 6673#L996-169 main_~_ha_hashv~0#1 := main_#t~nondet88#1;havoc main_#t~nondet88#1; 6761#L996-170 goto; 6762#L996-172 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; 7035#L996-173 goto; 6976#L996-175 goto; 6898#L996-260 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); 6899#L996-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem104#1.base, main_#t~mem104#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem104#1.base, main_#t~mem104#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem104#1.base, main_#t~mem104#1.offset; 6937#L996-190 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem105#1.base, main_#t~mem105#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem106#1.base, main_#t~mem106#1.offset := read~$Pointer$(main_#t~mem105#1.base, 16 + main_#t~mem105#1.offset, 4);call main_#t~mem107#1.base, main_#t~mem107#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem108#1 := read~int(main_#t~mem107#1.base, 20 + main_#t~mem107#1.offset, 4);call write~$Pointer$(main_#t~mem106#1.base, main_#t~mem106#1.offset - main_#t~mem108#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem105#1.base, main_#t~mem105#1.offset;havoc main_#t~mem106#1.base, main_#t~mem106#1.offset;havoc main_#t~mem107#1.base, main_#t~mem107#1.offset;havoc main_#t~mem108#1;call main_#t~mem109#1.base, main_#t~mem109#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem110#1.base, main_#t~mem110#1.offset := read~$Pointer$(main_#t~mem109#1.base, 16 + main_#t~mem109#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem110#1.base, 8 + main_#t~mem110#1.offset, 4);havoc main_#t~mem109#1.base, main_#t~mem109#1.offset;havoc main_#t~mem110#1.base, main_#t~mem110#1.offset;call main_#t~mem111#1.base, main_#t~mem111#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~mem111#1.base, 16 + main_#t~mem111#1.offset, 4);havoc main_#t~mem111#1.base, main_#t~mem111#1.offset; 6938#L996-189 goto; 6781#L996-258 havoc main_~_ha_bkt~0#1;call main_#t~mem112#1.base, main_#t~mem112#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem113#1 := read~int(main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);main_#t~post114#1 := main_#t~mem113#1;call write~int(1 + main_#t~post114#1, main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);havoc main_#t~mem112#1.base, main_#t~mem112#1.offset;havoc main_#t~mem113#1;havoc main_#t~post114#1; 6847#L996-199 call main_#t~mem115#1.base, main_#t~mem115#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem116#1 := read~int(main_#t~mem115#1.base, 4 + main_#t~mem115#1.offset, 4); 6848#L996-193 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem116#1 - 1) % 4294967296;main_#t~nondet117#1 := 0; 6989#L996-197 main_~_ha_bkt~0#1 := main_#t~nondet117#1;havoc main_#t~mem115#1.base, main_#t~mem115#1.offset;havoc main_#t~mem116#1;havoc main_#t~nondet117#1; 7055#L996-198 goto; 7001#L996-255 call main_#t~mem118#1.base, main_#t~mem118#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem119#1.base, main_#t~mem119#1.offset := read~$Pointer$(main_#t~mem118#1.base, main_#t~mem118#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem119#1.base, main_#t~mem119#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~mem118#1.base, main_#t~mem118#1.offset;havoc main_#t~mem119#1.base, main_#t~mem119#1.offset;call main_#t~mem120#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post121#1 := main_#t~mem120#1;call write~int(1 + main_#t~post121#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem120#1;havoc main_#t~post121#1;call main_#t~mem122#1.base, main_#t~mem122#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem122#1.base, main_#t~mem122#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem122#1.base, main_#t~mem122#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem123#1.base, main_#t~mem123#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 7002#L996-201 assume !(main_#t~mem123#1.base != 0 || main_#t~mem123#1.offset != 0);havoc main_#t~mem123#1.base, main_#t~mem123#1.offset; 6755#L996-203 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~mem126#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem125#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short129#1 := main_#t~mem126#1 % 4294967296 >= 10 * (1 + main_#t~mem125#1) % 4294967296; 6722#L996-204 assume main_#t~short129#1;call main_#t~mem127#1.base, main_#t~mem127#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem128#1 := read~int(main_#t~mem127#1.base, 36 + main_#t~mem127#1.offset, 4);main_#t~short129#1 := 0 == main_#t~mem128#1 % 4294967296; 6723#L996-206 assume !main_#t~short129#1;havoc main_#t~mem126#1;havoc main_#t~mem125#1;havoc main_#t~mem127#1.base, main_#t~mem127#1.offset;havoc main_#t~mem128#1;havoc main_#t~short129#1; 7077#L996-253 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 7096#L996-254 goto; 7109#L996-256 havoc main_~_ha_bkt~0#1; 7007#L996-257 goto; 6969#L996-259 goto; 6703#L996-261 havoc main_~_ha_hashv~0#1; 6704#L996-262 goto; 7042#L989-3 call main_#t~mem40#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post41#1 := main_#t~mem40#1;call write~int(1 + main_#t~post41#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem40#1;havoc main_#t~post41#1; 6682#L989-4 [2023-11-12 02:31:29,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:29,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 7 times [2023-11-12 02:31:29,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:29,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234443517] [2023-11-12 02:31:29,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:29,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:29,757 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:31:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:29,784 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:31:29,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:29,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1412128119, now seen corresponding path program 1 times [2023-11-12 02:31:29,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:29,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748329372] [2023-11-12 02:31:29,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:29,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:29,843 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:31:29,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1295851369] [2023-11-12 02:31:29,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:29,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:31:29,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:31:29,856 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:31:29,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-12 02:31:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:30,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:31:30,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:31:30,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:30,249 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:31:30,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:31:30,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748329372] [2023-11-12 02:31:30,250 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:31:30,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295851369] [2023-11-12 02:31:30,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295851369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:30,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:30,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:31:30,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184827279] [2023-11-12 02:31:30,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:30,251 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:31:30,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:31:30,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:31:30,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:31:30,253 INFO L87 Difference]: Start difference. First operand 473 states and 663 transitions. cyclomatic complexity: 194 Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2023-11-12 02:31:30,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:30,324 INFO L93 Difference]: Finished difference Result 391 states and 542 transitions. [2023-11-12 02:31:30,324 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 391 states and 542 transitions. [2023-11-12 02:31:30,328 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 373 [2023-11-12 02:31:30,333 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 391 states to 391 states and 542 transitions. [2023-11-12 02:31:30,333 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 391 [2023-11-12 02:31:30,334 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 391 [2023-11-12 02:31:30,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 391 states and 542 transitions. [2023-11-12 02:31:30,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:31:30,335 INFO L218 hiAutomatonCegarLoop]: Abstraction has 391 states and 542 transitions. [2023-11-12 02:31:30,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states and 542 transitions. [2023-11-12 02:31:30,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391. [2023-11-12 02:31:30,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 387 states have (on average 1.3850129198966408) internal successors, (536), 386 states have internal predecessors, (536), 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) [2023-11-12 02:31:30,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 542 transitions. [2023-11-12 02:31:30,347 INFO L240 