./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya --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 8bb47039b70660cfe333b6887d0f99d94255697a030b075b004d2298d7cf4777 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:21:58,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:21:58,948 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-29 06:21:58,952 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:21:58,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:21:58,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:21:58,978 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:21:58,979 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:21:58,980 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:21:58,980 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:21:58,981 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:21:58,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:21:58,982 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:21:58,983 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 06:21:58,983 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 06:21:58,984 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 06:21:58,984 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 06:21:58,985 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 06:21:58,985 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 06:21:58,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:21:58,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 06:21:58,988 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:21:58,989 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:21:58,989 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:21:58,990 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:21:58,990 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 06:21:58,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 06:21:58,991 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 06:21:58,992 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:21:58,992 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:21:58,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:21:58,993 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 06:21:58,993 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:21:58,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:21:58,993 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:21:58,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:21:58,994 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:21:58,995 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 06:21:58,995 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_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8bb47039b70660cfe333b6887d0f99d94255697a030b075b004d2298d7cf4777 [2023-11-29 06:21:59,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:21:59,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:21:59,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:21:59,252 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:21:59,252 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:21:59,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i [2023-11-29 06:22:01,967 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:22:02,284 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:22:02,284 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i [2023-11-29 06:22:02,307 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/data/8e071385e/7a11196cf44049fdb406f26e35c58a29/FLAGef38411f1 [2023-11-29 06:22:02,322 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/data/8e071385e/7a11196cf44049fdb406f26e35c58a29 [2023-11-29 06:22:02,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:22:02,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:22:02,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:22:02,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:22:02,333 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:22:02,334 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:22:02" (1/1) ... [2023-11-29 06:22:02,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b47df3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:02, skipping insertion in model container [2023-11-29 06:22:02,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:22:02" (1/1) ... [2023-11-29 06:22:02,441 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:22:03,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:22:03,093 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:22:03,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:22:03,282 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:22:03,290 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:22:03,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:03 WrapperNode [2023-11-29 06:22:03,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:22:03,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:22:03,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:22:03,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:22:03,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:03" (1/1) ... [2023-11-29 06:22:03,340 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:03" (1/1) ... [2023-11-29 06:22:03,505 INFO L138 Inliner]: procedures = 177, calls = 732, calls flagged for inlining = 505, calls inlined = 1004, statements flattened = 6190 [2023-11-29 06:22:03,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:22:03,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:22:03,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:22:03,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:22:03,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:03" (1/1) ... [2023-11-29 06:22:03,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:03" (1/1) ... [2023-11-29 06:22:03,536 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:03" (1/1) ... [2023-11-29 06:22:03,605 INFO L175 MemorySlicer]: Split 213 memory accesses to 4 slices as follows [2, 5, 34, 172]. 81 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 47 writes are split as follows [0, 1, 4, 42]. [2023-11-29 06:22:03,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:03" (1/1) ... [2023-11-29 06:22:03,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:03" (1/1) ... [2023-11-29 06:22:03,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:03" (1/1) ... [2023-11-29 06:22:03,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:03" (1/1) ... [2023-11-29 06:22:03,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:03" (1/1) ... [2023-11-29 06:22:03,782 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:03" (1/1) ... [2023-11-29 06:22:03,809 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:22:03,810 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:22:03,810 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:22:03,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:22:03,811 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:03" (1/1) ... [2023-11-29 06:22:03,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:22:03,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:22:03,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:22:03,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 06:22:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 06:22:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 06:22:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 06:22:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 06:22:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 06:22:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 06:22:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 06:22:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 06:22:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-29 06:22:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-29 06:22:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-29 06:22:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-29 06:22:03,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-29 06:22:03,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-29 06:22:03,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-29 06:22:03,879 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-29 06:22:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 06:22:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:22:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 06:22:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 06:22:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 06:22:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 06:22:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:22:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-29 06:22:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 06:22:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 06:22:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 06:22:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 06:22:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:22:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:22:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 06:22:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 06:22:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 06:22:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:22:03,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:22:04,069 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:22:04,071 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:22:04,074 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 06:22:04,118 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 06:22:04,138 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 06:22:04,155 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 06:22:07,813 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:22:07,850 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:22:07,850 INFO L309 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-29 06:22:07,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:22:07 BoogieIcfgContainer [2023-11-29 06:22:07,853 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:22:07,854 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 06:22:07,854 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 06:22:07,857 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 06:22:07,858 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:22:07,858 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 06:22:02" (1/3) ... [2023-11-29 06:22:07,859 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56be2f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:22:07, skipping insertion in model container [2023-11-29 06:22:07,859 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:22:07,859 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:03" (2/3) ... [2023-11-29 06:22:07,860 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56be2f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:22:07, skipping insertion in model container [2023-11-29 06:22:07,860 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:22:07,860 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:22:07" (3/3) ... [2023-11-29 06:22:07,861 INFO L332 chiAutomizerObserver]: Analyzing ICFG uthash_JEN_test9-1.i [2023-11-29 06:22:07,960 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 06:22:07,960 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 06:22:07,960 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 06:22:07,960 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 06:22:07,960 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 06:22:07,960 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 06:22:07,961 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 06:22:07,961 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 06:22:07,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2825 states, 2820 states have (on average 1.6106382978723404) internal successors, (4542), 2820 states have internal predecessors, (4542), 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) [2023-11-29 06:22:08,060 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 2814 [2023-11-29 06:22:08,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:22:08,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:22:08,067 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:22:08,067 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-29 06:22:08,067 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 06:22:08,075 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2825 states, 2820 states have (on average 1.6106382978723404) internal successors, (4542), 2820 states have internal predecessors, (4542), 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) [2023-11-29 06:22:08,110 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 2814 [2023-11-29 06:22:08,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:22:08,110 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:22:08,111 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:22:08,111 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-29 06:22:08,118 INFO L748 eck$LassoCheckResult]: Stem: 200#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 2692#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~switch33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#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~malloc54#1.base, main_#t~malloc54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~memset~res57#1.base, main_#t~memset~res57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~malloc63#1.base, main_#t~malloc63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~memset~res70#1.base, main_#t~memset~res70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1, main_#t~post81#1, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1, main_#t~nondet84#1, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~post88#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem93#1, main_#t~mem92#1, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1, main_#t~short96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~malloc99#1.base, main_#t~malloc99#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, main_#t~memset~res104#1.base, main_#t~memset~res104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem114#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~nondet115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem126#1, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1, main_#t~nondet127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~pre130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~post135#1, main_#t~mem139#1, main_#t~mem137#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem138#1, main_#t~mem140#1, main_#t~post141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~post117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1.base, main_#t~mem146#1.offset, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1, main_#t~post151#1, 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~ite161#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_#t~mem160#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_#t~mem163#1, main_#t~mem164#1.base, main_#t~mem164#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~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem168#1, main_#t~mem167#1, main_#t~mem169#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem171#1, main_#t~mem173#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem175#1, main_#t~mem177#1, main_#t~mem178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~nondet187#1, main_#t~switch188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~mem199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_#t~nondet208#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~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1, main_#t~nondet211#1, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1, main_#t~mem220#1, main_#t~mem221#1, main_#t~short222#1, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~ret224#1, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem165#1, main_#t~mem166#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 2722#L2220-4true [2023-11-29 06:22:08,119 INFO L750 eck$LassoCheckResult]: Loop: 2722#L2220-4true call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 1550#L2220-1true assume !!(main_#t~mem7#1 < 1000);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 1001#L2222true assume main_~user~0#1.base == 0 && main_~user~0#1.offset == 0;assume false; 597#L2222-2true call main_#t~mem9#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 541#L2227-269true assume !true; 2516#L2220-3true call main_#t~mem5#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#2(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 2722#L2220-4true [2023-11-29 06:22:08,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:22:08,124 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 1 times [2023-11-29 06:22:08,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:22:08,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226730142] [2023-11-29 06:22:08,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:08,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:22:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:22:08,240 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:22:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:22:08,287 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:22:08,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:22:08,290 INFO L85 PathProgramCache]: Analyzing trace with hash 2134899084, now seen corresponding path program 1 times [2023-11-29 06:22:08,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:22:08,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948397219] [2023-11-29 06:22:08,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:08,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:22:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:22:08,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:22:08,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948397219] [2023-11-29 06:22:08,330 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 06:22:08,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583382448] [2023-11-29 06:22:08,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:08,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:22:08,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:22:08,340 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:22:08,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 06:22:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:22:08,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 06:22:08,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:22:08,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:22:08,483 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:22:08,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583382448] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:22:08,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:22:08,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:22:08,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865562145] [2023-11-29 06:22:08,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:22:08,489 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 06:22:08,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:22:08,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:22:08,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:22:08,529 INFO L87 Difference]: Start difference. First operand has 2825 states, 2820 states have (on average 1.6106382978723404) internal successors, (4542), 2820 states have internal predecessors, (4542), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:22:08,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:22:08,642 INFO L93 Difference]: Finished difference Result 2324 states and 2987 transitions. [2023-11-29 06:22:08,644 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2324 states and 2987 transitions. [2023-11-29 06:22:08,674 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1812 [2023-11-29 06:22:08,703 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2324 states to 1819 states and 2482 transitions. [2023-11-29 06:22:08,704 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1819 [2023-11-29 06:22:08,707 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1819 [2023-11-29 06:22:08,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1819 states and 2482 transitions. [2023-11-29 06:22:08,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:22:08,718 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1819 states and 2482 transitions. [2023-11-29 06:22:08,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states and 2482 transitions. [2023-11-29 06:22:08,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1819. [2023-11-29 06:22:08,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1819 states, 1815 states have (on average 1.3641873278236916) internal successors, (2476), 1814 states have internal predecessors, (2476), 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) [2023-11-29 06:22:08,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1819 states and 2482 transitions. [2023-11-29 06:22:08,821 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1819 states and 2482 transitions. [2023-11-29 06:22:08,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:22:08,825 INFO L428 stractBuchiCegarLoop]: Abstraction has 1819 states and 2482 transitions. [2023-11-29 06:22:08,826 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 06:22:08,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1819 states and 2482 transitions. [2023-11-29 06:22:08,836 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1812 [2023-11-29 06:22:08,836 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:22:08,836 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:22:08,838 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:22:08,838 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:22:08,839 INFO L748 eck$LassoCheckResult]: Stem: 5406#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 5407#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~switch33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#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~malloc54#1.base, main_#t~malloc54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~memset~res57#1.base, main_#t~memset~res57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~malloc63#1.base, main_#t~malloc63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~memset~res70#1.base, main_#t~memset~res70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1, main_#t~post81#1, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1, main_#t~nondet84#1, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~post88#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem93#1, main_#t~mem92#1, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1, main_#t~short96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~malloc99#1.base, main_#t~malloc99#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, main_#t~memset~res104#1.base, main_#t~memset~res104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem114#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~nondet115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem126#1, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1, main_#t~nondet127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~pre130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~post135#1, main_#t~mem139#1, main_#t~mem137#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem138#1, main_#t~mem140#1, main_#t~post141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~post117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1.base, main_#t~mem146#1.offset, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1, main_#t~post151#1, 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~ite161#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_#t~mem160#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_#t~mem163#1, main_#t~mem164#1.base, main_#t~mem164#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~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem168#1, main_#t~mem167#1, main_#t~mem169#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem171#1, main_#t~mem173#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem175#1, main_#t~mem177#1, main_#t~mem178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~nondet187#1, main_#t~switch188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~mem199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_#t~nondet208#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~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1, main_#t~nondet211#1, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1, main_#t~mem220#1, main_#t~mem221#1, main_#t~short222#1, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~ret224#1, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem165#1, main_#t~mem166#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 6971#L2220-4 [2023-11-29 06:22:08,841 INFO L750 eck$LassoCheckResult]: Loop: 6971#L2220-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 6643#L2220-1 assume !!(main_#t~mem7#1 < 1000);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 6273#L2222 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 5891#L2222-2 call main_#t~mem9#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 5824#L2227-269 havoc main_~_ha_hashv~0#1; 5825#L2227-176 goto; 6951#L2227-174 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; 6020#L2227-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 6853#L2227-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 6008#L2227-73 assume main_#t~switch33#1;call main_#t~mem34#1 := read~int#3(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~mem34#1 % 256 % 4294967296);havoc main_#t~mem34#1; 6009#L2227-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 5560#L2227-76 assume !main_#t~switch33#1; 5561#L2227-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 5904#L2227-79 assume main_#t~switch33#1;call main_#t~mem36#1 := read~int#3(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~mem36#1 % 256 % 4294967296);havoc main_#t~mem36#1; 5905#L2227-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 6502#L2227-82 assume main_#t~switch33#1;call main_#t~mem37#1 := read~int#3(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~mem37#1 % 256 % 4294967296);havoc main_#t~mem37#1; 6765#L2227-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 6894#L2227-85 assume main_#t~switch33#1;call main_#t~mem38#1 := read~int#3(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~mem38#1 % 256 % 4294967296);havoc main_#t~mem38#1; 6255#L2227-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 6256#L2227-88 assume main_#t~switch33#1;call main_#t~mem39#1 := read~int#3(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~mem39#1 % 256 % 4294967296);havoc main_#t~mem39#1; 6287#L2227-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 6288#L2227-91 assume main_#t~switch33#1;call main_#t~mem40#1 := read~int#3(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~mem40#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem40#1 % 256 % 4294967296 else main_#t~mem40#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem40#1; 6884#L2227-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 6885#L2227-94 assume main_#t~switch33#1;call main_#t~mem41#1 := read~int#3(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~mem41#1 % 256 % 4294967296);havoc main_#t~mem41#1; 6471#L2227-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 6472#L2227-97 assume !main_#t~switch33#1; 5796#L2227-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 5797#L2227-100 assume main_#t~switch33#1;call main_#t~mem43#1 := read~int#3(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~mem43#1 % 256 % 4294967296);havoc main_#t~mem43#1; 6764#L2227-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 6162#L2227-103 assume main_#t~switch33#1;call main_#t~mem44#1 := read~int#3(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~mem44#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem44#1 % 256 % 4294967296 else main_#t~mem44#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem44#1; 5913#L2227-105 havoc main_#t~switch33#1; 5914#L2227-171 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; 6046#L2227-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet45#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 6332#L2227-113 main_~_hj_i~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#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; 6733#L2227-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet46#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 5756#L2227-120 main_~_hj_j~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#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; 6032#L2227-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet47#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 5318#L2227-127 main_~_ha_hashv~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 5319#L2227-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet48#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 6058#L2227-134 main_~_hj_i~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#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; 6557#L2227-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 5668#L2227-141 main_~_hj_j~0#1 := main_#t~nondet49#1;havoc main_#t~nondet49#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; 5586#L2227-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet50#1 := main_~_hj_j~0#1 % 4294967296 / 32; 5587#L2227-148 main_~_ha_hashv~0#1 := main_#t~nondet50#1;havoc main_#t~nondet50#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; 6794#L2227-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 6153#L2227-155 main_~_hj_i~0#1 := main_#t~nondet51#1;havoc main_#t~nondet51#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; 5435#L2227-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 5437#L2227-162 main_~_hj_j~0#1 := main_#t~nondet52#1;havoc main_#t~nondet52#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; 6949#L2227-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 6120#L2227-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 6121#L2227-170 goto; 6934#L2227-172 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; 6005#L2227-173 goto; 6006#L2227-175 goto; 6496#L2227-266 call write~int#3(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$#3(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#3(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 6453#L2227-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem71#1.base, main_#t~mem71#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset; 5809#L2227-194 call write~$Pointer$#3(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$#3(main_#t~mem72#1.base, 16 + main_#t~mem72#1.offset, 4);call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int#3(main_#t~mem74#1.base, 20 + main_#t~mem74#1.offset, 4);call write~$Pointer$#3(main_#t~mem73#1.base, main_#t~mem73#1.offset - main_#t~mem75#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;havoc main_#t~mem73#1.base, main_#t~mem73#1.offset;havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;call main_#t~mem76#1.base, main_#t~mem76#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$#3(main_#t~mem76#1.base, 16 + main_#t~mem76#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem77#1.base, 8 + main_#t~mem77#1.offset, 4);havoc main_#t~mem76#1.base, main_#t~mem76#1.offset;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;call main_#t~mem78#1.base, main_#t~mem78#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem78#1.base, 16 + main_#t~mem78#1.offset, 4);havoc main_#t~mem78#1.base, main_#t~mem78#1.offset; 5810#L2227-193 goto; 5835#L2227-264 havoc main_~_ha_bkt~0#1;call main_#t~mem79#1.base, main_#t~mem79#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem80#1 := read~int#3(main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);main_#t~post81#1 := main_#t~mem80#1;call write~int#3(1 + main_#t~post81#1, main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);havoc main_#t~mem79#1.base, main_#t~mem79#1.offset;havoc main_#t~mem80#1;havoc main_#t~post81#1; 6926#L2227-203 call main_#t~mem82#1.base, main_#t~mem82#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem83#1 := read~int#3(main_#t~mem82#1.base, 4 + main_#t~mem82#1.offset, 4); 6945#L2227-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 6128#L2227-201 main_~_ha_bkt~0#1 := main_#t~nondet84#1;havoc main_#t~mem82#1.base, main_#t~mem82#1.offset;havoc main_#t~mem83#1;havoc main_#t~nondet84#1; 6064#L2227-202 goto; 6065#L2227-261 call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$#3(main_#t~mem85#1.base, main_#t~mem85#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem86#1.base, main_#t~mem86#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~mem85#1.base, main_#t~mem85#1.offset;havoc main_#t~mem86#1.base, main_#t~mem86#1.offset;call main_#t~mem87#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post88#1 := main_#t~mem87#1;call write~int#3(1 + main_#t~post88#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem87#1;havoc main_#t~post88#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem89#1.base, main_#t~mem89#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;call write~$Pointer$#3(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem90#1.base, main_#t~mem90#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 6280#L2227-205 assume main_#t~mem90#1.base != 0 || main_#t~mem90#1.offset != 0;havoc main_#t~mem90#1.base, main_#t~mem90#1.offset;call main_#t~mem91#1.base, main_#t~mem91#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem91#1.base, 12 + main_#t~mem91#1.offset, 4);havoc main_#t~mem91#1.base, main_#t~mem91#1.offset; 6281#L2227-207 call write~$Pointer$#3(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~mem93#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem92#1 := read~int#3(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short96#1 := main_#t~mem93#1 % 4294967296 >= 10 * (1 + main_#t~mem92#1) % 4294967296; 5806#L2227-208 assume main_#t~short96#1;call main_#t~mem94#1.base, main_#t~mem94#1.offset := read~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem95#1 := read~int#3(main_#t~mem94#1.base, 36 + main_#t~mem94#1.offset, 4);main_#t~short96#1 := 0 == main_#t~mem95#1 % 4294967296; 5807#L2227-210 assume !main_#t~short96#1;havoc main_#t~mem93#1;havoc main_#t~mem92#1;havoc main_#t~mem94#1.base, main_#t~mem94#1.offset;havoc main_#t~mem95#1;havoc main_#t~short96#1; 5715#L2227-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 5716#L2227-260 goto; 5244#L2227-262 havoc main_~_ha_bkt~0#1; 5245#L2227-263 goto; 6694#L2227-265 goto; 6695#L2227-267 havoc main_~_ha_hashv~0#1; 6702#L2227-268 goto; 6969#L2220-3 call main_#t~mem5#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#2(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 6971#L2220-4 [2023-11-29 06:22:08,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:22:08,842 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 2 times [2023-11-29 06:22:08,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:22:08,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786903951] [2023-11-29 06:22:08,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:08,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:22:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:22:08,863 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:22:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:22:08,886 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:22:08,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:22:08,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1198917207, now seen corresponding path program 1 times [2023-11-29 06:22:08,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:22:08,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874140004] [2023-11-29 06:22:08,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:08,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:22:08,960 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:22:08,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1093186064] [2023-11-29 06:22:08,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:08,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:22:08,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:22:08,983 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:22:08,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 06:22:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:22:09,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:22:09,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:22:09,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:22:09,304 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:22:09,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:22:09,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874140004] [2023-11-29 06:22:09,305 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:22:09,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093186064] [2023-11-29 06:22:09,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1093186064] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:22:09,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:22:09,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:22:09,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983755090] [2023-11-29 06:22:09,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:22:09,307 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 06:22:09,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:22:09,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:22:09,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:22:09,308 INFO L87 Difference]: Start difference. First operand 1819 states and 2482 transitions. cyclomatic complexity: 666 Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:22:09,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:22:09,443 INFO L93 Difference]: Finished difference Result 1840 states and 2503 transitions. [2023-11-29 06:22:09,443 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1840 states and 2503 transitions. [2023-11-29 06:22:09,457 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1833 [2023-11-29 06:22:09,474 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1840 states to 1840 states and 2503 transitions. [2023-11-29 06:22:09,474 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1840 [2023-11-29 06:22:09,477 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1840 [2023-11-29 06:22:09,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1840 states and 2503 transitions. [2023-11-29 06:22:09,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:22:09,481 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1840 states and 2503 transitions. [2023-11-29 06:22:09,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states and 2503 transitions. [2023-11-29 06:22:09,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1839. [2023-11-29 06:22:09,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1839 states, 1835 states have (on average 1.3602179836512263) internal successors, (2496), 1834 states have internal predecessors, (2496), 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) [2023-11-29 06:22:09,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1839 states and 2502 transitions. [2023-11-29 06:22:09,523 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1839 states and 2502 transitions. [2023-11-29 06:22:09,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:22:09,525 INFO L428 stractBuchiCegarLoop]: Abstraction has 1839 states and 2502 transitions. [2023-11-29 06:22:09,525 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 06:22:09,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1839 states and 2502 transitions. [2023-11-29 06:22:09,533 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1832 [2023-11-29 06:22:09,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:22:09,533 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:22:09,534 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:22:09,535 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:22:09,535 INFO L748 eck$LassoCheckResult]: Stem: 9296#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 9297#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~switch33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#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~malloc54#1.base, main_#t~malloc54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~memset~res57#1.base, main_#t~memset~res57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~malloc63#1.base, main_#t~malloc63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~memset~res70#1.base, main_#t~memset~res70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1, main_#t~post81#1, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1, main_#t~nondet84#1, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~post88#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem93#1, main_#t~mem92#1, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1, main_#t~short96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~malloc99#1.base, main_#t~malloc99#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, main_#t~memset~res104#1.base, main_#t~memset~res104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem114#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~nondet115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem126#1, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1, main_#t~nondet127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~pre130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~post135#1, main_#t~mem139#1, main_#t~mem137#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem138#1, main_#t~mem140#1, main_#t~post141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~post117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1.base, main_#t~mem146#1.offset, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1, main_#t~post151#1, 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~ite161#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_#t~mem160#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_#t~mem163#1, main_#t~mem164#1.base, main_#t~mem164#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~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem168#1, main_#t~mem167#1, main_#t~mem169#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem171#1, main_#t~mem173#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem175#1, main_#t~mem177#1, main_#t~mem178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~nondet187#1, main_#t~switch188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~mem199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_#t~nondet208#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~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1, main_#t~nondet211#1, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1, main_#t~mem220#1, main_#t~mem221#1, main_#t~short222#1, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~ret224#1, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem165#1, main_#t~mem166#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 10863#L2220-4 [2023-11-29 06:22:09,535 INFO L750 eck$LassoCheckResult]: Loop: 10863#L2220-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 10534#L2220-1 assume !!