./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:21:49,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:21:49,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:21:49,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:21:49,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:21:49,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:21:49,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:21:49,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:21:49,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:21:49,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:21:49,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:21:49,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:21:49,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:21:49,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:21:49,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:21:49,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:21:49,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:21:49,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:21:49,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:21:49,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:21:49,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:21:49,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:21:49,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:21:49,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:21:49,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:21:49,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:21:49,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:21:49,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:21:49,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:21:49,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:21:49,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:21:49,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:21:49,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:21:49,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:21:49,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:21:49,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:21:49,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:21:49,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:21:49,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:21:49,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:21:49,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:21:49,130 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 17:21:49,161 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:21:49,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:21:49,162 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:21:49,162 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:21:49,164 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:21:49,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:21:49,164 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:21:49,164 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 17:21:49,165 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 17:21:49,165 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 17:21:49,165 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 17:21:49,165 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 17:21:49,166 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 17:21:49,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:21:49,166 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:21:49,166 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:21:49,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:21:49,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:21:49,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:21:49,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 17:21:49,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 17:21:49,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 17:21:49,168 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:21:49,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:21:49,169 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 17:21:49,169 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:21:49,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 17:21:49,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:21:49,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:21:49,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:21:49,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:21:49,171 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 17:21:49,172 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 [2022-11-25 17:21:49,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:21:49,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:21:49,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:21:49,590 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:21:49,591 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:21:49,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2022-11-25 17:21:52,811 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:21:53,144 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:21:53,153 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2022-11-25 17:21:53,175 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/data/49d83ef46/107eb90faaf84b4882c4708503105e41/FLAGe4eeffe7c [2022-11-25 17:21:53,191 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/data/49d83ef46/107eb90faaf84b4882c4708503105e41 [2022-11-25 17:21:53,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:21:53,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:21:53,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:21:53,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:21:53,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:21:53,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:21:53" (1/1) ... [2022-11-25 17:21:53,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76fbd633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:53, skipping insertion in model container [2022-11-25 17:21:53,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:21:53" (1/1) ... [2022-11-25 17:21:53,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:21:53,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:21:53,802 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[33021,33034] [2022-11-25 17:21:53,900 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 17:21:53,912 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[44590,44603] [2022-11-25 17:21:53,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:21:53,934 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:21:53,967 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[33021,33034] [2022-11-25 17:21:54,030 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 17:21:54,039 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[44590,44603] [2022-11-25 17:21:54,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:21:54,088 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:21:54,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:54 WrapperNode [2022-11-25 17:21:54,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:21:54,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:21:54,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:21:54,091 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:21:54,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:54" (1/1) ... [2022-11-25 17:21:54,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:54" (1/1) ... [2022-11-25 17:21:54,189 INFO L138 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1037 [2022-11-25 17:21:54,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:21:54,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:21:54,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:21:54,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:21:54,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:54" (1/1) ... [2022-11-25 17:21:54,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:54" (1/1) ... [2022-11-25 17:21:54,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:54" (1/1) ... [2022-11-25 17:21:54,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:54" (1/1) ... [2022-11-25 17:21:54,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:54" (1/1) ... [2022-11-25 17:21:54,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:54" (1/1) ... [2022-11-25 17:21:54,328 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:54" (1/1) ... [2022-11-25 17:21:54,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:54" (1/1) ... [2022-11-25 17:21:54,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:21:54,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:21:54,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:21:54,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:21:54,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:54" (1/1) ... [2022-11-25 17:21:54,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:21:54,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:21:54,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:21:54,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 17:21:54,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:21:54,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:21:54,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 17:21:54,492 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 17:21:54,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:21:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:21:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 17:21:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:21:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 17:21:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:21:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:21:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:21:54,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:21:54,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:21:54,741 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:21:54,743 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:21:54,748 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 17:21:56,779 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:21:56,792 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:21:56,793 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-25 17:21:56,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:21:56 BoogieIcfgContainer [2022-11-25 17:21:56,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:21:56,797 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 17:21:56,798 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 17:21:56,802 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 17:21:56,802 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:21:56,803 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 05:21:53" (1/3) ... [2022-11-25 17:21:56,804 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47955a48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:21:56, skipping insertion in model container [2022-11-25 17:21:56,804 