hiAutomatonCegarLoop]: Abstraction has 391 states and 542 transitions. [2023-11-12 02:31:30,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:31:30,348 INFO L428 stractBuchiCegarLoop]: Abstraction has 391 states and 542 transitions. [2023-11-12 02:31:30,349 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-12 02:31:30,349 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 391 states and 542 transitions. [2023-11-12 02:31:30,351 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 373 [2023-11-12 02:31:30,351 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:31:30,352 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:31:30,352 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:31:30,353 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, 1, 1] [2023-11-12 02:31:30,353 INFO L748 eck$LassoCheckResult]: Stem: 8094#$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);~#alt_malloc_sizes~0.base, ~#alt_malloc_sizes~0.offset := 3, 0;call #Ultimate.allocInit(40, 3);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#alt_malloc_sizes~0.base);~alt_malloc_balance~0 := 0;~alt_memcmp_count~0 := 0;~alt_bzero_count~0 := 0; 8095#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset, main_#t~mem44#1, main_#t~mem45#1, main_#t~mem46#1, main_#t~mem48#1, main_#t~mem47#1, main_#t~mem49#1, main_#t~mem50#1, main_#t~mem52#1, main_#t~mem51#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem56#1, main_#t~mem55#1, main_#t~mem57#1, main_#t~mem58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~switch68#1, main_#t~mem69#1, main_#t~mem70#1, main_#t~mem71#1, main_#t~mem72#1, main_#t~mem73#1, main_#t~mem74#1, main_#t~mem75#1, main_#t~mem76#1, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_#t~nondet84#1, main_#t~nondet85#1, main_#t~nondet86#1, main_#t~nondet87#1, main_#t~nondet88#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~ret89#1.base, main_#t~ret89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~ret97#1.base, main_#t~ret97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1, main_#t~nondet117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~post121#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem126#1, main_#t~mem125#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~short129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ret132#1.base, main_#t~ret132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~nondet142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem146#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~nondet147#1, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem158#1, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~nondet159#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~pre162#1, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1, main_#t~post167#1, main_#t~mem171#1, main_#t~mem169#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem170#1, main_#t~mem172#1, main_#t~post173#1, 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~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1, 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, main_#t~post185#1, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, 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~ite195#1, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1, main_#t~mem198#1.base, main_#t~mem198#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~mem40#1, main_#t~post41#1, main_#t~mem42#1, main_#t~mem203#1, main_#t~mem202#1, main_#t~mem204#1, main_#t~mem205#1, main_#t~mem207#1, main_#t~mem206#1, main_#t~mem208#1, main_#t~mem209#1, main_#t~mem211#1, main_#t~mem210#1, main_#t~mem212#1, main_#t~mem213#1, main_#t~nondet214#1, main_#t~nondet215#1, main_#t~nondet216#1, main_#t~nondet217#1, main_#t~nondet218#1, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~nondet221#1, main_#t~nondet222#1, main_#t~switch223#1, main_#t~mem224#1, main_#t~mem225#1, main_#t~mem226#1, main_#t~mem227#1, main_#t~mem228#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem233#1, main_#t~mem234#1, main_#t~nondet235#1, main_#t~nondet236#1, main_#t~nondet237#1, main_#t~nondet238#1, main_#t~nondet239#1, main_#t~nondet240#1, main_#t~nondet241#1, main_#t~nondet242#1, main_#t~nondet243#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1, main_#t~nondet246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1, main_#t~mem255#1, main_#t~mem256#1, main_#t~short257#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~ret259#1, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~short266#1, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~mem277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1.base, main_#t~mem286#1.offset, main_#t~mem287#1, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem291#1, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~nondet292#1, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1, main_#t~post296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1.base, main_#t~mem299#1.offset, main_#t~mem300#1.base, main_#t~mem300#1.offset, main_#t~mem301#1.base, main_#t~mem301#1.offset, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1.base, main_#t~mem304#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem305#1.base, main_#t~mem305#1.offset, main_#t~mem306#1, main_#t~post307#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem199#1, main_#t~post200#1, main_#t~mem201#1, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~ite310#1.base, main_#t~ite310#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~short315#1, main_#t~mem316#1.base, main_#t~mem316#1.offset, main_#t~mem317#1.base, main_#t~mem317#1.offset, main_#t~mem318#1.base, main_#t~mem318#1.offset, main_#t~mem319#1, main_#t~mem320#1.base, main_#t~mem320#1.offset, main_#t~mem321#1.base, main_#t~mem321#1.offset, main_#t~mem322#1.base, main_#t~mem322#1.offset, main_#t~mem323#1.base, main_#t~mem323#1.offset, main_#t~mem324#1.base, main_#t~mem324#1.offset, main_#t~mem325#1.base, main_#t~mem325#1.offset, main_#t~mem326#1, main_#t~mem327#1.base, main_#t~mem327#1.offset, main_#t~mem328#1.base, main_#t~mem328#1.offset, main_#t~mem329#1.base, main_#t~mem329#1.offset, main_#t~mem330#1, main_#t~mem331#1.base, main_#t~mem331#1.offset, main_#t~mem332#1.base, main_#t~mem332#1.offset, main_#t~mem333#1.base, main_#t~mem333#1.offset, main_#t~mem334#1.base, main_#t~mem334#1.offset, main_#t~mem335#1.base, main_#t~mem335#1.offset, main_#t~mem336#1, main_#t~mem337#1.base, main_#t~mem337#1.offset, main_#t~mem340#1, main_#t~mem338#1.base, main_#t~mem338#1.offset, main_#t~mem339#1, main_#t~nondet341#1, main_#t~mem342#1.base, main_#t~mem342#1.offset, main_#t~mem343#1.base, main_#t~mem343#1.offset, main_#t~mem344#1, main_#t~post345#1, main_#t~mem346#1.base, main_#t~mem346#1.offset, main_#t~mem347#1.base, main_#t~mem347#1.offset, main_#t~mem348#1.base, main_#t~mem348#1.offset, main_#t~mem349#1.base, main_#t~mem349#1.offset, main_#t~mem350#1.base, main_#t~mem350#1.offset, main_#t~mem351#1.base, main_#t~mem351#1.offset, main_#t~mem352#1.base, main_#t~mem352#1.offset, main_#t~mem353#1.base, main_#t~mem353#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem354#1.base, main_#t~mem354#1.offset, main_#t~mem355#1, main_#t~post356#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite312#1.base, main_#t~ite312#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 7797#L989-4 [2023-11-12 02:31:30,353 INFO L750 eck$LassoCheckResult]: Loop: 7797#L989-4 call main_#t~mem42#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 7791#L989-1 assume !!(main_#t~mem42#1 < 10);havoc main_#t~mem42#1;assume { :begin_inline_real_malloc } true;real_malloc_#in~n#1 := 40;havoc real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;real_malloc_~n#1 := real_malloc_#in~n#1;call real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset := #Ultimate.allocOnHeap(real_malloc_~n#1 % 4294967296);real_malloc_#res#1.base, real_malloc_#res#1.offset := real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; 7785#real_malloc_returnLabel#1 main_#t~ret43#1.base, main_#t~ret43#1.offset := real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;havoc real_malloc_#in~n#1;assume { :end_inline_real_malloc } true;main_~user~0#1.base, main_~user~0#1.offset := main_#t~ret43#1.base, main_#t~ret43#1.offset;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset; 7786#L991 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 7798#L991-2 call main_#t~mem44#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem44#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem44#1;call main_#t~mem45#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem46#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem45#1 * main_#t~mem46#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem45#1;havoc main_#t~mem46#1; 7904#L996-263 havoc main_~_ha_hashv~0#1; 7905#L996-176 goto; 8122#L996-174 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; 7835#L996-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 7836#L996-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch68#1 := 11 == main_~_hj_k~0#1; 8047#L996-73 assume !main_#t~switch68#1; 8048#L996-75 main_#t~switch68#1 := main_#t~switch68#1 || 10 == main_~_hj_k~0#1; 7793#L996-76 assume !main_#t~switch68#1; 7794#L996-78 main_#t~switch68#1 := main_#t~switch68#1 || 9 == main_~_hj_k~0#1; 7884#L996-79 assume !main_#t~switch68#1; 7885#L996-81 main_#t~switch68#1 := main_#t~switch68#1 || 8 == main_~_hj_k~0#1; 7910#L996-82 assume !main_#t~switch68#1; 7878#L996-84 main_#t~switch68#1 := main_#t~switch68#1 || 7 == main_~_hj_k~0#1; 7850#L996-85 assume !main_#t~switch68#1; 7851#L996-87 main_#t~switch68#1 := main_#t~switch68#1 || 6 == main_~_hj_k~0#1; 7879#L996-88 assume !main_#t~switch68#1; 7893#L996-90 main_#t~switch68#1 := main_#t~switch68#1 || 5 == main_~_hj_k~0#1; 8026#L996-91 assume !main_#t~switch68#1; 8027#L996-93 main_#t~switch68#1 := main_#t~switch68#1 || 4 == main_~_hj_k~0#1; 8142#L996-94 assume main_#t~switch68#1;call main_#t~mem76#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~mem76#1 % 256 % 4294967296);havoc main_#t~mem76#1; 7942#L996-96 main_#t~switch68#1 := main_#t~switch68#1 || 3 == main_~_hj_k~0#1; 7943#L996-97 assume main_#t~switch68#1;call main_#t~mem77#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~mem77#1 % 256 % 4294967296);havoc main_#t~mem77#1; 8159#L996-99 main_#t~switch68#1 := main_#t~switch68#1 || 2 == main_~_hj_k~0#1; 8034#L996-100 assume main_#t~switch68#1;call main_#t~mem78#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~mem78#1 % 256 % 4294967296);havoc main_#t~mem78#1; 8032#L996-102 main_#t~switch68#1 := main_#t~switch68#1 || 1 == main_~_hj_k~0#1; 7848#L996-103 assume main_#t~switch68#1;call main_#t~mem79#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~mem79#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem79#1 % 256 % 4294967296 else main_#t~mem79#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem79#1; 7849#L996-105 havoc main_#t~switch68#1; 8015#L996-171 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; 7926#L996-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet80#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 7873#L996-113 main_~_hj_i~0#1 := main_#t~nondet80#1;havoc main_#t~nondet80#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; 7874#L996-114 assume !(0 == main_~_hj_j~0#1 % 4294967296); 7965#L996-116 assume 0 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296;main_#t~nondet81#1 := main_~_hj_j~0#1; 8022#L996-120 main_~_hj_j~0#1 := main_#t~nondet81#1;havoc main_#t~nondet81#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; 8023#L996-121 assume !(0 == main_~_ha_hashv~0#1 % 4294967296); 8099#L996-123 assume 0 == main_~_hj_j~0#1 % 4294967296 / 8192 % 4294967296;main_#t~nondet82#1 := main_~_ha_hashv~0#1; 8083#L996-127 main_~_ha_hashv~0#1 := main_#t~nondet82#1;havoc main_#t~nondet82#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; 8128#L996-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet83#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 7865#L996-134 main_~_hj_i~0#1 := main_#t~nondet83#1;havoc main_#t~nondet83#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; 7957#L996-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet84#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 7914#L996-141 main_~_hj_j~0#1 := main_#t~nondet84#1;havoc main_#t~nondet84#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; 8012#L996-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet85#1 := main_~_hj_j~0#1 % 4294967296 / 32; 8013#L996-148 main_~_ha_hashv~0#1 := main_#t~nondet85#1;havoc main_#t~nondet85#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; 8057#L996-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet86#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 7853#L996-155 main_~_hj_i~0#1 := main_#t~nondet86#1;havoc main_#t~nondet86#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; 7854#L996-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet87#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 7989#L996-162 main_~_hj_j~0#1 := main_#t~nondet87#1;havoc main_#t~nondet87#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; 8110#L996-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet88#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 7780#L996-169 main_~_ha_hashv~0#1 := main_#t~nondet88#1;havoc main_#t~nondet88#1; 7918#L996-170 goto; 7919#L996-172 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; 7897#L996-173 goto; 7898#L996-175 goto; 8116#L996-260 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); 8117#L996-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem104#1.base, main_#t~mem104#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem104#1.base, main_#t~mem104#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem104#1.base, main_#t~mem104#1.offset; 8123#L996-190 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem105#1.base, main_#t~mem105#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem106#1.base, main_#t~mem106#1.offset := read~$Pointer$(main_#t~mem105#1.base, 16 + main_#t~mem105#1.offset, 4);call main_#t~mem107#1.base, main_#t~mem107#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem108#1 := read~int(main_#t~mem107#1.base, 20 + main_#t~mem107#1.offset, 4);call write~$Pointer$(main_#t~mem106#1.base, main_#t~mem106#1.offset - main_#t~mem108#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem105#1.base, main_#t~mem105#1.offset;havoc main_#t~mem106#1.base, main_#t~mem106#1.offset;havoc main_#t~mem107#1.base, main_#t~mem107#1.offset;havoc main_#t~mem108#1;call main_#t~mem109#1.base, main_#t~mem109#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem110#1.base, main_#t~mem110#1.offset := read~$Pointer$(main_#t~mem109#1.base, 16 + main_#t~mem109#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem110#1.base, 8 + main_#t~mem110#1.offset, 4);havoc main_#t~mem109#1.base, main_#t~mem109#1.offset;havoc main_#t~mem110#1.base, main_#t~mem110#1.offset;call main_#t~mem111#1.base, main_#t~mem111#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~mem111#1.base, 16 + main_#t~mem111#1.offset, 4);havoc main_#t~mem111#1.base, main_#t~mem111#1.offset; 8136#L996-189 goto; 7941#L996-258 havoc main_~_ha_bkt~0#1;call main_#t~mem112#1.base, main_#t~mem112#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem113#1 := read~int(main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);main_#t~post114#1 := main_#t~mem113#1;call write~int(1 + main_#t~post114#1, main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);havoc main_#t~mem112#1.base, main_#t~mem112#1.offset;havoc main_#t~mem113#1;havoc main_#t~post114#1; 8050#L996-199 call main_#t~mem115#1.base, main_#t~mem115#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem116#1 := read~int(main_#t~mem115#1.base, 4 + main_#t~mem115#1.offset, 4); 7977#L996-193 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem116#1 - 1) % 4294967296;main_#t~nondet117#1 := 0; 7978#L996-197 main_~_ha_bkt~0#1 := main_#t~nondet117#1;havoc main_#t~mem115#1.base, main_#t~mem115#1.offset;havoc main_#t~mem116#1;havoc main_#t~nondet117#1; 8004#L996-198 goto; 8108#L996-255 call main_#t~mem118#1.base, main_#t~mem118#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem119#1.base, main_#t~mem119#1.offset := read~$Pointer$(main_#t~mem118#1.base, main_#t~mem118#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem119#1.base, main_#t~mem119#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~mem118#1.base, main_#t~mem118#1.offset;havoc main_#t~mem119#1.base, main_#t~mem119#1.offset;call main_#t~mem120#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post121#1 := main_#t~mem120#1;call write~int(1 + main_#t~post121#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem120#1;havoc main_#t~post121#1;call main_#t~mem122#1.base, main_#t~mem122#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem122#1.base, main_#t~mem122#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem122#1.base, main_#t~mem122#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem123#1.base, main_#t~mem123#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 7882#L996-201 assume !(main_#t~mem123#1.base != 0 || main_#t~mem123#1.offset != 0);havoc main_#t~mem123#1.base, main_#t~mem123#1.offset; 7883#L996-203 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~mem126#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem125#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short129#1 := main_#t~mem126#1 % 4294967296 >= 10 * (1 + main_#t~mem125#1) % 4294967296; 7846#L996-204 assume main_#t~short129#1;call main_#t~mem127#1.base, main_#t~mem127#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem128#1 := read~int(main_#t~mem127#1.base, 36 + main_#t~mem127#1.offset, 4);main_#t~short129#1 := 0 == main_#t~mem128#1 % 4294967296; 7847#L996-206 assume !main_#t~short129#1;havoc main_#t~mem126#1;havoc main_#t~mem125#1;havoc main_#t~mem127#1.base, main_#t~mem127#1.offset;havoc main_#t~mem128#1;havoc main_#t~short129#1; 8085#L996-253 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 8126#L996-254 goto; 8162#L996-256 havoc main_~_ha_bkt~0#1; 8163#L996-257 goto; 8154#L996-259 goto; 7818#L996-261 havoc main_~_ha_hashv~0#1; 7819#L996-262 goto; 7931#L989-3 call main_#t~mem40#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post41#1 := main_#t~mem40#1;call write~int(1 + main_#t~post41#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem40#1;havoc main_#t~post41#1; 7797#L989-4 [2023-11-12 02:31:30,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:30,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 8 times [2023-11-12 02:31:30,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:30,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122147283] [2023-11-12 02:31:30,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:30,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:30,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:31:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:30,389 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:31:30,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:30,390 INFO L85 