(main_#t~mem7#1 < 1000);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 10164#L2222 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 9781#L2222-2 call main_#t~mem9#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 9714#L2227-269 havoc main_~_ha_hashv~0#1; 9715#L2227-176 goto; 10843#L2227-174 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; 9911#L2227-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 10744#L2227-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 9898#L2227-73 assume main_#t~switch33#1;call main_#t~mem34#1 := read~int#3(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~mem34#1 % 256 % 4294967296);havoc main_#t~mem34#1; 9899#L2227-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 9450#L2227-76 assume main_#t~switch33#1;call main_#t~mem35#1 := read~int#3(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~mem35#1 % 256 % 4294967296);havoc main_#t~mem35#1; 9451#L2227-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 9794#L2227-79 assume main_#t~switch33#1;call main_#t~mem36#1 := read~int#3(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~mem36#1 % 256 % 4294967296);havoc main_#t~mem36#1; 9795#L2227-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 10393#L2227-82 assume main_#t~switch33#1;call main_#t~mem37#1 := read~int#3(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~mem37#1 % 256 % 4294967296);havoc main_#t~mem37#1; 10656#L2227-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 10785#L2227-85 assume main_#t~switch33#1;call main_#t~mem38#1 := read~int#3(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~mem38#1 % 256 % 4294967296);havoc main_#t~mem38#1; 10786#L2227-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 10879#L2227-88 assume main_#t~switch33#1;call main_#t~mem39#1 := read~int#3(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~mem39#1 % 256 % 4294967296);havoc main_#t~mem39#1; 10181#L2227-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 10182#L2227-91 assume main_#t~switch33#1;call main_#t~mem40#1 := read~int#3(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~mem40#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem40#1 % 256 % 4294967296 else main_#t~mem40#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem40#1; 10775#L2227-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 10776#L2227-94 assume main_#t~switch33#1;call main_#t~mem41#1 := read~int#3(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~mem41#1 % 256 % 4294967296);havoc main_#t~mem41#1; 10362#L2227-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 10363#L2227-97 assume main_#t~switch33#1;call main_#t~mem42#1 := read~int#3(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~mem42#1 % 256 % 4294967296);havoc main_#t~mem42#1; 9686#L2227-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 9687#L2227-100 assume main_#t~switch33#1;call main_#t~mem43#1 := read~int#3(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~mem43#1 % 256 % 4294967296);havoc main_#t~mem43#1; 10655#L2227-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 10053#L2227-103 assume main_#t~switch33#1;call main_#t~mem44#1 := read~int#3(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~mem44#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem44#1 % 256 % 4294967296 else main_#t~mem44#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem44#1; 9803#L2227-105 havoc main_#t~switch33#1; 9804#L2227-171 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; 9937#L2227-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet45#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 10223#L2227-113 main_~_hj_i~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#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; 10624#L2227-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet46#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 9646#L2227-120 main_~_hj_j~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#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; 9923#L2227-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet47#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 9208#L2227-127 main_~_ha_hashv~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 9209#L2227-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet48#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 9949#L2227-134 main_~_hj_i~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#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; 10448#L2227-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 9558#L2227-141 main_~_hj_j~0#1 := main_#t~nondet49#1;havoc main_#t~nondet49#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; 9476#L2227-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet50#1 := main_~_hj_j~0#1 % 4294967296 / 32; 9477#L2227-148 main_~_ha_hashv~0#1 := main_#t~nondet50#1;havoc main_#t~nondet50#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; 10685#L2227-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 10044#L2227-155 main_~_hj_i~0#1 := main_#t~nondet51#1;havoc main_#t~nondet51#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; 9325#L2227-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 9327#L2227-162 main_~_hj_j~0#1 := main_#t~nondet52#1;havoc main_#t~nondet52#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; 10841#L2227-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 10011#L2227-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 10012#L2227-170 goto; 10826#L2227-172 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; 9895#L2227-173 goto; 9896#L2227-175 goto; 10387#L2227-266 call write~int#3(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$#3(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#3(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 10344#L2227-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem71#1.base, main_#t~mem71#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset; 9699#L2227-194 call write~$Pointer$#3(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$#3(main_#t~mem72#1.base, 16 + main_#t~mem72#1.offset, 4);call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int#3(main_#t~mem74#1.base, 20 + main_#t~mem74#1.offset, 4);call write~$Pointer$#3(main_#t~mem73#1.base, main_#t~mem73#1.offset - main_#t~mem75#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;havoc main_#t~mem73#1.base, main_#t~mem73#1.offset;havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;call main_#t~mem76#1.base, main_#t~mem76#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$#3(main_#t~mem76#1.base, 16 + main_#t~mem76#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem77#1.base, 8 + main_#t~mem77#1.offset, 4);havoc main_#t~mem76#1.base, main_#t~mem76#1.offset;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;call main_#t~mem78#1.base, main_#t~mem78#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem78#1.base, 16 + main_#t~mem78#1.offset, 4);havoc main_#t~mem78#1.base, main_#t~mem78#1.offset; 9700#L2227-193 goto; 9725#L2227-264 havoc main_~_ha_bkt~0#1;call main_#t~mem79#1.base, main_#t~mem79#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem80#1 := read~int#3(main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);main_#t~post81#1 := main_#t~mem80#1;call write~int#3(1 + main_#t~post81#1, main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);havoc main_#t~mem79#1.base, main_#t~mem79#1.offset;havoc main_#t~mem80#1;havoc main_#t~post81#1; 10818#L2227-203 call main_#t~mem82#1.base, main_#t~mem82#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem83#1 := read~int#3(main_#t~mem82#1.base, 4 + main_#t~mem82#1.offset, 4); 10837#L2227-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 10019#L2227-201 main_~_ha_bkt~0#1 := main_#t~nondet84#1;havoc main_#t~mem82#1.base, main_#t~mem82#1.offset;havoc main_#t~mem83#1;havoc main_#t~nondet84#1; 9955#L2227-202 goto; 9956#L2227-261 call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$#3(main_#t~mem85#1.base, main_#t~mem85#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem86#1.base, main_#t~mem86#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~mem85#1.base, main_#t~mem85#1.offset;havoc main_#t~mem86#1.base, main_#t~mem86#1.offset;call main_#t~mem87#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post88#1 := main_#t~mem87#1;call write~int#3(1 + main_#t~post88#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem87#1;havoc main_#t~post88#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem89#1.base, main_#t~mem89#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;call write~$Pointer$#3(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem90#1.base, main_#t~mem90#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 10171#L2227-205 assume main_#t~mem90#1.base != 0 || main_#t~mem90#1.offset != 0;havoc main_#t~mem90#1.base, main_#t~mem90#1.offset;call main_#t~mem91#1.base, main_#t~mem91#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem91#1.base, 12 + main_#t~mem91#1.offset, 4);havoc main_#t~mem91#1.base, main_#t~mem91#1.offset; 10172#L2227-207 call write~$Pointer$#3(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~mem93#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem92#1 := read~int#3(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short96#1 := main_#t~mem93#1 % 4294967296 >= 10 * (1 + main_#t~mem92#1) % 4294967296; 9696#L2227-208 assume main_#t~short96#1;call main_#t~mem94#1.base, main_#t~mem94#1.offset := read~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem95#1 := read~int#3(main_#t~mem94#1.base, 36 + main_#t~mem94#1.offset, 4);main_#t~short96#1 := 0 == main_#t~mem95#1 % 4294967296; 9697#L2227-210 assume !main_#t~short96#1;havoc main_#t~mem93#1;havoc main_#t~mem92#1;havoc main_#t~mem94#1.base, main_#t~mem94#1.offset;havoc main_#t~mem95#1;havoc main_#t~short96#1; 9605#L2227-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 9606#L2227-260 goto; 9134#L2227-262 havoc main_~_ha_bkt~0#1; 9135#L2227-263 goto; 10585#L2227-265 goto; 10586#L2227-267 havoc main_~_ha_hashv~0#1; 10593#L2227-268 goto; 10861#L2220-3 call main_#t~mem5#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#2(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 10863#L2220-4 [2023-11-29 06:22:09,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:22:09,536 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 3 times [2023-11-29 06:22:09,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:22:09,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062303152] [2023-11-29 06:22:09,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:09,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:22:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:22:09,553 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:22:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:22:09,569 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:22:09,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:22:09,570 INFO L85 PathProgramCache]: Analyzing trace with hash 618715859, now seen corresponding path program 1 times [2023-11-29 06:22:09,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:22:09,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367261105] [2023-11-29 06:22:09,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:09,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:22:09,645 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:22:09,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2055366250] [2023-11-29 06:22:09,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:09,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:22:09,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:22:09,652 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:22:09,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 06:22:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:22:09,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:22:09,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:22:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:22:09,957 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:22:09,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:22:09,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367261105] [2023-11-29 06:22:09,958 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:22:09,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055366250] [2023-11-29 06:22:09,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055366250] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:22:09,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:22:09,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:22:09,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806117848] [2023-11-29 06:22:09,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:22:09,959 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 06:22:09,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:22:09,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:22:09,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:22:09,960 INFO L87 Difference]: Start difference. First operand 1839 states and 2502 transitions. cyclomatic complexity: 666 Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:22:10,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:22:10,101 INFO L93 Difference]: Finished difference Result 1826 states and 2482 transitions. [2023-11-29 06:22:10,101 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1826 states and 2482 transitions. [2023-11-29 06:22:10,114 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1819 [2023-11-29 06:22:10,130 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1826 states to 1826 states and 2482 transitions. [2023-11-29 06:22:10,130 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1826 [2023-11-29 06:22:10,133 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1826 [2023-11-29 06:22:10,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1826 states and 2482 transitions. [2023-11-29 06:22:10,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:22:10,136 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1826 states and 2482 transitions. [2023-11-29 06:22:10,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states and 2482 transitions. [2023-11-29 06:22:10,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1825. [2023-11-29 06:22:10,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1825 states, 1821 states have (on average 1.3591433278418452) internal successors, (2475), 1820 states have internal predecessors, (2475), 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) [2023-11-29 06:22:10,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 2481 transitions. [2023-11-29 06:22:10,176 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1825 states and 2481 transitions. [2023-11-29 06:22:10,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:22:10,178 INFO L428 stractBuchiCegarLoop]: Abstraction has 1825 states and 2481 transitions. [2023-11-29 06:22:10,178 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 06:22:10,178 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1825 states and 2481 transitions. [2023-11-29 06:22:10,185 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1818 [2023-11-29 06:22:10,186 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:22:10,186 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:22:10,187 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:22:10,187 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:22:10,187 INFO L748 eck$LassoCheckResult]: Stem: 13195#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 13196#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~switch33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#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~malloc54#1.base, main_#t~malloc54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~memset~res57#1.base, main_#t~memset~res57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~malloc63#1.base, main_#t~malloc63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~memset~res70#1.base, main_#t~memset~res70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1, main_#t~post81#1, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1, main_#t~nondet84#1, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~post88#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem93#1, main_#t~mem92#1, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1, main_#t~short96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~malloc99#1.base, main_#t~malloc99#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, main_#t~memset~res104#1.base, main_#t~memset~res104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem114#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~nondet115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem126#1, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1, main_#t~nondet127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~pre130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~post135#1, main_#t~mem139#1, main_#t~mem137#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem138#1, main_#t~mem140#1, main_#t~post141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~post117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1.base, main_#t~mem146#1.offset, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1, main_#t~post151#1, 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~ite161#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_#t~mem160#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_#t~mem163#1, main_#t~mem164#1.base, main_#t~mem164#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~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem168#1, main_#t~mem167#1, main_#t~mem169#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem171#1, main_#t~mem173#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem175#1, main_#t~mem177#1, main_#t~mem178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~nondet187#1, main_#t~switch188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~mem199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_#t~nondet208#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~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1, main_#t~nondet211#1, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1, main_#t~mem220#1, main_#t~mem221#1, main_#t~short222#1, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~ret224#1, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem165#1, main_#t~mem166#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 14761#L2220-4 [2023-11-29 06:22:10,187 INFO L750 eck$LassoCheckResult]: Loop: 14761#L2220-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 14432#L2220-1 assume !!(main_#t~mem7#1 < 1000);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 14062#L2222 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 13680#L2222-2 call main_#t~mem9#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 13613#L2227-269 havoc main_~_ha_hashv~0#1; 13614#L2227-176 goto; 14741#L2227-174 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; 13809#L2227-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 14642#L2227-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 13797#L2227-73 assume !main_#t~switch33#1; 13798#L2227-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 13349#L2227-76 assume !main_#t~switch33#1; 13350#L2227-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 13693#L2227-79 assume !main_#t~switch33#1; 13694#L2227-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 14291#L2227-82 assume !main_#t~switch33#1; 14554#L2227-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 14683#L2227-85 assume !main_#t~switch33#1; 14044#L2227-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 14045#L2227-88 assume !main_#t~switch33#1; 14076#L2227-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 14077#L2227-91 assume !main_#t~switch33#1; 14673#L2227-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 14674#L2227-94 assume main_#t~switch33#1;call main_#t~mem41#1 := read~int#3(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~mem41#1 % 256 % 4294967296);havoc main_#t~mem41#1; 14260#L2227-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 14261#L2227-97 assume main_#t~switch33#1;call main_#t~mem42#1 := read~int#3(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~mem42#1 % 256 % 4294967296);havoc main_#t~mem42#1; 13585#L2227-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 13586#L2227-100 assume main_#t~switch33#1;call main_#t~mem43#1 := read~int#3(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~mem43#1 % 256 % 4294967296);havoc main_#t~mem43#1; 14553#L2227-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 13951#L2227-103 assume main_#t~switch33#1;call main_#t~mem44#1 := read~int#3(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~mem44#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem44#1 % 256 % 4294967296 else main_#t~mem44#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem44#1; 13702#L2227-105 havoc main_#t~switch33#1; 13703#L2227-171 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; 13835#L2227-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet45#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 14121#L2227-113 main_~_hj_i~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#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; 14522#L2227-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet46#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 13545#L2227-120 main_~_hj_j~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#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; 13821#L2227-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet47#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 13107#L2227-127 main_~_ha_hashv~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 13108#L2227-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet48#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 13847#L2227-134 main_~_hj_i~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#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; 14346#L2227-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 13457#L2227-141 main_~_hj_j~0#1 := main_#t~nondet49#1;havoc main_#t~nondet49#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; 13375#L2227-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet50#1 := main_~_hj_j~0#1 % 4294967296 / 32; 13376#L2227-148 main_~_ha_hashv~0#1 := main_#t~nondet50#1;havoc main_#t~nondet50#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; 14583#L2227-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 13942#L2227-155 main_~_hj_i~0#1 := main_#t~nondet51#1;havoc main_#t~nondet51#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; 13224#L2227-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 13226#L2227-162 main_~_hj_j~0#1 := main_#t~nondet52#1;havoc main_#t~nondet52#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; 14739#L2227-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 13909#L2227-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 13910#L2227-170 goto; 14723#L2227-172 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; 13794#L2227-173 goto; 13795#L2227-175 goto; 14285#L2227-266 call write~int#3(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$#3(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#3(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 14242#L2227-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem71#1.base, main_#t~mem71#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset; 13598#L2227-194 call write~$Pointer$#3(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$#3(main_#t~mem72#1.base, 16 + main_#t~mem72#1.offset, 4);call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int#3(main_#t~mem74#1.base, 20 + main_#t~mem74#1.offset, 4);call write~$Pointer$#3(main_#t~mem73#1.base, main_#t~mem73#1.offset - main_#t~mem75#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;havoc main_#t~mem73#1.base, main_#t~mem73#1.offset;havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;call main_#t~mem76#1.base, main_#t~mem76#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$#3(main_#t~mem76#1.base, 16 + main_#t~mem76#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem77#1.base, 8 + main_#t~mem77#1.offset, 4);havoc main_#t~mem76#1.base, main_#t~mem76#1.offset;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;call main_#t~mem78#1.base, main_#t~mem78#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem78#1.base, 16 + main_#t~mem78#1.offset, 4);havoc main_#t~mem78#1.base, main_#t~mem78#1.offset; 13599#L2227-193 goto; 13624#L2227-264 havoc main_~_ha_bkt~0#1;call main_#t~mem79#1.base, main_#t~mem79#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem80#1 := read~int#3(main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);main_#t~post81#1 := main_#t~mem80#1;call write~int#3(1 + main_#t~post81#1, main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);havoc main_#t~mem79#1.base, main_#t~mem79#1.offset;havoc main_#t~mem80#1;havoc main_#t~post81#1; 14715#L2227-203 call main_#t~mem82#1.base, main_#t~mem82#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem83#1 := read~int#3(main_#t~mem82#1.base, 4 + main_#t~mem82#1.offset, 4); 14735#L2227-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 13917#L2227-201 main_~_ha_bkt~0#1 := main_#t~nondet84#1;havoc main_#t~mem82#1.base, main_#t~mem82#1.offset;havoc main_#t~mem83#1;havoc main_#t~nondet84#1; 13853#L2227-202 goto; 13854#L2227-261 call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$#3(main_#t~mem85#1.base, main_#t~mem85#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem86#1.base, main_#t~mem86#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~mem85#1.base, main_#t~mem85#1.offset;havoc main_#t~mem86#1.base, main_#t~mem86#1.offset;call main_#t~mem87#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post88#1 := main_#t~mem87#1;call write~int#3(1 + main_#t~post88#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem87#1;havoc main_#t~post88#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem89#1.base, main_#t~mem89#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;call write~$Pointer$#3(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem90#1.base, main_#t~mem90#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 14069#L2227-205 assume main_#t~mem90#1.base != 0 || main_#t~mem90#1.offset != 0;havoc main_#t~mem90#1.base, main_#t~mem90#1.offset;call main_#t~mem91#1.base, main_#t~mem91#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem91#1.base, 12 + main_#t~mem91#1.offset, 4);havoc main_#t~mem91#1.base, main_#t~mem91#1.offset; 14070#L2227-207 call write~$Pointer$#3(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~mem93#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem92#1 := read~int#3(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short96#1 := main_#t~mem93#1 % 4294967296 >= 10 * (1 + main_#t~mem92#1) % 4294967296; 13595#L2227-208 assume main_#t~short96#1;call main_#t~mem94#1.base, main_#t~mem94#1.offset := read~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem95#1 := read~int#3(main_#t~mem94#1.base, 36 + main_#t~mem94#1.offset, 4);main_#t~short96#1 := 0 == main_#t~mem95#1 % 4294967296; 13596#L2227-210 assume !main_#t~short96#1;havoc main_#t~mem93#1;havoc main_#t~mem92#1;havoc main_#t~mem94#1.base, main_#t~mem94#1.offset;havoc main_#t~mem95#1;havoc main_#t~short96#1; 13503#L2227-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 13504#L2227-260 goto; 13033#L2227-262 havoc main_~_ha_bkt~0#1; 13034#L2227-263 goto; 14483#L2227-265 goto; 14484#L2227-267 havoc main_~_ha_hashv~0#1; 14491#L2227-268 goto; 14759#L2220-3 call main_#t~mem5#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#2(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 14761#L2220-4 [2023-11-29 06:22:10,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:22:10,188 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 4 times [2023-11-29 06:22:10,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:22:10,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780660777] [2023-11-29 06:22:10,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:10,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:22:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:22:10,202 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:22:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:22:10,215 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:22:10,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:22:10,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1826004511, now seen corresponding path program 1 times [2023-11-29 06:22:10,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:22:10,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998198243] [2023-11-29 06:22:10,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:10,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:22:10,263 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:22:10,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [362129080] [2023-11-29 06:22:10,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:10,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:22:10,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:22:10,268 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:22:10,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 06:22:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:22:10,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 06:22:10,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:22:10,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:22:10,805 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:22:10,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:22:10,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998198243] [2023-11-29 06:22:10,805 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:22:10,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362129080] [2023-11-29 06:22:10,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362129080] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:22:10,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:22:10,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:22:10,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489092589] [2023-11-29 06:22:10,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:22:10,807 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 06:22:10,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:22:10,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:22:10,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:22:10,808 INFO L87 Difference]: Start difference. First operand 1825 states and 2481 transitions. cyclomatic complexity: 659 Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:22:11,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:22:11,325 INFO L93 Difference]: Finished difference Result 1865 states and 2529 transitions. [2023-11-29 06:22:11,326 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1865 states and 2529 transitions. [2023-11-29 06:22:11,338 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1858 [2023-11-29 06:22:11,352 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1865 states to 1865 states and 2529 transitions. [2023-11-29 06:22:11,352 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1865 [2023-11-29 06:22:11,354 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1865 [2023-11-29 06:22:11,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1865 states and 2529 transitions. [2023-11-29 06:22:11,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:22:11,358 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1865 states and 2529 transitions. [2023-11-29 06:22:11,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1865 states and 2529 transitions. [2023-11-29 06:22:11,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1865 to 1862. [2023-11-29 06:22:11,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1862 states, 1858 states have (on average 1.3557588805166847) internal successors, (2519), 1857 states have internal predecessors, (2519), 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) [2023-11-29 06:22:11,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1862 states and 2525 transitions. [2023-11-29 06:22:11,397 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1862 states and 2525 transitions. [2023-11-29 06:22:11,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:22:11,398 INFO L428 stractBuchiCegarLoop]: Abstraction has 1862 states and 2525 transitions. [2023-11-29 06:22:11,398 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-29 06:22:11,399 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1862 states and 2525 transitions. [2023-11-29 06:22:11,405 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1855 [2023-11-29 06:22:11,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:22:11,406 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:22:11,407 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:22:11,407 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] [2023-11-29 06:22:11,407 INFO L748 eck$LassoCheckResult]: Stem: 17119#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 17120#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~switch33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#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~malloc54#1.base, main_#t~malloc54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~memset~res57#1.base, main_#t~memset~res57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~malloc63#1.base, main_#t~malloc63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~memset~res70#1.base, main_#t~memset~res70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1, main_#t~post81#1, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1, main_#t~nondet84#1, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~post88#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem93#1, main_#t~mem92#1, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1, main_#t~short96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~malloc99#1.base, main_#t~malloc99#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, main_#t~memset~res104#1.base, main_#t~memset~res104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem114#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~nondet115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem126#1, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1, main_#t~nondet127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~pre130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~post135#1, main_#t~mem139#1, main_#t~mem137#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem138#1, main_#t~mem140#1, main_#t~post141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~post117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1.base, main_#t~mem146#1.offset, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1, main_#t~post151#1, 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~ite161#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_#t~mem160#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_#t~mem163#1, main_#t~mem164#1.base, main_#t~mem164#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~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem168#1, main_#t~mem167#1, main_#t~mem169#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem171#1, main_#t~mem173#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem175#1, main_#t~mem177#1, main_#t~mem178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~nondet187#1, main_#t~switch188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~mem199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_#t~nondet208#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~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1, main_#t~nondet211#1, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1, main_#t~mem220#1, main_#t~mem221#1, main_#t~short222#1, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~ret224#1, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem165#1, main_#t~mem166#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 18688#L2220-4 [2023-11-29 06:22:11,408 INFO L750 eck$LassoCheckResult]: Loop: 18688#L2220-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 18357#L2220-1 assume !!