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:21:56,804 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:54" (2/3) ... [2022-11-25 17:21:56,806 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47955a48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:21:56, skipping insertion in model container [2022-11-25 17:21:56,807 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:21:56,807 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:21:56" (3/3) ... [2022-11-25 17:21:56,810 INFO L332 chiAutomizerObserver]: Analyzing ICFG uthash_FNV_test3-1.i [2022-11-25 17:21:56,883 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 17:21:56,883 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 17:21:56,883 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 17:21:56,884 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 17:21:56,884 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 17:21:56,902 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 17:21:56,902 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 17:21:56,903 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 17:21:56,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 198 states, 193 states have (on average 1.6839378238341969) internal successors, (325), 193 states have internal predecessors, (325), 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) [2022-11-25 17:21:56,947 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 186 [2022-11-25 17:21:56,947 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:21:56,947 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:21:56,955 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 17:21:56,955 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-25 17:21:56,955 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 17:21:56,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 198 states, 193 states have (on average 1.6839378238341969) internal successors, (325), 193 states have internal predecessors, (325), 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) [2022-11-25 17:21:56,972 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 186 [2022-11-25 17:21:56,977 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:21:56,977 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:21:56,978 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 17:21:56,978 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-25 17:21:56,987 INFO L748 eck$LassoCheckResult]: Stem: 192#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 138#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~switch24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#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~malloc36#1.base, main_#t~malloc36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~memset~res39#1.base, main_#t~memset~res39#1.offset, main_#t~mem40#1.base, main_#t~mem40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~mem43#1.base, main_#t~mem43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~malloc45#1.base, main_#t~malloc45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~mem47#1.base, main_#t~mem47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1, 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, main_#t~post63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1, main_#t~post69#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem74#1, main_#t~mem73#1, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1, main_#t~short77#1, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~malloc80#1.base, main_#t~malloc80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~memset~res85#1.base, main_#t~memset~res85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem90#1, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem94#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem105#1, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1, main_#t~pre108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1, main_#t~post113#1, main_#t~mem117#1, main_#t~mem115#1, main_#t~mem114#1.base, main_#t~mem114#1.offset, main_#t~mem116#1, main_#t~mem118#1, main_#t~post119#1, 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~post96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1.base, main_#t~mem125#1.offset, main_#t~mem126#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~post129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem136#1, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1, main_#t~ite139#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1, main_#t~mem142#1.base, main_#t~mem142#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~mem146#1, main_#t~mem145#1, main_#t~mem147#1, main_#t~mem148#1, main_#t~mem150#1, main_#t~mem149#1, main_#t~mem151#1, main_#t~mem152#1, main_#t~mem154#1, main_#t~mem153#1, main_#t~mem155#1, main_#t~mem156#1, main_#t~switch157#1, main_#t~mem158#1, main_#t~mem159#1, main_#t~mem160#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem163#1, main_#t~mem164#1, main_#t~mem165#1, main_#t~mem166#1, main_#t~mem167#1, main_#t~mem168#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~mem169#1.base, main_#t~mem169#1.offset, main_#t~mem170#1, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1, main_#t~mem180#1, main_#t~short181#1, main_#t~mem182#1.base, main_#t~mem182#1.offset, main_#t~ret183#1, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem188#1.base, main_#t~mem188#1.offset, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~short190#1, main_#t~mem191#1.base, main_#t~mem191#1.offset, main_#t~mem192#1.base, main_#t~mem192#1.offset, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1.base, main_#t~mem197#1.offset, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1.base, main_#t~mem207#1.offset, main_#t~mem208#1.base, main_#t~mem208#1.offset, main_#t~mem209#1, main_#t~mem210#1.base, main_#t~mem210#1.offset, main_#t~mem213#1, main_#t~mem211#1.base, main_#t~mem211#1.offset, main_#t~mem212#1, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1, main_#t~post217#1, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1.base, main_#t~mem219#1.offset, main_#t~mem220#1.base, main_#t~mem220#1.offset, main_#t~mem221#1.base, main_#t~mem221#1.offset, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1, main_#t~post228#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem143#1, main_#t~mem144#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem229#1.base, main_#t~mem229#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;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 162#L735-4true [2022-11-25 17:21:56,988 INFO L750 eck$LassoCheckResult]: Loop: 162#L735-4true call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 34#L735-1true 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; 12#L737true assume main_~user~0#1.base == 0 && main_~user~0#1.offset == 0;assume false; 66#L737-2true call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(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(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(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; 140#L742-121true assume !true; 29#L735-3true call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(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; 162#L735-4true [2022-11-25 17:21:56,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:21:56,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2022-11-25 17:21:57,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:21:57,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730875260] [2022-11-25 17:21:57,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:57,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:21:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:21:57,117 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:21:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:21:57,196 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:21:57,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:21:57,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1336134348, now seen corresponding path program 1 times [2022-11-25 17:21:57,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:21:57,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529660695] [2022-11-25 17:21:57,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:57,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:21:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:57,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:21:57,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529660695] [2022-11-25 17:21:57,278 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 17:21:57,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298813203] [2022-11-25 17:21:57,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:57,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:21:57,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:21:57,287 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:21:57,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 17:21:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:57,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 17:21:57,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:21:57,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:21:57,458 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:21:57,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298813203] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:21:57,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:21:57,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:21:57,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002926935] [2022-11-25 17:21:57,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:21:57,469 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-25 17:21:57,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:21:57,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 17:21:57,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 17:21:57,508 INFO L87 Difference]: Start difference. First operand has 198 states, 193 states have (on average 1.6839378238341969) internal successors, (325), 193 states have internal predecessors, (325), 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) [2022-11-25 17:21:57,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:21:57,530 INFO L93 Difference]: Finished difference Result 198 states and 258 transitions. [2022-11-25 17:21:57,532 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 198 states and 258 transitions. [2022-11-25 17:21:57,536 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 186 [2022-11-25 17:21:57,543 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 198 states to 194 states and 254 transitions. [2022-11-25 17:21:57,544 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 194 [2022-11-25 17:21:57,545 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 194 [2022-11-25 17:21:57,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 194 states and 254 transitions. [2022-11-25 17:21:57,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:21:57,548 INFO L218 hiAutomatonCegarLoop]: Abstraction has 194 states and 254 