PathProgramCache]: Analyzing trace with hash 116700201, now seen corresponding path program 1 times [2023-11-12 02:31:30,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:30,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542471746] [2023-11-12 02:31:30,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:30,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:30,439 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:31:30,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1479716453] [2023-11-12 02:31:30,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:30,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:31:30,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:31:30,448 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:31:30,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-12 02:31:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:30,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-12 02:31:30,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:31:31,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:31,082 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:31:31,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:31:31,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542471746] [2023-11-12 02:31:31,083 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:31:31,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479716453] [2023-11-12 02:31:31,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479716453] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:31,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:31,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:31:31,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679770620] [2023-11-12 02:31:31,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:31,084 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:31:31,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:31:31,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:31:31,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:31:31,086 INFO L87 Difference]: Start difference. First operand 391 states and 542 transitions. cyclomatic complexity: 155 Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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) [2023-11-12 02:31:31,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:31,567 INFO L93 Difference]: Finished difference Result 397 states and 550 transitions. [2023-11-12 02:31:31,567 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 397 states and 550 transitions. [2023-11-12 02:31:31,570 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 379 [2023-11-12 02:31:31,574 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 397 states to 397 states and 550 transitions. [2023-11-12 02:31:31,575 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 397 [2023-11-12 02:31:31,575 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 397 [2023-11-12 02:31:31,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 397 states and 550 transitions. [2023-11-12 02:31:31,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:31:31,576 INFO L218 hiAutomatonCegarLoop]: Abstraction has 397 states and 550 transitions. [2023-11-12 02:31:31,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states and 550 transitions. [2023-11-12 02:31:31,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 393. [2023-11-12 02:31:31,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 389 states have (on average 1.3830334190231361) internal successors, (538), 388 states have internal predecessors, (538), 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) [2023-11-12 02:31:31,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 544 transitions. [2023-11-12 02:31:31,587 INFO L240 hiAutomatonCegarLoop]: Abstraction has 393 states and 544 transitions. [2023-11-12 02:31:31,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 02:31:31,589 INFO L428 stractBuchiCegarLoop]: Abstraction has 393 states and 544 transitions. [2023-11-12 02:31:31,589 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-12 02:31:31,590 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 393 states and 544 transitions. [2023-11-12 02:31:31,592 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 375 [2023-11-12 02:31:31,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:31:31,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:31:31,593 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:31:31,593 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, 1, 1] [2023-11-12 02:31:31,593 INFO L748 eck$LassoCheckResult]: Stem: 9132#$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);~#alt_malloc_sizes~0.base, ~#alt_malloc_sizes~0.offset := 3, 0;call #Ultimate.allocInit(40, 3);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#alt_malloc_sizes~0.base);~alt_malloc_balance~0 := 0;~alt_memcmp_count~0 := 0;~alt_bzero_count~0 := 0; 9133#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset, main_#t~mem44#1, main_#t~mem45#1, main_#t~mem46#1, main_#t~mem48#1, main_#t~mem47#1, main_#t~mem49#1, main_#t~mem50#1, main_#t~mem52#1, main_#t~mem51#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem56#1, main_#t~mem55#1, main_#t~mem57#1, main_#t~mem58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~switch68#1, main_#t~mem69#1, main_#t~mem70#1, main_#t~mem71#1, main_#t~mem72#1, main_#t~mem73#1, main_#t~mem74#1, main_#t~mem75#1, main_#t~mem76#1, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_#t~nondet84#1, main_#t~nondet85#1, main_#t~nondet86#1, main_#t~nondet87#1, main_#t~nondet88#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~ret89#1.base, main_#t~ret89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~ret97#1.base, main_#t~ret97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1, main_#t~nondet117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~post121#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem126#1, main_#t~mem125#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~short129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ret132#1.base, main_#t~ret132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~nondet142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem146#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~nondet147#1, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem158#1, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~nondet159#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~pre162#1, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1, main_#t~post167#1, main_#t~mem171#1, main_#t~mem169#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem170#1, main_#t~mem172#1, main_#t~post173#1, 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~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1, 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, main_#t~post185#1, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, 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~ite195#1, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1, main_#t~mem198#1.base, main_#t~mem198#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~mem40#1, main_#t~post41#1, main_#t~mem42#1, main_#t~mem203#1, main_#t~mem202#1, main_#t~mem204#1, main_#t~mem205#1, main_#t~mem207#1, main_#t~mem206#1, main_#t~mem208#1, main_#t~mem209#1, main_#t~mem211#1, main_#t~mem210#1, main_#t~mem212#1, main_#t~mem213#1, main_#t~nondet214#1, main_#t~nondet215#1, main_#t~nondet216#1, main_#t~nondet217#1, main_#t~nondet218#1, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~nondet221#1, main_#t~nondet222#1, main_#t~switch223#1, main_#t~mem224#1, main_#t~mem225#1, main_#t~mem226#1, main_#t~mem227#1, main_#t~mem228#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem233#1, main_#t~mem234#1, main_#t~nondet235#1, main_#t~nondet236#1, main_#t~nondet237#1, main_#t~nondet238#1, main_#t~nondet239#1, main_#t~nondet240#1, main_#t~nondet241#1, main_#t~nondet242#1, main_#t~nondet243#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1, main_#t~nondet246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1, main_#t~mem255#1, main_#t~mem256#1, main_#t~short257#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~ret259#1, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~short266#1, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~mem277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1.base, main_#t~mem286#1.offset, main_#t~mem287#1, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem291#1, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~nondet292#1, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1, main_#t~post296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1.base, main_#t~mem299#1.offset, main_#t~mem300#1.base, main_#t~mem300#1.offset, main_#t~mem301#1.base, main_#t~mem301#1.offset, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1.base, main_#t~mem304#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem305#1.base, main_#t~mem305#1.offset, main_#t~mem306#1, main_#t~post307#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem199#1, main_#t~post200#1, main_#t~mem201#1, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~ite310#1.base, main_#t~ite310#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~short315#1, main_#t~mem316#1.base, main_#t~mem316#1.offset, main_#t~mem317#1.base, main_#t~mem317#1.offset, main_#t~mem318#1.base, main_#t~mem318#1.offset, main_#t~mem319#1, main_#t~mem320#1.base, main_#t~mem320#1.offset, main_#t~mem321#1.base, main_#t~mem321#1.offset, main_#t~mem322#1.base, main_#t~mem322#1