(main_#t~mem7#1 < 1000);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 17986#L2222 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 17604#L2222-2 call main_#t~mem9#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 17537#L2227-269 havoc main_~_ha_hashv~0#1; 17538#L2227-176 goto; 18668#L2227-174 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; 18702#L2227-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 18744#L2227-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 18743#L2227-73 assume !main_#t~switch33#1; 18742#L2227-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 18741#L2227-76 assume !main_#t~switch33#1; 18740#L2227-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 18739#L2227-79 assume !main_#t~switch33#1; 18738#L2227-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 18737#L2227-82 assume !main_#t~switch33#1; 18736#L2227-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 18735#L2227-85 assume !main_#t~switch33#1; 18734#L2227-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 18733#L2227-88 assume !main_#t~switch33#1; 18732#L2227-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 18731#L2227-91 assume !main_#t~switch33#1; 18730#L2227-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 18728#L2227-94 assume !main_#t~switch33#1; 18727#L2227-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 18725#L2227-97 assume !main_#t~switch33#1; 18724#L2227-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 18722#L2227-100 assume !main_#t~switch33#1; 18721#L2227-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 18720#L2227-103 assume main_#t~switch33#1;call main_#t~mem44#1 := read~int#3(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~mem44#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem44#1 % 256 % 4294967296 else main_#t~mem44#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem44#1; 18718#L2227-105 havoc main_#t~switch33#1; 18717#L2227-171 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; 18716#L2227-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet45#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 18447#L2227-113 main_~_hj_i~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#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; 18448#L2227-114 assume !(0 == main_~_hj_j~0#1 % 4294967296); 18532#L2227-116 assume 0 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296;main_#t~nondet46#1 := main_~_hj_j~0#1; 17469#L2227-120 main_~_hj_j~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#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; 17745#L2227-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet47#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 17031#L2227-127 main_~_ha_hashv~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 17032#L2227-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet48#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 17771#L2227-134 main_~_hj_i~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#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; 18271#L2227-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 17381#L2227-141 main_~_hj_j~0#1 := main_#t~nondet49#1;havoc main_#t~nondet49#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; 17299#L2227-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet50#1 := main_~_hj_j~0#1 % 4294967296 / 32; 17300#L2227-148 main_~_ha_hashv~0#1 := main_#t~nondet50#1;havoc main_#t~nondet50#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; 18509#L2227-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 17866#L2227-155 main_~_hj_i~0#1 := main_#t~nondet51#1;havoc main_#t~nondet51#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; 17148#L2227-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 17150#L2227-162 main_~_hj_j~0#1 := main_#t~nondet52#1;havoc main_#t~nondet52#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; 18666#L2227-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 17833#L2227-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 17834#L2227-170 goto; 18650#L2227-172 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; 17718#L2227-173 goto; 17719#L2227-175 goto; 18209#L2227-266 call write~int#3(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$#3(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#3(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 18166#L2227-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem71#1.base, main_#t~mem71#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset; 17522#L2227-194 call write~$Pointer$#3(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$#3(main_#t~mem72#1.base, 16 + main_#t~mem72#1.offset, 4);call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int#3(main_#t~mem74#1.base, 20 + main_#t~mem74#1.offset, 4);call write~$Pointer$#3(main_#t~mem73#1.base, main_#t~mem73#1.offset - main_#t~mem75#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;havoc main_#t~mem73#1.base, main_#t~mem73#1.offset;havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;call main_#t~mem76#1.base, main_#t~mem76#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$#3(main_#t~mem76#1.base, 16 + main_#t~mem76#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem77#1.base, 8 + main_#t~mem77#1.offset, 4);havoc main_#t~mem76#1.base, main_#t~mem76#1.offset;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;call main_#t~mem78#1.base, main_#t~mem78#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem78#1.base, 16 + main_#t~mem78#1.offset, 4);havoc main_#t~mem78#1.base, main_#t~mem78#1.offset; 17523#L2227-193 goto; 17548#L2227-264 havoc main_~_ha_bkt~0#1;call main_#t~mem79#1.base, main_#t~mem79#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem80#1 := read~int#3(main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);main_#t~post81#1 := main_#t~mem80#1;call write~int#3(1 + main_#t~post81#1, main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);havoc main_#t~mem79#1.base, main_#t~mem79#1.offset;havoc main_#t~mem80#1;havoc main_#t~post81#1; 18642#L2227-203 call main_#t~mem82#1.base, main_#t~mem82#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem83#1 := read~int#3(main_#t~mem82#1.base, 4 + main_#t~mem82#1.offset, 4); 18662#L2227-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 17841#L2227-201 main_~_ha_bkt~0#1 := main_#t~nondet84#1;havoc main_#t~mem82#1.base, main_#t~mem82#1.offset;havoc main_#t~mem83#1;havoc main_#t~nondet84#1; 17777#L2227-202 goto; 17778#L2227-261 call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$#3(main_#t~mem85#1.base, main_#t~mem85#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem86#1.base, main_#t~mem86#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~mem85#1.base, main_#t~mem85#1.offset;havoc main_#t~mem86#1.base, main_#t~mem86#1.offset;call main_#t~mem87#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post88#1 := main_#t~mem87#1;call write~int#3(1 + main_#t~post88#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem87#1;havoc main_#t~post88#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem89#1.base, main_#t~mem89#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;call write~$Pointer$#3(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem90#1.base, main_#t~mem90#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 17993#L2227-205 assume main_#t~mem90#1.base != 0 || main_#t~mem90#1.offset != 0;havoc main_#t~mem90#1.base, main_#t~mem90#1.offset;call main_#t~mem91#1.base, main_#t~mem91#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem91#1.base, 12 + main_#t~mem91#1.offset, 4);havoc main_#t~mem91#1.base, main_#t~mem91#1.offset; 17994#L2227-207 call write~$Pointer$#3(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~mem93#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem92#1 := read~int#3(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short96#1 := main_#t~mem93#1 % 4294967296 >= 10 * (1 + main_#t~mem92#1) % 4294967296; 17519#L2227-208 assume main_#t~short96#1;call main_#t~mem94#1.base, main_#t~mem94#1.offset := read~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem95#1 := read~int#3(main_#t~mem94#1.base, 36 + main_#t~mem94#1.offset, 4);main_#t~short96#1 := 0 == main_#t~mem95#1 % 4294967296; 17520#L2227-210 assume !main_#t~short96#1;havoc main_#t~mem93#1;havoc main_#t~mem92#1;havoc main_#t~mem94#1.base, main_#t~mem94#1.offset;havoc main_#t~mem95#1;havoc main_#t~short96#1; 17427#L2227-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 17428#L2227-260 goto; 16957#L2227-262 havoc main_~_ha_bkt~0#1; 16958#L2227-263 goto; 18408#L2227-265 goto; 18409#L2227-267 havoc main_~_ha_hashv~0#1; 18416#L2227-268 goto; 18686#L2220-3 call main_#t~mem5#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#2(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 18688#L2220-4 [2023-11-29 06:22:11,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:22:11,408 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 5 times [2023-11-29 06:22:11,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:22:11,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698696981] [2023-11-29 06:22:11,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:11,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:22:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:22:11,422 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:22:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:22:11,436 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:22:11,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:22:11,437 INFO L85 PathProgramCache]: Analyzing trace with hash -2104625431, now seen corresponding path program 1 times [2023-11-29 06:22:11,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:22:11,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936270961] [2023-11-29 06:22:11,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:11,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:22:11,481 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:22:11,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [9511575] [2023-11-29 06:22:11,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:11,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:22:11,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:22:11,484 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:22:11,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 06:22:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:22:11,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:22:11,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:22:11,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:22:11,821 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:22:11,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:22:11,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936270961] [2023-11-29 06:22:11,822 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:22:11,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9511575] [2023-11-29 06:22:11,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9511575] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:22:11,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:22:11,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:22:11,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335801022] [2023-11-29 06:22:11,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:22:11,824 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 06:22:11,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:22:11,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:22:11,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:22:11,825 INFO L87 Difference]: Start difference. First operand 1862 states and 2525 transitions. cyclomatic complexity: 666 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) [2023-11-29 06:22:12,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:22:12,008 INFO L93 Difference]: Finished difference Result 1939 states and 2651 transitions. [2023-11-29 06:22:12,008 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1939 states and 2651 transitions. [2023-11-29 06:22:12,018 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1932 [2023-11-29 06:22:12,032 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1939 states to 1939 states and 2651 transitions. [2023-11-29 06:22:12,032 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1939 [2023-11-29 06:22:12,034 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1939 [2023-11-29 06:22:12,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1939 states and 2651 transitions. [2023-11-29 06:22:12,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:22:12,038 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1939 states and 2651 transitions. [2023-11-29 06:22:12,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states and 2651 transitions. [2023-11-29 06:22:12,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 1862. [2023-11-29 06:22:12,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1862 states, 1858 states have (on average 1.3541442411194833) internal successors, (2516), 1857 states have internal predecessors, (2516), 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) [2023-11-29 06:22:12,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1862 states and 2522 transitions. [2023-11-29 06:22:12,076 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1862 states and 2522 transitions. [2023-11-29 06:22:12,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:22:12,077 INFO L428 stractBuchiCegarLoop]: Abstraction has 1862 states and 2522 transitions. [2023-11-29 06:22:12,077 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-29 06:22:12,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1862 states and 2522 transitions. [2023-11-29 06:22:12,084 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1855 [2023-11-29 06:22:12,084 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:22:12,084 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:22:12,085 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:22:12,085 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] [2023-11-29 06:22:12,085 INFO L748 eck$LassoCheckResult]: Stem: 21156#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 21157#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~switch33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#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~malloc54#1.base, main_#t~malloc54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~memset~res57#1.base, main_#t~memset~res57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~malloc63#1.base, main_#t~malloc63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~memset~res70#1.base, main_#t~memset~res70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1, main_#t~post81#1, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1, main_#t~nondet84#1, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~post88#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem93#1, main_#t~mem92#1, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1, main_#t~short96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~malloc99#1.base, main_#t~malloc99#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, main_#t~memset~res104#1.base, main_#t~memset~res104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem114#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~nondet115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem126#1, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1, main_#t~nondet127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~pre130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~post135#1, main_#t~mem139#1, main_#t~mem137#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem138#1, main_#t~mem140#1, main_#t~post141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~post117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1.base, main_#t~mem146#1.offset, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1, main_#t~post151#1, 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~ite161#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_#t~mem160#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_#t~mem163#1, main_#t~mem164#1.base, main_#t~mem164#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~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem168#1, main_#t~mem167#1, main_#t~mem169#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem171#1, main_#t~mem173#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem175#1, main_#t~mem177#1, main_#t~mem178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~nondet187#1, main_#t~switch188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~mem199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_#t~nondet208#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~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1, main_#t~nondet211#1, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1, main_#t~mem220#1, main_#t~mem221#1, main_#t~short222#1, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~ret224#1, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem165#1, main_#t~mem166#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 22724#L2220-4 [2023-11-29 06:22:12,086 INFO L750 eck$LassoCheckResult]: Loop: 22724#L2220-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 22393#L2220-1 assume !!(main_#t~mem7#1 < 1000);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 22023#L2222 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 21641#L2222-2 call main_#t~mem9#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 21574#L2227-269 havoc main_~_ha_hashv~0#1; 21575#L2227-176 goto; 22704#L2227-174 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; 22737#L2227-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 22604#L2227-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 21758#L2227-73 assume !main_#t~switch33#1; 21759#L2227-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 21310#L2227-76 assume !main_#t~switch33#1; 21311#L2227-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 21654#L2227-79 assume !main_#t~switch33#1; 21655#L2227-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 22252#L2227-82 assume !main_#t~switch33#1; 22516#L2227-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 22645#L2227-85 assume !main_#t~switch33#1; 22005#L2227-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 22006#L2227-88 assume !main_#t~switch33#1; 22037#L2227-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 22038#L2227-91 assume !main_#t~switch33#1; 22635#L2227-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 22636#L2227-94 assume main_#t~switch33#1;call main_#t~mem41#1 := read~int#3(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~mem41#1 % 256 % 4294967296);havoc main_#t~mem41#1; 22690#L2227-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 22738#L2227-97 assume main_#t~switch33#1;call main_#t~mem42#1 := read~int#3(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~mem42#1 % 256 % 4294967296);havoc main_#t~mem42#1; 21546#L2227-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 21547#L2227-100 assume main_#t~switch33#1;call main_#t~mem43#1 := read~int#3(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~mem43#1 % 256 % 4294967296);havoc main_#t~mem43#1; 22781#L2227-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 22783#L2227-103 assume main_#t~switch33#1;call main_#t~mem44#1 := read~int#3(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~mem44#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem44#1 % 256 % 4294967296 else main_#t~mem44#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem44#1; 21663#L2227-105 havoc main_#t~switch33#1; 21664#L2227-171 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; 21796#L2227-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet45#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 22082#L2227-113 main_~_hj_i~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#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; 22483#L2227-114 assume !(0 == main_~_hj_j~0#1 % 4294967296); 21504#L2227-116 assume 0 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296;main_#t~nondet46#1 := main_~_hj_j~0#1; 21506#L2227-120 main_~_hj_j~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#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; 21782#L2227-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet47#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 21068#L2227-127 main_~_ha_hashv~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 21069#L2227-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet48#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 21808#L2227-134 main_~_hj_i~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#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; 22307#L2227-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 21418#L2227-141 main_~_hj_j~0#1 := main_#t~nondet49#1;havoc main_#t~nondet49#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; 21336#L2227-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet50#1 := main_~_hj_j~0#1 % 4294967296 / 32; 21337#L2227-148 main_~_ha_hashv~0#1 := main_#t~nondet50#1;havoc main_#t~nondet50#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; 22545#L2227-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 21903#L2227-155 main_~_hj_i~0#1 := main_#t~nondet51#1;havoc main_#t~nondet51#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; 21185#L2227-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 21187#L2227-162 main_~_hj_j~0#1 := main_#t~nondet52#1;havoc main_#t~nondet52#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; 22702#L2227-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 21869#L2227-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 21870#L2227-170 goto; 22686#L2227-172 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; 21755#L2227-173 goto; 21756#L2227-175 goto; 22246#L2227-266 call write~int#3(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$#3(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#3(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 22203#L2227-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem71#1.base, main_#t~mem71#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset; 21559#L2227-194 call write~$Pointer$#3(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$#3(main_#t~mem72#1.base, 16 + main_#t~mem72#1.offset, 4);call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int#3(main_#t~mem74#1.base, 20 + main_#t~mem74#1.offset, 4);call write~$Pointer$#3(main_#t~mem73#1.base, main_#t~mem73#1.offset - main_#t~mem75#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;havoc main_#t~mem73#1.base, main_#t~mem73#1.offset;havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;call main_#t~mem76#1.base, main_#t~mem76#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$#3(main_#t~mem76#1.base, 16 + main_#t~mem76#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem77#1.base, 8 + main_#t~mem77#1.offset, 4);havoc main_#t~mem76#1.base, main_#t~mem76#1.offset;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;call main_#t~mem78#1.base, main_#t~mem78#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem78#1.base, 16 + main_#t~mem78#1.offset, 4);havoc main_#t~mem78#1.base, main_#t~mem78#1.offset; 21560#L2227-193 goto; 21585#L2227-264 havoc main_~_ha_bkt~0#1;call main_#t~mem79#1.base, main_#t~mem79#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem80#1 := read~int#3(main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);main_#t~post81#1 := main_#t~mem80#1;call write~int#3(1 + main_#t~post81#1, main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);havoc main_#t~mem79#1.base, main_#t~mem79#1.offset;havoc main_#t~mem80#1;havoc main_#t~post81#1; 22678#L2227-203 call main_#t~mem82#1.base, main_#t~mem82#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem83#1 := read~int#3(main_#t~mem82#1.base, 4 + main_#t~mem82#1.offset, 4); 22698#L2227-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 21878#L2227-201 main_~_ha_bkt~0#1 := main_#t~nondet84#1;havoc main_#t~mem82#1.base, main_#t~mem82#1.offset;havoc main_#t~mem83#1;havoc main_#t~nondet84#1; 21814#L2227-202 goto; 21815#L2227-261 call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$#3(main_#t~mem85#1.base, main_#t~mem85#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem86#1.base, main_#t~mem86#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~mem85#1.base, main_#t~mem85#1.offset;havoc main_#t~mem86#1.base, main_#t~mem86#1.offset;call main_#t~mem87#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post88#1 := main_#t~mem87#1;call write~int#3(1 + main_#t~post88#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem87#1;havoc main_#t~post88#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem89#1.base, main_#t~mem89#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;call write~$Pointer$#3(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem90#1.base, main_#t~mem90#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 22030#L2227-205 assume main_#t~mem90#1.base != 0 || main_#t~mem90#1.offset != 0;havoc main_#t~mem90#1.base, main_#t~mem90#1.offset;call main_#t~mem91#1.base, main_#t~mem91#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem91#1.base, 12 + main_#t~mem91#1.offset, 4);havoc main_#t~mem91#1.base, main_#t~mem91#1.offset; 22031#L2227-207 call write~$Pointer$#3(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~mem93#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem92#1 := read~int#3(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short96#1 := main_#t~mem93#1 % 4294967296 >= 10 * (1 + main_#t~mem92#1) % 4294967296; 21556#L2227-208 assume main_#t~short96#1;call main_#t~mem94#1.base, main_#t~mem94#1.offset := read~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem95#1 := read~int#3(main_#t~mem94#1.base, 36 + main_#t~mem94#1.offset, 4);main_#t~short96#1 := 0 == main_#t~mem95#1 % 4294967296; 21557#L2227-210 assume !main_#t~short96#1;havoc main_#t~mem93#1;havoc main_#t~mem92#1;havoc main_#t~mem94#1.base, main_#t~mem94#1.offset;havoc main_#t~mem95#1;havoc main_#t~short96#1; 21464#L2227-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 21465#L2227-260 goto; 20994#L2227-262 havoc main_~_ha_bkt~0#1; 20995#L2227-263 goto; 22444#L2227-265 goto; 22445#L2227-267 havoc main_~_ha_hashv~0#1; 22452#L2227-268 goto; 22722#L2220-3 call main_#t~mem5#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#2(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 22724#L2220-4 [2023-11-29 06:22:12,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:22:12,087 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 6 times [2023-11-29 06:22:12,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:22:12,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037753691] [2023-11-29 06:22:12,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:12,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:22:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:22:12,100 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:22:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:22:12,114 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:22:12,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:22:12,115 INFO L85 PathProgramCache]: Analyzing trace with hash 257063087, now seen corresponding path program 1 times [2023-11-29 06:22:12,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:22:12,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668561502] [2023-11-29 06:22:12,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:12,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:22:12,160 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:22:12,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [153885832] [2023-11-29 06:22:12,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:12,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:22:12,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:22:12,170 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:22:12,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 06:22:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:22:12,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 06:22:12,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:22:12,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:22:12,642 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:22:12,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:22:12,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668561502] [2023-11-29 06:22:12,642 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:22:12,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153885832] [2023-11-29 06:22:12,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153885832] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:22:12,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:22:12,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:22:12,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066395530] [2023-11-29 06:22:12,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:22:12,644 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 06:22:12,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:22:12,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:22:12,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:22:12,645 INFO L87 Difference]: Start difference. First operand 1862 states and 2522 transitions. cyclomatic complexity: 663 Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:22:13,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:22:13,488 INFO L93 Difference]: Finished difference Result 1873 states and 2538 transitions. [2023-11-29 06:22:13,489 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1873 states and 2538 transitions. [2023-11-29 06:22:13,496 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1866 [2023-11-29 06:22:13,507 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1873 states to 1873 states and 2538 transitions. [2023-11-29 06:22:13,508 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1873 [2023-11-29 06:22:13,510 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1873 [2023-11-29 06:22:13,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1873 states and 2538 transitions. [2023-11-29 06:22:13,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:22:13,514 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1873 states and 2538 transitions. [2023-11-29 06:22:13,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1873 states and 2538 transitions. [2023-11-29 06:22:13,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1873 to 1870. [2023-11-29 06:22:13,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1870 states, 1866 states have (on average 1.354769560557342) internal successors, (2528), 1865 states have internal predecessors, (2528), 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) [2023-11-29 06:22:13,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 2534 transitions. [2023-11-29 06:22:13,559 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1870 states and 2534 transitions. [2023-11-29 06:22:13,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 06:22:13,561 INFO L428 stractBuchiCegarLoop]: Abstraction has 1870 states and 2534 transitions. [2023-11-29 06:22:13,561 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-29 06:22:13,561 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1870 states and 2534 transitions. [2023-11-29 06:22:13,569 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1863 [2023-11-29 06:22:13,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:22:13,569 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:22:13,570 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:22:13,570 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] [2023-11-29 06:22:13,570 INFO L748 eck$LassoCheckResult]: Stem: 25131#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 25132#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~switch33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#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~malloc54#1.base, main_#t~malloc54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~memset~res57#1.base, main_#t~memset~res57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~malloc63#1.base, main_#t~malloc63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~memset~res70#1.base, main_#t~memset~res70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1, main_#t~post81#1, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1, main_#t~nondet84#1, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~post88#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem93#1, main_#t~mem92#1, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1, main_#t~short96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~malloc99#1.base, main_#t~malloc99#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, main_#t~memset~res104#1.base, main_#t~memset~res104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem114#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~nondet115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem126#1, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1, main_#t~nondet127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~pre130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~post135#1, main_#t~mem139#1, main_#t~mem137#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem138#1, main_#t~mem140#1, main_#t~post141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~post117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1.base, main_#t~mem146#1.offset, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1, main_#t~post151#1, 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~ite161#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_#t~mem160#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_#t~mem163#1, main_#t~mem164#1.base, main_#t~mem164#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~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem168#1, main_#t~mem167#1, main_#t~mem169#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem171#1, main_#t~mem173#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem175#1, main_#t~mem177#1, main_#t~mem178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~nondet187#1, main_#t~switch188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~mem199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_#t~nondet208#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~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1, main_#t~nondet211#1, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1, main_#t~mem220#1, main_#t~mem221#1, main_#t~short222#1, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~ret224#1, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem165#1, main_#t~mem166#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 26709#L2220-4 [2023-11-29 06:22:13,571 INFO L750 eck$LassoCheckResult]: Loop: 26709#L2220-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 26371#L2220-1 assume !!(main_#t~mem7#1 < 1000);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 25998#L2222 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 25616#L2222-2 call main_#t~mem9#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 25549#L2227-269 havoc main_~_ha_hashv~0#1; 25550#L2227-176 goto; 26689#L2227-174 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; 26724#L2227-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 26725#L2227-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 25733#L2227-73 assume !main_#t~switch33#1; 25734#L2227-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 26653#L2227-76 assume !main_#t~switch33#1; 26752#L2227-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 25629#L2227-79 assume !main_#t~switch33#1; 25630#L2227-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 26494#L2227-82 assume !main_#t~switch33#1; 26495#L2227-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 26636#L2227-85 assume !main_#t~switch33#1; 25980#L2227-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 25981#L2227-88 assume !main_#t~switch33#1; 26012#L2227-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 26013#L2227-91 assume !main_#t~switch33#1; 26717#L2227-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 26674#L2227-94 assume !main_#t~switch33#1; 26675#L2227-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 26764#L2227-97 assume !main_#t~switch33#1; 26763#L2227-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 26492#L2227-100 assume !main_#t~switch33#1; 26493#L2227-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 25887#L2227-103 assume !main_#t~switch33#1; 25638#L2227-105 havoc main_#t~switch33#1; 25639#L2227-171 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; 25771#L2227-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet45#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 26057#L2227-113 main_~_hj_i~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#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; 26461#L2227-114 assume !