transitions. [2022-11-25 17:21:57,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states and 254 transitions. [2022-11-25 17:21:57,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2022-11-25 17:21:57,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 190 states have (on average 1.305263157894737) internal successors, (248), 189 states have internal predecessors, (248), 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) [2022-11-25 17:21:57,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 254 transitions. [2022-11-25 17:21:57,589 INFO L240 hiAutomatonCegarLoop]: Abstraction has 194 states and 254 transitions. [2022-11-25 17:21:57,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 17:21:57,594 INFO L428 stractBuchiCegarLoop]: Abstraction has 194 states and 254 transitions. [2022-11-25 17:21:57,595 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 17:21:57,595 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 194 states and 254 transitions. [2022-11-25 17:21:57,597 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 186 [2022-11-25 17:21:57,597 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:21:57,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:21:57,599 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 17:21:57,599 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] [2022-11-25 17:21:57,599 INFO L748 eck$LassoCheckResult]: Stem: 612#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 596#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~switch24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#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~malloc36#1.base, main_#t~malloc36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~memset~res39#1.base, main_#t~memset~res39#1.offset, main_#t~mem40#1.base, main_#t~mem40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~mem43#1.base, main_#t~mem43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~malloc45#1.base, main_#t~malloc45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~mem47#1.base, main_#t~mem47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1, 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, main_#t~post63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1, main_#t~post69#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem74#1, main_#t~mem73#1, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1, main_#t~short77#1, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~malloc80#1.base, main_#t~malloc80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~memset~res85#1.base, main_#t~memset~res85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem90#1, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem94#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem105#1, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1, main_#t~pre108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1, main_#t~post113#1, main_#t~mem117#1, main_#t~mem115#1, main_#t~mem114#1.base, main_#t~mem114#1.offset, main_#t~mem116#1, main_#t~mem118#1, main_#t~post119#1, 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~post96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1.base, main_#t~mem125#1.offset, main_#t~mem126#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~post129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem136#1, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1, main_#t~ite139#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1, main_#t~mem142#1.base, main_#t~mem142#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~mem146#1, main_#t~mem145#1, main_#t~mem147#1, main_#t~mem148#1, main_#t~mem150#1, main_#t~mem149#1, main_#t~mem151#1, main_#t~mem152#1, main_#t~mem154#1, main_#t~mem153#1, main_#t~mem155#1, main_#t~mem156#1, main_#t~switch157#1, main_#t~mem158#1, main_#t~mem159#1, main_#t~mem160#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem163#1, main_#t~mem164#1, main_#t~mem165#1, main_#t~mem166#1, main_#t~mem167#1, main_#t~mem168#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~mem169#1.base, main_#t~mem169#1.offset, main_#t~mem170#1, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1, main_#t~mem180#1, main_#t~short181#1, main_#t~mem182#1.base, main_#t~mem182#1.offset, main_#t~ret183#1, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem188#1.base, main_#t~mem188#1.offset, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~short190#1, main_#t~mem191#1.base, main_#t~mem191#1.offset, main_#t~mem192#1.base, main_#t~mem192#1.offset, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1.base, main_#t~mem197#1.offset, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1.base, main_#t~mem207#1.offset, main_#t~mem208#1.base, main_#t~mem208#1.offset, main_#t~mem209#1, main_#t~mem210#1.base, main_#t~mem210#1.offset, main_#t~mem213#1, main_#t~mem211#1.base, main_#t~mem211#1.offset, main_#t~mem212#1, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1, main_#t~post217#1, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1.base, main_#t~mem219#1.offset, main_#t~mem220#1.base, main_#t~mem220#1.offset, main_#t~mem221#1.base, main_#t~mem221#1.offset, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1, main_#t~post228#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem143#1, main_#t~mem144#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem229#1.base, main_#t~mem229#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;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 474#L735-4 [2022-11-25 17:21:57,601 INFO L750 eck$LassoCheckResult]: Loop: 474#L735-4 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 482#L735-1 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; 444#L737 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 445#L737-2 call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(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(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(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; 530#L742-121 havoc main_~_ha_hashv~0#1; 554#L742-49 goto; 465#L742-47 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 466#L742-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 503#L742-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch24#1 := 11 == main_~_hj_k~0#1; 607#L742-10 assume main_#t~switch24#1;call main_#t~mem25#1 := read~int(main_~_hj_key~0#1.base, 10 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 16777216 * (main_#t~mem25#1 % 256);havoc main_#t~mem25#1; 502#L742-12 main_#t~switch24#1 := main_#t~switch24#1 || 10 == main_~_hj_k~0#1; 476#L742-13 assume main_#t~switch24#1;call main_#t~mem26#1 := read~int(main_~_hj_key~0#1.base, 9 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 65536 * (main_#t~mem26#1 % 256);havoc main_#t~mem26#1; 477#L742-15 main_#t~switch24#1 := main_#t~switch24#1 || 9 == main_~_hj_k~0#1; 559#L742-16 assume main_#t~switch24#1;call main_#t~mem27#1 := read~int(main_~_hj_key~0#1.base, 8 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 256 * (main_#t~mem27#1 % 256);havoc main_#t~mem27#1; 446#L742-18 main_#t~switch24#1 := main_#t~switch24#1 || 8 == main_~_hj_k~0#1; 447#L742-19 assume main_#t~switch24#1;call main_#t~mem28#1 := read~int(main_~_hj_key~0#1.base, 7 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 16777216 * (main_#t~mem28#1 % 256);havoc main_#t~mem28#1; 526#L742-21 main_#t~switch24#1 := main_#t~switch24#1 || 7 == main_~_hj_k~0#1; 553#L742-22 assume !main_#t~switch24#1; 597#L742-24 main_#t~switch24#1 := main_#t~switch24#1 || 6 == main_~_hj_k~0#1; 598#L742-25 assume main_#t~switch24#1;call main_#t~mem30#1 := read~int(main_~_hj_key~0#1.base, 5 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 256 * (main_#t~mem30#1 % 256);havoc main_#t~mem30#1; 512#L742-27 main_#t~switch24#1 := main_#t~switch24#1 || 5 == main_~_hj_k~0#1; 513#L742-28 assume main_#t~switch24#1;call main_#t~mem31#1 := read~int(main_~_hj_key~0#1.base, 4 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + main_#t~mem31#1 % 256;havoc main_#t~mem31#1; 574#L742-30 main_#t~switch24#1 := main_#t~switch24#1 || 4 == main_~_hj_k~0#1; 575#L742-31 assume main_#t~switch24#1;call main_#t~mem32#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem32#1 % 256);havoc main_#t~mem32#1; 493#L742-33 main_#t~switch24#1 := main_#t~switch24#1 || 3 == main_~_hj_k~0#1; 494#L742-34 assume main_#t~switch24#1;call main_#t~mem33#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem33#1 % 256);havoc main_#t~mem33#1; 572#L742-36 main_#t~switch24#1 := main_#t~switch24#1 || 2 == main_~_hj_k~0#1; 564#L742-37 assume main_#t~switch24#1;call main_#t~mem34#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem34#1 % 256);havoc main_#t~mem34#1; 520#L742-39 main_#t~switch24#1 := main_#t~switch24#1 || 1 == main_~_hj_k~0#1; 521#L742-40 assume main_#t~switch24#1;call main_#t~mem35#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + main_#t~mem35#1 % 256;havoc main_#t~mem35#1; 568#L742-42 havoc main_#t~switch24#1; 605#L742-45 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 8192 else (if 0 == main_~_ha_hashv~0#1 / 8192 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 8192 then 0 else ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8192))));main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := (if 0 == main_~_hj_j~0#1 then 256 * main_~_hj_i~0#1 else (if 0 == 256 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 256 * main_~_hj_i~0#1 then 0 else ~bitwiseXor(main_~_hj_j~0#1, 256 * main_~_hj_i~0#1))));main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 8192 else (if 0 == main_~_hj_j~0#1 / 8192 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 8192 then 0 else ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 8192))));main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 4096 else (if 0 == main_~_ha_hashv~0#1 / 4096 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 4096 then 0 else ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 4096))));main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := (if 0 == main_~_hj_j~0#1 then 65536 * main_~_hj_i~0#1 else (if 0 == 65536 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 65536 * main_~_hj_i~0#1 then 0 else ~bitwiseXor(main_~_hj_j~0#1, 65536 * main_~_hj_i~0#1))));main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 32 else (if 0 == main_~_hj_j~0#1 / 32 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 32 then 0 else ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32))));main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 8 else (if 0 == main_~_ha_hashv~0#1 / 8 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 8 then 0 else ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8))));main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := (if 0 == main_~_hj_j~0#1 then 1024 * main_~_hj_i~0#1 else (if 0 == 1024 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 1024 * main_~_hj_i~0#1 then 0 else ~bitwiseXor(main_~_hj_j~0#1, 1024 * main_~_hj_i~0#1))));main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 32768 else (if 0 == main_~_hj_j~0#1 / 32768 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 32768 then 0 else ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32768)))); 552#L742-44 goto; 497#L742-46 goto; 498#L742-48 goto; 438#L742-119 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 439#L742-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem53#1.base, main_#t~mem53#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem53#1.base, main_#t~mem53#1.offset; 606#L742-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem54#1.base, main_#t~mem54#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem55#1.base, main_#t~mem55#1.offset := read~$Pointer$(main_#t~mem54#1.base, 16 + main_#t~mem54#1.offset, 4);call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1 := read~int(main_#t~mem56#1.base, 20 + main_#t~mem56#1.offset, 4);call write~$Pointer$(main_#t~mem55#1.base, main_#t~mem55#1.offset - main_#t~mem57#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;havoc main_#t~mem55#1.base, main_#t~mem55#1.offset;havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1;call main_#t~mem58#1.base, main_#t~mem58#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_#t~mem58#1.base, 16 + main_#t~mem58#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem59#1.base, 8 + main_#t~mem59#1.offset, 4);havoc main_#t~mem58#1.base, main_#t~mem58#1.offset;havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;call main_#t~mem60#1.base, main_#t~mem60#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem60#1.base, 16 + main_#t~mem60#1.offset, 4);havoc main_#t~mem60#1.base, main_#t~mem60#1.offset; 540#L742-66 goto; 541#L742-117 havoc main_~_ha_bkt~0#1;call main_#t~mem61#1.base, main_#t~mem61#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem62#1 := read~int(main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);main_#t~post63#1 := main_#t~mem62#1;call write~int(1 + main_#t~post63#1, main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);havoc main_#t~mem61#1.base, main_#t~mem61#1.offset;havoc main_#t~mem62#1;havoc main_#t~post63#1; 601#L742-71 call main_#t~mem64#1.base, main_#t~mem64#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem65#1 := read~int(main_#t~mem64#1.base, 4 + main_#t~mem64#1.offset, 4);main_~_ha_bkt~0#1 := (if 0 == main_~_ha_hashv~0#1 || 0 == main_#t~mem65#1 - 1 then 0 else (if main_~_ha_hashv~0#1 == main_#t~mem65#1 - 1 then main_~_ha_hashv~0#1 else ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem65#1 - 1)));havoc main_#t~mem64#1.base, main_#t~mem64#1.offset;havoc main_#t~mem65#1; 592#L742-70 goto; 593#L742-115 call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem67#1.base, main_#t~mem67#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~mem66#1.base, main_#t~mem66#1.offset;havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;call main_#t~mem68#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post69#1 := main_#t~mem68#1;call write~int(1 + main_#t~post69#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem68#1;havoc main_#t~post69#1;call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem70#1.base, main_#t~mem70#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 499#L742-73 assume main_#t~mem71#1.base != 0 || main_#t~mem71#1.offset != 0;havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem72#1.base, 12 + main_#t~mem72#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset; 434#L742-75 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem74#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem73#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short77#1 := main_#t~mem74#1 % 4294967296 >= 10 * (1 + main_#t~mem73#1) % 4294967296; 435#L742-76 assume main_#t~short77#1;call main_#t~mem75#1.base, main_#t~mem75#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem76#1 := read~int(main_#t~mem75#1.base, 36 + main_#t~mem75#1.offset, 4);main_#t~short77#1 := 0 == main_#t~mem76#1 % 4294967296; 484#L742-78 assume !main_#t~short77#1;havoc main_#t~mem74#1;havoc main_#t~mem73#1;havoc main_#t~mem75#1.base, main_#t~mem75#1.offset;havoc main_#t~mem76#1;havoc main_#t~short77#1; 485#L742-114 goto; 535#L742-116 goto; 558#L742-118 goto; 557#L742-120 goto; 473#L735-3 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(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; 474#L735-4 [2022-11-25 17:21:57,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:21:57,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2022-11-25 17:21:57,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:21:57,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356238718] [2022-11-25 17:21:57,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:57,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:21:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:21:57,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:21:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:21:57,641 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:21:57,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:21:57,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1777661299, now seen corresponding path program 1 times [2022-11-25 17:21:57,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:21:57,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397078090] [2022-11-25 17:21:57,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:57,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:21:57,821 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 17:21:57,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [981381708] [2022-11-25 17:21:57,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:57,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:21:57,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:21:57,831 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:21:57,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 17:21:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:58,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 1850 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:21:58,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:21:58,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:21:58,686 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:21:58,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:21:58,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397078090] [2022-11-25 17:21:58,687 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 17:21:58,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981381708] [2022-11-25 17:21:58,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981381708] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:21:58,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:21:58,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:21:58,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599832568] [2022-11-25 17:21:58,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:21:58,688 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-25 17:21:58,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:21:58,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:21:58,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:21:58,690 INFO L87 Difference]: Start difference. First operand 194 states and 254 transitions. cyclomatic complexity: 64 Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2022-11-25 17:21:58,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:21:58,804 INFO L93 Difference]: Finished difference Result 215 states and 275 transitions. [2022-11-25 17:21:58,805 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 215 states and 275 transitions. [2022-11-25 17:21:58,807 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 207 [2022-11-25 17:21:58,809 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 215 states to 215 states and 275 transitions. [2022-11-25 17:21:58,809 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 215 [2022-11-25 17:21:58,810 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 215 [2022-11-25 17:21:58,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 215 states and 275 transitions. [2022-11-25 17:21:58,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:21:58,812 INFO L218 hiAutomatonCegarLoop]: Abstraction has 215 states and 275 transitions. [2022-11-25 17:21:58,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states and 275 transitions. [2022-11-25 17:21:58,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 214. [2022-11-25 17:21:58,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 210 states have (on average 1.276190476190476) internal successors, (268), 209 states have internal predecessors, (268), 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) [2022-11-25 17:21:58,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 274 transitions. [2022-11-25 17:21:58,822 INFO L240 hiAutomatonCegarLoop]: Abstraction has 214 states and 274 transitions. [2022-11-25 17:21:58,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:21:58,823 INFO L428 stractBuchiCegarLoop]: Abstraction has 214 states and 274 transitions. [2022-11-25 17:21:58,824 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-25 17:21:58,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 214 states and 274 transitions. [2022-11-25 17:21:58,825 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 206 [2022-11-25 17:21:58,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:21:58,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:21:58,826 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 17:21:58,826 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] [2022-11-25 17:21:58,827 INFO L748 eck$LassoCheckResult]: Stem: 1187#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 1167#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~switch24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#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~malloc36#1.base, main_#t~malloc36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~memset~res39#1.base, main_#t~memset~res39#1.offset, main_#t~mem40#1.base, main_#t~mem40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~mem43#1.base, main_#t~mem43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~malloc45#1.base, main_#t~malloc45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~mem47#1.base, main_#t~mem47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1, 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, main_#t~post63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1, main_#t~post69#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem74#1, main_#t~mem73#1, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1, main_#t~short77#1, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~malloc80#1.base, main_#t~malloc80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~memset~res85#1.base, main_#t~memset~res85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem90#1, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem94#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem105#1, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1, main_#t~pre108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1, main_#t~post113#1, main_#t~mem117#1, main_#t~mem115#1, main_#t~mem114#1.base, main_#t~mem114#1.offset, main_#t~mem116#1, main_#t~mem118#1, main_#t~post119#1, 