./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.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_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme --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 da01f7e29b47732481465e941f69a1c8f9dd5529ae81cb8448eb7568570e2356 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:52:42,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:52:42,132 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 11:52:42,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:52:42,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:52:42,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:52:42,175 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:52:42,176 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:52:42,177 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:52:42,177 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:52:42,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:52:42,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:52:42,180 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:52:42,181 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:52:42,181 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:52:42,182 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:52:42,183 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:52:42,183 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:52:42,184 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:52:42,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:52:42,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:52:42,189 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:52:42,189 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:52:42,190 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:52:42,191 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:52:42,191 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:52:42,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:52:42,216 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:52:42,217 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:52:42,217 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:52:42,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:52:42,219 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:52:42,219 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:52:42,220 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:52:42,220 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:52:42,221 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:52:42,222 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:52:42,223 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:52:42,223 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_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da01f7e29b47732481465e941f69a1c8f9dd5529ae81cb8448eb7568570e2356 [2023-11-26 11:52:42,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:52:42,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:52:42,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:52:42,639 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:52:42,640 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:52:42,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.i [2023-11-26 11:52:45,747 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:52:46,128 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:52:46,128 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.i [2023-11-26 11:52:46,150 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/data/354fd0d40/2845057eee574ca7a9464143b7572779/FLAGa58e2f9aa [2023-11-26 11:52:46,166 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/data/354fd0d40/2845057eee574ca7a9464143b7572779 [2023-11-26 11:52:46,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:52:46,170 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:52:46,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:46,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:52:46,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:52:46,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:46" (1/1) ... [2023-11-26 11:52:46,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a5d38e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:46, skipping insertion in model container [2023-11-26 11:52:46,180 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:46" (1/1) ... [2023-11-26 11:52:46,276 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:52:46,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:46,948 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:52:47,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:47,319 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:47,331 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:52:47,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:47 WrapperNode [2023-11-26 11:52:47,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:47,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:47,338 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:52:47,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:52:47,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:47" (1/1) ... [2023-11-26 11:52:47,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:47" (1/1) ... [2023-11-26 11:52:47,529 INFO L138 Inliner]: procedures = 208, calls = 288, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 1405 [2023-11-26 11:52:47,533 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:47,534 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:52:47,534 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:52:47,534 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:52:47,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:47" (1/1) ... [2023-11-26 11:52:47,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:47" (1/1) ... [2023-11-26 11:52:47,562 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:47" (1/1) ... [2023-11-26 11:52:47,661 INFO L175 MemorySlicer]: Split 261 memory accesses to 4 slices as follows [2, 5, 34, 220]. 84 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 55 writes are split as follows [0, 1, 4, 50]. [2023-11-26 11:52:47,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:47" (1/1) ... [2023-11-26 11:52:47,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:47" (1/1) ... [2023-11-26 11:52:47,720 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:47" (1/1) ... [2023-11-26 11:52:47,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:47" (1/1) ... [2023-11-26 11:52:47,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:47" (1/1) ... [2023-11-26 11:52:47,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:47" (1/1) ... [2023-11-26 11:52:47,796 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:52:47,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:52:47,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:52:47,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:52:47,802 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:47" (1/1) ... [2023-11-26 11:52:47,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:47,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:47,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:47,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:52:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-26 11:52:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-26 11:52:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-26 11:52:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-26 11:52:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-26 11:52:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-26 11:52:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-26 11:52:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-26 11:52:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:52:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-26 11:52:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 11:52:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 11:52:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 11:52:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 11:52:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:52:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:52:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:52:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 11:52:47,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 11:52:47,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:52:47,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:52:47,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 11:52:47,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 11:52:47,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 11:52:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:52:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 11:52:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 11:52:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 11:52:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 11:52:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:52:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:52:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 11:52:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 11:52:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:52:47,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:52:48,221 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:52:48,224 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:52:48,229 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-26 11:52:48,333 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-26 11:52:48,377 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-26 11:52:48,412 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-26 11:52:50,475 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:52:50,516 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:52:50,516 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-26 11:52:50,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:50 BoogieIcfgContainer [2023-11-26 11:52:50,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:52:50,520 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:52:50,520 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:52:50,524 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:52:50,525 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:52:50,526 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:52:46" (1/3) ... [2023-11-26 11:52:50,527 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55fb548a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:52:50, skipping insertion in model container [2023-11-26 11:52:50,527 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:52:50,527 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:47" (2/3) ... [2023-11-26 11:52:50,530 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55fb548a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:52:50, skipping insertion in model container [2023-11-26 11:52:50,530 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:52:50,530 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:50" (3/3) ... [2023-11-26 11:52:50,532 INFO L332 chiAutomizerObserver]: Analyzing ICFG uthash_OAT_test2-2.i [2023-11-26 11:52:50,615 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:52:50,615 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:52:50,615 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:52:50,615 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:52:50,616 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:52:50,617 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:52:50,617 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:52:50,617 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:52:50,625 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 384 states, 379 states have (on average 1.683377308707124) internal successors, (638), 379 states have internal predecessors, (638), 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) [2023-11-26 11:52:50,682 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 370 [2023-11-26 11:52:50,682 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:52:50,682 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:52:50,689 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:52:50,689 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:52:50,689 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:52:50,691 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 384 states, 379 states have (on average 1.683377308707124) internal successors, (638), 379 states have internal predecessors, (638), 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) [2023-11-26 11:52:50,708 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 370 [2023-11-26 11:52:50,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:52:50,716 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:52:50,716 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:52:50,716 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:52:50,724 INFO L748 eck$LassoCheckResult]: Stem: 229#$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; 247#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_#t~ite232#1.base, main_#t~ite232#1.offset, main_#t~mem231#1.base, main_#t~mem231#1.offset, main_#t~mem235#1.base, main_#t~mem235#1.offset, main_#t~mem236#1.base, main_#t~mem236#1.offset, main_#t~short237#1, main_#t~mem238#1.base, main_#t~mem238#1.offset, main_#t~mem239#1.base, main_#t~mem239#1.offset, main_#t~mem240#1.base, main_#t~mem240#1.offset, main_#t~mem241#1.base, main_#t~mem241#1.offset, main_#t~mem242#1.base, main_#t~mem242#1.offset, main_#t~mem243#1.base, main_#t~mem243#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1.base, main_#t~mem245#1.offset, main_#t~mem246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1.base, main_#t~mem254#1.offset, main_#t~mem255#1.base, main_#t~mem255#1.offset, main_#t~mem256#1, main_#t~mem257#1.base, main_#t~mem257#1.offset, main_#t~mem260#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~mem259#1, main_#t~nondet261#1, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1.base, main_#t~mem263#1.offset, main_#t~mem264#1, main_#t~post265#1, main_#t~mem266#1.base, main_#t~mem266#1.offset, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1.base, main_#t~mem270#1.offset, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1, main_#t~post276#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite234#1.base, main_#t~ite234#1.offset, main_#t~mem233#1.base, main_#t~mem233#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 137#L814-4true [2023-11-26 11:52:50,725 INFO L750 eck$LassoCheckResult]: Loop: 137#L814-4true call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 304#L814-1true assume !!