(0 == main_~_hj_j~0#1 % 4294967296); 26547#L2227-116 assume 0 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296;main_#t~nondet46#1 := main_~_hj_j~0#1; 26737#L2227-120 main_~_hj_j~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#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; 26122#L2227-121 assume !(0 == main_~_ha_hashv~0#1 % 4294967296); 26123#L2227-123 assume 0 == main_~_hj_j~0#1 % 4294967296 / 8192 % 4294967296;main_#t~nondet47#1 := main_~_ha_hashv~0#1; 25043#L2227-127 main_~_ha_hashv~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 25044#L2227-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet48#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 25782#L2227-134 main_~_hj_i~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#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; 26285#L2227-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 25393#L2227-141 main_~_hj_j~0#1 := main_#t~nondet49#1;havoc main_#t~nondet49#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; 25311#L2227-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet50#1 := main_~_hj_j~0#1 % 4294967296 / 32; 25312#L2227-148 main_~_ha_hashv~0#1 := main_#t~nondet50#1;havoc main_#t~nondet50#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; 26524#L2227-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 25878#L2227-155 main_~_hj_i~0#1 := main_#t~nondet51#1;havoc main_#t~nondet51#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; 25160#L2227-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 25162#L2227-162 main_~_hj_j~0#1 := main_#t~nondet52#1;havoc main_#t~nondet52#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; 26687#L2227-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 25844#L2227-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 25845#L2227-170 goto; 26670#L2227-172 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; 25730#L2227-173 goto; 25731#L2227-175 goto; 26223#L2227-266 call write~int#3(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$#3(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#3(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 26180#L2227-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem71#1.base, main_#t~mem71#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset; 25534#L2227-194 call write~$Pointer$#3(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$#3(main_#t~mem72#1.base, 16 + main_#t~mem72#1.offset, 4);call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int#3(main_#t~mem74#1.base, 20 + main_#t~mem74#1.offset, 4);call write~$Pointer$#3(main_#t~mem73#1.base, main_#t~mem73#1.offset - main_#t~mem75#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;havoc main_#t~mem73#1.base, main_#t~mem73#1.offset;havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;call main_#t~mem76#1.base, main_#t~mem76#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$#3(main_#t~mem76#1.base, 16 + main_#t~mem76#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem77#1.base, 8 + main_#t~mem77#1.offset, 4);havoc main_#t~mem76#1.base, main_#t~mem76#1.offset;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;call main_#t~mem78#1.base, main_#t~mem78#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem78#1.base, 16 + main_#t~mem78#1.offset, 4);havoc main_#t~mem78#1.base, main_#t~mem78#1.offset; 25535#L2227-193 goto; 25560#L2227-264 havoc main_~_ha_bkt~0#1;call main_#t~mem79#1.base, main_#t~mem79#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem80#1 := read~int#3(main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);main_#t~post81#1 := main_#t~mem80#1;call write~int#3(1 + main_#t~post81#1, main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);havoc main_#t~mem79#1.base, main_#t~mem79#1.offset;havoc main_#t~mem80#1;havoc main_#t~post81#1; 26662#L2227-203 call main_#t~mem82#1.base, main_#t~mem82#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem83#1 := read~int#3(main_#t~mem82#1.base, 4 + main_#t~mem82#1.offset, 4); 26683#L2227-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 25853#L2227-201 main_~_ha_bkt~0#1 := main_#t~nondet84#1;havoc main_#t~mem82#1.base, main_#t~mem82#1.offset;havoc main_#t~mem83#1;havoc main_#t~nondet84#1; 25789#L2227-202 goto; 25790#L2227-261 call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$#3(main_#t~mem85#1.base, main_#t~mem85#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem86#1.base, main_#t~mem86#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~mem85#1.base, main_#t~mem85#1.offset;havoc main_#t~mem86#1.base, main_#t~mem86#1.offset;call main_#t~mem87#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post88#1 := main_#t~mem87#1;call write~int#3(1 + main_#t~post88#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem87#1;havoc main_#t~post88#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem89#1.base, main_#t~mem89#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;call write~$Pointer$#3(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem90#1.base, main_#t~mem90#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 26005#L2227-205 assume main_#t~mem90#1.base != 0 || main_#t~mem90#1.offset != 0;havoc main_#t~mem90#1.base, main_#t~mem90#1.offset;call main_#t~mem91#1.base, main_#t~mem91#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem91#1.base, 12 + main_#t~mem91#1.offset, 4);havoc main_#t~mem91#1.base, main_#t~mem91#1.offset; 26006#L2227-207 call write~$Pointer$#3(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~mem93#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem92#1 := read~int#3(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short96#1 := main_#t~mem93#1 % 4294967296 >= 10 * (1 + main_#t~mem92#1) % 4294967296; 25531#L2227-208 assume main_#t~short96#1;call main_#t~mem94#1.base, main_#t~mem94#1.offset := read~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem95#1 := read~int#3(main_#t~mem94#1.base, 36 + main_#t~mem94#1.offset, 4);main_#t~short96#1 := 0 == main_#t~mem95#1 % 4294967296; 25532#L2227-210 assume !main_#t~short96#1;havoc main_#t~mem93#1;havoc main_#t~mem92#1;havoc main_#t~mem94#1.base, main_#t~mem94#1.offset;havoc main_#t~mem95#1;havoc main_#t~short96#1; 25439#L2227-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 25440#L2227-260 goto; 24969#L2227-262 havoc main_~_ha_bkt~0#1; 24970#L2227-263 goto; 26422#L2227-265 goto; 26423#L2227-267 havoc main_~_ha_hashv~0#1; 26430#L2227-268 goto; 26707#L2220-3 call main_#t~mem5#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#2(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 26709#L2220-4 [2023-11-29 06:22:13,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:22:13,572 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 7 times [2023-11-29 06:22:13,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:22:13,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392982688] [2023-11-29 06:22:13,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:13,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:22:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:22:13,587 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:22:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:22:13,602 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:22:13,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:22:13,603 INFO L85 PathProgramCache]: Analyzing trace with hash -162118498, now seen corresponding path program 1 times [2023-11-29 06:22:13,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:22:13,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726521724] [2023-11-29 06:22:13,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:13,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:22:13,655 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:22:13,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [403487620] [2023-11-29 06:22:13,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:13,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:22:13,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:22:13,663 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:22:13,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 06:22:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:22:13,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:22:13,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:22:13,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:22:13,955 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:22:13,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:22:13,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726521724] [2023-11-29 06:22:13,956 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:22:13,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403487620] [2023-11-29 06:22:13,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403487620] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:22:13,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:22:13,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:22:13,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517572115] [2023-11-29 06:22:13,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:22:13,958 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 06:22:13,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:22:13,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:22:13,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:22:13,959 INFO L87 Difference]: Start difference. First operand 1870 states and 2534 transitions. cyclomatic complexity: 667 Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 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) [2023-11-29 06:22:14,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:22:14,044 INFO L93 Difference]: Finished difference Result 1788 states and 2413 transitions. [2023-11-29 06:22:14,044 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1788 states and 2413 transitions. [2023-11-29 06:22:14,052 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1781 [2023-11-29 06:22:14,065 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1788 states to 1788 states and 2413 transitions. [2023-11-29 06:22:14,065 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1788 [2023-11-29 06:22:14,067 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1788 [2023-11-29 06:22:14,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1788 states and 2413 transitions. [2023-11-29 06:22:14,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:22:14,071 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1788 states and 2413 transitions. [2023-11-29 06:22:14,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1788 states and 2413 transitions. [2023-11-29 06:22:14,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1788 to 1788. [2023-11-29 06:22:14,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1788 states, 1784 states have (on average 1.3492152466367713) internal successors, (2407), 1783 states have internal predecessors, (2407), 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) [2023-11-29 06:22:14,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1788 states and 2413 transitions. [2023-11-29 06:22:14,106 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1788 states and 2413 transitions. [2023-11-29 06:22:14,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:22:14,107 INFO L428 stractBuchiCegarLoop]: Abstraction has 1788 states and 2413 transitions. [2023-11-29 06:22:14,107 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-29 06:22:14,107 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1788 states and 2413 transitions. [2023-11-29 06:22:14,113 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1781 [2023-11-29 06:22:14,114 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:22:14,114 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:22:14,114 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:22:14,114 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] [2023-11-29 06:22:14,115 INFO L748 eck$LassoCheckResult]: Stem: 29022#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 29023#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~switch33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#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~malloc54#1.base, main_#t~malloc54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~memset~res57#1.base, main_#t~memset~res57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~malloc63#1.base, main_#t~malloc63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~memset~res70#1.base, main_#t~memset~res70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1, main_#t~post81#1, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1, main_#t~nondet84#1, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~post88#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem93#1, main_#t~mem92#1, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1, main_#t~short96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~malloc99#1.base, main_#t~malloc99#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, main_#t~memset~res104#1.base, main_#t~memset~res104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem114#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~nondet115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem126#1, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1, main_#t~nondet127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~pre130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~post135#1, main_#t~mem139#1, main_#t~mem137#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem138#1, main_#t~mem140#1, main_#t~post141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~post117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1.base, main_#t~mem146#1.offset, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1, main_#t~post151#1, 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~ite161#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_#t~mem160#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_#t~mem163#1, main_#t~mem164#1.base, main_#t~mem164#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~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem168#1, main_#t~mem167#1, main_#t~mem169#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem171#1, main_#t~mem173#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem175#1, main_#t~mem177#1, main_#t~mem178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~nondet187#1, main_#t~switch188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~mem199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_#t~nondet208#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~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1, main_#t~nondet211#1, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1, main_#t~mem220#1, main_#t~mem221#1, main_#t~short222#1, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~ret224#1, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem165#1, main_#t~mem166#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 30557#L2220-4 [2023-11-29 06:22:14,115 INFO L750 eck$LassoCheckResult]: Loop: 30557#L2220-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 30232#L2220-1 assume !!(main_#t~mem7#1 < 1000);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 29867#L2222 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 29497#L2222-2 call main_#t~mem9#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 29434#L2227-269 havoc main_~_ha_hashv~0#1; 29435#L2227-176 goto; 30538#L2227-174 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; 30570#L2227-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 30439#L2227-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 29611#L2227-73 assume !main_#t~switch33#1; 29612#L2227-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 29175#L2227-76 assume !main_#t~switch33#1; 29176#L2227-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 29510#L2227-79 assume !main_#t~switch33#1; 29511#L2227-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 30091#L2227-82 assume !main_#t~switch33#1; 30352#L2227-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 30480#L2227-85 assume !main_#t~switch33#1; 29849#L2227-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 29850#L2227-88 assume !main_#t~switch33#1; 29881#L2227-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 29882#L2227-91 assume !main_#t~switch33#1; 30470#L2227-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 30471#L2227-94 assume main_#t~switch33#1;call main_#t~mem41#1 := read~int#3(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~mem41#1 % 256 % 4294967296);havoc main_#t~mem41#1; 30060#L2227-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 30061#L2227-97 assume main_#t~switch33#1;call main_#t~mem42#1 := read~int#3(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~mem42#1 % 256 % 4294967296);havoc main_#t~mem42#1; 29406#L2227-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 29407#L2227-100 assume main_#t~switch33#1;call main_#t~mem43#1 := read~int#3(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~mem43#1 % 256 % 4294967296);havoc main_#t~mem43#1; 30351#L2227-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 29762#L2227-103 assume main_#t~switch33#1;call main_#t~mem44#1 := read~int#3(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~mem44#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem44#1 % 256 % 4294967296 else main_#t~mem44#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem44#1; 29519#L2227-105 havoc main_#t~switch33#1; 29520#L2227-171 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; 29646#L2227-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet45#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 29926#L2227-113 main_~_hj_i~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#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; 30321#L2227-114 assume !(0 == main_~_hj_j~0#1 % 4294967296); 29364#L2227-116 assume !(0 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296); 29365#L2227-118 assume !(main_~_hj_j~0#1 % 4294967296 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296);assume main_#t~nondet46#1 % 4294967296 <= main_~_hj_j~0#1 % 4294967296 + 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296; 30564#L2227-120 main_~_hj_j~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#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; 30578#L2227-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet47#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 28936#L2227-127 main_~_ha_hashv~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 28937#L2227-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet48#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 29657#L2227-134 main_~_hj_i~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#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; 30146#L2227-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 29280#L2227-141 main_~_hj_j~0#1 := main_#t~nondet49#1;havoc main_#t~nondet49#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; 29201#L2227-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet50#1 := main_~_hj_j~0#1 % 4294967296 / 32; 29202#L2227-148 main_~_ha_hashv~0#1 := main_#t~nondet50#1;havoc main_#t~nondet50#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; 30380#L2227-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 29753#L2227-155 main_~_hj_i~0#1 := main_#t~nondet51#1;havoc main_#t~nondet51#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; 29051#L2227-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 29053#L2227-162 main_~_hj_j~0#1 := main_#t~nondet52#1;havoc main_#t~nondet52#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; 30536#L2227-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 29719#L2227-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 29720#L2227-170 goto; 30519#L2227-172 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; 29608#L2227-173 goto; 29609#L2227-175 goto; 30085#L2227-266 call write~int#3(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$#3(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#3(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 30042#L2227-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem71#1.base, main_#t~mem71#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset; 29419#L2227-194 call write~$Pointer$#3(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$#3(main_#t~mem72#1.base, 16 + main_#t~mem72#1.offset, 4);call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int#3(main_#t~mem74#1.base, 20 + main_#t~mem74#1.offset, 4);call write~$Pointer$#3(main_#t~mem73#1.base, main_#t~mem73#1.offset - main_#t~mem75#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;havoc main_#t~mem73#1.base, main_#t~mem73#1.offset;havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;call main_#t~mem76#1.base, main_#t~mem76#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$#3(main_#t~mem76#1.base, 16 + main_#t~mem76#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem77#1.base, 8 + main_#t~mem77#1.offset, 4);havoc main_#t~mem76#1.base, main_#t~mem76#1.offset;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;call main_#t~mem78#1.base, main_#t~mem78#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem78#1.base, 16 + main_#t~mem78#1.offset, 4);havoc main_#t~mem78#1.base, main_#t~mem78#1.offset; 29420#L2227-193 goto; 29445#L2227-264 havoc main_~_ha_bkt~0#1;call main_#t~mem79#1.base, main_#t~mem79#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem80#1 := read~int#3(main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);main_#t~post81#1 := main_#t~mem80#1;call write~int#3(1 + main_#t~post81#1, main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);havoc main_#t~mem79#1.base, main_#t~mem79#1.offset;havoc main_#t~mem80#1;havoc main_#t~post81#1; 30513#L2227-203 call main_#t~mem82#1.base, main_#t~mem82#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem83#1 := read~int#3(main_#t~mem82#1.base, 4 + main_#t~mem82#1.offset, 4); 30532#L2227-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 29728#L2227-201 main_~_ha_bkt~0#1 := main_#t~nondet84#1;havoc main_#t~mem82#1.base, main_#t~mem82#1.offset;havoc main_#t~mem83#1;havoc main_#t~nondet84#1; 29664#L2227-202 goto; 29665#L2227-261 call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$#3(main_#t~mem85#1.base, main_#t~mem85#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem86#1.base, main_#t~mem86#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~mem85#1.base, main_#t~mem85#1.offset;havoc main_#t~mem86#1.base, main_#t~mem86#1.offset;call main_#t~mem87#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post88#1 := main_#t~mem87#1;call write~int#3(1 + main_#t~post88#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem87#1;havoc main_#t~post88#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem89#1.base, main_#t~mem89#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;call write~$Pointer$#3(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem90#1.base, main_#t~mem90#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 29874#L2227-205 assume main_#t~mem90#1.base != 0 || main_#t~mem90#1.offset != 0;havoc main_#t~mem90#1.base, main_#t~mem90#1.offset;call main_#t~mem91#1.base, main_#t~mem91#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem91#1.base, 12 + main_#t~mem91#1.offset, 4);havoc main_#t~mem91#1.base, main_#t~mem91#1.offset; 29875#L2227-207 call write~$Pointer$#3(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~mem93#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem92#1 := read~int#3(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short96#1 := main_#t~mem93#1 % 4294967296 >= 10 * (1 + main_#t~mem92#1) % 4294967296; 29416#L2227-208 assume main_#t~short96#1;call main_#t~mem94#1.base, main_#t~mem94#1.offset := read~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem95#1 := read~int#3(main_#t~mem94#1.base, 36 + main_#t~mem94#1.offset, 4);main_#t~short96#1 := 0 == main_#t~mem95#1 % 4294967296; 29417#L2227-210 assume !main_#t~short96#1;havoc main_#t~mem93#1;havoc main_#t~mem92#1;havoc main_#t~mem94#1.base, main_#t~mem94#1.offset;havoc main_#t~mem95#1;havoc main_#t~short96#1; 29324#L2227-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 29325#L2227-260 goto; 28864#L2227-262 havoc main_~_ha_bkt~0#1; 28865#L2227-263 goto; 30282#L2227-265 goto; 30283#L2227-267 havoc main_~_ha_hashv~0#1; 30290#L2227-268 goto; 30555#L2220-3 call main_#t~mem5#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#2(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 30557#L2220-4 [2023-11-29 06:22:14,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:22:14,115 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 8 times [2023-11-29 06:22:14,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:22:14,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714890016] [2023-11-29 06:22:14,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:14,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:22:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:22:14,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:22:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:22:14,140 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:22:14,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:22:14,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1276161914, now seen corresponding path program 1 times [2023-11-29 06:22:14,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:22:14,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529127919] [2023-11-29 06:22:14,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:14,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:22:14,182 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:22:14,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1529884265] [2023-11-29 06:22:14,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:14,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:22:14,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:22:14,187 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:22:14,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 06:22:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:22:21,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-29 06:22:21,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:23:00,845 WARN L293 SmtUtils]: Spent 24.03s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:23:13,102 WARN L293 SmtUtils]: Spent 12.26s 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) [2023-11-29 06:23:16,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:23:16,498 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:23:16,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:23:16,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529127919] [2023-11-29 06:23:16,498 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:23:16,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529884265] [2023-11-29 06:23:16,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529884265] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:23:16,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:23:16,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 06:23:16,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221291282] [2023-11-29 06:23:16,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:23:16,499 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 06:23:16,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:23:16,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:23:16,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=89, Unknown=1, NotChecked=0, Total=110 [2023-11-29 06:23:16,500 INFO L87 Difference]: Start difference. First operand 1788 states and 2413 transitions. cyclomatic complexity: 628 Second operand has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:23:18,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:23:36,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:23:38,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:23:41,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:23:41,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:23:41,278 INFO L93 Difference]: Finished difference Result 1803 states and 2432 transitions. [2023-11-29 06:23:41,278 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1803 states and 2432 transitions. [2023-11-29 06:23:41,284 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1796 [2023-11-29 06:23:41,294 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1803 states to 1803 states and 2432 transitions. [2023-11-29 06:23:41,294 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1803 [2023-11-29 06:23:41,295 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1803 [2023-11-29 06:23:41,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1803 states and 2432 transitions. [2023-11-29 06:23:41,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:23:41,298 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1803 states and 2432 transitions. [2023-11-29 06:23:41,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states and 2432 transitions. [2023-11-29 06:23:41,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1799. [2023-11-29 06:23:41,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1799 states, 1795 states have (on average 1.3487465181058496) internal successors, (2421), 1794 states have internal predecessors, (2421), 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) [2023-11-29 06:23:41,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1799 states and 2427 transitions. [2023-11-29 06:23:41,325 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1799 states and 2427 transitions. [2023-11-29 06:23:41,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 06:23:41,326 INFO L428 stractBuchiCegarLoop]: Abstraction has 1799 states and 2427 transitions. [2023-11-29 06:23:41,326 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-29 06:23:41,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1799 states and 2427 transitions. [2023-11-29 06:23:41,332 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1792 [2023-11-29 06:23:41,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:23:41,332 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:23:41,332 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:23:41,332 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] [2023-11-29 06:23:41,333 INFO L748 eck$LassoCheckResult]: Stem: 32862#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 32863#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~switch33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#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~malloc54#1.base, main_#t~malloc54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~memset~res57#1.base, main_#t~memset~res57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~malloc63#1.base, main_#t~malloc63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~memset~res70#1.base, main_#t~memset~res70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1, main_#t~post81#1, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1, main_#t~nondet84#1, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~post88#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem93#1, main_#t~mem92#1, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1, main_#t~short96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~malloc99#1.base, main_#t~malloc99#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, main_#t~memset~res104#1.base, main_#t~memset~res104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem114#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~nondet115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem126#1, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1, main_#t~nondet127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~pre130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~post135#1, main_#t~mem139#1, main_#t~mem137#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem138#1, main_#t~mem140#1, main_#t~post141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~post117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1.base, main_#t~mem146#1.offset, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1, main_#t~post151#1, 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~ite161#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_#t~mem160#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_#t~mem163#1, main_#t~mem164#1.base, main_#t~mem164#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~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem168#1, main_#t~mem167#1, main_#t~mem169#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem171#1, main_#t~mem173#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem175#1, main_#t~mem177#1, main_#t~mem178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~nondet187#1, main_#t~switch188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~mem199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_#t~nondet208#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~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1, main_#t~nondet211#1, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1, main_#t~mem220#1, main_#t~mem221#1, main_#t~short222#1, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~ret224#1, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem165#1, main_#t~mem166#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 34406#L2220-4 [2023-11-29 06:23:41,333 INFO L750 eck$LassoCheckResult]: Loop: 34406#L2220-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 34077#L2220-1 assume !!(main_#t~mem7#1 < 1000);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 33709#L2222 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 33336#L2222-2 call main_#t~mem9#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 33273#L2227-269 havoc main_~_ha_hashv~0#1; 33274#L2227-176 goto; 34387#L2227-174 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; 34420#L2227-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 34286#L2227-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 33450#L2227-73 assume !main_#t~switch33#1; 33451#L2227-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 33015#L2227-76 assume !main_#t~switch33#1; 33016#L2227-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 33349#L2227-79 assume !main_#t~switch33#1; 33350#L2227-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 33935#L2227-82 assume !main_#t~switch33#1; 34197#L2227-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 34327#L2227-85 assume !main_#t~switch33#1; 33691#L2227-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 33692#L2227-88 assume !main_#t~switch33#1; 33723#L2227-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 33724#L2227-91 assume !main_#t~switch33#1; 34317#L2227-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 34318#L2227-94 assume main_#t~switch33#1;call main_#t~mem41#1 := read~int#3(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~mem41#1 % 256 % 4294967296);havoc main_#t~mem41#1; 33904#L2227-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 33905#L2227-97 assume main_#t~switch33#1;call main_#t~mem42#1 := read~int#3(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~mem42#1 % 256 % 4294967296);havoc main_#t~mem42#1; 33245#L2227-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 33246#L2227-100 assume main_#t~switch33#1;call main_#t~mem43#1 := read~int#3(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~mem43#1 % 256 % 4294967296);havoc main_#t~mem43#1; 34196#L2227-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 33604#L2227-103 assume main_#t~switch33#1;call main_#t~mem44#1 := read~int#3(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~mem44#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem44#1 % 256 % 4294967296 else main_#t~mem44#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem44#1; 33358#L2227-105 havoc main_#t~switch33#1; 33359#L2227-171 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; 33486#L2227-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet45#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 33769#L2227-113 main_~_hj_i~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#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; 34166#L2227-114 assume !(0 == main_~_hj_j~0#1 % 4294967296); 34249#L2227-116 assume 0 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296;main_#t~nondet46#1 := main_~_hj_j~0#1; 33205#L2227-120 main_~_hj_j~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#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; 33830#L2227-121 assume !