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~post96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1.base, main_#t~mem125#1.offset, main_#t~mem126#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~post129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem136#1, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1, main_#t~ite139#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1, main_#t~mem142#1.base, main_#t~mem142#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~mem146#1, main_#t~mem145#1, main_#t~mem147#1, main_#t~mem148#1, main_#t~mem150#1, main_#t~mem149#1, main_#t~mem151#1, main_#t~mem152#1, main_#t~mem154#1, main_#t~mem153#1, main_#t~mem155#1, main_#t~mem156#1, main_#t~switch157#1, main_#t~mem158#1, main_#t~mem159#1, main_#t~mem160#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem163#1, main_#t~mem164#1, main_#t~mem165#1, main_#t~mem166#1, main_#t~mem167#1, main_#t~mem168#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~mem169#1.base, main_#t~mem169#1.offset, main_#t~mem170#1, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1, main_#t~mem180#1, main_#t~short181#1, main_#t~mem182#1.base, main_#t~mem182#1.offset, main_#t~ret183#1, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem188#1.base, main_#t~mem188#1.offset, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~short190#1, main_#t~mem191#1.base, main_#t~mem191#1.offset, main_#t~mem192#1.base, main_#t~mem192#1.offset, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1.base, main_#t~mem197#1.offset, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1.base, main_#t~mem207#1.offset, main_#t~mem208#1.base, main_#t~mem208#1.offset, main_#t~mem209#1, main_#t~mem210#1.base, main_#t~mem210#1.offset, main_#t~mem213#1, main_#t~mem211#1.base, main_#t~mem211#1.offset, main_#t~mem212#1, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1, main_#t~post217#1, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1.base, main_#t~mem219#1.offset, main_#t~mem220#1.base, main_#t~mem220#1.offset, main_#t~mem221#1.base, main_#t~mem221#1.offset, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1, main_#t~post228#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem143#1, main_#t~mem144#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem229#1.base, main_#t~mem229#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;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 1042#L735-4 [2022-11-25 17:21:58,827 INFO L750 eck$LassoCheckResult]: Loop: 1042#L735-4 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 1050#L735-1 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; 1012#L737 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 1013#L737-2 call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(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(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(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; 1098#L742-121 havoc main_~_ha_hashv~0#1; 1122#L742-49 goto; 1033#L742-47 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 1034#L742-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 1071#L742-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch24#1 := 11 == main_~_hj_k~0#1; 1181#L742-10 assume main_#t~switch24#1;call main_#t~mem25#1 := read~int(main_~_hj_key~0#1.base, 10 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 16777216 * (main_#t~mem25#1 % 256);havoc main_#t~mem25#1; 1070#L742-12 main_#t~switch24#1 := main_#t~switch24#1 || 10 == main_~_hj_k~0#1; 1044#L742-13 assume main_#t~switch24#1;call main_#t~mem26#1 := read~int(main_~_hj_key~0#1.base, 9 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 65536 * (main_#t~mem26#1 % 256);havoc main_#t~mem26#1; 1045#L742-15 main_#t~switch24#1 := main_#t~switch24#1 || 9 == main_~_hj_k~0#1; 1127#L742-16 assume main_#t~switch24#1;call main_#t~mem27#1 := read~int(main_~_hj_key~0#1.base, 8 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 256 * (main_#t~mem27#1 % 256);havoc main_#t~mem27#1; 1014#L742-18 main_#t~switch24#1 := main_#t~switch24#1 || 8 == main_~_hj_k~0#1; 1015#L742-19 assume main_#t~switch24#1;call main_#t~mem28#1 := read~int(main_~_hj_key~0#1.base, 7 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 16777216 * (main_#t~mem28#1 % 256);havoc main_#t~mem28#1; 1094#L742-21 main_#t~switch24#1 := main_#t~switch24#1 || 7 == main_~_hj_k~0#1; 1121#L742-22 assume main_#t~switch24#1;call main_#t~mem29#1 := read~int(main_~_hj_key~0#1.base, 6 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 65536 * (main_#t~mem29#1 % 256);havoc main_#t~mem29#1; 1168#L742-24 main_#t~switch24#1 := main_#t~switch24#1 || 6 == main_~_hj_k~0#1; 1169#L742-25 assume main_#t~switch24#1;call main_#t~mem30#1 := read~int(main_~_hj_key~0#1.base, 5 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 256 * (main_#t~mem30#1 % 256);havoc main_#t~mem30#1; 1176#L742-27 main_#t~switch24#1 := main_#t~switch24#1 || 5 == main_~_hj_k~0#1; 1150#L742-28 assume main_#t~switch24#1;call main_#t~mem31#1 := read~int(main_~_hj_key~0#1.base, 4 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + main_#t~mem31#1 % 256;havoc main_#t~mem31#1; 1151#L742-30 main_#t~switch24#1 := main_#t~switch24#1 || 4 == main_~_hj_k~0#1; 1174#L742-31 assume main_#t~switch24#1;call main_#t~mem32#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem32#1 % 256);havoc main_#t~mem32#1; 1175#L742-33 main_#t~switch24#1 := main_#t~switch24#1 || 3 == main_~_hj_k~0#1; 1140#L742-34 assume main_#t~switch24#1;call main_#t~mem33#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem33#1 % 256);havoc main_#t~mem33#1; 1141#L742-36 main_#t~switch24#1 := main_#t~switch24#1 || 2 == main_~_hj_k~0#1; 1132#L742-37 assume main_#t~switch24#1;call main_#t~mem34#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem34#1 % 256);havoc main_#t~mem34#1; 1088#L742-39 main_#t~switch24#1 := main_#t~switch24#1 || 1 == main_~_hj_k~0#1; 1089#L742-40 assume main_#t~switch24#1;call main_#t~mem35#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + main_#t~mem35#1 % 256;havoc main_#t~mem35#1; 1136#L742-42 havoc main_#t~switch24#1; 1179#L742-45 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 8192 else (if 0 == main_~_ha_hashv~0#1 / 8192 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 8192 then 0 else ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8192))));main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := (if 0 == main_~_hj_j~0#1 then 256 * main_~_hj_i~0#1 else (if 0 == 256 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 256 * main_~_hj_i~0#1 then 0 else ~bitwiseXor(main_~_hj_j~0#1, 256 * main_~_hj_i~0#1))));main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 8192 else (if 0 == main_~_hj_j~0#1 / 8192 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 8192 then 0 else ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 8192))));main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 4096 else (if 0 == main_~_ha_hashv~0#1 / 4096 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 4096 then 0 else ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 4096))));main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := (if 0 == main_~_hj_j~0#1 then 65536 * main_~_hj_i~0#1 else (if 0 == 65536 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 65536 * main_~_hj_i~0#1 then 0 else ~bitwiseXor(main_~_hj_j~0#1, 65536 * main_~_hj_i~0#1))));main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 32 else (if 0 == main_~_hj_j~0#1 / 32 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 32 then 0 else ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32))));main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 8 else (if 0 == main_~_ha_hashv~0#1 / 8 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 8 then 0 else ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8))));main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := (if 0 == main_~_hj_j~0#1 then 1024 * main_~_hj_i~0#1 else (if 0 == 1024 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 1024 * main_~_hj_i~0#1 then 0 else ~bitwiseXor(main_~_hj_j~0#1, 1024 * main_~_hj_i~0#1))));main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 32768 else (if 0 == main_~_hj_j~0#1 / 32768 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 32768 then 0 else ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32768)))); 1120#L742-44 goto; 1065#L742-46 goto; 1066#L742-48 goto; 1006#L742-119 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 1007#L742-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem53#1.base, main_#t~mem53#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem53#1.base, main_#t~mem53#1.offset; 1180#L742-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem54#1.base, main_#t~mem54#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem55#1.base, main_#t~mem55#1.offset := read~$Pointer$(main_#t~mem54#1.base, 16 + main_#t~mem54#1.offset, 4);call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1 := read~int(main_#t~mem56#1.base, 20 + main_#t~mem56#1.offset, 4);call write~$Pointer$(main_#t~mem55#1.base, main_#t~mem55#1.offset - main_#t~mem57#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;havoc main_#t~mem55#1.base, main_#t~mem55#1.offset;havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1;call main_#t~mem58#1.base, main_#t~mem58#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_#t~mem58#1.base, 16 + main_#t~mem58#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem59#1.base, 8 + main_#t~mem59#1.offset, 4);havoc main_#t~mem58#1.base, main_#t~mem58#1.offset;havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;call main_#t~mem60#1.base, main_#t~mem60#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem60#1.base, 16 + main_#t~mem60#1.offset, 4);havoc main_#t~mem60#1.base, main_#t~mem60#1.offset; 1108#L742-66 goto; 1109#L742-117 havoc main_~_ha_bkt~0#1;call main_#t~mem61#1.base, main_#t~mem61#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem62#1 := read~int(main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);main_#t~post63#1 := main_#t~mem62#1;call write~int(1 + main_#t~post63#1, main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);havoc main_#t~mem61#1.base, main_#t~mem61#1.offset;havoc main_#t~mem62#1;havoc main_#t~post63#1; 1172#L742-71 call main_#t~mem64#1.base, main_#t~mem64#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem65#1 := read~int(main_#t~mem64#1.base, 4 + main_#t~mem64#1.offset, 4);main_~_ha_bkt~0#1 := (if 0 == main_~_ha_hashv~0#1 || 0 == main_#t~mem65#1 - 1 then 0 else (if main_~_ha_hashv~0#1 == main_#t~mem65#1 - 1 then main_~_ha_hashv~0#1 else ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem65#1 - 1)));havoc main_#t~mem64#1.base, main_#t~mem64#1.offset;havoc main_#t~mem65#1; 1163#L742-70 goto; 1164#L742-115 call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem67#1.base, main_#t~mem67#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset;havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;call main_#t~mem68#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post69#1 := main_#t~mem68#1;call write~int(1 + main_#t~post69#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem68#1;havoc main_#t~post69#1;call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem70#1.base, main_#t~mem70#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 1067#L742-73 assume main_#t~mem71#1.base != 0 || main_#t~mem71#1.offset != 0;havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem72#1.base, 12 + main_#t~mem72#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset; 1002#L742-75 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem74#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem73#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short77#1 := main_#t~mem74#1 % 4294967296 >= 10 * (1 + main_#t~mem73#1) % 4294967296; 1003#L742-76 assume main_#t~short77#1;call main_#t~mem75#1.base, main_#t~mem75#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem76#1 := read~int(main_#t~mem75#1.base, 36 + main_#t~mem75#1.offset, 4);main_#t~short77#1 := 0 == main_#t~mem76#1 % 4294967296; 1052#L742-78 assume !main_#t~short77#1;havoc main_#t~mem74#1;havoc main_#t~mem73#1;havoc main_#t~mem75#1.base, main_#t~mem75#1.offset;havoc main_#t~mem76#1;havoc main_#t~short77#1; 1053#L742-114 goto; 1103#L742-116 goto; 1126#L742-118 goto; 1125#L742-120 goto; 1041#L735-3 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(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; 1042#L735-4 [2022-11-25 17:21:58,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:21:58,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 3 times [2022-11-25 17:21:58,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:21:58,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580014906] [2022-11-25 17:21:58,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:58,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:21:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:21:58,849 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:21:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:21:58,874 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:21:58,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:21:58,875 INFO L85 PathProgramCache]: Analyzing trace with hash -933655797, now seen corresponding path program 1 times [2022-11-25 17:21:58,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:21:58,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944477661] [2022-11-25 17:21:58,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:58,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:21:59,047 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 17:21:59,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [963323902] [2022-11-25 17:21:59,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:59,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:21:59,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:21:59,054 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:21:59,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 17:22:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:00,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 1856 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:22:00,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:22:00,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:22:00,144 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:22:00,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:22:00,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944477661] [2022-11-25 17:22:00,145 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 17:22:00,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963323902] [2022-11-25 17:22:00,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963323902] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:22:00,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:22:00,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:22:00,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478529990] [2022-11-25 17:22:00,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:22:00,147 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-25 17:22:00,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:22:00,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:22:00,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:22:00,149 INFO L87 Difference]: Start difference. First operand 214 states and 274 transitions. cyclomatic complexity: 64 Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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) [2022-11-25 17:22:00,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:22:00,275 INFO L93 Difference]: Finished difference Result 309 states and 396 transitions. [2022-11-25 17:22:00,275 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 309 states and 396 transitions. [2022-11-25 17:22:00,278 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 292 [2022-11-25 17:22:00,280 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 309 states to 309 states and 396 transitions. [2022-11-25 17:22:00,281 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 309 [2022-11-25 17:22:00,281 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 309 [2022-11-25 17:22:00,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 309 states and 396 transitions. [2022-11-25 17:22:00,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:22:00,284 INFO L218 hiAutomatonCegarLoop]: Abstraction has 309 states and 396 transitions. [2022-11-25 17:22:00,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states and 396 transitions. [2022-11-25 17:22:00,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 200. [2022-11-25 17:22:00,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 196 states have (on average 1.260204081632653) internal successors, (247), 195 states have internal predecessors, (247), 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) [2022-11-25 17:22:00,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 253 transitions. [2022-11-25 17:22:00,294 INFO L240 hiAutomatonCegarLoop]: Abstraction has 200 states and 253 transitions. [2022-11-25 17:22:00,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:22:00,296 INFO L428 stractBuchiCegarLoop]: Abstraction has 200 states and 253 transitions. [2022-11-25 17:22:00,296 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-25 17:22:00,296 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 200 states and 253 transitions. [2022-11-25 17:22:00,297 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 192 [2022-11-25 17:22:00,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:22:00,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:22:00,299 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 17:22:00,299 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] [2022-11-25 17:22:00,299 INFO L748 eck$LassoCheckResult]: Stem: 1869#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 1852#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~switch24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#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~malloc36#1.base, main_#t~malloc36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~memset~res39#1.base, main_#t~memset~res39#1.offset, main_#t~mem40#1.base, main_#t~mem40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~mem43#1.base, main_#t~mem43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~malloc45#1.base, main_#t~malloc45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~mem47#1.base, main_#t~mem47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1, 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, main_#t~post63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1, main_#t~post69#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem74#1, main_#t~mem73#1, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1, main_#t~short77#1, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~malloc80#1.base, main_#t~malloc80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~memset~res85#1.base, main_#t~memset~res85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem90#1, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem94#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem105#1, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1, main_#t~pre108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1, main_#t~post113#1, main_#t~mem117#1, main_#t~mem115#1, main_#t~mem114#1.base, main_#t~mem114#1.offset, main_#t~mem116#1, main_#t~mem118#1, main_#t~post119#1, 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~post96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1.base, main_#t~mem125#1.offset, main_#t~mem126#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~post129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem136#1, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1, main_#t~ite139#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1, main_#t~mem142#1.base, main_#t~mem142#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~mem146#1, main_#t~mem145#1, main_#t~mem147#1, main_#t~mem148#1, main_#t~mem150#1, main_#t~mem149#1, main_#t~mem151#1, main_#t~mem152#1, main_#t~mem154#1, main_#t~mem153#1, main_#t~mem155#1, main_#t~mem156#1, main_#t~switch157#1, main_#t~mem158#1, main_#t~mem159#1, main_#t~mem160#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem163#1, main_#t~mem164#1, main_#t~mem165#1, main_#t~mem166#1, main_#t~mem167#1, main_#t~mem168#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~mem169#1.base, main_#t~mem169#1.offset, main_#t~mem170#1, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1, main_#t~mem180#1, main_#t~short181#1, main_#t~mem182#1.base, main_#t~mem182#1.offset, main_#t~ret183#1, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem188#1.base, main_#t~mem188#1.offset, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~short190#1, main_#t~mem191#1.base, main_#t~mem191#1.offset, main_#t~mem192#1.base, main_#t~mem192#1.offset, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1.base, main_#t~mem197#1.offset, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1.base, main_#t~mem207#1.offset, main_#t~mem208#1.base, main_#t~mem208#1.offset, main_#t~mem209#1, main_#t~mem210#1.base, main_#t~mem210#1.offset, main_#t~mem213#1, main_#t~mem211#1.base, main_#t~mem211#1.offset, main_#t~mem212#1, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1, main_#t~post217#1, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1.base, main_#t~mem219#1.offset, main_#t~mem220#1.base, main_#t~mem220#1.offset, main_#t~mem221#1.base, main_#t~mem221#1.offset, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1, main_#t~post228#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem143#1, main_#t~mem144#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem229#1.base, main_#t~mem229#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;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 1727#L735-4 [2022-11-25 17:22:00,300 INFO L750 eck$LassoCheckResult]: Loop: 1727#L735-4 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 1735#L735-1 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; 