.offset, main_#t~mem323#1.base, main_#t~mem323#1.offset, main_#t~mem324#1.base, main_#t~mem324#1.offset, main_#t~mem325#1.base, main_#t~mem325#1.offset, main_#t~mem326#1, main_#t~mem327#1.base, main_#t~mem327#1.offset, main_#t~mem328#1.base, main_#t~mem328#1.offset, main_#t~mem329#1.base, main_#t~mem329#1.offset, main_#t~mem330#1, main_#t~mem331#1.base, main_#t~mem331#1.offset, main_#t~mem332#1.base, main_#t~mem332#1.offset, main_#t~mem333#1.base, main_#t~mem333#1.offset, main_#t~mem334#1.base, main_#t~mem334#1.offset, main_#t~mem335#1.base, main_#t~mem335#1.offset, main_#t~mem336#1, main_#t~mem337#1.base, main_#t~mem337#1.offset, main_#t~mem340#1, main_#t~mem338#1.base, main_#t~mem338#1.offset, main_#t~mem339#1, main_#t~nondet341#1, main_#t~mem342#1.base, main_#t~mem342#1.offset, main_#t~mem343#1.base, main_#t~mem343#1.offset, main_#t~mem344#1, main_#t~post345#1, main_#t~mem346#1.base, main_#t~mem346#1.offset, main_#t~mem347#1.base, main_#t~mem347#1.offset, main_#t~mem348#1.base, main_#t~mem348#1.offset, main_#t~mem349#1.base, main_#t~mem349#1.offset, main_#t~mem350#1.base, main_#t~mem350#1.offset, main_#t~mem351#1.base, main_#t~mem351#1.offset, main_#t~mem352#1.base, main_#t~mem352#1.offset, main_#t~mem353#1.base, main_#t~mem353#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem354#1.base, main_#t~mem354#1.offset, main_#t~mem355#1, main_#t~post356#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite312#1.base, main_#t~ite312#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 8835#L989-4 [2023-11-12 02:31:31,593 INFO L750 eck$LassoCheckResult]: Loop: 8835#L989-4 call main_#t~mem42#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 8829#L989-1 assume !!(main_#t~mem42#1 < 10);havoc main_#t~mem42#1;assume { :begin_inline_real_malloc } true;real_malloc_#in~n#1 := 40;havoc real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;real_malloc_~n#1 := real_malloc_#in~n#1;call real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset := #Ultimate.allocOnHeap(real_malloc_~n#1 % 4294967296);real_malloc_#res#1.base, real_malloc_#res#1.offset := real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; 8823#real_malloc_returnLabel#1 main_#t~ret43#1.base, main_#t~ret43#1.offset := real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;havoc real_malloc_#in~n#1;assume { :end_inline_real_malloc } true;main_~user~0#1.base, main_~user~0#1.offset := main_#t~ret43#1.base, main_#t~ret43#1.offset;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset; 8824#L991 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 8836#L991-2 call main_#t~mem44#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem44#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem44#1;call main_#t~mem45#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem46#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem45#1 * main_#t~mem46#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem45#1;havoc main_#t~mem46#1; 8942#L996-263 havoc main_~_ha_hashv~0#1; 8943#L996-176 goto; 9160#L996-174 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; 8873#L996-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 8874#L996-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch68#1 := 11 == main_~_hj_k~0#1; 9085#L996-73 assume !main_#t~switch68#1; 9086#L996-75 main_#t~switch68#1 := main_#t~switch68#1 || 10 == main_~_hj_k~0#1; 8831#L996-76 assume !main_#t~switch68#1; 8832#L996-78 main_#t~switch68#1 := main_#t~switch68#1 || 9 == main_~_hj_k~0#1; 8922#L996-79 assume !main_#t~switch68#1; 8923#L996-81 main_#t~switch68#1 := main_#t~switch68#1 || 8 == main_~_hj_k~0#1; 8948#L996-82 assume !main_#t~switch68#1; 8916#L996-84 main_#t~switch68#1 := main_#t~switch68#1 || 7 == main_~_hj_k~0#1; 8888#L996-85 assume !main_#t~switch68#1; 8889#L996-87 main_#t~switch68#1 := main_#t~switch68#1 || 6 == main_~_hj_k~0#1; 8917#L996-88 assume !main_#t~switch68#1; 8931#L996-90 main_#t~switch68#1 := main_#t~switch68#1 || 5 == main_~_hj_k~0#1; 9064#L996-91 assume !main_#t~switch68#1; 9065#L996-93 main_#t~switch68#1 := main_#t~switch68#1 || 4 == main_~_hj_k~0#1; 9181#L996-94 assume main_#t~switch68#1;call main_#t~mem76#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~mem76#1 % 256 % 4294967296);havoc main_#t~mem76#1; 8980#L996-96 main_#t~switch68#1 := main_#t~switch68#1 || 3 == main_~_hj_k~0#1; 8981#L996-97 assume main_#t~switch68#1;call main_#t~mem77#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~mem77#1 % 256 % 4294967296);havoc main_#t~mem77#1; 9198#L996-99 main_#t~switch68#1 := main_#t~switch68#1 || 2 == main_~_hj_k~0#1; 9072#L996-100 assume main_#t~switch68#1;call main_#t~mem78#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~mem78#1 % 256 % 4294967296);havoc main_#t~mem78#1; 9070#L996-102 main_#t~switch68#1 := main_#t~switch68#1 || 1 == main_~_hj_k~0#1; 8886#L996-103 assume main_#t~switch68#1;call main_#t~mem79#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~mem79#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem79#1 % 256 % 4294967296 else main_#t~mem79#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem79#1; 8887#L996-105 havoc main_#t~switch68#1; 9053#L996-171 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; 8964#L996-107 assume !(0 == main_~_hj_i~0#1 % 4294967296); 8965#L996-109 assume !(0 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296); 9176#L996-111 assume main_~_hj_i~0#1 % 4294967296 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296;main_#t~nondet80#1 := 0; 9185#L996-113 main_~_hj_i~0#1 := main_#t~nondet80#1;havoc main_#t~nondet80#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; 9207#L996-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet81#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 9197#L996-120 main_~_hj_j~0#1 := main_#t~nondet81#1;havoc main_#t~nondet81#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; 9204#L996-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet82#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 9121#L996-127 main_~_ha_hashv~0#1 := main_#t~nondet82#1;havoc main_#t~nondet82#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; 9203#L996-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet83#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 8903#L996-134 main_~_hj_i~0#1 := main_#t~nondet83#1;havoc main_#t~nondet83#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; 8995#L996-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet84#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 8952#L996-141 main_~_hj_j~0#1 := main_#t~nondet84#1;havoc main_#t~nondet84#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; 9050#L996-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet85#1 := main_~_hj_j~0#1 % 4294967296 / 32; 9051#L996-148 main_~_ha_hashv~0#1 := main_#t~nondet85#1;havoc main_#t~nondet85#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; 9095#L996-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet86#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 8891#L996-155 main_~_hj_i~0#1 := main_#t~nondet86#1;havoc main_#t~nondet86#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; 8892#L996-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet87#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 9027#L996-162 main_~_hj_j~0#1 := main_#t~nondet87#1;havoc main_#t~nondet87#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; 9148#L996-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet88#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 8818#L996-169 main_~_ha_hashv~0#1 := main_#t~nondet88#1;havoc main_#t~nondet88#1; 8956#L996-170 goto; 8957#L996-172 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; 8935#L996-173 goto; 8936#L996-175 goto; 9154#L996-260 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); 9155#L996-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem104#1.base, main_#t~mem104#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem104#1.base, main_#t~mem104#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem104#1.base, main_#t~mem104#1.offset; 9161#L996-190 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem105#1.base, main_#t~mem105#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem106#1.base, main_#t~mem106#1.offset := read~$Pointer$(main_#t~mem105#1.base, 16 + main_#t~mem105#1.offset, 4);call main_#t~mem107#1.base, main_#t~mem107#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem108#1 := read~int(main_#t~mem107#1.base, 20 + main_#t~mem107#1.offset, 4);call write~$Pointer$(main_#t~mem106#1.base, main_#t~mem106#1.offset - main_#t~mem108#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem105#1.base, main_#t~mem105#1.offset;havoc main_#t~mem106#1.base, main_#t~mem106#1.offset;havoc main_#t~mem107#1.base, main_#t~mem107#1.offset;havoc main_#t~mem108#1;call main_#t~mem109#1.base, main_#t~mem109#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem110#1.base, main_#t~mem110#1.offset := read~$Pointer$(main_#t~mem109#1.base, 16 + main_#t~mem109#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem110#1.base, 8 + main_#t~mem110#1.offset, 4);havoc main_#t~mem109#1.base, main_#t~mem109#1.offset;havoc main_#t~mem110#1.base, main_#t~mem110#1.offset;call main_#t~mem111#1.base, main_#t~mem111#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~mem111#1.base, 16 + main_#t~mem111#1.offset, 4);havoc main_#t~mem111#1.base, main_#t~mem111#1.offset; 9175#L996-189 goto; 8979#L996-258 havoc main_~_ha_bkt~0#1;call main_#t~mem112#1.base, main_#t~mem112#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem113#1 := read~int(main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);main_#t~post114#1 := main_#t~mem113#1;call write~int(1 + main_#t~post114#1, main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);havoc main_#t~mem112#1.base, main_#t~mem112#1.offset;havoc main_#t~mem113#1;havoc main_#t~post114#1; 9088#L996-199 call main_#t~mem115#1.base, main_#t~mem115#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem116#1 := read~int(main_#t~mem115#1.base, 4 + main_#t~mem115#1.offset, 4); 9015#L996-193 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem116#1 - 1) % 4294967296;main_#t~nondet117#1 := 0; 9016#L996-197 main_~_ha_bkt~0#1 := main_#t~nondet117#1;havoc main_#t~mem115#1.base, main_#t~mem115#1.offset;havoc main_#t~mem116#1;havoc main_#t~nondet117#1; 9042#L996-198 goto; 9146#L996-255 call main_#t~mem118#1.base, main_#t~mem118#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem119#1.base, main_#t~mem119#1.offset := read~$Pointer$(main_#t~mem118#1.base, main_#t~mem118#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem119#1.base, main_#t~mem119#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~mem118#1.base, main_#t~mem118#1.offset;havoc main_#t~mem119#1.base, main_#t~mem119#1.offset;call main_#t~mem120#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post121#1 := main_#t~mem120#1;call write~int(1 + main_#t~post121#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem120#1;havoc main_#t~post121#1;call main_#t~mem122#1.base, main_#t~mem122#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem122#1.base, main_#t~mem122#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem122#1.base, main_#t~mem122#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem123#1.base, main_#t~mem123#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 8920#L996-201 assume !(main_#t~mem123#1.base != 0 || main_#t~mem123#1.offset != 0);havoc main_#t~mem123#1.base, main_#t~mem123#1.offset; 8921#L996-203 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~mem126#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem125#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short129#1 := main_#t~mem126#1 % 4294967296 >= 10 * (1 + main_#t~mem125#1) % 4294967296; 8884#L996-204 assume main_#t~short129#1;call main_#t~mem127#1.base, main_#t~mem127#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem128#1 := read~int(main_#t~mem127#1.base, 36 + main_#t~mem127#1.offset, 4);main_#t~short129#1 := 0 == main_#t~mem128#1 % 4294967296; 8885#L996-206 assume !main_#t~short129#1;havoc main_#t~mem126#1;havoc main_#t~mem125#1;havoc main_#t~mem127#1.base, main_#t~mem127#1.offset;havoc main_#t~mem128#1;havoc main_#t~short129#1; 9123#L996-253 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 9164#L996-254 goto; 9201#L996-256 havoc main_~_ha_bkt~0#1; 9202#L996-257 goto; 9193#L996-259 goto; 8856#L996-261 havoc main_~_ha_hashv~0#1; 8857#L996-262 goto; 8969#L989-3 call main_#t~mem40#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post41#1 := main_#t~mem40#1;call write~int(1 + main_#t~post41#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem40#1;havoc main_#t~post41#1; 8835#L989-4 [2023-11-12 02:31:31,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:31,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 9 times [2023-11-12 02:31:31,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:31,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071999505] [2023-11-12 02:31:31,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:31,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:31,609 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:31:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:31,626 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:31:31,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:31,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1625546863, now seen corresponding path program 1 times [2023-11-12 02:31:31,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:31,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820671627] [2023-11-12 02:31:31,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:31,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:31,672 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:31:31,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [191663329] [2023-11-12 02:31:31,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:31,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:31:31,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:31:31,680 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:31:31,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-12 02:31:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:32,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-12 02:31:32,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:31:32,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:32,181 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:31:32,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:31:32,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820671627] [2023-11-12 02:31:32,181 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:31:32,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191663329] [2023-11-12 02:31:32,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191663329] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:32,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:32,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:31:32,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835357751] [2023-11-12 02:31:32,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:32,185 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:31:32,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:31:32,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:31:32,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:31:32,186 INFO L87 Difference]: Start difference. First operand 393 states and 544 transitions. cyclomatic complexity: 155 Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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) [2023-11-12 02:31:32,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:32,543 INFO L93 Difference]: Finished difference Result 403 states and 556 transitions. [2023-11-12 02:31:32,543 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 403 states and 556 transitions. [2023-11-12 02:31:32,547 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 385 [2023-11-12 02:31:32,551 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 403 states to 403 states and 556 transitions. [2023-11-12 02:31:32,551 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 403 [2023-11-12 02:31:32,552 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 403 [2023-11-12 02:31:32,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 403 states and 556 transitions. [2023-11-12 02:31:32,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:31:32,553 INFO L218 hiAutomatonCegarLoop]: Abstraction has 403 states and 556 transitions. [2023-11-12 02:31:32,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states and 556 transitions. [2023-11-12 02:31:32,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 396. [2023-11-12 02:31:32,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 392 states have (on average 1.3826530612244898) internal successors, (542), 391 states have internal predecessors, (542), 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) [2023-11-12 02:31:32,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 548 transitions. [2023-11-12 02:31:32,564 INFO L240 hiAutomatonCegarLoop]: Abstraction has 396 states and 548 transitions. [2023-11-12 02:31:32,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:31:32,566 INFO L428 stractBuchiCegarLoop]: Abstraction has 396 states and 548 transitions. [2023-11-12 02:31:32,566 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-12 02:31:32,566 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 396 states and 548 transitions. [2023-11-12 02:31:32,568 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 378 [2023-11-12 02:31:32,568 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:31:32,568 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:31:32,569 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:31:32,569 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, 1, 1] [2023-11-12 02:31:32,569 INFO L748 eck$LassoCheckResult]: Stem: 10173#$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);~#alt_malloc_sizes~0.base, ~#alt_malloc_sizes~0.offset := 3, 0;call #Ultimate.allocInit(40, 3);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#alt_malloc_sizes~0.base);~alt_malloc_balance~0 := 0;~alt_memcmp_count~0 := 0;~alt_bzero_count~0 := 0; 