(main_#t~mem7#1 < 10);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; 289#L816true assume main_~user~0#1.base == 0 && main_~user~0#1.offset == 0;assume false; 293#L816-2true 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; 76#L821-269true assume !true; 55#L814-3true 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; 137#L814-4true [2023-11-26 11:52:50,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:50,730 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 1 times [2023-11-26 11:52:50,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:50,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800326987] [2023-11-26 11:52:50,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:50,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:50,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:50,994 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:52:51,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:51,002 INFO L85 PathProgramCache]: Analyzing trace with hash 2134899084, now seen corresponding path program 1 times [2023-11-26 11:52:51,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:51,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798050174] [2023-11-26 11:52:51,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:51,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:51,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:51,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798050174] [2023-11-26 11:52:51,084 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 11:52:51,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162758047] [2023-11-26 11:52:51,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:51,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:52:51,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:51,090 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:52:51,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 11:52:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:51,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:52:51,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:52:51,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:51,294 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:52:51,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162758047] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:51,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:51,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:51,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590249465] [2023-11-26 11:52:51,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:51,301 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 11:52:51,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:51,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:52:51,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:52:51,351 INFO L87 Difference]: Start difference. First operand has 384 states, 379 states have (on average 1.683377308707124) internal successors, (638), 379 states have internal predecessors, (638), 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) [2023-11-26 11:52:51,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:51,397 INFO L93 Difference]: Finished difference Result 378 states and 559 transitions. [2023-11-26 11:52:51,399 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 378 states and 559 transitions. [2023-11-26 11:52:51,405 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 358 [2023-11-26 11:52:51,417 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 378 states to 368 states and 549 transitions. [2023-11-26 11:52:51,418 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 368 [2023-11-26 11:52:51,420 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 368 [2023-11-26 11:52:51,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 368 states and 549 transitions. [2023-11-26 11:52:51,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:51,426 INFO L218 hiAutomatonCegarLoop]: Abstraction has 368 states and 549 transitions. [2023-11-26 11:52:51,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states and 549 transitions. [2023-11-26 11:52:51,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2023-11-26 11:52:51,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 364 states have (on average 1.4917582417582418) internal successors, (543), 363 states have internal predecessors, (543), 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) [2023-11-26 11:52:51,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 549 transitions. [2023-11-26 11:52:51,476 INFO L240 hiAutomatonCegarLoop]: Abstraction has 368 states and 549 transitions. [2023-11-26 11:52:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:52:51,480 INFO L428 stractBuchiCegarLoop]: Abstraction has 368 states and 549 transitions. [2023-11-26 11:52:51,480 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:52:51,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 368 states and 549 transitions. [2023-11-26 11:52:51,483 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 358 [2023-11-26 11:52:51,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:52:51,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:52:51,485 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:52:51,485 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] [2023-11-26 11:52:51,486 INFO L748 eck$LassoCheckResult]: Stem: 1093#$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; 1094#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_#t~ite232#1.base, main_#t~ite232#1.offset, main_#t~mem231#1.base, main_#t~mem231#1.offset, main_#t~mem235#1.base, main_#t~mem235#1.offset, main_#t~mem236#1.base, main_#t~mem236#1.offset, main_#t~short237#1, main_#t~mem238#1.base, main_#t~mem238#1.offset, main_#t~mem239#1.base, main_#t~mem239#1.offset, main_#t~mem240#1.base, main_#t~mem240#1.offset, main_#t~mem241#1.base, main_#t~mem241#1.offset, main_#t~mem242#1.base, main_#t~mem242#1.offset, main_#t~mem243#1.base, main_#t~mem243#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1.base, main_#t~mem245#1.offset, main_#t~mem246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1.base, main_#t~mem254#1.offset, main_#t~mem255#1.base, main_#t~mem255#1.offset, main_#t~mem256#1, main_#t~mem257#1.base, main_#t~mem257#1.offset, main_#t~mem260#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~mem259#1, main_#t~nondet261#1, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1.base, main_#t~mem263#1.offset, main_#t~mem264#1, main_#t~post265#1, main_#t~mem266#1.base, main_#t~mem266#1.offset, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1.base, main_#t~mem270#1.offset, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1, main_#t~post276#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite234#1.base, main_#t~ite234#1.offset, main_#t~mem233#1.base, main_#t~mem233#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 887#L814-4 [2023-11-26 11:52:51,488 INFO L750 eck$LassoCheckResult]: Loop: 887#L814-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 1007#L814-1 assume !!(main_#t~mem7#1 < 10);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; 1128#L816 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 1129#L816-2 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; 923#L821-269 havoc main_~_ha_hashv~0#1; 924#L821-176 goto; 972#L821-174 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; 967#L821-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 1055#L821-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 1066#L821-73 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; 976#L821-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 977#L821-76 assume !main_#t~switch33#1; 1130#L821-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 1132#L821-79 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; 1103#L821-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 1104#L821-82 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; 1122#L821-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 952#L821-85 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; 953#L821-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 1043#L821-88 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; 1061#L821-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 830#L821-91 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; 831#L821-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 1142#L821-94 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; 1029#L821-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 816#L821-97 assume !main_#t~switch33#1; 817#L821-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 1009#L821-100 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; 1010#L821-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 1062#L821-103 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; 1145#L821-105 havoc main_#t~switch33#1; 1143#L821-171 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; 1022#L821-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet45#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 943#L821-113 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; 944#L821-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet46#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 799#L821-120 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; 1131#L821-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet47#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 1078#L821-127 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; 862#L821-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet48#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 863#L821-134 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; 1044#L821-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 922#L821-141 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; 978#L821-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet50#1 := main_~_hj_j~0#1 % 4294967296 / 32; 901#L821-148 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; 988#L821-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 842#L821-155 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; 878#L821-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 883#L821-162 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; 1069#L821-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 869#L821-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 870#L821-170 goto; 927#L821-172 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; 928#L821-173 goto; 1152#L821-175 goto; 876#L821-266 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); 877#L821-178 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; 1071#L821-194 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; 1099#L821-193 goto; 1081#L821-264 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; 1082#L821-203 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); 940#L821-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 942#L821-201 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; 1060#L821-202 goto; 1108#L821-261 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); 1151#L821-205 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; 1141#L821-207 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; 969#L821-208 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; 945#L821-210 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; 946#L821-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 963#L821-260 goto; 964#L821-262 havoc main_~_ha_bkt~0#1; 1037#L821-263 goto; 823#L821-265 goto; 824#L821-267 havoc main_~_ha_hashv~0#1; 1119#L821-268 goto; 886#L814-3 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; 887#L814-4 [2023-11-26 11:52:51,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:51,489 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 2 times [2023-11-26 11:52:51,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:51,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156190414] [2023-11-26 11:52:51,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:51,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:51,510 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:51,533 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:52:51,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:51,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1198917207, now seen corresponding path program 1 times [2023-11-26 11:52:51,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:51,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068081969] [2023-11-26 