1697#L737 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 1698#L737-2 call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(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(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(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; 1783#L742-121 havoc main_~_ha_hashv~0#1; 1807#L742-49 goto; 1718#L742-47 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 1719#L742-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 1756#L742-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch24#1 := 11 == main_~_hj_k~0#1; 1864#L742-10 assume !main_#t~switch24#1; 1755#L742-12 main_#t~switch24#1 := main_#t~switch24#1 || 10 == main_~_hj_k~0#1; 1731#L742-13 assume !main_#t~switch24#1; 1732#L742-15 main_#t~switch24#1 := main_#t~switch24#1 || 9 == main_~_hj_k~0#1; 1815#L742-16 assume !main_#t~switch24#1; 1699#L742-18 main_#t~switch24#1 := main_#t~switch24#1 || 8 == main_~_hj_k~0#1; 1700#L742-19 assume !main_#t~switch24#1; 1782#L742-21 main_#t~switch24#1 := main_#t~switch24#1 || 7 == main_~_hj_k~0#1; 1806#L742-22 assume !main_#t~switch24#1; 1853#L742-24 main_#t~switch24#1 := main_#t~switch24#1 || 6 == main_~_hj_k~0#1; 1854#L742-25 assume !main_#t~switch24#1; 1767#L742-27 main_#t~switch24#1 := main_#t~switch24#1 || 5 == main_~_hj_k~0#1; 1768#L742-28 assume !main_#t~switch24#1; 1830#L742-30 main_#t~switch24#1 := main_#t~switch24#1 || 4 == main_~_hj_k~0#1; 1831#L742-31 assume !main_#t~switch24#1; 1746#L742-33 main_#t~switch24#1 := main_#t~switch24#1 || 3 == main_~_hj_k~0#1; 1747#L742-34 assume main_#t~switch24#1;call main_#t~mem33#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem33#1 % 256);havoc main_#t~mem33#1; 1828#L742-36 main_#t~switch24#1 := main_#t~switch24#1 || 2 == main_~_hj_k~0#1; 1819#L742-37 assume main_#t~switch24#1;call main_#t~mem34#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem34#1 % 256);havoc main_#t~mem34#1; 1820#L742-39 main_#t~switch24#1 := main_#t~switch24#1 || 1 == main_~_hj_k~0#1; 1822#L742-40 assume main_#t~switch24#1;call main_#t~mem35#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + main_#t~mem35#1 % 256;havoc main_#t~mem35#1; 1823#L742-42 havoc main_#t~switch24#1; 1862#L742-45 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 8192 else (if 0 == main_~_ha_hashv~0#1 / 8192 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 8192 then 0 else ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8192))));main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := (if 0 == main_~_hj_j~0#1 then 256 * main_~_hj_i~0#1 else (if 0 == 256 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 256 * main_~_hj_i~0#1 then 0 else ~bitwiseXor(main_~_hj_j~0#1, 256 * main_~_hj_i~0#1))));main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 8192 else (if 0 == main_~_hj_j~0#1 / 8192 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 8192 then 0 else ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 8192))));main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 4096 else (if 0 == main_~_ha_hashv~0#1 / 4096 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 4096 then 0 else ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 4096))));main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := (if 0 == main_~_hj_j~0#1 then 65536 * main_~_hj_i~0#1 else (if 0 == 65536 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 65536 * main_~_hj_i~0#1 then 0 else ~bitwiseXor(main_~_hj_j~0#1, 65536 * main_~_hj_i~0#1))));main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 32 else (if 0 == main_~_hj_j~0#1 / 32 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 32 then 0 else ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32))));main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 8 else (if 0 == main_~_ha_hashv~0#1 / 8 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 8 then 0 else ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8))));main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := (if 0 == main_~_hj_j~0#1 then 1024 * main_~_hj_i~0#1 else (if 0 == 1024 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 1024 * main_~_hj_i~0#1 then 0 else ~bitwiseXor(main_~_hj_j~0#1, 1024 * main_~_hj_i~0#1))));main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 32768 else (if 0 == main_~_hj_j~0#1 / 32768 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 32768 then 0 else ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32768)))); 1805#L742-44 goto; 1750#L742-46 goto; 1751#L742-48 goto; 1691#L742-119 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 1692#L742-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem53#1.base, main_#t~mem53#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem53#1.base, main_#t~mem53#1.offset; 1863#L742-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem54#1.base, main_#t~mem54#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem55#1.base, main_#t~mem55#1.offset := read~$Pointer$(main_#t~mem54#1.base, 16 + main_#t~mem54#1.offset, 4);call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1 := read~int(main_#t~mem56#1.base, 20 + main_#t~mem56#1.offset, 4);call write~$Pointer$(main_#t~mem55#1.base, main_#t~mem55#1.offset - main_#t~mem57#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;havoc main_#t~mem55#1.base, main_#t~mem55#1.offset;havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1;call main_#t~mem58#1.base, main_#t~mem58#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_#t~mem58#1.base, 16 + main_#t~mem58#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem59#1.base, 8 + main_#t~mem59#1.offset, 4);havoc main_#t~mem58#1.base, main_#t~mem58#1.offset;havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;call main_#t~mem60#1.base, main_#t~mem60#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem60#1.base, 16 + main_#t~mem60#1.offset, 4);havoc main_#t~mem60#1.base, main_#t~mem60#1.offset; 1793#L742-66 goto; 1794#L742-117 havoc main_~_ha_bkt~0#1;call main_#t~mem61#1.base, main_#t~mem61#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem62#1 := read~int(main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);main_#t~post63#1 := main_#t~mem62#1;call write~int(1 + main_#t~post63#1, main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);havoc main_#t~mem61#1.base, main_#t~mem61#1.offset;havoc main_#t~mem62#1;havoc main_#t~post63#1; 1857#L742-71 call main_#t~mem64#1.base, main_#t~mem64#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem65#1 := read~int(main_#t~mem64#1.base, 4 + main_#t~mem64#1.offset, 4);main_~_ha_bkt~0#1 := (if 0 == main_~_ha_hashv~0#1 || 0 == main_#t~mem65#1 - 1 then 0 else (if main_~_ha_hashv~0#1 == main_#t~mem65#1 - 1 then main_~_ha_hashv~0#1 else ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem65#1 - 1)));havoc main_#t~mem64#1.base, main_#t~mem64#1.offset;havoc main_#t~mem65#1; 1848#L742-70 goto; 1849#L742-115 call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem67#1.base, main_#t~mem67#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~mem66#1.base, main_#t~mem66#1.offset;havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;call main_#t~mem68#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post69#1 := main_#t~mem68#1;call write~int(1 + main_#t~post69#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem68#1;havoc main_#t~post69#1;call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem70#1.base, main_#t~mem70#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 1754#L742-73 assume main_#t~mem71#1.base != 0 || main_#t~mem71#1.offset != 0;havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem72#1.base, 12 + main_#t~mem72#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset; 1687#L742-75 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem74#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem73#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short77#1 := main_#t~mem74#1 % 4294967296 >= 10 * (1 + main_#t~mem73#1) % 4294967296; 1688#L742-76 assume main_#t~short77#1;call main_#t~mem75#1.base, main_#t~mem75#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem76#1 := read~int(main_#t~mem75#1.base, 36 + main_#t~mem75#1.offset, 4);main_#t~short77#1 := 0 == main_#t~mem76#1 % 4294967296; 1737#L742-78 assume !main_#t~short77#1;havoc main_#t~mem74#1;havoc main_#t~mem73#1;havoc main_#t~mem75#1.base, main_#t~mem75#1.offset;havoc main_#t~mem76#1;havoc main_#t~short77#1; 1738#L742-114 goto; 1788#L742-116 goto; 1811#L742-118 goto; 1810#L742-120 goto; 1726#L735-3 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(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; 1727#L735-4 [2022-11-25 17:22:00,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:22:00,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 4 times [2022-11-25 17:22:00,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:22:00,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979583092] [2022-11-25 17:22:00,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:22:00,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:22:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:22:00,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:22:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:22:00,361 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:22:00,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:22:00,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1421826789, now seen corresponding path program 1 times [2022-11-25 17:22:00,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:22:00,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435798188] [2022-11-25 17:22:00,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:22:00,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:22:00,525 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 17:22:00,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [609848995] [2022-11-25 17:22:00,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:22:00,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:22:00,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:22:00,530 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:22:00,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 17:22:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:01,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 1808 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 17:22:01,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:22:01,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:22:01,711 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:22:01,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:22:01,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435798188] [2022-11-25 17:22:01,712 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 17:22:01,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609848995] [2022-11-25 17:22:01,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609848995] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:22:01,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:22:01,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:22:01,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110466608] [2022-11-25 