(0 == main_~_ha_hashv~0#1 % 4294967296); 33831#L2227-123 assume 0 == main_~_hj_j~0#1 % 4294967296 / 8192 % 4294967296;main_#t~nondet47#1 := main_~_ha_hashv~0#1; 32776#L2227-127 main_~_ha_hashv~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 32777#L2227-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet48#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 34349#L2227-134 main_~_hj_i~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#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; 33990#L2227-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 33119#L2227-141 main_~_hj_j~0#1 := main_#t~nondet49#1;havoc main_#t~nondet49#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; 33539#L2227-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet50#1 := main_~_hj_j~0#1 % 4294967296 / 32; 33729#L2227-148 main_~_ha_hashv~0#1 := main_#t~nondet50#1;havoc main_#t~nondet50#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; 34226#L2227-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 33595#L2227-155 main_~_hj_i~0#1 := main_#t~nondet51#1;havoc main_#t~nondet51#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; 32891#L2227-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 32893#L2227-162 main_~_hj_j~0#1 := main_#t~nondet52#1;havoc main_#t~nondet52#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; 34385#L2227-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 33561#L2227-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 33562#L2227-170 goto; 34368#L2227-172 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; 33447#L2227-173 goto; 33448#L2227-175 goto; 33929#L2227-266 call write~int#3(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$#3(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#3(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 33886#L2227-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem71#1.base, main_#t~mem71#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset; 33258#L2227-194 call write~$Pointer$#3(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$#3(main_#t~mem72#1.base, 16 + main_#t~mem72#1.offset, 4);call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int#3(main_#t~mem74#1.base, 20 + main_#t~mem74#1.offset, 4);call write~$Pointer$#3(main_#t~mem73#1.base, main_#t~mem73#1.offset - main_#t~mem75#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;havoc main_#t~mem73#1.base, main_#t~mem73#1.offset;havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;call main_#t~mem76#1.base, main_#t~mem76#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$#3(main_#t~mem76#1.base, 16 + main_#t~mem76#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem77#1.base, 8 + main_#t~mem77#1.offset, 4);havoc main_#t~mem76#1.base, main_#t~mem76#1.offset;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;call main_#t~mem78#1.base, main_#t~mem78#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem78#1.base, 16 + main_#t~mem78#1.offset, 4);havoc main_#t~mem78#1.base, main_#t~mem78#1.offset; 33259#L2227-193 goto; 33284#L2227-264 havoc main_~_ha_bkt~0#1;call main_#t~mem79#1.base, main_#t~mem79#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem80#1 := read~int#3(main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);main_#t~post81#1 := main_#t~mem80#1;call write~int#3(1 + main_#t~post81#1, main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);havoc main_#t~mem79#1.base, main_#t~mem79#1.offset;havoc main_#t~mem80#1;havoc main_#t~post81#1; 34362#L2227-203 call main_#t~mem82#1.base, main_#t~mem82#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem83#1 := read~int#3(main_#t~mem82#1.base, 4 + main_#t~mem82#1.offset, 4); 34381#L2227-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 33570#L2227-201 main_~_ha_bkt~0#1 := main_#t~nondet84#1;havoc main_#t~mem82#1.base, main_#t~mem82#1.offset;havoc main_#t~mem83#1;havoc main_#t~nondet84#1; 33505#L2227-202 goto; 33506#L2227-261 call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$#3(main_#t~mem85#1.base, main_#t~mem85#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem86#1.base, main_#t~mem86#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~mem85#1.base, main_#t~mem85#1.offset;havoc main_#t~mem86#1.base, main_#t~mem86#1.offset;call main_#t~mem87#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post88#1 := main_#t~mem87#1;call write~int#3(1 + main_#t~post88#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem87#1;havoc main_#t~post88#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem89#1.base, main_#t~mem89#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;call write~$Pointer$#3(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem90#1.base, main_#t~mem90#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 33716#L2227-205 assume main_#t~mem90#1.base != 0 || main_#t~mem90#1.offset != 0;havoc main_#t~mem90#1.base, main_#t~mem90#1.offset;call main_#t~mem91#1.base, main_#t~mem91#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem91#1.base, 12 + main_#t~mem91#1.offset, 4);havoc main_#t~mem91#1.base, main_#t~mem91#1.offset; 33717#L2227-207 call write~$Pointer$#3(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~mem93#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem92#1 := read~int#3(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short96#1 := main_#t~mem93#1 % 4294967296 >= 10 * (1 + main_#t~mem92#1) % 4294967296; 33255#L2227-208 assume main_#t~short96#1;call main_#t~mem94#1.base, main_#t~mem94#1.offset := read~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem95#1 := read~int#3(main_#t~mem94#1.base, 36 + main_#t~mem94#1.offset, 4);main_#t~short96#1 := 0 == main_#t~mem95#1 % 4294967296; 33256#L2227-210 assume !main_#t~short96#1;havoc main_#t~mem93#1;havoc main_#t~mem92#1;havoc main_#t~mem94#1.base, main_#t~mem94#1.offset;havoc main_#t~mem95#1;havoc main_#t~short96#1; 33163#L2227-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 33164#L2227-260 goto; 32704#L2227-262 havoc main_~_ha_bkt~0#1; 32705#L2227-263 goto; 34127#L2227-265 goto; 34128#L2227-267 havoc main_~_ha_hashv~0#1; 34135#L2227-268 goto; 34404#L2220-3 call main_#t~mem5#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#2(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 34406#L2220-4 [2023-11-29 06:23:41,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:23:41,333 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 9 times [2023-11-29 06:23:41,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:23:41,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777920544] [2023-11-29 06:23:41,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:23:41,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:23:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:23:41,345 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:23:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:23:41,355 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:23:41,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:23:41,356 INFO L85 PathProgramCache]: Analyzing trace with hash 51300246, now seen corresponding path program 1 times [2023-11-29 06:23:41,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:23:41,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302080730] [2023-11-29 06:23:41,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:23:41,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:23:41,395 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:23:41,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1624576834] [2023-11-29 06:23:41,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:23:41,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:23:41,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:23:41,398 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:23:41,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 06:23:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:23:41,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 06:23:41,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:23:41,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:23:41,870 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:23:41,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:23:41,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302080730] [2023-11-29 06:23:41,870 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:23:41,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624576834] [2023-11-29 06:23:41,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624576834] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:23:41,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:23:41,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:23:41,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257712972] [2023-11-29 06:23:41,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:23:41,872 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 06:23:41,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:23:41,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:23:41,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:23:41,873 INFO L87 Difference]: Start difference. First operand 1799 states and 2427 transitions. cyclomatic complexity: 631 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) [2023-11-29 06:23:42,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:23:42,372 INFO L93 Difference]: Finished difference Result 1805 states and 2435 transitions. [2023-11-29 06:23:42,372 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1805 states and 2435 transitions. [2023-11-29 06:23:42,377 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1798 [2023-11-29 06:23:42,386 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1805 states to 1805 states and 2435 transitions. [2023-11-29 06:23:42,386 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1805 [2023-11-29 06:23:42,388 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1805 [2023-11-29 06:23:42,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1805 states and 2435 transitions. [2023-11-29 06:23:42,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:23:42,390 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1805 states and 2435 transitions. [2023-11-29 06:23:42,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1805 states and 2435 transitions. [2023-11-29 06:23:42,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1805 to 1801. [2023-11-29 06:23:42,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1801 states, 1797 states have (on average 1.3483583750695605) internal successors, (2423), 1796 states have internal predecessors, (2423), 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) [2023-11-29 06:23:42,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 1801 states and 2429 transitions. [2023-11-29 06:23:42,424 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1801 states and 2429 transitions. [2023-11-29 06:23:42,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:23:42,425 INFO L428 stractBuchiCegarLoop]: Abstraction has 1801 states and 2429 transitions. [2023-11-29 06:23:42,425 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-29 06:23:42,425 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1801 states and 2429 transitions. [2023-11-29 06:23:42,431 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1794 [2023-11-29 06:23:42,431 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:23:42,431 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:23:42,432 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:23:42,432 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] [2023-11-29 06:23:42,432 INFO L748 eck$LassoCheckResult]: Stem: 36713#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 36714#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~switch33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#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~malloc54#1.base, main_#t~malloc54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~memset~res57#1.base, main_#t~memset~res57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~malloc63#1.base, main_#t~malloc63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~memset~res70#1.base, main_#t~memset~res70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1, main_#t~post81#1, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1, main_#t~nondet84#1, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~post88#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem93#1, main_#t~mem92#1, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1, main_#t~short96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~malloc99#1.base, main_#t~malloc99#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, main_#t~memset~res104#1.base, main_#t~memset~res104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem114#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~nondet115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem126#1, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1, main_#t~nondet127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~pre130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~post135#1, main_#t~mem139#1, main_#t~mem137#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem138#1, main_#t~mem140#1, main_#t~post141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~post117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1.base, main_#t~mem146#1.offset, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1, main_#t~post151#1, 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~ite161#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_#t~mem160#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_#t~mem163#1, main_#t~mem164#1.base, main_#t~mem164#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~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem168#1, main_#t~mem167#1, main_#t~mem169#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem171#1, main_#t~mem173#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem175#1, main_#t~mem177#1, main_#t~mem178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~nondet187#1, main_#t~switch188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~mem199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_#t~nondet208#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~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1, main_#t~nondet211#1, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1, main_#t~mem220#1, main_#t~mem221#1, main_#t~short222#1, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~ret224#1, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem165#1, main_#t~mem166#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 38251#L2220-4 [2023-11-29 06:23:42,432 INFO L750 eck$LassoCheckResult]: Loop: 38251#L2220-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 37923#L2220-1 assume !!(main_#t~mem7#1 < 1000);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 37557#L2222 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 37187#L2222-2 call main_#t~mem9#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 37124#L2227-269 havoc main_~_ha_hashv~0#1; 37125#L2227-176 goto; 38232#L2227-174 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; 38265#L2227-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 38131#L2227-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 37301#L2227-73 assume !main_#t~switch33#1; 37302#L2227-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 36866#L2227-76 assume !main_#t~switch33#1; 36867#L2227-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 37200#L2227-79 assume !main_#t~switch33#1; 37201#L2227-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 37782#L2227-82 assume !main_#t~switch33#1; 38043#L2227-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 38172#L2227-85 assume !main_#t~switch33#1; 37539#L2227-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 37540#L2227-88 assume !main_#t~switch33#1; 37571#L2227-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 37572#L2227-91 assume !main_#t~switch33#1; 38162#L2227-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 38163#L2227-94 assume main_#t~switch33#1;call main_#t~mem41#1 := read~int#3(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~mem41#1 % 256 % 4294967296);havoc main_#t~mem41#1; 37751#L2227-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 37752#L2227-97 assume main_#t~switch33#1;call main_#t~mem42#1 := read~int#3(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~mem42#1 % 256 % 4294967296);havoc main_#t~mem42#1; 37096#L2227-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 37097#L2227-100 assume main_#t~switch33#1;call main_#t~mem43#1 := read~int#3(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~mem43#1 % 256 % 4294967296);havoc main_#t~mem43#1; 38042#L2227-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 37452#L2227-103 assume main_#t~switch33#1;call main_#t~mem44#1 := read~int#3(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~mem44#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem44#1 % 256 % 4294967296 else main_#t~mem44#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem44#1; 37209#L2227-105 havoc main_#t~switch33#1; 37210#L2227-171 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; 37336#L2227-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet45#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 37617#L2227-113 main_~_hj_i~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#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; 38012#L2227-114 assume !(0 == main_~_hj_j~0#1 % 4294967296); 37054#L2227-116 assume 0 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296;main_#t~nondet46#1 := main_~_hj_j~0#1; 37056#L2227-120 main_~_hj_j~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#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; 37323#L2227-121 assume !(0 == main_~_ha_hashv~0#1 % 4294967296); 37678#L2227-123 assume 0 == main_~_hj_j~0#1 % 4294967296 / 8192 % 4294967296;main_#t~nondet47#1 := main_~_ha_hashv~0#1; 36627#L2227-127 main_~_ha_hashv~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 36628#L2227-128 assume !(0 == main_~_hj_i~0#1 % 4294967296); 37347#L2227-130 assume 0 == main_~_ha_hashv~0#1 % 4294967296 / 4096 % 4294967296;main_#t~nondet48#1 := main_~_hj_i~0#1; 38193#L2227-134 main_~_hj_i~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#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; 38276#L2227-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 36970#L2227-141 main_~_hj_j~0#1 := main_#t~nondet49#1;havoc main_#t~nondet49#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; 38274#L2227-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet50#1 := main_~_hj_j~0#1 % 4294967296 / 32; 37577#L2227-148 main_~_ha_hashv~0#1 := main_#t~nondet50#1;havoc main_#t~nondet50#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; 38072#L2227-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 37443#L2227-155 main_~_hj_i~0#1 := main_#t~nondet51#1;havoc main_#t~nondet51#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; 36742#L2227-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 36744#L2227-162 main_~_hj_j~0#1 := main_#t~nondet52#1;havoc main_#t~nondet52#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; 38230#L2227-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 37409#L2227-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 37410#L2227-170 goto; 38213#L2227-172 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; 37298#L2227-173 goto; 37299#L2227-175 goto; 37776#L2227-266 call write~int#3(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$#3(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#3(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 37733#L2227-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem71#1.base, main_#t~mem71#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset; 37109#L2227-194 call write~$Pointer$#3(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$#3(main_#t~mem72#1.base, 16 + main_#t~mem72#1.offset, 4);call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int#3(main_#t~mem74#1.base, 20 + main_#t~mem74#1.offset, 4);call write~$Pointer$#3(main_#t~mem73#1.base, main_#t~mem73#1.offset - main_#t~mem75#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;havoc main_#t~mem73#1.base, main_#t~mem73#1.offset;havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;call main_#t~mem76#1.base, main_#t~mem76#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$#3(main_#t~mem76#1.base, 16 + main_#t~mem76#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem77#1.base, 8 + main_#t~mem77#1.offset, 4);havoc main_#t~mem76#1.base, main_#t~mem76#1.offset;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;call main_#t~mem78#1.base, main_#t~mem78#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem78#1.base, 16 + main_#t~mem78#1.offset, 4);havoc main_#t~mem78#1.base, main_#t~mem78#1.offset; 37110#L2227-193 goto; 37135#L2227-264 havoc main_~_ha_bkt~0#1;call main_#t~mem79#1.base, main_#t~mem79#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem80#1 := read~int#3(main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);main_#t~post81#1 := main_#t~mem80#1;call write~int#3(1 + main_#t~post81#1, main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);havoc main_#t~mem79#1.base, main_#t~mem79#1.offset;havoc main_#t~mem80#1;havoc main_#t~post81#1; 38206#L2227-203 call main_#t~mem82#1.base, main_#t~mem82#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem83#1 := read~int#3(main_#t~mem82#1.base, 4 + main_#t~mem82#1.offset, 4); 38226#L2227-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 37418#L2227-201 main_~_ha_bkt~0#1 := main_#t~nondet84#1;havoc main_#t~mem82#1.base, main_#t~mem82#1.offset;havoc main_#t~mem83#1;havoc main_#t~nondet84#1; 37353#L2227-202 goto; 37354#L2227-261 call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$#3(main_#t~mem85#1.base, main_#t~mem85#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem86#1.base, main_#t~mem86#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~mem85#1.base, main_#t~mem85#1.offset;havoc main_#t~mem86#1.base, main_#t~mem86#1.offset;call main_#t~mem87#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post88#1 := main_#t~mem87#1;call write~int#3(1 + main_#t~post88#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem87#1;havoc main_#t~post88#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem89#1.base, main_#t~mem89#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;call write~$Pointer$#3(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem90#1.base, main_#t~mem90#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 37564#L2227-205 assume main_#t~mem90#1.base != 0 || main_#t~mem90#1.offset != 0;havoc main_#t~mem90#1.base, main_#t~mem90#1.offset;call main_#t~mem91#1.base, main_#t~mem91#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem91#1.base, 12 + main_#t~mem91#1.offset, 4);havoc main_#t~mem91#1.base, main_#t~mem91#1.offset; 37565#L2227-207 call write~$Pointer$#3(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~mem93#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem92#1 := read~int#3(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short96#1 := main_#t~mem93#1 % 4294967296 >= 10 * (1 + main_#t~mem92#1) % 4294967296; 37106#L2227-208 assume main_#t~short96#1;call main_#t~mem94#1.base, main_#t~mem94#1.offset := read~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem95#1 := read~int#3(main_#t~mem94#1.base, 36 + main_#t~mem94#1.offset, 4);main_#t~short96#1 := 0 == main_#t~mem95#1 % 4294967296; 37107#L2227-210 assume !main_#t~short96#1;havoc main_#t~mem93#1;havoc main_#t~mem92#1;havoc main_#t~mem94#1.base, main_#t~mem94#1.offset;havoc main_#t~mem95#1;havoc main_#t~short96#1; 37014#L2227-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 37015#L2227-260 goto; 36555#L2227-262 havoc main_~_ha_bkt~0#1; 36556#L2227-263 goto; 37973#L2227-265 goto; 37974#L2227-267 havoc main_~_ha_hashv~0#1; 37981#L2227-268 goto; 38249#L2220-3 call main_#t~mem5#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#2(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 38251#L2220-4 [2023-11-29 06:23:42,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:23:42,433 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 10 times [2023-11-29 06:23:42,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:23:42,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094557187] [2023-11-29 06:23:42,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:23:42,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:23:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:23:42,444 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:23:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:23:42,457 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:23:42,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:23:42,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1363892932, now seen corresponding path program 1 times [2023-11-29 06:23:42,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:23:42,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002079920] [2023-11-29 06:23:42,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:23:42,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:23:42,501 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:23:42,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1320356741] [2023-11-29 06:23:42,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:23:42,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:23:42,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:23:42,508 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:23:42,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 06:23:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:23:42,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-29 06:23:42,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:23:43,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:23:43,016 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:23:43,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:23:43,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002079920] [2023-11-29 06:23:43,016 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:23:43,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320356741] [2023-11-29 06:23:43,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320356741] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:23:43,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:23:43,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:23:43,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408209535] [2023-11-29 06:23:43,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:23:43,017 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 06:23:43,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:23:43,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:23:43,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:23:43,018 INFO L87 Difference]: Start difference. First operand 1801 states and 2429 transitions. cyclomatic complexity: 631 Second operand has 10 states, 10 states have (on average 7.9) internal successors, (79), 10 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) [2023-11-29 06:23:43,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:23:43,622 INFO L93 Difference]: Finished difference Result 1802 states and 2429 transitions. [2023-11-29 06:23:43,622 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1802 states and 2429 transitions. [2023-11-29 06:23:43,628 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1795 [2023-11-29 06:23:43,637 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1802 states to 1802 states and 2429 transitions. [2023-11-29 06:23:43,637 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1802 [2023-11-29 06:23:43,638 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1802 [2023-11-29 06:23:43,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1802 states and 2429 transitions. [2023-11-29 06:23:43,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:23:43,640 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1802 states and 2429 transitions. [2023-11-29 06:23:43,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1802 states and 2429 transitions. [2023-11-29 06:23:43,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1802 to 1801. [2023-11-29 06:23:43,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1801 states, 1797 states have (on average 1.3478018920422927) internal successors, (2422), 1796 states have internal predecessors, (2422), 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) [2023-11-29 06:23:43,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 1801 states and 2428 transitions. [2023-11-29 06:23:43,703 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1801 states and 2428 transitions. [2023-11-29 06:23:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:23:43,704 INFO L428 stractBuchiCegarLoop]: Abstraction has 1801 states and 2428 transitions. [2023-11-29 06:23:43,704 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-29 06:23:43,704 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1801 states and 2428 transitions. [2023-11-29 06:23:43,710 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1794 [2023-11-29 06:23:43,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:23:43,710 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:23:43,711 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:23:43,711 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] [2023-11-29 06:23:43,711 INFO L748 eck$LassoCheckResult]: Stem: 40563#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 40564#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~switch33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#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~malloc54#1.base, main_#t~malloc54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~memset~res57#1.base, main_#t~memset~res57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~malloc63#1.base, main_#t~malloc63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~memset~res70#1.base, main_#t~memset~res70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1, main_#t~post81#1, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1, main_#t~nondet84#1, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~post88#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem93#1, main_#t~mem92#1, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1, main_#t~short96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~malloc99#1.base, main_#t~malloc99#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, main_#t~memset~res104#1.base, main_#t~memset~res104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem114#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~nondet115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem126#1, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1, main_#t~nondet127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~pre130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~post135#1, main_#t~mem139#1, main_#t~mem137#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem138#1, main_#t~mem140#1, main_#t~post141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~post117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1.base, main_#t~mem146#1.offset, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1, main_#t~post151#1, 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~ite161#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_#t~mem160#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_#t~mem163#1, main_#t~mem164#1.base, main_#t~mem164#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~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem168#1, main_#t~mem167#1, main_#t~mem169#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem171#1, main_#t~mem173#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem175#1, main_#t~mem177#1, main_#t~mem178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~nondet187#1, main_#t~switch188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~mem199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_#t~nondet208#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~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1, main_#t~nondet211#1, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1, main_#t~mem220#1, main_#t~mem221#1, main_#t~short222#1, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~ret224#1, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem165#1, main_#t~mem166#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 42102#L2220-4 [2023-11-29 06:23:43,711 INFO L750 eck$LassoCheckResult]: Loop: 42102#L2220-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 41774#L2220-1 assume !!(main_#t~mem7#1 < 1000);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 41408#L2222 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 41036#L2222-2 call main_#t~mem9#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 40973#L2227-269 havoc main_~_ha_hashv~0#1; 40974#L2227-176 goto; 42082#L2227-174 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; 42115#L2227-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 41981#L2227-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 41150#L2227-73 assume !main_#t~switch33#1; 41151#L2227-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 40716#L2227-76 assume !main_#t~switch33#1; 40717#L2227-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 41049#L2227-79 assume !main_#t~switch33#1; 41050#L2227-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 41633#L2227-82 assume !main_#t~switch33#1; 41894#L2227-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 42022#L2227-85 assume !main_#t~switch33#1; 41390#L2227-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 41391#L2227-88 assume !main_#t~switch33#1; 41422#L2227-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 41423#L2227-91 assume !main_#t~switch33#1; 42012#L2227-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 42013#L2227-94 assume main_#t~switch33#1;call main_#t~mem41#1 := read~int#3(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~mem41#1 % 256 % 4294967296);havoc main_#t~mem41#1; 41602#L2227-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 41603#L2227-97 assume main_#t~switch33#1;call main_#t~mem42#1 := read~int#3(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~mem42#1 % 256 % 4294967296);havoc main_#t~mem42#1; 40945#L2227-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 40946#L2227-100 assume main_#t~switch33#1;call main_#t~mem43#1 := read~int#3(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~mem43#1 % 256 % 4294967296);havoc main_#t~mem43#1; 41893#L2227-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 41303#L2227-103 assume main_#t~switch33#1;call main_#t~mem44#1 := read~int#3(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~mem44#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem44#1 % 256 % 4294967296 else main_#t~mem44#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem44#1; 41058#L2227-105 havoc main_#t~switch33#1; 41059#L2227-171 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; 41186#L2227-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet45#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 41468#L2227-113 main_~_hj_i~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#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; 41863#L2227-114 assume !(0 == main_~_hj_j~0#1 % 4294967296); 40904#L2227-116 assume !(0 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296); 40905#L2227-118 assume !(main_~_hj_j~0#1 % 4294967296 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296);assume main_#t~nondet46#1 % 4294967296 <= main_~_hj_j~0#1 % 4294967296 + 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296; 42109#L2227-120 main_~_hj_j~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#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; 42133#L2227-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet47#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 40477#L2227-127 main_~_ha_hashv~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 40478#L2227-128 assume !