11:52:51,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:51,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:51,614 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:52:51,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [956087291] [2023-11-26 11:52:51,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:51,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:52:51,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:51,657 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:52:51,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 11:52:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:52,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:52:52,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:52:52,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:52,130 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:52:52,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:52,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068081969] [2023-11-26 11:52:52,130 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:52:52,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956087291] [2023-11-26 11:52:52,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956087291] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:52,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:52,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:52:52,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964599696] [2023-11-26 11:52:52,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:52,132 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 11:52:52,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:52,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:52,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:52,134 INFO L87 Difference]: Start difference. First operand 368 states and 549 transitions. cyclomatic complexity: 185 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) [2023-11-26 11:52:52,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:52,252 INFO L93 Difference]: Finished difference Result 389 states and 570 transitions. [2023-11-26 11:52:52,253 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 389 states and 570 transitions. [2023-11-26 11:52:52,257 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 379 [2023-11-26 11:52:52,262 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 389 states to 389 states and 570 transitions. [2023-11-26 11:52:52,262 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 389 [2023-11-26 11:52:52,264 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 389 [2023-11-26 11:52:52,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 389 states and 570 transitions. [2023-11-26 11:52:52,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:52,267 INFO L218 hiAutomatonCegarLoop]: Abstraction has 389 states and 570 transitions. [2023-11-26 11:52:52,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states and 570 transitions. [2023-11-26 11:52:52,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 388. [2023-11-26 11:52:52,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 384 states have (on average 1.4661458333333333) internal successors, (563), 383 states have internal predecessors, (563), 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) [2023-11-26 11:52:52,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 569 transitions. [2023-11-26 11:52:52,288 INFO L240 hiAutomatonCegarLoop]: Abstraction has 388 states and 569 transitions. [2023-11-26 11:52:52,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:52,290 INFO L428 stractBuchiCegarLoop]: Abstraction has 388 states and 569 transitions. [2023-11-26 11:52:52,290 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 11:52:52,290 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 388 states and 569 transitions. [2023-11-26 11:52:52,293 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 378 [2023-11-26 11:52:52,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:52:52,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:52:52,295 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:52:52,296 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] [2023-11-26 11:52:52,296 INFO L748 eck$LassoCheckResult]: Stem: 2083#$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; 2084#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_#t~ite232#1.base, main_#t~ite232#1.offset, main_#t~mem231#1.base, main_#t~mem231#1.offset, main_#t~mem235#1.base, main_#t~mem235#1.offset, main_#t~mem236#1.base, main_#t~mem236#1.offset, main_#t~short237#1, main_#t~mem238#1.base, main_#t~mem238#1.offset, main_#t~mem239#1.base, main_#t~mem239#1.offset, main_#t~mem240#1.base, main_#t~mem240#1.offset, main_#t~mem241#1.base, main_#t~mem241#1.offset, main_#t~mem242#1.base, main_#t~mem242#1.offset, main_#t~mem243#1.base, main_#t~mem243#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1.base, main_#t~mem245#1.offset, main_#t~mem246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1.base, main_#t~mem254#1.offset, main_#t~mem255#1.base, main_#t~mem255#1.offset, main_#t~mem256#1, main_#t~mem257#1.base, main_#t~mem257#1.offset, main_#t~mem260#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~mem259#1, main_#t~nondet261#1, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1.base, main_#t~mem263#1.offset, main_#t~mem264#1, main_#t~post265#1, main_#t~mem266#1.base, main_#t~mem266#1.offset, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1.base, main_#t~mem270#1.offset, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1, main_#t~post276#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite234#1.base, main_#t~ite234#1.offset, main_#t~mem233#1.base, main_#t~mem233#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 1875#L814-4 [2023-11-26 11:52:52,297 INFO L750 eck$LassoCheckResult]: Loop: 1875#L814-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 1992#L814-1 assume !!(main_#t~mem7#1 < 10);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; 2116#L816 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 2117#L816-2 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; 1911#L821-269 havoc main_~_ha_hashv~0#1; 1912#L821-176 goto; 1960#L821-174 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; 1955#L821-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 2043#L821-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 2052#L821-73 assume !main_#t~switch33#1; 2053#L821-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 2160#L821-76 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; 2120#L821-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 2122#L821-79 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; 2093#L821-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 2094#L821-82 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; 2108#L821-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 1940#L821-85 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; 1941#L821-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 2031#L821-88 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; 2049#L821-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 1818#L821-91 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; 1819#L821-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 2134#L821-94 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; 2017#L821-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 1804#L821-97 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; 1805#L821-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 1999#L821-100 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; 2000#L821-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 2139#L821-103 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; 2137#L821-105 havoc main_#t~switch33#1; 2135#L821-171 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; 2013#L821-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet45#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 1931#L821-113 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; 1932#L821-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet46#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 1789#L821-120 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; 2121#L821-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet47#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 2069#L821-127 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; 1853#L821-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet48#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 1854#L821-134 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; 2032#L821-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 1910#L821-141 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; 1966#L821-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet50#1 := main_~_hj_j~0#1 % 4294967296 / 32; 1889#L821-148 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; 1976#L821-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 1830#L821-155 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; 1866#L821-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 1871#L821-162 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; 2061#L821-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 1859#L821-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 1860#L821-170 goto; 1915#L821-172 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; 1919#L821-173 goto; 2145#L821-175 goto; 1864#L821-266 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); 1865#L821-178 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; 2063#L821-194 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; 2089#L821-193 goto; 2071#L821-264 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; 2072#L821-203 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); 1928#L821-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 1930#L821-201 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; 2048#L821-202 goto; 2098#L821-261 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); 2144#L821-205 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; 2131#L821-207 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; 1957#L821-208 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; 1933#L821-210 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; 1934#L821-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 1951#L821-260 goto; 1952#L821-262 havoc main_~_ha_bkt~0#1; 2026#L821-263 goto; 1811#L821-265 goto; 1812#L821-267 havoc main_~_ha_hashv~0#1; 2110#L821-268 goto; 1874#L814-3 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; 1875#L814-4 [2023-11-26 11:52:52,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:52,297 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 3 times [2023-11-26 11:52:52,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:52,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544506443] [2023-11-26 11:52:52,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:52,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:52,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:52,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:52:52,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:52,340 INFO L85 PathProgramCache]: Analyzing trace with hash -597437867, now seen corresponding path program 1 times [2023-11-26 11:52:52,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:52,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094676969] [2023-11-26 11:52:52,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:52,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:52,404 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:52:52,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1415742563] [2023-11-26 11:52:52,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:52,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:52:52,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:52,409 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:52:52,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 11:52:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:52,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:52:52,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:52:52,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:52,810 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:52:52,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:52,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094676969] [2023-11-26 11:52:52,811 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:52:52,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415742563] [2023-11-26 11:52:52,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415742563] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:52,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:52,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:52:52,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157160792] [2023-11-26 11:52:52,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:52,813 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 11:52:52,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:52,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:52:52,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:52:52,814 INFO L87 Difference]: Start difference. First operand 388 states and 569 transitions. cyclomatic complexity: 185 Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:52,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:52,929 INFO L93 Difference]: Finished difference Result 375 states and 549 transitions. [2023-11-26 11:52:52,929 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 375 states and 549 transitions. [2023-11-26 11:52:52,933 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 