10174#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset, main_#t~mem44#1, main_#t~mem45#1, main_#t~mem46#1, main_#t~mem48#1, main_#t~mem47#1, main_#t~mem49#1, main_#t~mem50#1, main_#t~mem52#1, main_#t~mem51#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem56#1, main_#t~mem55#1, main_#t~mem57#1, main_#t~mem58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~switch68#1, main_#t~mem69#1, main_#t~mem70#1, main_#t~mem71#1, main_#t~mem72#1, main_#t~mem73#1, main_#t~mem74#1, main_#t~mem75#1, main_#t~mem76#1, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_#t~nondet84#1, main_#t~nondet85#1, main_#t~nondet86#1, main_#t~nondet87#1, main_#t~nondet88#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~ret89#1.base, main_#t~ret89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~ret97#1.base, main_#t~ret97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~post114#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1, main_#t~nondet117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~post121#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem126#1, main_#t~mem125#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~short129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1, main_#t~ret132#1.base, main_#t~ret132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem141#1, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1, main_#t~nondet142#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem146#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~nondet147#1, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1.base, main_#t~mem155#1.offset, main_#t~mem158#1, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~nondet159#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~pre162#1, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem164#1, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_#t~mem166#1, main_#t~post167#1, main_#t~mem171#1, main_#t~mem169#1, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~mem170#1, main_#t~mem172#1, main_#t~post173#1, 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~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1.base, main_#t~mem178#1.offset, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1, 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, main_#t~post185#1, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1.base, main_#t~mem188#1.offset, 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~ite195#1, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1, main_#t~mem198#1.base, main_#t~mem198#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~mem40#1, main_#t~post41#1, main_#t~mem42#1, main_#t~mem203#1, main_#t~mem202#1, main_#t~mem204#1, main_#t~mem205#1, main_#t~mem207#1, main_#t~mem206#1, main_#t~mem208#1, main_#t~mem209#1, main_#t~mem211#1, main_#t~mem210#1, main_#t~mem212#1, main_#t~mem213#1, main_#t~nondet214#1, main_#t~nondet215#1, main_#t~nondet216#1, main_#t~nondet217#1, main_#t~nondet218#1, main_#t~nondet219#1, main_#t~nondet220#1, main_#t~nondet221#1, main_#t~nondet222#1, main_#t~switch223#1, main_#t~mem224#1, main_#t~mem225#1, main_#t~mem226#1, main_#t~mem227#1, main_#t~mem228#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem232#1, main_#t~mem233#1, main_#t~mem234#1, main_#t~nondet235#1, main_#t~nondet236#1, main_#t~nondet237#1, main_#t~nondet238#1, main_#t~nondet239#1, main_#t~nondet240#1, main_#t~nondet241#1, main_#t~nondet242#1, main_#t~nondet243#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1, main_#t~nondet246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1, main_#t~mem255#1, main_#t~mem256#1, main_#t~short257#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~ret259#1, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~short266#1, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~mem277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1.base, main_#t~mem286#1.offset, main_#t~mem287#1, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem291#1, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~nondet292#1, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1, main_#t~post296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1.base, main_#t~mem299#1.offset, main_#t~mem300#1.base, main_#t~mem300#1.offset, main_#t~mem301#1.base, main_#t~mem301#1.offset, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1.base, main_#t~mem304#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem305#1.base, main_#t~mem305#1.offset, main_#t~mem306#1, main_#t~post307#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem199#1, main_#t~post200#1, main_#t~mem201#1, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~ite310#1.base, main_#t~ite310#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~short315#1, main_#t~mem316#1.base, main_#t~mem316#1.offset, main_#t~mem317#1.base, main_#t~mem317#1.offset, main_#t~mem318#1.base, main_#t~mem318#1.offset, main_#t~mem319#1, main_#t~mem320#1.base, main_#t~mem320#1.offset, main_#t~mem321#1.base, main_#t~mem321#1.offset, main_#t~mem322#1.base, main_#t~mem322#1.offset, main_#t~mem323#1.base, main_#t~mem323#1.offset, main_#t~mem324#1.base, main_#t~mem324#1.offset, main_#t~mem325#1.base, main_#t~mem325#1.offset, main_#t~mem326#1, main_#t~mem327#1.base, main_#t~mem327#1.offset, main_#t~mem328#1.base, main_#t~mem328#1.offset, main_#t~mem329#1.base, main_#t~mem329#1.offset, main_#t~mem330#1, main_#t~mem331#1.base, main_#t~mem331#1.offset, main_#t~mem332#1.base, main_#t~mem332#1.offset, main_#t~mem333#1.base, main_#t~mem333#1.offset, main_#t~mem334#1.base, main_#t~mem334#1.offset, main_#t~mem335#1.base, main_#t~mem335#1.offset, main_#t~mem336#1, main_#t~mem337#1.base, main_#t~mem337#1.offset, main_#t~mem340#1, main_#t~mem338#1.base, main_#t~mem338#1.offset, main_#t~mem339#1, main_#t~nondet341#1, main_#t~mem342#1.base, main_#t~mem342#1.offset, main_#t~mem343#1.base, main_#t~mem343#1.offset, main_#t~mem344#1, main_#t~post345#1, main_#t~mem346#1.base, main_#t~mem346#1.offset, main_#t~mem347#1.base, main_#t~mem347#1.offset, main_#t~mem348#1.base, main_#t~mem348#1.offset, main_#t~mem349#1.base, main_#t~mem349#1.offset, main_#t~mem350#1.base, main_#t~mem350#1.offset, main_#t~mem351#1.base, main_#t~mem351#1.offset, main_#t~mem352#1.base, main_#t~mem352#1.offset, main_#t~mem353#1.base, main_#t~mem353#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem354#1.base, main_#t~mem354#1.offset, main_#t~mem355#1, main_#t~post356#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite312#1.base, main_#t~ite312#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 9875#L989-4 [2023-11-12 02:31:32,570 INFO L750 eck$LassoCheckResult]: Loop: 9875#L989-4 call main_#t~mem42#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 9869#L989-1 assume !!(main_#t~mem42#1 < 10);havoc main_#t~mem42#1;assume { :begin_inline_real_malloc } true;real_malloc_#in~n#1 := 40;havoc real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;real_malloc_~n#1 := real_malloc_#in~n#1;call real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset := #Ultimate.allocOnHeap(real_malloc_~n#1 % 4294967296);real_malloc_#res#1.base, real_malloc_#res#1.offset := real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; 9863#real_malloc_returnLabel#1 main_#t~ret43#1.base, main_#t~ret43#1.offset := real_malloc_#res#1.base, real_malloc_#res#1.offset;havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset, real_malloc_~n#1;havoc real_malloc_#in~n#1;assume { :end_inline_real_malloc } true;main_~user~0#1.base, main_~user~0#1.offset := main_#t~ret43#1.base, main_#t~ret43#1.offset;havoc main_#t~ret43#1.base, main_#t~ret43#1.offset; 9864#L991 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 9876#L991-2 call main_#t~mem44#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem44#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem44#1;call main_#t~mem45#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem46#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem45#1 * main_#t~mem46#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem45#1;havoc main_#t~mem46#1; 9982#L996-263 havoc main_~_ha_hashv~0#1; 9983#L996-176 goto; 10201#L996-174 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; 9913#L996-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 9914#L996-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch68#1 := 11 == main_~_hj_k~0#1; 10126#L996-73 assume !main_#t~switch68#1; 10127#L996-75 main_#t~switch68#1 := main_#t~switch68#1 || 10 == main_~_hj_k~0#1; 9871#L996-76 assume !main_#t~switch68#1; 9872#L996-78 main_#t~switch68#1 := main_#t~switch68#1 || 9 == main_~_hj_k~0#1; 9962#L996-79 assume !main_#t~switch68#1; 9963#L996-81 main_#t~switch68#1 := main_#t~switch68#1 || 8 == main_~_hj_k~0#1; 9988#L996-82 assume !main_#t~switch68#1; 9956#L996-84 main_#t~switch68#1 := main_#t~switch68#1 || 7 == main_~_hj_k~0#1; 9928#L996-85 assume !main_#t~switch68#1; 9929#L996-87 main_#t~switch68#1 := main_#t~switch68#1 || 6 == main_~_hj_k~0#1; 9957#L996-88 assume !main_#t~switch68#1; 9971#L996-90 main_#t~switch68#1 := main_#t~switch68#1 || 5 == main_~_hj_k~0#1; 10105#L996-91 assume !main_#t~switch68#1; 10106#L996-93 main_#t~switch68#1 := main_#t~switch68#1 || 4 == main_~_hj_k~0#1; 10221#L996-94 assume main_#t~switch68#1;call main_#t~mem76#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~mem76#1 % 256 % 4294967296);havoc main_#t~mem76#1; 10020#L996-96 main_#t~switch68#1 := main_#t~switch68#1 || 3 == main_~_hj_k~0#1; 10021#L996-97 assume main_#t~switch68#1;call main_#t~mem77#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~mem77#1 % 256 % 4294967296);havoc main_#t~mem77#1; 10240#L996-99 main_#t~switch68#1 := main_#t~switch68#1 || 2 == main_~_hj_k~0#1; 10113#L996-100 assume main_#t~switch68#1;call main_#t~mem78#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~mem78#1 % 256 % 4294967296);havoc main_#t~mem78#1; 10111#L996-102 main_#t~switch68#1 := main_#t~switch68#1 || 1 == main_~_hj_k~0#1; 9926#L996-103 assume main_#t~switch68#1;call main_#t~mem79#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~mem79#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem79#1 % 256 % 4294967296 else main_#t~mem79#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem79#1; 9927#L996-105 havoc main_#t~switch68#1; 10095#L996-171 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; 10004#L996-107 assume !(0 == main_~_hj_i~0#1 % 4294967296); 10005#L996-109 assume !