(0 == main_~_hj_i~0#1 % 4294967296); 41198#L2227-130 assume 0 == main_~_ha_hashv~0#1 % 4294967296 / 4096 % 4294967296;main_#t~nondet48#1 := main_~_hj_i~0#1; 42043#L2227-134 main_~_hj_i~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#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; 42126#L2227-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 40820#L2227-141 main_~_hj_j~0#1 := main_#t~nondet49#1;havoc main_#t~nondet49#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; 42124#L2227-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet50#1 := main_~_hj_j~0#1 % 4294967296 / 32; 41428#L2227-148 main_~_ha_hashv~0#1 := main_#t~nondet50#1;havoc main_#t~nondet50#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; 41922#L2227-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 41294#L2227-155 main_~_hj_i~0#1 := main_#t~nondet51#1;havoc main_#t~nondet51#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; 40592#L2227-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 40594#L2227-162 main_~_hj_j~0#1 := main_#t~nondet52#1;havoc main_#t~nondet52#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; 42080#L2227-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 41260#L2227-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 41261#L2227-170 goto; 42063#L2227-172 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; 41147#L2227-173 goto; 41148#L2227-175 goto; 41627#L2227-266 call write~int#3(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$#3(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#3(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 41584#L2227-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem71#1.base, main_#t~mem71#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset; 40958#L2227-194 call write~$Pointer$#3(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$#3(main_#t~mem72#1.base, 16 + main_#t~mem72#1.offset, 4);call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int#3(main_#t~mem74#1.base, 20 + main_#t~mem74#1.offset, 4);call write~$Pointer$#3(main_#t~mem73#1.base, main_#t~mem73#1.offset - main_#t~mem75#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;havoc main_#t~mem73#1.base, main_#t~mem73#1.offset;havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;call main_#t~mem76#1.base, main_#t~mem76#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$#3(main_#t~mem76#1.base, 16 + main_#t~mem76#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem77#1.base, 8 + main_#t~mem77#1.offset, 4);havoc main_#t~mem76#1.base, main_#t~mem76#1.offset;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;call main_#t~mem78#1.base, main_#t~mem78#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem78#1.base, 16 + main_#t~mem78#1.offset, 4);havoc main_#t~mem78#1.base, main_#t~mem78#1.offset; 40959#L2227-193 goto; 40984#L2227-264 havoc main_~_ha_bkt~0#1;call main_#t~mem79#1.base, main_#t~mem79#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem80#1 := read~int#3(main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);main_#t~post81#1 := main_#t~mem80#1;call write~int#3(1 + main_#t~post81#1, main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);havoc main_#t~mem79#1.base, main_#t~mem79#1.offset;havoc main_#t~mem80#1;havoc main_#t~post81#1; 42056#L2227-203 call main_#t~mem82#1.base, main_#t~mem82#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem83#1 := read~int#3(main_#t~mem82#1.base, 4 + main_#t~mem82#1.offset, 4); 42076#L2227-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 41269#L2227-201 main_~_ha_bkt~0#1 := main_#t~nondet84#1;havoc main_#t~mem82#1.base, main_#t~mem82#1.offset;havoc main_#t~mem83#1;havoc main_#t~nondet84#1; 41204#L2227-202 goto; 41205#L2227-261 call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$#3(main_#t~mem85#1.base, main_#t~mem85#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem86#1.base, main_#t~mem86#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~mem85#1.base, main_#t~mem85#1.offset;havoc main_#t~mem86#1.base, main_#t~mem86#1.offset;call main_#t~mem87#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post88#1 := main_#t~mem87#1;call write~int#3(1 + main_#t~post88#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem87#1;havoc main_#t~post88#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem89#1.base, main_#t~mem89#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;call write~$Pointer$#3(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem90#1.base, main_#t~mem90#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 41415#L2227-205 assume main_#t~mem90#1.base != 0 || main_#t~mem90#1.offset != 0;havoc main_#t~mem90#1.base, main_#t~mem90#1.offset;call main_#t~mem91#1.base, main_#t~mem91#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem91#1.base, 12 + main_#t~mem91#1.offset, 4);havoc main_#t~mem91#1.base, main_#t~mem91#1.offset; 41416#L2227-207 call write~$Pointer$#3(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~mem93#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem92#1 := read~int#3(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short96#1 := main_#t~mem93#1 % 4294967296 >= 10 * (1 + main_#t~mem92#1) % 4294967296; 40955#L2227-208 assume main_#t~short96#1;call main_#t~mem94#1.base, main_#t~mem94#1.offset := read~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem95#1 := read~int#3(main_#t~mem94#1.base, 36 + main_#t~mem94#1.offset, 4);main_#t~short96#1 := 0 == main_#t~mem95#1 % 4294967296; 40956#L2227-210 assume !main_#t~short96#1;havoc main_#t~mem93#1;havoc main_#t~mem92#1;havoc main_#t~mem94#1.base, main_#t~mem94#1.offset;havoc main_#t~mem95#1;havoc main_#t~short96#1; 40864#L2227-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 40865#L2227-260 goto; 40405#L2227-262 havoc main_~_ha_bkt~0#1; 40406#L2227-263 goto; 41824#L2227-265 goto; 41825#L2227-267 havoc main_~_ha_hashv~0#1; 41832#L2227-268 goto; 42100#L2220-3 call main_#t~mem5#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#2(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 42102#L2220-4 [2023-11-29 06:23:43,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:23:43,712 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 11 times [2023-11-29 06:23:43,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:23:43,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593827842] [2023-11-29 06:23:43,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:23:43,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:23:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:23:43,724 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:23:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:23:43,738 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:23:43,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:23:43,738 INFO L85 PathProgramCache]: Analyzing trace with hash 679898976, now seen corresponding path program 1 times [2023-11-29 06:23:43,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:23:43,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005538088] [2023-11-29 06:23:43,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:23:43,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:23:43,784 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:23:43,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [75955235] [2023-11-29 06:23:43,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:23:43,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:23:43,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:23:43,788 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:23:43,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 06:23:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:23:47,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 06:23:47,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:23:48,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:23:48,003 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:23:48,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:23:48,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005538088] [2023-11-29 06:23:48,003 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:23:48,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75955235] [2023-11-29 06:23:48,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75955235] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:23:48,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:23:48,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:23:48,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483565375] [2023-11-29 06:23:48,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:23:48,004 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 06:23:48,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:23:48,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:23:48,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:23:48,005 INFO L87 Difference]: Start difference. First operand 1801 states and 2428 transitions. cyclomatic complexity: 630 Second operand has 10 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:24:00,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:24:12,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:24:24,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:24:24,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:24:24,972 INFO L93 Difference]: Finished difference Result 1812 states and 2444 transitions. [2023-11-29 06:24:24,972 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1812 states and 2444 transitions. [2023-11-29 06:24:24,977 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1805 [2023-11-29 06:24:24,984 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1812 states to 1812 states and 2444 transitions. [2023-11-29 06:24:24,984 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1812 [2023-11-29 06:24:24,985 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1812 [2023-11-29 06:24:24,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1812 states and 2444 transitions. [2023-11-29 06:24:24,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:24:24,987 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1812 states and 2444 transitions. [2023-11-29 06:24:24,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states and 2444 transitions. [2023-11-29 06:24:25,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 1805. [2023-11-29 06:24:25,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1805 states, 1801 states have (on average 1.3475846751804552) internal successors, (2427), 1800 states have internal predecessors, (2427), 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) [2023-11-29 06:24:25,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1805 states and 2433 transitions. [2023-11-29 06:24:25,033 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1805 states and 2433 transitions. [2023-11-29 06:24:25,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 06:24:25,034 INFO L428 stractBuchiCegarLoop]: Abstraction has 1805 states and 2433 transitions. [2023-11-29 06:24:25,034 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-29 06:24:25,034 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1805 states and 2433 transitions. [2023-11-29 06:24:25,040 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1798 [2023-11-29 06:24:25,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:24:25,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:24:25,041 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:24:25,041 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, 1] [2023-11-29 06:24:25,041 INFO L748 eck$LassoCheckResult]: Stem: 44429#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 44430#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~switch33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#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~malloc54#1.base, main_#t~malloc54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~memset~res57#1.base, main_#t~memset~res57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~malloc63#1.base, main_#t~malloc63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~memset~res70#1.base, main_#t~memset~res70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1, main_#t~post81#1, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1, main_#t~nondet84#1, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~post88#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem93#1, main_#t~mem92#1, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1, main_#t~short96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~malloc99#1.base, main_#t~malloc99#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, main_#t~memset~res104#1.base, main_#t~memset~res104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem114#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~nondet115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem126#1, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1, main_#t~nondet127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~pre130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~post135#1, main_#t~mem139#1, main_#t~mem137#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem138#1, main_#t~mem140#1, main_#t~post141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~post117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1.base, main_#t~mem146#1.offset, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1, main_#t~post151#1, 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~ite161#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_#t~mem160#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_#t~mem163#1, main_#t~mem164#1.base, main_#t~mem164#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~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem168#1, main_#t~mem167#1, main_#t~mem169#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem171#1, main_#t~mem173#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem175#1, main_#t~mem177#1, main_#t~mem178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~nondet187#1, main_#t~switch188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~mem199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_#t~nondet208#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~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1, main_#t~nondet211#1, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1, main_#t~mem220#1, main_#t~mem221#1, main_#t~short222#1, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~ret224#1, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem165#1, main_#t~mem166#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 45969#L2220-4 [2023-11-29 06:24:25,042 INFO L750 eck$LassoCheckResult]: Loop: 45969#L2220-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 45640#L2220-1 assume !!(main_#t~mem7#1 < 1000);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 45274#L2222 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 44902#L2222-2 call main_#t~mem9#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 44839#L2227-269 havoc main_~_ha_hashv~0#1; 44840#L2227-176 goto; 45949#L2227-174 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; 45983#L2227-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 45849#L2227-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 45016#L2227-73 assume !main_#t~switch33#1; 45017#L2227-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 44582#L2227-76 assume !main_#t~switch33#1; 44583#L2227-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 44915#L2227-79 assume !main_#t~switch33#1; 44916#L2227-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 45499#L2227-82 assume !main_#t~switch33#1; 45761#L2227-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 45890#L2227-85 assume !main_#t~switch33#1; 45256#L2227-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 45257#L2227-88 assume !main_#t~switch33#1; 45288#L2227-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 45289#L2227-91 assume !main_#t~switch33#1; 45880#L2227-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 45881#L2227-94 assume main_#t~switch33#1;call main_#t~mem41#1 := read~int#3(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~mem41#1 % 256 % 4294967296);havoc main_#t~mem41#1; 45468#L2227-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 45469#L2227-97 assume main_#t~switch33#1;call main_#t~mem42#1 := read~int#3(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~mem42#1 % 256 % 4294967296);havoc main_#t~mem42#1; 44811#L2227-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 44812#L2227-100 assume main_#t~switch33#1;call main_#t~mem43#1 := read~int#3(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~mem43#1 % 256 % 4294967296);havoc main_#t~mem43#1; 45760#L2227-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 45169#L2227-103 assume main_#t~switch33#1;call main_#t~mem44#1 := read~int#3(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~mem44#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem44#1 % 256 % 4294967296 else main_#t~mem44#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem44#1; 44924#L2227-105 havoc main_#t~switch33#1; 44925#L2227-171 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; 45052#L2227-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet45#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 45334#L2227-113 main_~_hj_i~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#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; 45812#L2227-114 assume !(0 == main_~_hj_j~0#1 % 4294967296); 44770#L2227-116 assume !(0 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296); 44771#L2227-118 assume !(main_~_hj_j~0#1 % 4294967296 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296);assume main_#t~nondet46#1 % 4294967296 <= main_~_hj_j~0#1 % 4294967296 + 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296; 45976#L2227-120 main_~_hj_j~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#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; 46005#L2227-121 assume !(0 == main_~_ha_hashv~0#1 % 4294967296); 46004#L2227-123 assume !(0 == main_~_hj_j~0#1 % 4294967296 / 8192 % 4294967296); 46003#L2227-125 assume main_~_ha_hashv~0#1 % 4294967296 == main_~_hj_j~0#1 % 4294967296 / 8192 % 4294967296;main_#t~nondet47#1 := 0; 45929#L2227-127 main_~_ha_hashv~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 46001#L2227-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet48#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 45979#L2227-134 main_~_hj_i~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#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; 45996#L2227-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 44686#L2227-141 main_~_hj_j~0#1 := main_#t~nondet49#1;havoc main_#t~nondet49#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; 45994#L2227-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet50#1 := main_~_hj_j~0#1 % 4294967296 / 32; 45294#L2227-148 main_~_ha_hashv~0#1 := main_#t~nondet50#1;havoc main_#t~nondet50#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; 45789#L2227-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 45160#L2227-155 main_~_hj_i~0#1 := main_#t~nondet51#1;havoc main_#t~nondet51#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; 44458#L2227-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 44460#L2227-162 main_~_hj_j~0#1 := main_#t~nondet52#1;havoc main_#t~nondet52#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; 45947#L2227-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 45126#L2227-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 45127#L2227-170 goto; 45930#L2227-172 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; 45013#L2227-173 goto; 45014#L2227-175 goto; 45493#L2227-266 call write~int#3(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int#3(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 45450#L2227-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem71#1.base, main_#t~mem71#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset; 44824#L2227-194 call write~$Pointer$#3(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$#3(main_#t~mem72#1.base, 16 + main_#t~mem72#1.offset, 4);call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int#3(main_#t~mem74#1.base, 20 + main_#t~mem74#1.offset, 4);call write~$Pointer$#3(main_#t~mem73#1.base, main_#t~mem73#1.offset - main_#t~mem75#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;havoc main_#t~mem73#1.base, main_#t~mem73#1.offset;havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;call main_#t~mem76#1.base, main_#t~mem76#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$#3(main_#t~mem76#1.base, 16 + main_#t~mem76#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem77#1.base, 8 + main_#t~mem77#1.offset, 4);havoc main_#t~mem76#1.base, main_#t~mem76#1.offset;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;call main_#t~mem78#1.base, main_#t~mem78#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem78#1.base, 16 + main_#t~mem78#1.offset, 4);havoc main_#t~mem78#1.base, main_#t~mem78#1.offset; 44825#L2227-193 goto; 44850#L2227-264 havoc main_~_ha_bkt~0#1;call main_#t~mem79#1.base, main_#t~mem79#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem80#1 := read~int#3(main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);main_#t~post81#1 := main_#t~mem80#1;call write~int#3(1 + main_#t~post81#1, main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);havoc main_#t~mem79#1.base, main_#t~mem79#1.offset;havoc main_#t~mem80#1;havoc main_#t~post81#1; 45923#L2227-203 call main_#t~mem82#1.base, main_#t~mem82#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem83#1 := read~int#3(main_#t~mem82#1.base, 4 + main_#t~mem82#1.offset, 4); 45943#L2227-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 45135#L2227-201 main_~_ha_bkt~0#1 := main_#t~nondet84#1;havoc main_#t~mem82#1.base, main_#t~mem82#1.offset;havoc main_#t~mem83#1;havoc main_#t~nondet84#1; 45070#L2227-202 goto; 45071#L2227-261 call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$#3(main_#t~mem85#1.base, main_#t~mem85#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem86#1.base, main_#t~mem86#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem85#1.base, main_#t~mem85#1.offset;havoc main_#t~mem86#1.base, main_#t~mem86#1.offset;call main_#t~mem87#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post88#1 := main_#t~mem87#1;call write~int#3(1 + main_#t~post88#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem87#1;havoc main_#t~post88#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem89#1.base, main_#t~mem89#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;call write~$Pointer$#3(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem90#1.base, main_#t~mem90#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 45281#L2227-205 assume main_#t~mem90#1.base != 0 || main_#t~mem90#1.offset != 0;havoc main_#t~mem90#1.base, main_#t~mem90#1.offset;call main_#t~mem91#1.base, main_#t~mem91#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem91#1.base, 12 + main_#t~mem91#1.offset, 4);havoc main_#t~mem91#1.base, main_#t~mem91#1.offset; 45282#L2227-207 call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem93#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem92#1 := read~int#3(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short96#1 := main_#t~mem93#1 % 4294967296 >= 10 * (1 + main_#t~mem92#1) % 4294967296; 44821#L2227-208 assume main_#t~short96#1;call main_#t~mem94#1.base, main_#t~mem94#1.offset := read~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem95#1 := read~int#3(main_#t~mem94#1.base, 36 + main_#t~mem94#1.offset, 4);main_#t~short96#1 := 0 == main_#t~mem95#1 % 4294967296; 44822#L2227-210 assume !main_#t~short96#1;havoc main_#t~mem93#1;havoc main_#t~mem92#1;havoc main_#t~mem94#1.base, main_#t~mem94#1.offset;havoc main_#t~mem95#1;havoc main_#t~short96#1; 44730#L2227-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 44731#L2227-260 goto; 44271#L2227-262 havoc main_~_ha_bkt~0#1; 44272#L2227-263 goto; 45690#L2227-265 goto; 45691#L2227-267 havoc main_~_ha_hashv~0#1; 45698#L2227-268 goto; 45967#L2220-3 call main_#t~mem5#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#2(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 45969#L2220-4 [2023-11-29 06:24:25,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:24:25,042 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 12 times [2023-11-29 06:24:25,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:24:25,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642128014] [2023-11-29 06:24:25,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:24:25,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:24:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:24:25,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:24:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:24:25,067 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:24:25,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:24:25,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1081981429, now seen corresponding path program 1 times [2023-11-29 06:24:25,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:24:25,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678520655] [2023-11-29 06:24:25,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:24:25,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:24:25,112 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:24:25,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1582156250] [2023-11-29 06:24:25,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:24:25,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:24:25,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:24:25,122 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:24:25,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 06:24:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:37,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-29 06:24:37,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:24:37,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:24:37,998 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:24:37,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:24:37,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678520655] [2023-11-29 06:24:37,998 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:24:37,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582156250] [2023-11-29 06:24:37,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582156250] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:24:37,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:24:37,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:24:37,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283457086] [2023-11-29 06:24:37,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:24:37,999 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 06:24:37,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:24:38,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:24:38,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:24:38,001 INFO L87 Difference]: Start difference. First operand 1805 states and 2433 transitions. cyclomatic complexity: 631 Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 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) [2023-11-29 06:24:38,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:24:38,432 INFO L93 Difference]: Finished difference Result 1821 states and 2454 transitions. [2023-11-29 06:24:38,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1821 states and 2454 transitions. [2023-11-29 06:24:38,437 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1814 [2023-11-29 06:24:38,443 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1821 states to 1821 states and 2454 transitions. [2023-11-29 06:24:38,443 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1821 [2023-11-29 06:24:38,445 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1821 [2023-11-29 06:24:38,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1821 states and 2454 transitions. [2023-11-29 06:24:38,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:24:38,448 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1821 states and 2454 transitions. [2023-11-29 06:24:38,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1821 states and 2454 transitions. [2023-11-29 06:24:38,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1821 to 1816. [2023-11-29 06:24:38,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1816 states, 1812 states have (on average 1.348233995584989) internal successors, (2443), 1811 states have internal predecessors, (2443), 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) [2023-11-29 06:24:38,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1816 states and 2449 transitions. [2023-11-29 06:24:38,482 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1816 states and 2449 transitions. [2023-11-29 06:24:38,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 06:24:38,483 INFO L428 stractBuchiCegarLoop]: Abstraction has 1816 states and 2449 transitions. [2023-11-29 06:24:38,483 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2023-11-29 06:24:38,483 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1816 states and 2449 transitions. [2023-11-29 06:24:38,488 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1809 [2023-11-29 06:24:38,488 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:24:38,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:24:38,489 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:24:38,489 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, 1] [2023-11-29 06:24:38,489 INFO L748 eck$LassoCheckResult]: Stem: 48311#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 48312#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~switch33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#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~malloc54#1.base, main_#t~malloc54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~memset~res57#1.base, main_#t~memset~res57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~malloc63#1.base, main_#t~malloc63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~memset~res70#1.base, main_#t~memset~res70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1, main_#t~post81#1, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1, main_#t~nondet84#1, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~post88#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem93#1, main_#t~mem92#1, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1, main_#t~short96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~malloc99#1.base, main_#t~malloc99#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, main_#t~memset~res104#1.base, main_#t~memset~res104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem114#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~nondet115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem126#1, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1, main_#t~nondet127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~pre130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~post135#1, main_#t~mem139#1, main_#t~mem137#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem138#1, main_#t~mem140#1, main_#t~post141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~post117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1.base, main_#t~mem146#1.offset, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1, main_#t~post151#1, 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~ite161#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_#t~mem160#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_#t~mem163#1, main_#t~mem164#1.base, main_#t~mem164#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~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem168#1, main_#t~mem167#1, main_#t~mem169#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem171#1, main_#t~mem173#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem175#1, main_#t~mem177#1, main_#t~mem178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~nondet187#1, main_#t~switch188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~mem199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_#t~nondet208#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~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1, main_#t~nondet211#1, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1, main_#t~mem220#1, main_#t~mem221#1, main_#t~short222#1, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~ret224#1, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem165#1, main_#t~mem166#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 49856#L2220-4 [2023-11-29 06:24:38,490 INFO L750 eck$LassoCheckResult]: Loop: 49856#L2220-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 49523#L2220-1 assume !!(main_#t~mem7#1 < 1000);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 49155#L2222 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 48784#L2222-2 call main_#t~mem9#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 48721#L2227-269 havoc main_~_ha_hashv~0#1; 48722#L2227-176 goto; 49835#L2227-174 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; 49870#L2227-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 49734#L2227-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 48898#L2227-73 assume !main_#t~switch33#1; 48899#L2227-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 48464#L2227-76 assume !main_#t~switch33#1; 48465#L2227-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 48797#L2227-79 assume !main_#t~switch33#1; 48798#L2227-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 49381#L2227-82 assume !main_#t~switch33#1; 49643#L2227-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 49775#L2227-85 assume !main_#t~switch33#1; 49137#L2227-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 49138#L2227-88 assume !main_#t~switch33#1; 49170#L2227-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 49171#L2227-91 assume !main_#t~switch33#1; 49765#L2227-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 49766#L2227-94 assume main_#t~switch33#1;call main_#t~mem41#1 := read~int#3(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~mem41#1 % 256 % 4294967296);havoc main_#t~mem41#1; 49350#L2227-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 49351#L2227-97 assume main_#t~switch33#1;call main_#t~mem42#1 := read~int#3(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~mem42#1 % 256 % 4294967296);havoc main_#t~mem42#1; 48693#L2227-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 48694#L2227-100 assume main_#t~switch33#1;call main_#t~mem43#1 := read~int#3(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~mem43#1 % 256 % 4294967296);havoc main_#t~mem43#1; 49642#L2227-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 49050#L2227-103 assume main_#t~switch33#1;call main_#t~mem44#1 := read~int#3(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~mem44#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem44#1 % 256 % 4294967296 else main_#t~mem44#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem44#1; 48806#L2227-105 havoc main_#t~switch33#1; 48807#L2227-171 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; 48934#L2227-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet45#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 49216#L2227-113 main_~_hj_i~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#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; 49612#L2227-114 assume !(0 == main_~_hj_j~0#1 % 4294967296); 48652#L2227-116 assume !(0 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296); 48653#L2227-118 assume !(main_~_hj_j~0#1 % 4294967296 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296);assume main_#t~nondet46#1 % 4294967296 <= main_~_hj_j~0#1 % 4294967296 + 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296; 49897#L2227-120 main_~_hj_j~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#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; 49896#L2227-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet47#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 49888#L2227-127 main_~_ha_hashv~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 49886#L2227-128 assume !(0 == main_~_hj_i~0#1 % 4294967296); 49885#L2227-130 assume !(0 == main_~_ha_hashv~0#1 % 4294967296 / 4096 % 4294967296); 49866#L2227-132 assume !(main_~_hj_i~0#1 % 4294967296 == main_~_ha_hashv~0#1 % 4294967296 / 4096 % 4294967296);assume main_#t~nondet48#1 % 4294967296 <= main_~_hj_i~0#1 % 4294967296 + main_~_ha_hashv~0#1 % 4294967296 / 4096 % 4294967296; 49797#L2227-134 main_~_hj_i~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#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; 49891#L2227-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 48568#L2227-141 main_~_hj_j~0#1 := main_#t~nondet49#1;havoc main_#t~nondet49#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; 49879#L2227-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet50#1 := main_~_hj_j~0#1 % 4294967296 / 32; 49176#L2227-148 main_~_ha_hashv~0#1 := main_#t~nondet50#1;havoc main_#t~nondet50#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; 49672#L2227-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 49041#L2227-155 main_~_hj_i~0#1 := main_#t~nondet51#1;havoc main_#t~nondet51#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; 48340#L2227-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 48342#L2227-162 main_~_hj_j~0#1 := main_#t~nondet52#1;havoc main_#t~nondet52#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; 49833#L2227-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 49007#L2227-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 49008#L2227-170 goto; 49816#L2227-172 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; 48895#L2227-173 goto; 48896#L2227-175 goto; 49375#L2227-266 call write~int#3(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int#3(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 49332#L2227-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem71#1.base, main_#t~mem71#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset; 48706#L2227-194 call write~$Pointer$#3(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$#3(main_#t~mem72#1.base, 16 + main_#t~mem72#1.offset, 4);call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int#3(main_#t~mem74#1.base, 20 + main_#t~mem74#1.offset, 4);call write~$Pointer$#3(main_#t~mem73#1.base, main_#t~mem73#1.offset - main_#t~mem75#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;havoc main_#t~mem73#1.base, main_#t~mem73#1.offset;havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;call main_#t~mem76#1.base, main_#t~mem76#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$#3(main_#t~mem76#1.base, 16 + main_#t~mem76#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem77#1.base, 8 + main_#t~mem77#1.offset, 4);havoc main_#t~mem76#1.base, main_#t~mem76#1.offset;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;call main_#t~mem78#1.base, main_#t~mem78#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem78#1.base, 16 + main_#t~mem78#1.offset, 4);havoc main_#t~mem78#1.base, main_#t~mem78#1.offset; 48707#L2227-193 goto; 48732#L2227-264 havoc main_~_ha_bkt~0#1;call main_#t~mem79#1.base, main_#t~mem79#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem80#1 := read~int#3(main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);main_#t~post81#1 := main_#t~mem80#1;call write~int#3(1 + main_#t~post81#1, main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);havoc main_#t~mem79#1.base, main_#t~mem79#1.offset;havoc main_#t~mem80#1;havoc main_#t~post81#1; 49809#L2227-203 call main_#t~mem82#1.base, main_#t~mem82#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem83#1 := read~int#3(main_#t~mem82#1.base, 4 + main_#t~mem82#1.offset, 4); 49829#L2227-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 49016#L2227-201 main_~_ha_bkt~0#1 := main_#t~nondet84#1;havoc main_#t~mem82#1.base, main_#t~mem82#1.offset;havoc main_#t~mem83#1;havoc main_#t~nondet84#1; 48951#L2227-202 goto; 48952#L2227-261 call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$#3(main_#t~mem85#1.base, main_#t~mem85#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem86#1.base, main_#t~mem86#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem85#1.base, main_#t~mem85#1.offset;havoc main_#t~mem86#1.base, main_#t~mem86#1.offset;call main_#t~mem87#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post88#1 := main_#t~mem87#1;call write~int#3(1 + main_#t~post88#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem87#1;havoc main_#t~post88#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem89#1.base, main_#t~mem89#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;call write~$Pointer$#3(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem90#1.base, main_#t~mem90#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 49162#L2227-205 assume main_#t~mem90#1.base != 0 || main_#t~mem90#1.offset != 0;havoc main_#t~mem90#1.base, main_#t~mem90#1.offset;call main_#t~mem91#1.base, main_#t~mem91#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem91#1.base, 12 + main_#t~mem91#1.offset, 4);havoc main_#t~mem91#1.base, main_#t~mem91#1.offset; 49163#L2227-207 call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem93#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem92#1 := read~int#3(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short96#1 := main_#t~mem93#1 % 4294967296 >= 10 * (1 + main_#t~mem92#1) % 4294967296; 48703#L2227-208 assume main_#t~short96#1;call main_#t~mem94#1.base, main_#t~mem94#1.offset := read~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem95#1 := read~int#3(main_#t~mem94#1.base, 36 + main_#t~mem94#1.offset, 4);main_#t~short96#1 := 0 == main_#t~mem95#1 % 4294967296; 48704#L2227-210 assume !main_#t~short96#1;havoc main_#t~mem93#1;havoc main_#t~mem92#1;havoc main_#t~mem94#1.base, main_#t~mem94#1.offset;havoc main_#t~mem95#1;havoc main_#t~short96#1; 48612#L2227-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 48613#L2227-260 goto; 48153#L2227-262 havoc main_~_ha_bkt~0#1; 48154#L2227-263 goto; 49573#L2227-265 goto; 49574#L2227-267 havoc main_~_ha_hashv~0#1; 49581#L2227-268 goto; 49854#L2220-3 call main_#t~mem5#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#2(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 49856#L2220-4 [2023-11-29 06:24:38,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:24:38,490 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 13 times [2023-11-29 06:24:38,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:24:38,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595456585] [2023-11-29 06:24:38,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:24:38,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:24:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:24:38,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:24:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:24:38,513 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:24:38,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:24:38,514 INFO L85 PathProgramCache]: Analyzing trace with hash -2079656813, now seen corresponding path program 1 times [2023-11-29 06:24:38,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:24:38,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122299573] [2023-11-29 06:24:38,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:24:38,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:24:38,551 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:24:38,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1303590221] [2023-11-29 06:24:38,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:24:38,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:24:38,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:24:38,555 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:24:38,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 06:25:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:25:20,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-29 06:25:20,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:25:20,972 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:25:20,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 22 [2023-11-29 06:25:21,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:25:21,311 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:25:21,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:25:21,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122299573] [2023-11-29 06:25:21,311 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:25:21,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303590221] [2023-11-29 06:25:21,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303590221] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:25:21,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:25:21,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 06:25:21,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974872661] [2023-11-29 06:25:21,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:25:21,312 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 06:25:21,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:25:21,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 06:25:21,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:25:21,313 INFO L87 Difference]: Start difference. First operand 1816 states and 2449 transitions. cyclomatic complexity: 636 Second operand has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 13 states have internal predecessors, (80), 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) [2023-11-29 06:25:22,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:25:22,906 INFO L93 Difference]: Finished difference Result 1811 states and 2440 transitions. [2023-11-29 06:25:22,906 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1811 states and 2440 transitions. [2023-11-29 06:25:22,911 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1804 [2023-11-29 06:25:22,917 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1811 states to 1811 states and 2440 transitions. [2023-11-29 06:25:22,917 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1811 [2023-11-29 06:25:22,918 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1811 [2023-11-29 06:25:22,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1811 states and 2440 transitions. [2023-11-29 06:25:22,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:25:22,920 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1811 states and 2440 transitions. [2023-11-29 06:25:22,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states and 2440 transitions. [2023-11-29 06:25:22,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1805. [2023-11-29 06:25:22,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1805 states, 1801 states have (on average 1.3475846751804552) internal successors, (2427), 1800 states have internal predecessors, (2427), 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) [2023-11-29 06:25:22,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1805 states and 2433 transitions. [2023-11-29 06:25:22,951 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1805 states and 2433 transitions. [2023-11-29 06:25:22,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 06:25:22,952 INFO L428 stractBuchiCegarLoop]: Abstraction has 1805 states and 2433 transitions. [2023-11-29 06:25:22,952 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2023-11-29 06:25:22,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1805 states and 2433 transitions. [2023-11-29 06:25:22,958 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1798 [2023-11-29 06:25:22,958 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:25:22,958 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:25:22,959 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:25:22,959 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, 1] [2023-11-29 06:25:22,959 INFO L748 eck$LassoCheckResult]: Stem: 52195#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 52196#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~switch33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#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~malloc54#1.base, main_#t~malloc54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~memset~res57#1.base, main_#t~memset~res57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~malloc63#1.base, main_#t~malloc63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~memset~res70#1.base, main_#t~memset~res70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1, main_#t~post81#1, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1, main_#t~nondet84#1, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~post88#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem93#1, main_#t~mem92#1, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1, main_#t~short96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~malloc99#1.base, main_#t~malloc99#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, main_#t~memset~res104#1.base, main_#t~memset~res104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem114#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~nondet115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem126#1, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1, main_#t~nondet127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~pre130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~post135#1, main_#t~mem139#1, main_#t~mem137#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem138#1, main_#t~mem140#1, main_#t~post141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~post117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1.base, main_#t~mem146#1.offset, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1, main_#t~post151#1, 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~ite161#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_#t~mem160#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_#t~mem163#1, main_#t~mem164#1.base, main_#t~mem164#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~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem168#1, main_#t~mem167#1, main_#t~mem169#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem171#1, main_#t~mem173#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem175#1, main_#t~mem177#1, main_#t~mem178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~nondet187#1, main_#t~switch188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~mem199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_#t~nondet208#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~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1, main_#t~nondet211#1, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1, main_#t~mem220#1, main_#t~mem221#1, main_#t~short222#1, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~ret224#1, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem165#1, main_#t~mem166#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 53734#L2220-4 [2023-11-29 06:25:22,960 INFO L750 eck$LassoCheckResult]: Loop: 53734#L2220-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 53406#L2220-1 assume !!(main_#t~mem7#1 < 1000);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 53040#L2222 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 52668#L2222-2 call main_#t~mem9#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 52605#L2227-269 havoc main_~_ha_hashv~0#1; 52606#L2227-176 goto; 53714#L2227-174 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; 53747#L2227-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 53613#L2227-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 52782#L2227-73 assume !main_#t~switch33#1; 52783#L2227-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 52348#L2227-76 assume !main_#t~switch33#1; 52349#L2227-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 52681#L2227-79 assume !main_#t~switch33#1; 52682#L2227-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 53265#L2227-82 assume !main_#t~switch33#1; 53526#L2227-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 53654#L2227-85 assume !main_#t~switch33#1; 53022#L2227-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 53023#L2227-88 assume !main_#t~switch33#1; 53054#L2227-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 53055#L2227-91 assume !main_#t~switch33#1; 53644#L2227-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 53645#L2227-94 assume main_#t~switch33#1;call main_#t~mem41#1 := read~int#3(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~mem41#1 % 256 % 4294967296);havoc main_#t~mem41#1; 53234#L2227-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 53235#L2227-97 assume main_#t~switch33#1;call main_#t~mem42#1 := read~int#3(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~mem42#1 % 256 % 4294967296);havoc main_#t~mem42#1; 52577#L2227-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 52578#L2227-100 assume main_#t~switch33#1;call main_#t~mem43#1 := read~int#3(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~mem43#1 % 256 % 4294967296);havoc main_#t~mem43#1; 53525#L2227-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 52935#L2227-103 assume main_#t~switch33#1;call main_#t~mem44#1 := read~int#3(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~mem44#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem44#1 % 256 % 4294967296 else main_#t~mem44#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem44#1; 52690#L2227-105 havoc main_#t~switch33#1; 52691#L2227-171 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; 52818#L2227-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet45#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 53100#L2227-113 main_~_hj_i~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#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; 53495#L2227-114 assume !(0 == main_~_hj_j~0#1 % 4294967296); 52536#L2227-116 assume !(0 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296); 52537#L2227-118 assume !(main_~_hj_j~0#1 % 4294967296 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296);assume main_#t~nondet46#1 % 4294967296 <= main_~_hj_j~0#1 % 4294967296 + 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296; 52804#L2227-120 main_~_hj_j~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#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; 52805#L2227-121 assume !(0 == main_~_ha_hashv~0#1 % 4294967296); 53161#L2227-123 assume 0 == main_~_hj_j~0#1 % 4294967296 / 8192 % 4294967296;main_#t~nondet47#1 := main_~_ha_hashv~0#1; 53715#L2227-127 main_~_ha_hashv~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 53765#L2227-128 assume !(0 == main_~_hj_i~0#1 % 4294967296); 53761#L2227-130 assume 0 == main_~_ha_hashv~0#1 % 4294967296 / 4096 % 4294967296;main_#t~nondet48#1 := main_~_hj_i~0#1; 53743#L2227-134 main_~_hj_i~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#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; 53758#L2227-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 52452#L2227-141 main_~_hj_j~0#1 := main_#t~nondet49#1;havoc main_#t~nondet49#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; 53756#L2227-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet50#1 := main_~_hj_j~0#1 % 4294967296 / 32; 53060#L2227-148 main_~_ha_hashv~0#1 := main_#t~nondet50#1;havoc main_#t~nondet50#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; 53554#L2227-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 52926#L2227-155 main_~_hj_i~0#1 := main_#t~nondet51#1;havoc main_#t~nondet51#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; 52224#L2227-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 52226#L2227-162 main_~_hj_j~0#1 := main_#t~nondet52#1;havoc main_#t~nondet52#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; 53712#L2227-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 52892#L2227-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 52893#L2227-170 goto; 53695#L2227-172 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; 52779#L2227-173 goto; 52780#L2227-175 goto; 53259#L2227-266 call write~int#3(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int#3(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 53216#L2227-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem71#1.base, main_#t~mem71#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset; 52590#L2227-194 call write~$Pointer$#3(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$#3(main_#t~mem72#1.base, 16 + main_#t~mem72#1.offset, 4);call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int#3(main_#t~mem74#1.base, 20 + main_#t~mem74#1.offset, 4);call write~$Pointer$#3(main_#t~mem73#1.base, main_#t~mem73#1.offset - main_#t~mem75#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;havoc main_#t~mem73#1.base, main_#t~mem73#1.offset;havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;call main_#t~mem76#1.base, main_#t~mem76#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$#3(main_#t~mem76#1.base, 16 + main_#t~mem76#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem77#1.base, 8 + main_#t~mem77#1.offset, 4);havoc main_#t~mem76#1.base, main_#t~mem76#1.offset;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;call main_#t~mem78#1.base, main_#t~mem78#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem78#1.base, 16 + main_#t~mem78#1.offset, 4);havoc main_#t~mem78#1.base, main_#t~mem78#1.offset; 52591#L2227-193 goto; 52616#L2227-264 havoc main_~_ha_bkt~0#1;call main_#t~mem79#1.base, main_#t~mem79#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem80#1 := read~int#3(main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);main_#t~post81#1 := main_#t~mem80#1;call write~int#3(1 + main_#t~post81#1, main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);havoc main_#t~mem79#1.base, main_#t~mem79#1.offset;havoc main_#t~mem80#1;havoc main_#t~post81#1; 53688#L2227-203 call main_#t~mem82#1.base, main_#t~mem82#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem83#1 := read~int#3(main_#t~mem82#1.base, 4 + main_#t~mem82#1.offset, 4); 53708#L2227-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 52901#L2227-201 main_~_ha_bkt~0#1 := main_#t~nondet84#1;havoc main_#t~mem82#1.base, main_#t~mem82#1.offset;havoc main_#t~mem83#1;havoc main_#t~nondet84#1; 52836#L2227-202 goto; 52837#L2227-261 call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$#3(main_#t~mem85#1.base, main_#t~mem85#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem86#1.base, main_#t~mem86#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem85#1.base, main_#t~mem85#1.offset;havoc main_#t~mem86#1.base, main_#t~mem86#1.offset;call main_#t~mem87#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post88#1 := main_#t~mem87#1;call write~int#3(1 + main_#t~post88#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem87#1;havoc main_#t~post88#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem89#1.base, main_#t~mem89#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;call write~$Pointer$#3(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem90#1.base, main_#t~mem90#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 53047#L2227-205 assume main_#t~mem90#1.base != 0 || main_#t~mem90#1.offset != 0;havoc main_#t~mem90#1.base, main_#t~mem90#1.offset;call main_#t~mem91#1.base, main_#t~mem91#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem91#1.base, 12 + main_#t~mem91#1.offset, 4);havoc main_#t~mem91#1.base, main_#t~mem91#1.offset; 53048#L2227-207 call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem93#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem92#1 := read~int#3(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short96#1 := main_#t~mem93#1 % 4294967296 >= 10 * (1 + main_#t~mem92#1) % 4294967296; 52587#L2227-208 assume main_#t~short96#1;call main_#t~mem94#1.base, main_#t~mem94#1.offset := read~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem95#1 := read~int#3(main_#t~mem94#1.base, 36 + main_#t~mem94#1.offset, 4);main_#t~short96#1 := 0 == main_#t~mem95#1 % 4294967296; 52588#L2227-210 assume !main_#t~short96#1;havoc main_#t~mem93#1;havoc main_#t~mem92#1;havoc main_#t~mem94#1.base, main_#t~mem94#1.offset;havoc main_#t~mem95#1;havoc main_#t~short96#1; 52496#L2227-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 52497#L2227-260 goto; 52037#L2227-262 havoc main_~_ha_bkt~0#1; 52038#L2227-263 goto; 53456#L2227-265 goto; 53457#L2227-267 havoc main_~_ha_hashv~0#1; 53464#L2227-268 goto; 53732#L2220-3 call main_#t~mem5#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#2(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 53734#L2220-4 [2023-11-29 06:25:22,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:25:22,960 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 14 times [2023-11-29 06:25:22,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:25:22,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643817807] [2023-11-29 06:25:22,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:25:22,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:25:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:25:22,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:25:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:25:22,982 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:25:22,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:25:22,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1465322191, now seen corresponding path program 1 times [2023-11-29 06:25:22,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:25:22,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150036433] [2023-11-29 06:25:22,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:25:22,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:25:23,020 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:25:23,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [164101811] [2023-11-29 06:25:23,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:25:23,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:25:23,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:25:23,023 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:25:23,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 06:27:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:27:04,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-29 06:27:04,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:27:04,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:27:04,917 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:27:04,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:27:04,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150036433] [2023-11-29 06:27:04,917 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:27:04,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164101811] [2023-11-29 06:27:04,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164101811] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:27:04,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:27:04,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 06:27:04,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13210690] [2023-11-29 06:27:04,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:27:04,918 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 06:27:04,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:27:04,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 06:27:04,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:27:04,919 INFO L87 Difference]: Start difference. First operand 1805 states and 2433 transitions. cyclomatic complexity: 631 Second operand has 15 states, 15 states have (on average 5.333333333333333) internal successors, (80), 15 states have internal predecessors, (80), 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) [2023-11-29 06:27:05,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:27:05,808 INFO L93 Difference]: Finished difference Result 1834 states and 2472 transitions. [2023-11-29 06:27:05,808 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1834 states and 2472 transitions. [2023-11-29 06:27:05,813 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1827 [2023-11-29 06:27:05,818 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1834 states to 1834 states and 2472 transitions. [2023-11-29 06:27:05,818 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1834 [2023-11-29 06:27:05,819 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1834 [2023-11-29 06:27:05,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1834 states and 2472 transitions. [2023-11-29 06:27:05,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:27:05,821 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1834 states and 2472 transitions. [2023-11-29 06:27:05,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states and 2472 transitions. [2023-11-29 06:27:05,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 1820. [2023-11-29 06:27:05,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1820 states, 1816 states have (on average 1.347466960352423) internal successors, (2447), 1815 states have internal predecessors, (2447), 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) [2023-11-29 06:27:05,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1820 states and 2453 transitions. [2023-11-29 06:27:05,843 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1820 states and 2453 transitions. [2023-11-29 06:27:05,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 06:27:05,844 INFO L428 stractBuchiCegarLoop]: Abstraction has 1820 states and 2453 transitions. [2023-11-29 06:27:05,844 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2023-11-29 06:27:05,844 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1820 states and 2453 transitions. [2023-11-29 06:27:05,848 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1813 [2023-11-29 06:27:05,849 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:27:05,849 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:27:05,849 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:27:05,849 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, 1] [2023-11-29 06:27:05,849 INFO L748 eck$LassoCheckResult]: Stem: 56093#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 56094#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~switch33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#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~malloc54#1.base, main_#t~malloc54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~memset~res57#1.base, main_#t~memset~res57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~malloc63#1.base, main_#t~malloc63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~memset~res70#1.base, main_#t~memset~res70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1, main_#t~post81#1, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1, main_#t~nondet84#1, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~post88#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem93#1, main_#t~mem92#1, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1, main_#t~short96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~malloc99#1.base, main_#t~malloc99#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, main_#t~memset~res104#1.base, main_#t~memset~res104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem114#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~nondet115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem126#1, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1, main_#t~nondet127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~pre130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~post135#1, main_#t~mem139#1, main_#t~mem137#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem138#1, main_#t~mem140#1, main_#t~post141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~post117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1.base, main_#t~mem146#1.offset, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1, main_#t~post151#1, 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~ite161#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_#t~mem160#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_#t~mem163#1, main_#t~mem164#1.base, main_#t~mem164#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~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem168#1, main_#t~mem167#1, main_#t~mem169#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem171#1, main_#t~mem173#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem175#1, main_#t~mem177#1, main_#t~mem178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~nondet187#1, main_#t~switch188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~mem199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_#t~nondet208#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~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1, main_#t~nondet211#1, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1, main_#t~mem220#1, main_#t~mem221#1, main_#t~short222#1, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~ret224#1, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem165#1, main_#t~mem166#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 57640#L2220-4 [2023-11-29 06:27:05,850 INFO L750 eck$LassoCheckResult]: Loop: 57640#L2220-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 57309#L2220-1 assume !!(main_#t~mem7#1 < 1000);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 56940#L2222 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 56566#L2222-2 call main_#t~mem9#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 56503#L2227-269 havoc main_~_ha_hashv~0#1; 56504#L2227-176 goto; 57620#L2227-174 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; 57654#L2227-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 57518#L2227-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 56680#L2227-73 assume !main_#t~switch33#1; 56681#L2227-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 56246#L2227-76 assume !main_#t~switch33#1; 56247#L2227-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 56579#L2227-79 assume !main_#t~switch33#1; 56580#L2227-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 57168#L2227-82 assume !main_#t~switch33#1; 57429#L2227-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 57559#L2227-85 assume !main_#t~switch33#1; 56922#L2227-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 56923#L2227-88 assume !main_#t~switch33#1; 56954#L2227-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 56955#L2227-91 assume !main_#t~switch33#1; 57549#L2227-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 57550#L2227-94 assume main_#t~switch33#1;call main_#t~mem41#1 := read~int#3(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~mem41#1 % 256 % 4294967296);havoc main_#t~mem41#1; 57137#L2227-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 57138#L2227-97 assume main_#t~switch33#1;call main_#t~mem42#1 := read~int#3(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~mem42#1 % 256 % 4294967296);havoc main_#t~mem42#1; 56475#L2227-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 56476#L2227-100 assume main_#t~switch33#1;call main_#t~mem43#1 := read~int#3(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~mem43#1 % 256 % 4294967296);havoc main_#t~mem43#1; 57428#L2227-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 56835#L2227-103 assume main_#t~switch33#1;call main_#t~mem44#1 := read~int#3(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~mem44#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem44#1 % 256 % 4294967296 else main_#t~mem44#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem44#1; 56588#L2227-105 havoc main_#t~switch33#1; 56589#L2227-171 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; 56716#L2227-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet45#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 57000#L2227-113 main_~_hj_i~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#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; 57398#L2227-114 assume !(0 == main_~_hj_j~0#1 % 4294967296); 56434#L2227-116 assume !(0 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296); 56435#L2227-118 assume !(main_~_hj_j~0#1 % 4294967296 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296);assume main_#t~nondet46#1 % 4294967296 <= main_~_hj_j~0#1 % 4294967296 + 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296; 57673#L2227-120 main_~_hj_j~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#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; 57672#L2227-121 assume !(0 == main_~_ha_hashv~0#1 % 4294967296); 57671#L2227-123 assume !(0 == main_~_hj_j~0#1 % 4294967296 / 8192 % 4294967296); 57600#L2227-125 assume !(main_~_ha_hashv~0#1 % 4294967296 == main_~_hj_j~0#1 % 4294967296 / 8192 % 4294967296);assume main_#t~nondet47#1 % 4294967296 <= main_~_ha_hashv~0#1 % 4294967296 + main_~_hj_j~0#1 % 4294967296 / 8192 % 4294967296; 56007#L2227-127 main_~_ha_hashv~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 56008#L2227-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet48#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 57582#L2227-134 main_~_hj_i~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#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; 57684#L2227-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 56350#L2227-141 main_~_hj_j~0#1 := main_#t~nondet49#1;havoc main_#t~nondet49#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; 57675#L2227-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet50#1 := main_~_hj_j~0#1 % 4294967296 / 32; 56960#L2227-148 main_~_ha_hashv~0#1 := main_#t~nondet50#1;havoc main_#t~nondet50#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; 57580#L2227-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 56826#L2227-155 main_~_hj_i~0#1 := main_#t~nondet51#1;havoc main_#t~nondet51#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; 56122#L2227-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 56124#L2227-162 main_~_hj_j~0#1 := main_#t~nondet52#1;havoc main_#t~nondet52#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; 57618#L2227-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 56792#L2227-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 56793#L2227-170 goto; 57601#L2227-172 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; 56677#L2227-173 goto; 56678#L2227-175 goto; 57162#L2227-266 call write~int#3(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int#3(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 57119#L2227-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem71#1.base, main_#t~mem71#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset; 56488#L2227-194 call write~$Pointer$#3(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$#3(main_#t~mem72#1.base, 16 + main_#t~mem72#1.offset, 4);call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int#3(main_#t~mem74#1.base, 20 + main_#t~mem74#1.offset, 4);call write~$Pointer$#3(main_#t~mem73#1.base, main_#t~mem73#1.offset - main_#t~mem75#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;havoc main_#t~mem73#1.base, main_#t~mem73#1.offset;havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;call main_#t~mem76#1.base, main_#t~mem76#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$#3(main_#t~mem76#1.base, 16 + main_#t~mem76#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem77#1.base, 8 + main_#t~mem77#1.offset, 4);havoc main_#t~mem76#1.base, main_#t~mem76#1.offset;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;call main_#t~mem78#1.base, main_#t~mem78#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem78#1.base, 16 + main_#t~mem78#1.offset, 4);havoc main_#t~mem78#1.base, main_#t~mem78#1.offset; 56489#L2227-193 goto; 56514#L2227-264 havoc main_~_ha_bkt~0#1;call main_#t~mem79#1.base, main_#t~mem79#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem80#1 := read~int#3(main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);main_#t~post81#1 := main_#t~mem80#1;call write~int#3(1 + main_#t~post81#1, main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);havoc main_#t~mem79#1.base, main_#t~mem79#1.offset;havoc main_#t~mem80#1;havoc main_#t~post81#1; 57595#L2227-203 call main_#t~mem82#1.base, main_#t~mem82#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem83#1 := read~int#3(main_#t~mem82#1.base, 4 + main_#t~mem82#1.offset, 4); 57614#L2227-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 56801#L2227-201 main_~_ha_bkt~0#1 := main_#t~nondet84#1;havoc main_#t~mem82#1.base, main_#t~mem82#1.offset;havoc main_#t~mem83#1;havoc main_#t~nondet84#1; 56735#L2227-202 goto; 56736#L2227-261 call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$#3(main_#t~mem85#1.base, main_#t~mem85#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem86#1.base, main_#t~mem86#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem85#1.base, main_#t~mem85#1.offset;havoc main_#t~mem86#1.base, main_#t~mem86#1.offset;call main_#t~mem87#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post88#1 := main_#t~mem87#1;call write~int#3(1 + main_#t~post88#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem87#1;havoc main_#t~post88#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem89#1.base, main_#t~mem89#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;call write~$Pointer$#3(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem90#1.base, main_#t~mem90#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 56947#L2227-205 assume main_#t~mem90#1.base != 0 || main_#t~mem90#1.offset != 0;havoc main_#t~mem90#1.base, main_#t~mem90#1.offset;call main_#t~mem91#1.base, main_#t~mem91#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem91#1.base, 12 + main_#t~mem91#1.offset, 4);havoc main_#t~mem91#1.base, main_#t~mem91#1.offset; 56948#L2227-207 call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem93#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem92#1 := read~int#3(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short96#1 := main_#t~mem93#1 % 4294967296 >= 10 * (1 + main_#t~mem92#1) % 4294967296; 56485#L2227-208 assume main_#t~short96#1;call main_#t~mem94#1.base, main_#t~mem94#1.offset := read~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem95#1 := read~int#3(main_#t~mem94#1.base, 36 + main_#t~mem94#1.offset, 4);main_#t~short96#1 := 0 == main_#t~mem95#1 % 4294967296; 56486#L2227-210 assume !main_#t~short96#1;havoc main_#t~mem93#1;havoc main_#t~mem92#1;havoc main_#t~mem94#1.base, main_#t~mem94#1.offset;havoc main_#t~mem95#1;havoc main_#t~short96#1; 56394#L2227-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 56395#L2227-260 goto; 55935#L2227-262 havoc main_~_ha_bkt~0#1; 55936#L2227-263 goto; 57359#L2227-265 goto; 57360#L2227-267 havoc main_~_ha_hashv~0#1; 57367#L2227-268 goto; 57638#L2220-3 call main_#t~mem5#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#2(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 57640#L2220-4 [2023-11-29 06:27:05,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:27:05,850 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 15 times [2023-11-29 06:27:05,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:27:05,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348514287] [2023-11-29 06:27:05,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:27:05,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:27:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:27:05,860 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:27:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:27:05,872 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:27:05,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:27:05,872 INFO L85 PathProgramCache]: Analyzing trace with hash -289825869, now seen corresponding path program 1 times [2023-11-29 06:27:05,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:27:05,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885633508] [2023-11-29 06:27:05,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:27:05,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:27:05,910 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:27:05,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1704216488] [2023-11-29 06:27:05,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:27:05,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:27:05,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:27:05,916 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:27:05,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 06:30:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:30:35,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-29 06:30:35,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:31:13,275 WARN L293 SmtUtils]: Spent 29.13s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:31:13,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:31:13,276 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:31:13,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:31:13,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885633508] [2023-11-29 06:31:13,277 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:31:13,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704216488] [2023-11-29 06:31:13,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704216488] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:31:13,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:31:13,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 06:31:13,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441141389] [2023-11-29 06:31:13,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:31:13,278 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 06:31:13,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:31:13,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 06:31:13,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:31:13,278 INFO L87 Difference]: Start difference. First operand 1820 states and 2453 transitions. cyclomatic