365 [2023-11-26 11:52:52,937 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 375 states to 375 states and 549 transitions. [2023-11-26 11:52:52,938 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 375 [2023-11-26 11:52:52,939 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 375 [2023-11-26 11:52:52,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 375 states and 549 transitions. [2023-11-26 11:52:52,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:52,940 INFO L218 hiAutomatonCegarLoop]: Abstraction has 375 states and 549 transitions. [2023-11-26 11:52:52,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states and 549 transitions. [2023-11-26 11:52:52,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 374. [2023-11-26 11:52:52,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 370 states have (on average 1.4648648648648648) internal successors, (542), 369 states have internal predecessors, (542), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-26 11:52:52,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 548 transitions. [2023-11-26 11:52:52,955 INFO L240 hiAutomatonCegarLoop]: Abstraction has 374 states and 548 transitions. [2023-11-26 11:52:52,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:52:52,956 INFO L428 stractBuchiCegarLoop]: Abstraction has 374 states and 548 transitions. [2023-11-26 11:52:52,956 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 11:52:52,956 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 374 states and 548 transitions. [2023-11-26 11:52:52,959 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 364 [2023-11-26 11:52:52,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:52:52,959 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:52:52,961 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:52:52,961 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] [2023-11-26 11:52:52,962 INFO L748 eck$LassoCheckResult]: Stem: 3079#$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; 3080#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_#t~ite232#1.base, main_#t~ite232#1.offset, main_#t~mem231#1.base, main_#t~mem231#1.offset, main_#t~mem235#1.base, main_#t~mem235#1.offset, main_#t~mem236#1.base, main_#t~mem236#1.offset, main_#t~short237#1, main_#t~mem238#1.base, main_#t~mem238#1.offset, main_#t~mem239#1.base, main_#t~mem239#1.offset, main_#t~mem240#1.base, main_#t~mem240#1.offset, main_#t~mem241#1.base, main_#t~mem241#1.offset, main_#t~mem242#1.base, main_#t~mem242#1.offset, main_#t~mem243#1.base, main_#t~mem243#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1.base, main_#t~mem245#1.offset, main_#t~mem246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1.base, main_#t~mem254#1.offset, main_#t~mem255#1.base, main_#t~mem255#1.offset, main_#t~mem256#1, main_#t~mem257#1.base, main_#t~mem257#1.offset, main_#t~mem260#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~mem259#1, main_#t~nondet261#1, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1.base, main_#t~mem263#1.offset, main_#t~mem264#1, main_#t~post265#1, main_#t~mem266#1.base, main_#t~mem266#1.offset, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1.base, main_#t~mem270#1.offset, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1, main_#t~post276#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite234#1.base, main_#t~ite234#1.offset, main_#t~mem233#1.base, main_#t~mem233#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 2871#L814-4 [2023-11-26 11:52:52,962 INFO L750 eck$LassoCheckResult]: Loop: 2871#L814-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 2990#L814-1 assume !!(main_#t~mem7#1 < 10);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; 3114#L816 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 3115#L816-2 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; 2907#L821-269 havoc main_~_ha_hashv~0#1; 2908#L821-176 goto; 2956#L821-174 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; 2951#L821-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 3040#L821-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 3052#L821-73 assume !main_#t~switch33#1; 2960#L821-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 2961#L821-76 assume !main_#t~switch33#1; 3116#L821-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 3118#L821-79 assume !main_#t~switch33#1; 3089#L821-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 3090#L821-82 assume !main_#t~switch33#1; 3108#L821-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 2936#L821-85 assume !main_#t~switch33#1; 2937#L821-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 3028#L821-88 assume !main_#t~switch33#1; 3046#L821-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 2814#L821-91 assume !main_#t~switch33#1; 2815#L821-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 3130#L821-94 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; 3141#L821-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 2800#L821-97 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; 2801#L821-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 2995#L821-100 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; 2996#L821-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 3134#L821-103 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; 3133#L821-105 havoc main_#t~switch33#1; 3131#L821-171 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; 3006#L821-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet45#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 2927#L821-113 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; 2928#L821-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet46#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 2783#L821-120 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; 3117#L821-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet47#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 3064#L821-127 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; 2846#L821-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet48#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 2847#L821-134 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; 3029#L821-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 2904#L821-141 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; 2962#L821-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet50#1 := main_~_hj_j~0#1 % 4294967296 / 32; 2883#L821-148 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; 2971#L821-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 2824#L821-155 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; 2862#L821-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 2864#L821-162 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; 3055#L821-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 2853#L821-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 2854#L821-170 goto; 2911#L821-172 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; 2912#L821-173 goto; 3142#L821-175 goto; 2860#L821-266 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); 2861#L821-178 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; 3057#L821-194 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; 3085#L821-193 goto; 3067#L821-264 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; 3068#L821-203 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); 2924#L821-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 2926#L821-201 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; 3045#L821-202 goto; 3094#L821-261 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); 3140#L821-205 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; 3127#L821-207 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; 2953#L821-208 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; 2929#L821-210 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; 2930#L821-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 2947#L821-260 goto; 2948#L821-262 havoc main_~_ha_bkt~0#1; 3022#L821-263 goto; 2807#L821-265 goto; 2808#L821-267 havoc main_~_ha_hashv~0#1; 3105#L821-268 goto; 2870#L814-3 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; 2871#L814-4 [2023-11-26 11:52:52,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:52,963 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 4 times [2023-11-26 11:52:52,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:52,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5751641] [2023-11-26 11:52:52,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:52,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:52,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:52,998 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:52:52,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:52,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1826004511, now seen corresponding path program 1 times [2023-11-26 11:52:52,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:52,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101396199] [2023-11-26 11:52:52,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:53,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:53,051 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:52:53,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [636310163] [2023-11-26 11:52:53,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:53,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:52:53,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:53,056 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:52:53,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 11:52:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:53,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-26 11:52:53,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:52:54,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:54,137 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:52:54,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:54,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101396199] [2023-11-26 11:52:54,137 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:52:54,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636310163] [2023-11-26 11:52:54,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636310163] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:54,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:54,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-26 11:52:54,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103709911] [2023-11-26 11:52:54,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:54,139 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 11:52:54,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:54,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 11:52:54,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-26 11:52:54,141 INFO L87 Difference]: Start difference. First operand 374 states and 548 transitions. cyclomatic complexity: 178 Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 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) [2023-11-26 11:52:54,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:54,649 INFO L93 Difference]: Finished difference Result 423 states and 610 transitions. [2023-11-26 11:52:54,649 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 423 states and 610 transitions. [2023-11-26 11:52:54,653 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 413 [2023-11-26 11:52:54,658 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 423 states to 423 states and 610 transitions. [2023-11-26 11:52:54,659 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 423 [2023-11-26 11:52:54,659 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 423 [2023-11-26 11:52:54,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 423 states and 610 transitions. [2023-11-26 11:52:54,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:54,661 INFO L218 hiAutomatonCegarLoop]: Abstraction has 423 states and 610 transitions. [2023-11-26 11:52:54,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states and 610 transitions. [2023-11-26 11:52:54,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 414. [2023-11-26 11:52:54,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 410 states have (on average 1.4390243902439024) internal successors, (590), 409 states have internal predecessors, (590), 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) [2023-11-26 11:52:54,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 596 transitions. [2023-11-26 11:52:54,676 INFO L240 hiAutomatonCegarLoop]: Abstraction has 414 states and 596 transitions. [2023-11-26 11:52:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 11:52:54,677 INFO L428 stractBuchiCegarLoop]: Abstraction has 414 states and 596 transitions. [2023-11-26 11:52:54,678 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-26 11:52:54,678 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 414 states and 596 transitions. [2023-11-26 11:52:54,680 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 404 [2023-11-26 11:52:54,681 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:52:54,681 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:52:54,682 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:52:54,682 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] [2023-11-26 11:52:54,682 INFO L748 eck$LassoCheckResult]: Stem: 4112#$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; 4113#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_#t~ite232#1.base, main_#t~ite232#1.offset, main_#t~mem231#1.base, main_#t~mem231#1.offset, main_#t~mem235#1.base, main_#t~mem235#1.offset, main_#t~mem236#1.base, main_#t~mem236#1.offset, main_#t~short237#1, main_#t~mem238#1.base, main_#t~mem238#1.offset, main_#t~mem239#1.base, main_#t~mem239#1.offset, main_#t~mem240#1.base, main_#t~mem240#1.offset, main_#t~mem241#1.base, main_#t~mem241#1.offset, main_#t~mem242#1.base, main_#t~mem242#1.offset, main_#t~mem243#1.base, main_#t~mem243#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1.base, main_#t~mem245#1.offset, main_#t~mem246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1.base, main_#t~mem254#1.offset, main_#t~mem255#1.base, main_#t~mem255#1.offset, main_#t~mem256#1, main_#t~mem257#1.base, main_#t~mem257#1.offset, main_#t~mem260#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~mem259#1, main_#t~nondet261#1, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1.base, main_#t~mem263#1.offset, main_#t~mem264#1, main_#t~post265#1, main_#t~mem266#1.base, main_#t~mem266#1.offset, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1.base, main_#t~mem270#1.offset, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1, main_#t~post276#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite234#1.base, main_#t~ite234#1.offset, main_#t~mem233#1.base, main_#t~mem233#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 3903#L814-4 [2023-11-26 11:52:54,683 INFO L750 eck$LassoCheckResult]: Loop: 3903#L814-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 4022#L814-1 assume !!