(0 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296); 10216#L996-111 assume !(main_~_hj_i~0#1 % 4294967296 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296);assume main_#t~nondet80#1 % 4294967296 <= main_~_hj_i~0#1 % 4294967296 + main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296; 10226#L996-113 main_~_hj_i~0#1 := main_#t~nondet80#1;havoc main_#t~nondet80#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; 10252#L996-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet81#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 10239#L996-120 main_~_hj_j~0#1 := main_#t~nondet81#1;havoc main_#t~nondet81#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; 10249#L996-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet82#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 10162#L996-127 main_~_ha_hashv~0#1 := main_#t~nondet82#1;havoc main_#t~nondet82#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; 10245#L996-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet83#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 9943#L996-134 main_~_hj_i~0#1 := main_#t~nondet83#1;havoc main_#t~nondet83#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; 10035#L996-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet84#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 9992#L996-141 main_~_hj_j~0#1 := main_#t~nondet84#1;havoc main_#t~nondet84#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; 10092#L996-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet85#1 := main_~_hj_j~0#1 % 4294967296 / 32; 10093#L996-148 main_~_ha_hashv~0#1 := main_#t~nondet85#1;havoc main_#t~nondet85#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; 10136#L996-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet86#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 9931#L996-155 main_~_hj_i~0#1 := main_#t~nondet86#1;havoc main_#t~nondet86#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; 9932#L996-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet87#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 10069#L996-162 main_~_hj_j~0#1 := main_#t~nondet87#1;havoc main_#t~nondet87#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; 10189#L996-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet88#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 9858#L996-169 main_~_ha_hashv~0#1 := main_#t~nondet88#1;havoc main_#t~nondet88#1; 9996#L996-170 goto; 9997#L996-172 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; 9975#L996-173 goto; 9976#L996-175 goto; 10195#L996-260 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); 10196#L996-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem104#1.base, main_#t~mem104#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem104#1.base, main_#t~mem104#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem104#1.base, main_#t~mem104#1.offset; 10202#L996-190 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem105#1.base, main_#t~mem105#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem106#1.base, main_#t~mem106#1.offset := read~$Pointer$(main_#t~mem105#1.base, 16 + main_#t~mem105#1.offset, 4);call main_#t~mem107#1.base, main_#t~mem107#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem108#1 := read~int(main_#t~mem107#1.base, 20 + main_#t~mem107#1.offset, 4);call write~$Pointer$(main_#t~mem106#1.base, main_#t~mem106#1.offset - main_#t~mem108#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem105#1.base, main_#t~mem105#1.offset;havoc main_#t~mem106#1.base, main_#t~mem106#1.offset;havoc main_#t~mem107#1.base, main_#t~mem107#1.offset;havoc main_#t~mem108#1;call main_#t~mem109#1.base, main_#t~mem109#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem110#1.base, main_#t~mem110#1.offset := read~$Pointer$(main_#t~mem109#1.base, 16 + main_#t~mem109#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem110#1.base, 8 + main_#t~mem110#1.offset, 4);havoc main_#t~mem109#1.base, main_#t~mem109#1.offset;havoc main_#t~mem110#1.base, main_#t~mem110#1.offset;call main_#t~mem111#1.base, main_#t~mem111#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~mem111#1.base, 16 + main_#t~mem111#1.offset, 4);havoc main_#t~mem111#1.base, main_#t~mem111#1.offset; 10215#L996-189 goto; 10019#L996-258 havoc main_~_ha_bkt~0#1;call main_#t~mem112#1.base, main_#t~mem112#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem113#1 := read~int(main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);main_#t~post114#1 := main_#t~mem113#1;call write~int(1 + main_#t~post114#1, main_#t~mem112#1.base, 12 + main_#t~mem112#1.offset, 4);havoc main_#t~mem112#1.base, main_#t~mem112#1.offset;havoc main_#t~mem113#1;havoc main_#t~post114#1; 10129#L996-199 call main_#t~mem115#1.base, main_#t~mem115#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem116#1 := read~int(main_#t~mem115#1.base, 4 + main_#t~mem115#1.offset, 4); 10057#L996-193 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem116#1 - 1) % 4294967296;main_#t~nondet117#1 := 0; 10058#L996-197 main_~_ha_bkt~0#1 := main_#t~nondet117#1;havoc main_#t~mem115#1.base, main_#t~mem115#1.offset;havoc main_#t~mem116#1;havoc main_#t~nondet117#1; 10084#L996-198 goto; 10187#L996-255 call main_#t~mem118#1.base, main_#t~mem118#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem119#1.base, main_#t~mem119#1.offset := read~$Pointer$(main_#t~mem118#1.base, main_#t~mem118#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem119#1.base, main_#t~mem119#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~mem118#1.base, main_#t~mem118#1.offset;havoc main_#t~mem119#1.base, main_#t~mem119#1.offset;call main_#t~mem120#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post121#1 := main_#t~mem120#1;call write~int(1 + main_#t~post121#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem120#1;havoc main_#t~post121#1;call main_#t~mem122#1.base, main_#t~mem122#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem122#1.base, main_#t~mem122#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem122#1.base, main_#t~mem122#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem123#1.base, main_#t~mem123#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 9960#L996-201 assume !(main_#t~mem123#1.base != 0 || main_#t~mem123#1.offset != 0);havoc main_#t~mem123#1.base, main_#t~mem123#1.offset; 9961#L996-203 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~mem126#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem125#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short129#1 := main_#t~mem126#1 % 4294967296 >= 10 * (1 + main_#t~mem125#1) % 4294967296; 9924#L996-204 assume main_#t~short129#1;call main_#t~mem127#1.base, main_#t~mem127#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem128#1 := read~int(main_#t~mem127#1.base, 36 + main_#t~mem127#1.offset, 4);main_#t~short129#1 := 0 == main_#t~mem128#1 % 4294967296; 9925#L996-206 assume !main_#t~short129#1;havoc main_#t~mem126#1;havoc main_#t~mem125#1;havoc main_#t~mem127#1.base, main_#t~mem127#1.offset;havoc main_#t~mem128#1;havoc main_#t~short129#1; 10164#L996-253 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 10205#L996-254 goto; 10243#L996-256 havoc main_~_ha_bkt~0#1; 10244#L996-257 goto; 10234#L996-259 goto; 9896#L996-261 havoc main_~_ha_hashv~0#1; 9897#L996-262 goto; 10009#L989-3 call main_#t~mem40#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post41#1 := main_#t~mem40#1;call write~int(1 + main_#t~post41#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem40#1;havoc main_#t~post41#1; 9875#L989-4 [2023-11-12 02:31:32,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:32,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 10 times [2023-11-12 02:31:32,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:32,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152394734] [2023-11-12 02:31:32,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:32,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:32,587 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:31:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:32,606 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:31:32,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:32,608 INFO L85 PathProgramCache]: Analyzing trace with hash -423840979, now seen corresponding path program 1 times [2023-11-12 02:31:32,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:32,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773209546] [2023-11-12 02:31:32,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:32,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:32,653 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:31:32,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1628014086] [2023-11-12 02:31:32,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:32,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:31:32,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:31:32,690 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:31:32,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4339035-b43b-499f-a157-c9a9d75fe204/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-12 02:31:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:33,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-12 02:31:33,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:31:45,884 WARN L293 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-12 02:31:58,292 WARN L293 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-12 02:32:10,336 WARN L293 SmtUtils]: Spent 12.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)