complexity: 636 Second operand has 16 states, 16 states have (on average 5.0) internal successors, (80), 16 states have internal predecessors, (80), 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) [2023-11-29 06:31:23,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.83s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:31:26,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:31:30,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:31:32,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:31:38,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:31:43,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:31:43,342 INFO L93 Difference]: Finished difference Result 3492 states and 4714 transitions. [2023-11-29 06:31:43,342 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3492 states and 4714 transitions. [2023-11-29 06:31:43,351 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 3482 [2023-11-29 06:31:43,359 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3492 states to 3492 states and 4714 transitions. [2023-11-29 06:31:43,359 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3492 [2023-11-29 06:31:43,361 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3492 [2023-11-29 06:31:43,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3492 states and 4714 transitions. [2023-11-29 06:31:43,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:31:43,364 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3492 states and 4714 transitions. [2023-11-29 06:31:43,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3492 states and 4714 transitions. [2023-11-29 06:31:43,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3492 to 1834. [2023-11-29 06:31:43,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1834 states, 1830 states have (on average 1.3469945355191257) internal successors, (2465), 1829 states have internal predecessors, (2465), 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) [2023-11-29 06:31:43,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1834 states and 2471 transitions. [2023-11-29 06:31:43,393 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1834 states and 2471 transitions. [2023-11-29 06:31:43,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 06:31:43,394 INFO L428 stractBuchiCegarLoop]: Abstraction has 1834 states and 2471 transitions. [2023-11-29 06:31:43,395 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2023-11-29 06:31:43,395 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1834 states and 2471 transitions. [2023-11-29 06:31:43,399 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1827 [2023-11-29 06:31:43,399 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:31:43,399 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:31:43,400 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:31:43,400 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, 1] [2023-11-29 06:31:43,400 INFO L748 eck$LassoCheckResult]: Stem: 61669#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 61670#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~switch33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#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~malloc54#1.base, main_#t~malloc54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~memset~res57#1.base, main_#t~memset~res57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~malloc63#1.base, main_#t~malloc63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~memset~res70#1.base, main_#t~memset~res70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1, main_#t~post81#1, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1, main_#t~nondet84#1, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~post88#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem93#1, main_#t~mem92#1, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1, main_#t~short96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~malloc99#1.base, main_#t~malloc99#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, main_#t~memset~res104#1.base, main_#t~memset~res104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem114#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~nondet115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem126#1, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1, main_#t~nondet127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~pre130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~post135#1, main_#t~mem139#1, main_#t~mem137#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem138#1, main_#t~mem140#1, main_#t~post141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~post117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1.base, main_#t~mem146#1.offset, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1, main_#t~post151#1, 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~ite161#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_#t~mem160#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_#t~mem163#1, main_#t~mem164#1.base, main_#t~mem164#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~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem168#1, main_#t~mem167#1, main_#t~mem169#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem171#1, main_#t~mem173#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem175#1, main_#t~mem177#1, main_#t~mem178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~nondet187#1, main_#t~switch188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~mem199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_#t~nondet208#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~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1, main_#t~nondet211#1, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1, main_#t~mem220#1, main_#t~mem221#1, main_#t~short222#1, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~ret224#1, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem165#1, main_#t~mem166#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 63219#L2220-4 [2023-11-29 06:31:43,400 INFO L750 eck$LassoCheckResult]: Loop: 63219#L2220-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 62883#L2220-1 assume !!(main_#t~mem7#1 < 1000);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 62512#L2222 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 62141#L2222-2 call main_#t~mem9#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 62078#L2227-269 havoc main_~_ha_hashv~0#1; 62079#L2227-176 goto; 63197#L2227-174 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; 63233#L2227-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 63097#L2227-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 62255#L2227-73 assume !main_#t~switch33#1; 62256#L2227-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 61821#L2227-76 assume !main_#t~switch33#1; 61822#L2227-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 62154#L2227-79 assume !main_#t~switch33#1; 62155#L2227-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 62740#L2227-82 assume !main_#t~switch33#1; 63006#L2227-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 63138#L2227-85 assume !main_#t~switch33#1; 62494#L2227-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 62495#L2227-88 assume !main_#t~switch33#1; 62526#L2227-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 62527#L2227-91 assume !main_#t~switch33#1; 63128#L2227-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 63129#L2227-94 assume main_#t~switch33#1;call main_#t~mem41#1 := read~int#3(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~mem41#1 % 256 % 4294967296);havoc main_#t~mem41#1; 62709#L2227-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 62710#L2227-97 assume main_#t~switch33#1;call main_#t~mem42#1 := read~int#3(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~mem42#1 % 256 % 4294967296);havoc main_#t~mem42#1; 62050#L2227-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 62051#L2227-100 assume main_#t~switch33#1;call main_#t~mem43#1 := read~int#3(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~mem43#1 % 256 % 4294967296);havoc main_#t~mem43#1; 63005#L2227-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 62407#L2227-103 assume main_#t~switch33#1;call main_#t~mem44#1 := read~int#3(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~mem44#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem44#1 % 256 % 4294967296 else main_#t~mem44#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem44#1; 62163#L2227-105 havoc main_#t~switch33#1; 62164#L2227-171 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; 62291#L2227-107 assume !(0 == main_~_hj_i~0#1 % 4294967296); 62573#L2227-109 assume !(0 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296); 62752#L2227-111 assume main_~_hj_i~0#1 % 4294967296 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296;main_#t~nondet45#1 := 0; 62972#L2227-113 main_~_hj_i~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#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; 62973#L2227-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet46#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 62277#L2227-120 main_~_hj_j~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#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; 62278#L2227-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet47#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 63275#L2227-127 main_~_ha_hashv~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 63274#L2227-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet48#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 63028#L2227-134 main_~_hj_i~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#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; 63029#L2227-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 62343#L2227-141 main_~_hj_j~0#1 := main_#t~nondet49#1;havoc main_#t~nondet49#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; 61847#L2227-142 assume !(0 == main_~_ha_hashv~0#1 % 4294967296); 61848#L2227-144 assume !(0 == main_~_hj_j~0#1 % 4294967296 / 32 % 4294967296); 62531#L2227-146 assume !(main_~_ha_hashv~0#1 % 4294967296 == main_~_hj_j~0#1 % 4294967296 / 32 % 4294967296);assume main_#t~nondet50#1 % 4294967296 <= main_~_ha_hashv~0#1 % 4294967296 + main_~_hj_j~0#1 % 4294967296 / 32 % 4294967296; 62532#L2227-148 main_~_ha_hashv~0#1 := main_#t~nondet50#1;havoc main_#t~nondet50#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; 63260#L2227-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 62985#L2227-155 main_~_hj_i~0#1 := main_#t~nondet51#1;havoc main_#t~nondet51#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; 63243#L2227-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 62821#L2227-162 main_~_hj_j~0#1 := main_#t~nondet52#1;havoc main_#t~nondet52#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; 63195#L2227-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 62365#L2227-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 62366#L2227-170 goto; 63178#L2227-172 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; 62252#L2227-173 goto; 62253#L2227-175 goto; 62734#L2227-266 call write~int#3(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$#3(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#3(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 62691#L2227-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem71#1.base, main_#t~mem71#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset; 62063#L2227-194 call write~$Pointer$#3(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$#3(main_#t~mem72#1.base, 16 + main_#t~mem72#1.offset, 4);call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int#3(main_#t~mem74#1.base, 20 + main_#t~mem74#1.offset, 4);call write~$Pointer$#3(main_#t~mem73#1.base, main_#t~mem73#1.offset - main_#t~mem75#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;havoc main_#t~mem73#1.base, main_#t~mem73#1.offset;havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;call main_#t~mem76#1.base, main_#t~mem76#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$#3(main_#t~mem76#1.base, 16 + main_#t~mem76#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem77#1.base, 8 + main_#t~mem77#1.offset, 4);havoc main_#t~mem76#1.base, main_#t~mem76#1.offset;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;call main_#t~mem78#1.base, main_#t~mem78#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem78#1.base, 16 + main_#t~mem78#1.offset, 4);havoc main_#t~mem78#1.base, main_#t~mem78#1.offset; 62064#L2227-193 goto; 62089#L2227-264 havoc main_~_ha_bkt~0#1;call main_#t~mem79#1.base, main_#t~mem79#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem80#1 := read~int#3(main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);main_#t~post81#1 := main_#t~mem80#1;call write~int#3(1 + main_#t~post81#1, main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);havoc main_#t~mem79#1.base, main_#t~mem79#1.offset;havoc main_#t~mem80#1;havoc main_#t~post81#1; 63172#L2227-203 call main_#t~mem82#1.base, main_#t~mem82#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem83#1 := read~int#3(main_#t~mem82#1.base, 4 + main_#t~mem82#1.offset, 4); 63191#L2227-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 62374#L2227-201 main_~_ha_bkt~0#1 := main_#t~nondet84#1;havoc main_#t~mem82#1.base, main_#t~mem82#1.offset;havoc main_#t~mem83#1;havoc main_#t~nondet84#1; 62309#L2227-202 goto; 62310#L2227-261 call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$#3(main_#t~mem85#1.base, main_#t~mem85#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem86#1.base, main_#t~mem86#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~mem85#1.base, main_#t~mem85#1.offset;havoc main_#t~mem86#1.base, main_#t~mem86#1.offset;call main_#t~mem87#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post88#1 := main_#t~mem87#1;call write~int#3(1 + main_#t~post88#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem87#1;havoc main_#t~post88#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem89#1.base, main_#t~mem89#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;call write~$Pointer$#3(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem90#1.base, main_#t~mem90#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 62519#L2227-205 assume main_#t~mem90#1.base != 0 || main_#t~mem90#1.offset != 0;havoc main_#t~mem90#1.base, main_#t~mem90#1.offset;call main_#t~mem91#1.base, main_#t~mem91#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem91#1.base, 12 + main_#t~mem91#1.offset, 4);havoc main_#t~mem91#1.base, main_#t~mem91#1.offset; 62520#L2227-207 call write~$Pointer$#3(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~mem93#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem92#1 := read~int#3(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short96#1 := main_#t~mem93#1 % 4294967296 >= 10 * (1 + main_#t~mem92#1) % 4294967296; 62060#L2227-208 assume main_#t~short96#1;call main_#t~mem94#1.base, main_#t~mem94#1.offset := read~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem95#1 := read~int#3(main_#t~mem94#1.base, 36 + main_#t~mem94#1.offset, 4);main_#t~short96#1 := 0 == main_#t~mem95#1 % 4294967296; 62061#L2227-210 assume !main_#t~short96#1;havoc main_#t~mem93#1;havoc main_#t~mem92#1;havoc main_#t~mem94#1.base, main_#t~mem94#1.offset;havoc main_#t~mem95#1;havoc main_#t~short96#1; 61969#L2227-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 61970#L2227-260 goto; 61511#L2227-262 havoc main_~_ha_bkt~0#1; 61512#L2227-263 goto; 62933#L2227-265 goto; 62934#L2227-267 havoc main_~_ha_hashv~0#1; 62941#L2227-268 goto; 63217#L2220-3 call main_#t~mem5#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#2(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 63219#L2220-4 [2023-11-29 06:31:43,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:31:43,401 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 16 times [2023-11-29 06:31:43,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:31:43,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004124882] [2023-11-29 06:31:43,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:31:43,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:31:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:31:43,412 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:31:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:31:43,424 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:31:43,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:31:43,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1762950603, now seen corresponding path program 1 times [2023-11-29 06:31:43,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:31:43,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316249689] [2023-11-29 06:31:43,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:31:43,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:31:43,466 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:31:43,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2006782694] [2023-11-29 06:31:43,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:31:43,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:31:43,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:31:43,469 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:31:43,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 06:31:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:31:43,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-29 06:31:43,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:31:43,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:31:43,999 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:31:43,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:31:43,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316249689] [2023-11-29 06:31:44,000 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:31:44,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006782694] [2023-11-29 06:31:44,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006782694] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:31:44,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:31:44,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:31:44,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558082507] [2023-11-29 06:31:44,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:31:44,000 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 06:31:44,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:31:44,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:31:44,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:31:44,001 INFO L87 Difference]: Start difference. First operand 1834 states and 2471 transitions. cyclomatic complexity: 640 Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 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) [2023-11-29 06:31:44,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:31:44,306 INFO L93 Difference]: Finished difference Result 1838 states and 2475 transitions. [2023-11-29 06:31:44,306 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1838 states and 2475 transitions. [2023-11-29 06:31:44,310 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1831 [2023-11-29 06:31:44,314 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1838 states to 1838 states and 2475 transitions. [2023-11-29 06:31:44,314 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1838 [2023-11-29 06:31:44,315 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1838 [2023-11-29 06:31:44,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1838 states and 2475 transitions. [2023-11-29 06:31:44,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:31:44,317 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1838 states and 2475 transitions. [2023-11-29 06:31:44,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states and 2475 transitions. [2023-11-29 06:31:44,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1837. [2023-11-29 06:31:44,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1837 states, 1833 states have (on average 1.3464266230223676) internal successors, (2468), 1832 states have internal predecessors, (2468), 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) [2023-11-29 06:31:44,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1837 states and 2474 transitions. [2023-11-29 06:31:44,341 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1837 states and 2474 transitions. [2023-11-29 06:31:44,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:31:44,343 INFO L428 stractBuchiCegarLoop]: Abstraction has 1837 states and 2474 transitions. [2023-11-29 06:31:44,343 INFO L335 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2023-11-29 06:31:44,343 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1837 states and 2474 transitions. [2023-11-29 06:31:44,348 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1830 [2023-11-29 06:31:44,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:31:44,348 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:31:44,348 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:31:44,348 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, 1] [2023-11-29 06:31:44,349 INFO L748 eck$LassoCheckResult]: Stem: 65587#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 65588#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem21#1, main_#t~mem20#1, main_#t~mem22#1, main_#t~mem23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~switch33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#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~malloc54#1.base, main_#t~malloc54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~memset~res57#1.base, main_#t~memset~res57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~malloc63#1.base, main_#t~malloc63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~memset~res70#1.base, main_#t~memset~res70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1.base, main_#t~mem79#1.offset, main_#t~mem80#1, main_#t~post81#1, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1, main_#t~nondet84#1, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1, main_#t~post88#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem93#1, main_#t~mem92#1, main_#t~mem94#1.base, main_#t~mem94#1.offset, main_#t~mem95#1, main_#t~short96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~malloc99#1.base, main_#t~malloc99#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, main_#t~memset~res104#1.base, main_#t~memset~res104#1.offset, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem114#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1, main_#t~nondet115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem126#1, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1, main_#t~nondet127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~pre130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem134#1, main_#t~post135#1, main_#t~mem139#1, main_#t~mem137#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem138#1, main_#t~mem140#1, main_#t~post141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~post117#1, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1.base, main_#t~mem146#1.offset, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1, main_#t~post151#1, 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~ite161#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_#t~mem160#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_#t~mem163#1, main_#t~mem164#1.base, main_#t~mem164#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~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem168#1, main_#t~mem167#1, main_#t~mem169#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem171#1, main_#t~mem173#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem175#1, main_#t~mem177#1, main_#t~mem178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~nondet187#1, main_#t~switch188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~mem199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_#t~nondet208#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~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1, main_#t~nondet211#1, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1, main_#t~mem220#1, main_#t~mem221#1, main_#t~short222#1, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~ret224#1, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem229#1, main_#t~mem230#1, main_#t~mem165#1, main_#t~mem166#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 67132#L2220-4 [2023-11-29 06:31:44,349 INFO L750 eck$LassoCheckResult]: Loop: 67132#L2220-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 66797#L2220-1 assume !!(main_#t~mem7#1 < 1000);havoc main_#t~mem7#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; 66430#L2222 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 66059#L2222-2 call main_#t~mem9#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem9#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#3(main_#t~mem10#1 * main_#t~mem11#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 65996#L2227-269 havoc main_~_ha_hashv~0#1; 65997#L2227-176 goto; 67112#L2227-174 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; 67146#L2227-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 67009#L2227-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 66173#L2227-73 assume !main_#t~switch33#1; 66174#L2227-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 65739#L2227-76 assume !main_#t~switch33#1; 65740#L2227-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 66072#L2227-79 assume !main_#t~switch33#1; 66073#L2227-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 66655#L2227-82 assume !main_#t~switch33#1; 66919#L2227-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 67050#L2227-85 assume !main_#t~switch33#1; 66412#L2227-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 66413#L2227-88 assume !main_#t~switch33#1; 66444#L2227-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 66445#L2227-91 assume !main_#t~switch33#1; 67040#L2227-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 67041#L2227-94 assume main_#t~switch33#1;call main_#t~mem41#1 := read~int#3(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~mem41#1 % 256 % 4294967296);havoc main_#t~mem41#1; 66624#L2227-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 66625#L2227-97 assume main_#t~switch33#1;call main_#t~mem42#1 := read~int#3(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~mem42#1 % 256 % 4294967296);havoc main_#t~mem42#1; 65968#L2227-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 65969#L2227-100 assume main_#t~switch33#1;call main_#t~mem43#1 := read~int#3(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~mem43#1 % 256 % 4294967296);havoc main_#t~mem43#1; 66918#L2227-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 66325#L2227-103 assume main_#t~switch33#1;call main_#t~mem44#1 := read~int#3(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~mem44#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem44#1 % 256 % 4294967296 else main_#t~mem44#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem44#1; 66081#L2227-105 havoc main_#t~switch33#1; 66082#L2227-171 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; 66209#L2227-107 assume !(0 == main_~_hj_i~0#1 % 4294967296); 66491#L2227-109 assume !(0 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296); 66667#L2227-111 assume !(main_~_hj_i~0#1 % 4294967296 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296);assume main_#t~nondet45#1 % 4294967296 <= main_~_hj_i~0#1 % 4294967296 + main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296; 67071#L2227-113 main_~_hj_i~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#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; 67181#L2227-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet46#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 67179#L2227-120 main_~_hj_j~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#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; 67177#L2227-121 assume !(0 == main_~_ha_hashv~0#1 % 4294967296); 67175#L2227-123 assume !(0 == main_~_hj_j~0#1 % 4294967296 / 8192 % 4294967296); 67172#L2227-125 assume main_~_ha_hashv~0#1 % 4294967296 == main_~_hj_j~0#1 % 4294967296 / 8192 % 4294967296;main_#t~nondet47#1 := 0; 67171#L2227-127 main_~_ha_hashv~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 67168#L2227-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet48#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 67142#L2227-134 main_~_hj_i~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#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; 67164#L2227-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 65843#L2227-141 main_~_hj_j~0#1 := main_#t~nondet49#1;havoc main_#t~nondet49#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; 67161#L2227-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet50#1 := main_~_hj_j~0#1 % 4294967296 / 32; 66450#L2227-148 main_~_ha_hashv~0#1 := main_#t~nondet50#1;havoc main_#t~nondet50#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; 67157#L2227-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 66898#L2227-155 main_~_hj_i~0#1 := main_#t~nondet51#1;havoc main_#t~nondet51#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; 67155#L2227-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 66735#L2227-162 main_~_hj_j~0#1 := main_#t~nondet52#1;havoc main_#t~nondet52#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; 67110#L2227-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 66283#L2227-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 66284#L2227-170 goto; 67093#L2227-172 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; 66170#L2227-173 goto; 66171#L2227-175 goto; 66649#L2227-266 call write~int#3(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$#3(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#3(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 66606#L2227-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem71#1.base, main_#t~mem71#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset; 65981#L2227-194 call write~$Pointer$#3(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$#3(main_#t~mem72#1.base, 16 + main_#t~mem72#1.offset, 4);call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int#3(main_#t~mem74#1.base, 20 + main_#t~mem74#1.offset, 4);call write~$Pointer$#3(main_#t~mem73#1.base, main_#t~mem73#1.offset - main_#t~mem75#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;havoc main_#t~mem73#1.base, main_#t~mem73#1.offset;havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;call main_#t~mem76#1.base, main_#t~mem76#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$#3(main_#t~mem76#1.base, 16 + main_#t~mem76#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem77#1.base, 8 + main_#t~mem77#1.offset, 4);havoc main_#t~mem76#1.base, main_#t~mem76#1.offset;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;call main_#t~mem78#1.base, main_#t~mem78#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem78#1.base, 16 + main_#t~mem78#1.offset, 4);havoc main_#t~mem78#1.base, main_#t~mem78#1.offset; 65982#L2227-193 goto; 66007#L2227-264 havoc main_~_ha_bkt~0#1;call main_#t~mem79#1.base, main_#t~mem79#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem80#1 := read~int#3(main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);main_#t~post81#1 := main_#t~mem80#1;call write~int#3(1 + main_#t~post81#1, main_#t~mem79#1.base, 12 + main_#t~mem79#1.offset, 4);havoc main_#t~mem79#1.base, main_#t~mem79#1.offset;havoc main_#t~mem80#1;havoc main_#t~post81#1; 67086#L2227-203 call main_#t~mem82#1.base, main_#t~mem82#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem83#1 := read~int#3(main_#t~mem82#1.base, 4 + main_#t~mem82#1.offset, 4); 67106#L2227-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 66292#L2227-201 main_~_ha_bkt~0#1 := main_#t~nondet84#1;havoc main_#t~mem82#1.base, main_#t~mem82#1.offset;havoc main_#t~mem83#1;havoc main_#t~nondet84#1; 66227#L2227-202 goto; 66228#L2227-261 call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$#3(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$#3(main_#t~mem85#1.base, main_#t~mem85#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem86#1.base, main_#t~mem86#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~mem85#1.base, main_#t~mem85#1.offset;havoc main_#t~mem86#1.base, main_#t~mem86#1.offset;call main_#t~mem87#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post88#1 := main_#t~mem87#1;call write~int#3(1 + main_#t~post88#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem87#1;havoc main_#t~post88#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_#t~mem89#1.base, main_#t~mem89#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;call write~$Pointer$#3(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem90#1.base, main_#t~mem90#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 66437#L2227-205 assume main_#t~mem90#1.base != 0 || main_#t~mem90#1.offset != 0;havoc main_#t~mem90#1.base, main_#t~mem90#1.offset;call main_#t~mem91#1.base, main_#t~mem91#1.offset := read~$Pointer$#3(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem91#1.base, 12 + main_#t~mem91#1.offset, 4);havoc main_#t~mem91#1.base, main_#t~mem91#1.offset; 66438#L2227-207 call write~$Pointer$#3(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~mem93#1 := read~int#3(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem92#1 := read~int#3(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short96#1 := main_#t~mem93#1 % 4294967296 >= 10 * (1 + main_#t~mem92#1) % 4294967296; 65978#L2227-208 assume main_#t~short96#1;call main_#t~mem94#1.base, main_#t~mem94#1.offset := read~$Pointer$#3(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem95#1 := read~int#3(main_#t~mem94#1.base, 36 + main_#t~mem94#1.offset, 4);main_#t~short96#1 := 0 == main_#t~mem95#1 % 4294967296; 65979#L2227-210 assume !main_#t~short96#1;havoc main_#t~mem93#1;havoc main_#t~mem92#1;havoc main_#t~mem94#1.base, main_#t~mem94#1.offset;havoc main_#t~mem95#1;havoc main_#t~short96#1; 65887#L2227-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 65888#L2227-260 goto; 65429#L2227-262 havoc main_~_ha_bkt~0#1; 65430#L2227-263 goto; 66847#L2227-265 goto; 66848#L2227-267 havoc main_~_ha_hashv~0#1; 66855#L2227-268 goto; 67130#L2220-3 call main_#t~mem5#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#2(1 + main_#t~post6#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 67132#L2220-4 [2023-11-29 06:31:44,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:31:44,349 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 17 times [2023-11-29 06:31:44,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:31:44,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21169684] [2023-11-29 06:31:44,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:31:44,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:31:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:31:44,360 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:31:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:31:44,373 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:31:44,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:31:44,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1041926421, now seen corresponding path program 1 times [2023-11-29 06:31:44,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:31:44,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270077630] [2023-11-29 06:31:44,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:31:44,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:31:44,415 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:31:44,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1681124655] [2023-11-29 06:31:44,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:31:44,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:31:44,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:31:44,417 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:31:44,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af35d0f-77ad-4fd3-be73-ce9c0613cf55/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 06:31:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:31:44,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 06:31:44,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:31:57,274 WARN L293 SmtUtils]: Spent 12.04s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:32:09,562 WARN L293 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:32:21,603 WARN L293 SmtUtils]: Spent 12.04s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:32:33,658 WARN L293 SmtUtils]: Spent 12.05s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:32:47,110 WARN L293 SmtUtils]: Spent 13.45s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:35:21,783 WARN L293 SmtUtils]: Spent 1.84m on a formula simplification that was a NOOP. DAG size: 42 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 06:35:21,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:35:21,827 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:35:21,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:35:21,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270077630] [2023-11-29 06:35:21,827 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:35:21,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681124655] [2023-11-29 06:35:21,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681124655] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:35:21,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:35:21,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 06:35:21,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204138953] [2023-11-29 06:35:21,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:35:21,828 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 06:35:21,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:35:21,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 06:35:21,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=53, Unknown=3, NotChecked=0, Total=72 [2023-11-29 06:35:21,828 INFO L87 Difference]: Start difference. First operand 1837 states and 2474 transitions. cyclomatic complexity: 640 Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:35:23,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:35:36,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:35:48,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:35:54,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:36:06,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:36:18,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:36:27,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.83s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:36:39,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:36:51,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:36:53,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]