(main_#t~mem7#1 < 10);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; 4146#L816 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 4147#L816-2 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; 3939#L821-269 havoc main_~_ha_hashv~0#1; 3940#L821-176 goto; 3989#L821-174 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; 4020#L821-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 4215#L821-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 4214#L821-73 assume !main_#t~switch33#1; 4213#L821-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 4212#L821-76 assume !main_#t~switch33#1; 4211#L821-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 4210#L821-79 assume !main_#t~switch33#1; 4209#L821-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 4208#L821-82 assume !main_#t~switch33#1; 4207#L821-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 4206#L821-85 assume !main_#t~switch33#1; 4205#L821-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 4204#L821-88 assume !main_#t~switch33#1; 4203#L821-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 4202#L821-91 assume !main_#t~switch33#1; 4201#L821-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 4200#L821-94 assume !main_#t~switch33#1; 4198#L821-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 4195#L821-97 assume !main_#t~switch33#1; 4192#L821-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 4189#L821-100 assume !main_#t~switch33#1; 4186#L821-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 4184#L821-103 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; 4169#L821-105 havoc main_#t~switch33#1; 4166#L821-171 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; 4167#L821-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet45#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 4181#L821-113 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; 4180#L821-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet46#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 4179#L821-120 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; 4163#L821-121 assume !(0 == main_~_ha_hashv~0#1 % 4294967296); 4164#L821-123 assume 0 == main_~_hj_j~0#1 % 4294967296 / 8192 % 4294967296;main_#t~nondet47#1 := main_~_ha_hashv~0#1; 4098#L821-127 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; 3881#L821-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet48#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 3882#L821-134 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; 4063#L821-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 3938#L821-141 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; 3995#L821-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet50#1 := main_~_hj_j~0#1 % 4294967296 / 32; 3917#L821-148 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; 4005#L821-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 3858#L821-155 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; 3894#L821-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 3899#L821-162 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; 4090#L821-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 3887#L821-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 3888#L821-170 goto; 3943#L821-172 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; 3947#L821-173 goto; 4178#L821-175 goto; 3892#L821-266 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); 3893#L821-178 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; 4092#L821-194 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; 4118#L821-193 goto; 4100#L821-264 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; 4101#L821-203 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); 3956#L821-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 3958#L821-201 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; 4079#L821-202 goto; 4127#L821-261 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); 4176#L821-205 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; 4162#L821-207 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; 3985#L821-208 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; 3961#L821-210 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; 3962#L821-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 3979#L821-260 goto; 3980#L821-262 havoc main_~_ha_bkt~0#1; 4057#L821-263 goto; 3839#L821-265 goto; 3840#L821-267 havoc main_~_ha_hashv~0#1; 4140#L821-268 goto; 3902#L814-3 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; 3903#L814-4 [2023-11-26 11:52:54,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:54,684 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 5 times [2023-11-26 11:52:54,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:54,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866012520] [2023-11-26 11:52:54,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:54,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:54,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:54,727 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:52:54,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:54,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1833992926, now seen corresponding path program 1 times [2023-11-26 11:52:54,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:54,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780241117] [2023-11-26 11:52:54,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:54,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:54,782 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:52:54,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2003994133] [2023-11-26 11:52:54,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:54,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:52:54,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:54,787 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:52:54,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 11:52:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:55,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:52:55,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:52:55,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:55,195 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:52:55,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:55,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780241117] [2023-11-26 11:52:55,196 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:52:55,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003994133] [2023-11-26 11:52:55,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003994133] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:55,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:55,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:52:55,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151837818] [2023-11-26 11:52:55,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:55,198 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 11:52:55,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:55,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:52:55,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:52:55,199 INFO L87 Difference]: Start difference. First operand 414 states and 596 transitions. cyclomatic complexity: 186 Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:55,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:55,359 INFO L93 Difference]: Finished difference Result 491 states and 722 transitions. [2023-11-26 11:52:55,359 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 491 states and 722 transitions. [2023-11-26 11:52:55,364 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 481 [2023-11-26 11:52:55,369 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 491 states to 491 states and 722 transitions. [2023-11-26 11:52:55,370 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 491 [2023-11-26 11:52:55,370 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 491 [2023-11-26 11:52:55,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 491 states and 722 transitions. [2023-11-26 11:52:55,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:55,372 INFO L218 hiAutomatonCegarLoop]: Abstraction has 491 states and 722 transitions. [2023-11-26 11:52:55,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states and 722 transitions. [2023-11-26 11:52:55,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 414. [2023-11-26 11:52:55,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 410 states have (on average 1.4317073170731707) internal successors, (587), 409 states have internal predecessors, (587), 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) [2023-11-26 11:52:55,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 593 transitions. [2023-11-26 11:52:55,384 INFO L240 hiAutomatonCegarLoop]: Abstraction has 414 states and 593 transitions. [2023-11-26 11:52:55,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:52:55,388 INFO L428 stractBuchiCegarLoop]: Abstraction has 414 states and 593 transitions. [2023-11-26 11:52:55,389 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-26 11:52:55,389 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 414 states and 593 transitions. [2023-11-26 11:52:55,391 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 404 [2023-11-26 11:52:55,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:52:55,392 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:52:55,393 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:52:55,393 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] [2023-11-26 11:52:55,400 INFO L748 eck$LassoCheckResult]: Stem: 5254#$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; 5255#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_#t~ite232#1.base, main_#t~ite232#1.offset, main_#t~mem231#1.base, main_#t~mem231#1.offset, main_#t~mem235#1.base, main_#t~mem235#1.offset, main_#t~mem236#1.base, main_#t~mem236#1.offset, main_#t~short237#1, main_#t~mem238#1.base, main_#t~mem238#1.offset, main_#t~mem239#1.base, main_#t~mem239#1.offset, main_#t~mem240#1.base, main_#t~mem240#1.offset, main_#t~mem241#1.base, main_#t~mem241#1.offset, main_#t~mem242#1.base, main_#t~mem242#1.offset, main_#t~mem243#1.base, main_#t~mem243#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1.base, main_#t~mem245#1.offset, main_#t~mem246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1.base, main_#t~mem254#1.offset, main_#t~mem255#1.base, main_#t~mem255#1.offset, main_#t~mem256#1, main_#t~mem257#1.base, main_#t~mem257#1.offset, main_#t~mem260#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~mem259#1, main_#t~nondet261#1, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1.base, main_#t~mem263#1.offset, main_#t~mem264#1, main_#t~post265#1, main_#t~mem266#1.base, main_#t~mem266#1.offset, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1.base, main_#t~mem270#1.offset, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1, main_#t~post276#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite234#1.base, main_#t~ite234#1.offset, main_#t~mem233#1.base, main_#t~mem233#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 5044#L814-4 [2023-11-26 11:52:55,401 INFO L750 eck$LassoCheckResult]: Loop: 5044#L814-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 5163#L814-1 assume !!(main_#t~mem7#1 < 10);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; 5288#L816 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 5289#L816-2 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; 5080#L821-269 havoc main_~_ha_hashv~0#1; 5081#L821-176 goto; 5130#L821-174 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; 5161#L821-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 5356#L821-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 5355#L821-73 assume !main_#t~switch33#1; 5354#L821-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 5352#L821-76 assume !main_#t~switch33#1; 5351#L821-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 5350#L821-79 assume !main_#t~switch33#1; 5349#L821-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 5348#L821-82 assume !main_#t~switch33#1; 5347#L821-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 5346#L821-85 assume !main_#t~switch33#1; 5343#L821-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 5342#L821-88 assume !main_#t~switch33#1; 5221#L821-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 4987#L821-91 assume !main_#t~switch33#1; 4988#L821-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 5304#L821-94 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; 5338#L821-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 5336#L821-97 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; 5334#L821-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 5332#L821-100 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; 5330#L821-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 5328#L821-103 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; 5327#L821-105 havoc main_#t~switch33#1; 5305#L821-171 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; 5185#L821-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet45#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 5100#L821-113 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; 5101#L821-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet46#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 5181#L821-120 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; 5293#L821-121 assume !(0 == main_~_ha_hashv~0#1 % 4294967296); 5296#L821-123 assume 0 == main_~_hj_j~0#1 % 4294967296 / 8192 % 4294967296;main_#t~nondet47#1 := main_~_ha_hashv~0#1; 5240#L821-127 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; 5022#L821-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet48#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 5023#L821-134 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; 5204#L821-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 5079#L821-141 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; 5136#L821-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet50#1 := main_~_hj_j~0#1 % 4294967296 / 32; 5058#L821-148 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; 5146#L821-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 4999#L821-155 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; 5035#L821-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 5040#L821-162 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; 5232#L821-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 5028#L821-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 5029#L821-170 goto; 5084#L821-172 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; 5088#L821-173 goto; 5319#L821-175 goto; 5033#L821-266 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); 5034#L821-178 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; 5234#L821-194 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; 5260#L821-193 goto; 5242#L821-264 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; 5243#L821-203 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); 5097#L821-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 5099#L821-201 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; 5220#L821-202 goto; 5269#L821-261 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); 5315#L821-205 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; 5303#L821-207 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; 5126#L821-208 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; 5102#L821-210 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; 5103#L821-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 5120#L821-260 goto; 5121#L821-262 havoc main_~_ha_bkt~0#1; 5198#L821-263 goto; 4980#L821-265 goto; 4981#L821-267 havoc main_~_ha_hashv~0#1; 5282#L821-268 goto; 5043#L814-3 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; 5044#L814-4 [2023-11-26 11:52:55,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:55,403 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 6 times [2023-11-26 11:52:55,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:55,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215960173] [2023-11-26 11:52:55,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:55,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:55,423 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:55,439 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:52:55,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:55,440 INFO L85 PathProgramCache]: Analyzing trace with hash -99285852, now seen corresponding path program 1 times [2023-11-26 11:52:55,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:55,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034961322] [2023-11-26 11:52:55,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:55,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:55,492 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:52:55,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1056073956] [2023-11-26 11:52:55,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:55,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:52:55,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:55,496 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:52:55,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 11:52:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:55,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-26 11:52:55,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:52:56,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:56,119 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:52:56,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:56,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034961322] [2023-11-26 11:52:56,120 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:52:56,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056073956] [2023-11-26 11:52:56,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056073956] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:56,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:56,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 11:52:56,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586477070] [2023-11-26 11:52:56,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:56,123 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 11:52:56,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:56,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 11:52:56,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:52:56,124 INFO L87 Difference]: Start difference. First operand 414 states and 593 transitions. cyclomatic complexity: 183 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) [2023-11-26 11:52:56,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:56,968 INFO L93 Difference]: Finished difference Result 432 states and 620 transitions. [2023-11-26 11:52:56,968 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 432 states and 620 transitions. [2023-11-26 11:52:56,973 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 422 [2023-11-26 11:52:56,978 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 432 states to 432 states and 620 transitions. [2023-11-26 11:52:56,979 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 432 [2023-11-26 11:52:56,979 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 432 [2023-11-26 11:52:56,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 432 states and 620 transitions. [2023-11-26 11:52:56,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:56,981 INFO L218 hiAutomatonCegarLoop]: Abstraction has 432 states and 620 transitions. [2023-11-26 11:52:56,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states and 620 transitions. [2023-11-26 11:52:56,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 424. [2023-11-26 11:52:56,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 420 states have (on average 1.4357142857142857) internal successors, (603), 419 states have internal predecessors, (603), 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) [2023-11-26 11:52:56,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 609 transitions. [2023-11-26 11:52:56,992 INFO L240 hiAutomatonCegarLoop]: Abstraction has 424 states and 609 transitions. [2023-11-26 11:52:56,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 11:52:56,994 INFO L428 stractBuchiCegarLoop]: Abstraction has 424 states and 609 transitions. [2023-11-26 11:52:56,995 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-26 11:52:56,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 424 states and 609 transitions. [2023-11-26 11:52:57,001 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 414 [2023-11-26 11:52:57,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:52:57,002 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:52:57,005 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:52:57,005 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] [2023-11-26 11:52:57,005 INFO L748 eck$LassoCheckResult]: Stem: 6343#$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; 6344#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_#t~ite232#1.base, main_#t~ite232#1.offset, main_#t~mem231#1.base, main_#t~mem231#1.offset, main_#t~mem235#1.base, main_#t~mem235#1.offset, main_#t~mem236#1.base, main_#t~mem236#1.offset, main_#t~short237#1, main_#t~mem238#1.base, main_#t~mem238#1.offset, main_#t~mem239#1.base, main_#t~mem239#1.offset, main_#t~mem240#1.base, main_#t~mem240#1.offset, main_#t~mem241#1.base, main_#t~mem241#1.offset, main_#t~mem242#1.base, main_#t~mem242#1.offset, main_#t~mem243#1.base, main_#t~mem243#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1.base, main_#t~mem245#1.offset, main_#t~mem246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1.base, main_#t~mem254#1.offset, main_#t~mem255#1.base, main_#t~mem255#1.offset, main_#t~mem256#1, main_#t~mem257#1.base, main_#t~mem257#1.offset, main_#t~mem260#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~mem259#1, main_#t~nondet261#1, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1.base, main_#t~mem263#1.offset, main_#t~mem264#1, main_#t~post265#1, main_#t~mem266#1.base, main_#t~mem266#1.offset, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1.base, main_#t~mem270#1.offset, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1, main_#t~post276#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite234#1.base, main_#t~ite234#1.offset, main_#t~mem233#1.base, main_#t~mem233#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 6133#L814-4 [2023-11-26 11:52:57,007 INFO L750 eck$LassoCheckResult]: Loop: 6133#L814-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 6253#L814-1 assume !!(main_#t~mem7#1 < 10);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; 6378#L816 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 6379#L816-2 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; 6169#L821-269 havoc main_~_ha_hashv~0#1; 6170#L821-176 goto; 6220#L821-174 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; 6251#L821-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 6456#L821-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 6455#L821-73 assume !main_#t~switch33#1; 6454#L821-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 6453#L821-76 assume !main_#t~switch33#1; 6452#L821-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 6447#L821-79 assume !main_#t~switch33#1; 6446#L821-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 6445#L821-82 assume !main_#t~switch33#1; 6369#L821-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 6198#L821-85 assume !main_#t~switch33#1; 6199#L821-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 6293#L821-88 assume !main_#t~switch33#1; 6311#L821-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 6077#L821-91 assume !main_#t~switch33#1; 6078#L821-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 6398#L821-94 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; 6279#L821-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 6063#L821-97 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; 6064#L821-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 6451#L821-100 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; 6450#L821-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 6448#L821-103 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; 6401#L821-105 havoc main_#t~switch33#1; 6399#L821-171 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; 6275#L821-107 assume !(0 == main_~_hj_i~0#1 % 4294967296); 6276#L821-109 assume !(0 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296); 6359#L821-111 assume main_~_hj_i~0#1 % 4294967296 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296;main_#t~nondet45#1 := 0; 6360#L821-113 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; 6427#L821-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet46#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 6218#L821-120 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; 6411#L821-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet47#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 6329#L821-127 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; 6410#L821-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet48#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 6214#L821-134 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; 6294#L821-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 6168#L821-141 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; 6226#L821-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet50#1 := main_~_hj_j~0#1 % 4294967296 / 32; 6147#L821-148 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; 6236#L821-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 6089#L821-155 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; 6124#L821-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 6129#L821-162 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; 6321#L821-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 6117#L821-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 6118#L821-170 goto; 6173#L821-172 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; 6177#L821-173 goto; 6409#L821-175 goto; 6122#L821-266 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); 6123#L821-178 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; 6323#L821-194 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; 6349#L821-193 goto; 6331#L821-264 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; 6332#L821-203 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); 6186#L821-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 6188#L821-201 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; 6310#L821-202 goto; 6358#L821-261 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); 6407#L821-205 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; 6395#L821-207 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; 6216#L821-208 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; 6191#L821-210 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; 6192#L821-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 6209#L821-260 goto; 6210#L821-262 havoc main_~_ha_bkt~0#1; 6288#L821-263 goto; 6070#L821-265 goto; 6071#L821-267 havoc main_~_ha_hashv~0#1; 6371#L821-268 goto; 6132#L814-3 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; 6133#L814-4 [2023-11-26 11:52:57,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:57,009 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 7 times [2023-11-26 11:52:57,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:57,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287806127] [2023-11-26 11:52:57,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:57,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:57,035 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:57,060 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:52:57,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:57,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1560146908, now seen corresponding path program 1 times [2023-11-26 11:52:57,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:57,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719083337] [2023-11-26 11:52:57,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:57,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:57,113 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:52:57,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [671209491] [2023-11-26 11:52:57,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:57,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:52:57,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:57,120 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:52:57,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-26 11:52:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:58,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-26 11:52:58,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:52:58,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:58,258 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:52:58,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:58,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719083337] [2023-11-26 11:52:58,258 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:52:58,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671209491] [2023-11-26 11:52:58,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671209491] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:58,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:58,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 11:52:58,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165461445] [2023-11-26 11:52:58,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:58,260 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 11:52:58,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:58,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:52:58,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:52:58,261 INFO L87 Difference]: Start difference. First operand 424 states and 609 transitions. cyclomatic complexity: 189 Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 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) [2023-11-26 11:52:58,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:58,795 INFO L93 Difference]: Finished difference Result 429 states and 615 transitions. [2023-11-26 11:52:58,795 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 429 states and 615 transitions. [2023-11-26 11:52:58,799 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 419 [2023-11-26 11:52:58,804 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 429 states to 429 states and 615 transitions. [2023-11-26 11:52:58,805 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 429 [2023-11-26 11:52:58,807 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 429 [2023-11-26 11:52:58,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 429 states and 615 transitions. [2023-11-26 11:52:58,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:58,809 INFO L218 hiAutomatonCegarLoop]: Abstraction has 429 states and 615 transitions. [2023-11-26 11:52:58,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states and 615 transitions. [2023-11-26 11:52:58,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 428. [2023-11-26 11:52:58,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 424 states have (on average 1.4339622641509433) internal successors, (608), 423 states have internal predecessors, (608), 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) [2023-11-26 11:52:58,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 614 transitions. [2023-11-26 11:52:58,820 INFO L240 hiAutomatonCegarLoop]: Abstraction has 428 states and 614 transitions. [2023-11-26 11:52:58,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:52:58,823 INFO L428 stractBuchiCegarLoop]: Abstraction has 428 states and 614 transitions. [2023-11-26 11:52:58,824 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-26 11:52:58,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 428 states and 614 transitions. [2023-11-26 11:52:58,826 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 418 [2023-11-26 11:52:58,826 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:52:58,826 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:52:58,827 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:52:58,827 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] [2023-11-26 11:52:58,828 INFO L748 eck$LassoCheckResult]: Stem: 7439#$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; 7440#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_#t~ite232#1.base, main_#t~ite232#1.offset, main_#t~mem231#1.base, main_#t~mem231#1.offset, main_#t~mem235#1.base, main_#t~mem235#1.offset, main_#t~mem236#1.base, main_#t~mem236#1.offset, main_#t~short237#1, main_#t~mem238#1.base, main_#t~mem238#1.offset, main_#t~mem239#1.base, main_#t~mem239#1.offset, main_#t~mem240#1.base, main_#t~mem240#1.offset, main_#t~mem241#1.base, main_#t~mem241#1.offset, main_#t~mem242#1.base, main_#t~mem242#1.offset, main_#t~mem243#1.base, main_#t~mem243#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1.base, main_#t~mem245#1.offset, main_#t~mem246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1.base, main_#t~mem254#1.offset, main_#t~mem255#1.base, main_#t~mem255#1.offset, main_#t~mem256#1, main_#t~mem257#1.base, main_#t~mem257#1.offset, main_#t~mem260#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~mem259#1, main_#t~nondet261#1, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1.base, main_#t~mem263#1.offset, main_#t~mem264#1, main_#t~post265#1, main_#t~mem266#1.base, main_#t~mem266#1.offset, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1.base, main_#t~mem270#1.offset, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1, main_#t~post276#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite234#1.base, main_#t~ite234#1.offset, main_#t~mem233#1.base, main_#t~mem233#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 7226#L814-4 [2023-11-26 11:52:58,828 INFO L750 eck$LassoCheckResult]: Loop: 7226#L814-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 7347#L814-1 assume !!(main_#t~mem7#1 < 10);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; 7473#L816 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 7474#L816-2 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; 7262#L821-269 havoc main_~_ha_hashv~0#1; 7263#L821-176 goto; 7314#L821-174 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; 7345#L821-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 7401#L821-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 7409#L821-73 assume !main_#t~switch33#1; 7317#L821-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 7318#L821-76 assume !main_#t~switch33#1; 7477#L821-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 7480#L821-79 assume !main_#t~switch33#1; 7449#L821-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 7450#L821-82 assume !main_#t~switch33#1; 7465#L821-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 7291#L821-85 assume !main_#t~switch33#1; 7292#L821-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 7389#L821-88 assume !main_#t~switch33#1; 7407#L821-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 7170#L821-91 assume !main_#t~switch33#1; 7171#L821-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 7491#L821-94 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; 7501#L821-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 7552#L821-97 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; 7551#L821-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 7550#L821-100 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; 7549#L821-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 7548#L821-103 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; 7494#L821-105 havoc main_#t~switch33#1; 7492#L821-171 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; 7370#L821-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet45#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 7371#L821-113 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; 7547#L821-114 assume !(0 == main_~_hj_j~0#1 % 4294967296); 7140#L821-116 assume !(0 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296); 7141#L821-118 assume main_~_hj_j~0#1 % 4294967296 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296;main_#t~nondet46#1 := 0; 7312#L821-120 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; 7505#L821-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet47#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 7425#L821-127 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; 7503#L821-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet48#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 7307#L821-134 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; 7390#L821-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 7261#L821-141 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; 7320#L821-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet50#1 := main_~_hj_j~0#1 % 4294967296 / 32; 7240#L821-148 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; 7330#L821-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 7182#L821-155 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; 7217#L821-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 7222#L821-162 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; 7417#L821-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 7210#L821-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 7211#L821-170 goto; 7266#L821-172 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; 7270#L821-173 goto; 7502#L821-175 goto; 7215#L821-266 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); 7216#L821-178 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; 7419#L821-194 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; 7445#L821-193 goto; 7427#L821-264 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; 7428#L821-203 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); 7279#L821-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 7281#L821-201 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; 7406#L821-202 goto; 7454#L821-261 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); 7500#L821-205 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; 7490#L821-207 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; 7309#L821-208 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; 7284#L821-210 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; 7285#L821-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 7302#L821-260 goto; 7303#L821-262 havoc main_~_ha_bkt~0#1; 7384#L821-263 goto; 7163#L821-265 goto; 7164#L821-267 havoc main_~_ha_hashv~0#1; 7467#L821-268 goto; 7225#L814-3 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; 7226#L814-4 [2023-11-26 11:52:58,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:58,828 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 8 times [2023-11-26 11:52:58,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:58,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18647805] [2023-11-26 11:52:58,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:58,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:58,851 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:58,877 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:52:58,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:58,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1028015420, now seen corresponding path program 1 times [2023-11-26 11:52:58,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:58,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57891163] [2023-11-26 11:52:58,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:58,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:58,932 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:52:58,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [519228529] [2023-11-26 11:52:58,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:58,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:52:58,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:58,939 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:52:58,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-26 11:52:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:59,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-26 11:52:59,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:52:59,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:59,600 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:52:59,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:59,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57891163] [2023-11-26 11:52:59,601 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:52:59,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519228529] [2023-11-26 11:52:59,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519228529] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:59,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:59,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-26 11:52:59,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929725001] [2023-11-26 11:52:59,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:59,602 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 11:52:59,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:59,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 11:52:59,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-26 11:52:59,603 INFO L87 Difference]: Start difference. First operand 428 states and 614 transitions. cyclomatic complexity: 190 Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 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) [2023-11-26 11:53:00,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:00,160 INFO L93 Difference]: Finished difference Result 436 states and 624 transitions. [2023-11-26 11:53:00,160 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 436 states and 624 transitions. [2023-11-26 11:53:00,165 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 426 [2023-11-26 11:53:00,170 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 436 states to 436 states and 624 transitions. [2023-11-26 11:53:00,170 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 436 [2023-11-26 11:53:00,171 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 436 [2023-11-26 11:53:00,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 436 states and 624 transitions. [2023-11-26 11:53:00,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:53:00,172 INFO L218 hiAutomatonCegarLoop]: Abstraction has 436 states and 624 transitions. [2023-11-26 11:53:00,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states and 624 transitions. [2023-11-26 11:53:00,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 429. [2023-11-26 11:53:00,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 425 states have (on average 1.4352941176470588) internal successors, (610), 424 states have internal predecessors, (610), 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) [2023-11-26 11:53:00,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 616 transitions. [2023-11-26 11:53:00,184 INFO L240 hiAutomatonCegarLoop]: Abstraction has 429 states and 616 transitions. [2023-11-26 11:53:00,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 11:53:00,185 INFO L428 stractBuchiCegarLoop]: Abstraction has 429 states and 616 transitions. [2023-11-26 11:53:00,186 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-26 11:53:00,186 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 429 states and 616 transitions. [2023-11-26 11:53:00,188 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 419 [2023-11-26 11:53:00,188 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:53:00,188 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:53:00,189 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:53:00,189 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] [2023-11-26 11:53:00,189 INFO L748 eck$LassoCheckResult]: Stem: 8544#$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; 8545#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_#t~ite232#1.base, main_#t~ite232#1.offset, main_#t~mem231#1.base, main_#t~mem231#1.offset, main_#t~mem235#1.base, main_#t~mem235#1.offset, main_#t~mem236#1.base, main_#t~mem236#1.offset, main_#t~short237#1, main_#t~mem238#1.base, main_#t~mem238#1.offset, main_#t~mem239#1.base, main_#t~mem239#1.offset, main_#t~mem240#1.base, main_#t~mem240#1.offset, main_#t~mem241#1.base, main_#t~mem241#1.offset, main_#t~mem242#1.base, main_#t~mem242#1.offset, main_#t~mem243#1.base, main_#t~mem243#1.offset, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1.base, main_#t~mem245#1.offset, main_#t~mem246#1, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1.base, main_#t~mem252#1.offset, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1.base, main_#t~mem254#1.offset, main_#t~mem255#1.base, main_#t~mem255#1.offset, main_#t~mem256#1, main_#t~mem257#1.base, main_#t~mem257#1.offset, main_#t~mem260#1, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~mem259#1, main_#t~nondet261#1, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1.base, main_#t~mem263#1.offset, main_#t~mem264#1, main_#t~post265#1, main_#t~mem266#1.base, main_#t~mem266#1.offset, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1.base, main_#t~mem268#1.offset, main_#t~mem269#1.base, main_#t~mem269#1.offset, main_#t~mem270#1.base, main_#t~mem270#1.offset, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem272#1.base, main_#t~mem272#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem274#1.base, main_#t~mem274#1.offset, main_#t~mem275#1, main_#t~post276#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite234#1.base, main_#t~ite234#1.offset, main_#t~mem233#1.base, main_#t~mem233#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 8332#L814-4 [2023-11-26 11:53:00,190 INFO L750 eck$LassoCheckResult]: Loop: 8332#L814-4 call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 8453#L814-1 assume !!(main_#t~mem7#1 < 10);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; 8581#L816 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 8582#L816-2 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; 8368#L821-269 havoc main_~_ha_hashv~0#1; 8369#L821-176 goto; 8420#L821-174 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; 8451#L821-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 8505#L821-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch33#1 := 11 == main_~_hj_k~0#1; 8516#L821-73 assume !main_#t~switch33#1; 8423#L821-75 main_#t~switch33#1 := main_#t~switch33#1 || 10 == main_~_hj_k~0#1; 8424#L821-76 assume !main_#t~switch33#1; 8657#L821-78 main_#t~switch33#1 := main_#t~switch33#1 || 9 == main_~_hj_k~0#1; 8604#L821-79 assume !main_#t~switch33#1; 8605#L821-81 main_#t~switch33#1 := main_#t~switch33#1 || 8 == main_~_hj_k~0#1; 8576#L821-82 assume !main_#t~switch33#1; 8574#L821-84 main_#t~switch33#1 := main_#t~switch33#1 || 7 == main_~_hj_k~0#1; 8397#L821-85 assume !main_#t~switch33#1; 8398#L821-87 main_#t~switch33#1 := main_#t~switch33#1 || 6 == main_~_hj_k~0#1; 8493#L821-88 assume !main_#t~switch33#1; 8511#L821-90 main_#t~switch33#1 := main_#t~switch33#1 || 5 == main_~_hj_k~0#1; 8512#L821-91 assume !main_#t~switch33#1; 8647#L821-93 main_#t~switch33#1 := main_#t~switch33#1 || 4 == main_~_hj_k~0#1; 8613#L821-94 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; 8480#L821-96 main_#t~switch33#1 := main_#t~switch33#1 || 3 == main_~_hj_k~0#1; 8262#L821-97 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; 8263#L821-99 main_#t~switch33#1 := main_#t~switch33#1 || 2 == main_~_hj_k~0#1; 8655#L821-100 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; 8654#L821-102 main_#t~switch33#1 := main_#t~switch33#1 || 1 == main_~_hj_k~0#1; 8651#L821-103 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; 8602#L821-105 havoc main_#t~switch33#1; 8600#L821-171 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; 8475#L821-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet45#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 8388#L821-113 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; 8389#L821-114 assume !(0 == main_~_hj_j~0#1 % 4294967296); 8246#L821-116 assume !(0 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296); 8247#L821-118 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; 8418#L821-120 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; 8618#L821-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet47#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 8530#L821-127 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; 8616#L821-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet48#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 8413#L821-134 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; 8494#L821-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet49#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 8367#L821-141 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; 8426#L821-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet50#1 := main_~_hj_j~0#1 % 4294967296 / 32; 8346#L821-148 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; 8436#L821-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet51#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 8288#L821-155 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; 8323#L821-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet52#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 8328#L821-162 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; 8522#L821-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet53#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 8316#L821-169 main_~_ha_hashv~0#1 := main_#t~nondet53#1;havoc main_#t~nondet53#1; 8317#L821-170 goto; 8372#L821-172 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; 8376#L821-173 goto; 8615#L821-175 goto; 8321#L821-266 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); 8322#L821-178 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; 8524#L821-194 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; 8550#L821-193 goto; 8532#L821-264 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; 8533#L821-203 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); 8385#L821-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem83#1 - 1) % 4294967296;main_#t~nondet84#1 := 0; 8387#L821-201 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; 8510#L821-202 goto; 8559#L821-261 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); 8610#L821-205 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; 8597#L821-207 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; 8415#L821-208 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; 8390#L821-210 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; 8391#L821-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 8406#L821-260 goto; 8407#L821-262 havoc main_~_ha_bkt~0#1; 8486#L821-263 goto; 8267#L821-265 goto; 8268#L821-267 havoc main_~_ha_hashv~0#1; 8571#L821-268 goto; 8331#L814-3 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; 8332#L814-4 [2023-11-26 11:53:00,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:00,190 INFO L85 PathProgramCache]: Analyzing trace with hash 2115, now seen corresponding path program 9 times [2023-11-26 11:53:00,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:00,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508681974] [2023-11-26 11:53:00,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:00,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:00,204 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:53:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:00,220 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:53:00,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:00,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1276161914, now seen corresponding path program 1 times [2023-11-26 11:53:00,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:00,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770839133] [2023-11-26 11:53:00,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:00,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:00,273 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:53:00,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1799374192] [2023-11-26 11:53:00,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:00,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:53:00,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:00,277 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:53:00,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d2e53f-55a8-48cd-8738-1ec70459911c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-26 11:53:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:24,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-26 11:53:24,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:53:25,088 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 11:53:25,089 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 [2023-11-26 11:53:37,123 WARN L293 SmtUtils]: Spent 10.92s on a formula simplification. DAG size of input: 23 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)