17:22:01,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:22:01,714 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-25 17:22:01,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:22:01,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:22:01,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:22:01,715 INFO L87 Difference]: Start difference. First operand 200 states and 253 transitions. cyclomatic complexity: 57 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2022-11-25 17:22:01,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:22:01,862 INFO L93 Difference]: Finished difference Result 395 states and 498 transitions. [2022-11-25 17:22:01,863 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 395 states and 498 transitions. [2022-11-25 17:22:01,866 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 385 [2022-11-25 17:22:01,869 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 395 states to 395 states and 498 transitions. [2022-11-25 17:22:01,870 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 395 [2022-11-25 17:22:01,870 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 395 [2022-11-25 17:22:01,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 395 states and 498 transitions. [2022-11-25 17:22:01,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:22:01,872 INFO L218 hiAutomatonCegarLoop]: Abstraction has 395 states and 498 transitions. [2022-11-25 17:22:01,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states and 498 transitions. [2022-11-25 17:22:01,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 223. [2022-11-25 17:22:01,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 219 states have (on average 1.2420091324200913) internal successors, (272), 218 states have internal predecessors, (272), 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) [2022-11-25 17:22:01,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 278 transitions. [2022-11-25 17:22:01,882 INFO L240 hiAutomatonCegarLoop]: Abstraction has 223 states and 278 transitions. [2022-11-25 17:22:01,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:22:01,884 INFO L428 stractBuchiCegarLoop]: Abstraction has 223 states and 278 transitions. [2022-11-25 17:22:01,884 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-25 17:22:01,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 223 states and 278 transitions. [2022-11-25 17:22:01,885 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 215 [2022-11-25 17:22:01,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:22:01,886 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:22:01,887 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 17:22:01,887 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] [2022-11-25 17:22:01,887 INFO L748 eck$LassoCheckResult]: Stem: 2640#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 2613#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~switch24#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#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~malloc36#1.base, main_#t~malloc36#1.offset, main_#t~mem37#1.base, main_#t~mem37#1.offset, main_#t~mem38#1.base, main_#t~mem38#1.offset, main_#t~memset~res39#1.base, main_#t~memset~res39#1.offset, main_#t~mem40#1.base, main_#t~mem40#1.offset, main_#t~mem41#1.base, main_#t~mem41#1.offset, main_#t~mem42#1.base, main_#t~mem42#1.offset, main_#t~mem43#1.base, main_#t~mem43#1.offset, main_#t~mem44#1.base, main_#t~mem44#1.offset, main_#t~malloc45#1.base, main_#t~malloc45#1.offset, main_#t~mem46#1.base, main_#t~mem46#1.offset, main_#t~mem47#1.base, main_#t~mem47#1.offset, main_#t~mem48#1.base, main_#t~mem48#1.offset, main_#t~mem49#1.base, main_#t~mem49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1, 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, main_#t~post63#1, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1, main_#t~post69#1, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem74#1, main_#t~mem73#1, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1, main_#t~short77#1, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~malloc80#1.base, main_#t~malloc80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1, main_#t~memset~res85#1.base, main_#t~memset~res85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem90#1, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1, main_#t~mem91#1.base, main_#t~mem91#1.offset, main_#t~mem94#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem105#1, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1, main_#t~pre108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1, main_#t~post113#1, main_#t~mem117#1, main_#t~mem115#1, main_#t~mem114#1.base, main_#t~mem114#1.offset, main_#t~mem116#1, main_#t~mem118#1, main_#t~post119#1, 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~post96#1, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1.base, main_#t~mem124#1.offset, main_#t~mem125#1.base, main_#t~mem125#1.offset, main_#t~mem126#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~post129#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1.base, main_#t~mem132#1.offset, main_#t~mem133#1.base, main_#t~mem133#1.offset, main_#t~mem136#1, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1, main_#t~ite139#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1, main_#t~mem142#1.base, main_#t~mem142#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~mem146#1, main_#t~mem145#1, main_#t~mem147#1, main_#t~mem148#1, main_#t~mem150#1, main_#t~mem149#1, main_#t~mem151#1, main_#t~mem152#1, main_#t~mem154#1, main_#t~mem153#1, main_#t~mem155#1, main_#t~mem156#1, main_#t~switch157#1, main_#t~mem158#1, main_#t~mem159#1, main_#t~mem160#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem163#1, main_#t~mem164#1, main_#t~mem165#1, main_#t~mem166#1, main_#t~mem167#1, main_#t~mem168#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~mem169#1.base, main_#t~mem169#1.offset, main_#t~mem170#1, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1, main_#t~mem180#1, main_#t~short181#1, main_#t~mem182#1.base, main_#t~mem182#1.offset, main_#t~ret183#1, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem188#1.base, main_#t~mem188#1.offset, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~short190#1, main_#t~mem191#1.base, main_#t~mem191#1.offset, main_#t~mem192#1.base, main_#t~mem192#1.offset, main_#t~mem193#1.base, main_#t~mem193#1.offset, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1.base, main_#t~mem196#1.offset, main_#t~mem197#1.base, main_#t~mem197#1.offset, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1.base, main_#t~mem207#1.offset, main_#t~mem208#1.base, main_#t~mem208#1.offset, main_#t~mem209#1, main_#t~mem210#1.base, main_#t~mem210#1.offset, main_#t~mem213#1, main_#t~mem211#1.base, main_#t~mem211#1.offset, main_#t~mem212#1, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1, main_#t~post217#1, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1.base, main_#t~mem219#1.offset, main_#t~mem220#1.base, main_#t~mem220#1.offset, main_#t~mem221#1.base, main_#t~mem221#1.offset, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1, main_#t~post228#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem143#1, main_#t~mem144#1, main_#t~mem230#1, main_#t~mem231#1, main_#t~mem229#1.base, main_#t~mem229#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;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 2483#L735-4 [2022-11-25 17:22:01,888 INFO L750 eck$LassoCheckResult]: Loop: 2483#L735-4 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 2491#L735-1 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; 2453#L737 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 2454#L737-2 call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(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(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem11#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(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; 2542#L742-121 havoc main_~_ha_hashv~0#1; 2570#L742-49 goto; 2474#L742-47 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 2475#L742-8 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 2513#L742-9 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch24#1 := 11 == main_~_hj_k~0#1; 2630#L742-10 assume !main_#t~switch24#1; 2631#L742-12 main_#t~switch24#1 := main_#t~switch24#1 || 10 == main_~_hj_k~0#1; 2485#L742-13 assume !main_#t~switch24#1; 2486#L742-15 main_#t~switch24#1 := main_#t~switch24#1 || 9 == main_~_hj_k~0#1; 2620#L742-16 assume !main_#t~switch24#1; 2621#L742-18 main_#t~switch24#1 := main_#t~switch24#1 || 8 == main_~_hj_k~0#1; 2536#L742-19 assume !main_#t~switch24#1; 2537#L742-21 main_#t~switch24#1 := main_#t~switch24#1 || 7 == main_~_hj_k~0#1; 2636#L742-22 assume !main_#t~switch24#1; 2637#L742-24 main_#t~switch24#1 := main_#t~switch24#1 || 6 == main_~_hj_k~0#1; 2624#L742-25 assume !main_#t~switch24#1; 2625#L742-27 main_#t~switch24#1 := main_#t~switch24#1 || 5 == main_~_hj_k~0#1; 2596#L742-28 assume !main_#t~switch24#1; 2597#L742-30 main_#t~switch24#1 := main_#t~switch24#1 || 4 == main_~_hj_k~0#1; 2622#L742-31 assume main_#t~switch24#1;call main_#t~mem32#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem32#1 % 256);havoc main_#t~mem32#1; 2502#L742-33 main_#t~switch24#1 := main_#t~switch24#1 || 3 == main_~_hj_k~0#1; 2503#L742-34 assume main_#t~switch24#1;call main_#t~mem33#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem33#1 % 256);havoc main_#t~mem33#1; 2587#L742-36 main_#t~switch24#1 := main_#t~switch24#1 || 2 == main_~_hj_k~0#1; 2578#L742-37 assume main_#t~switch24#1;call main_#t~mem34#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem34#1 % 256);havoc main_#t~mem34#1; 2579#L742-39 main_#t~switch24#1 := main_#t~switch24#1 || 1 == main_~_hj_k~0#1; 2641#L742-40 assume main_#t~switch24#1;call main_#t~mem35#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + main_#t~mem35#1 % 256;havoc main_#t~mem35#1; 2583#L742-42 havoc main_#t~switch24#1; 2628#L742-45 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 8192 else (if 0 == main_~_ha_hashv~0#1 / 8192 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 8192 then 0 else ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8192))));main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := (if 0 == main_~_hj_j~0#1 then 256 * main_~_hj_i~0#1 else (if 0 == 256 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 256 * main_~_hj_i~0#1 then 0 else ~bitwiseXor(main_~_hj_j~0#1, 256 * main_~_hj_i~0#1))));main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 8192 else (if 0 == main_~_hj_j~0#1 / 8192 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 8192 then 0 else ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 8192))));main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 4096 else (if 0 == main_~_ha_hashv~0#1 / 4096 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 4096 then 0 else ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 4096))));main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := (if 0 == main_~_hj_j~0#1 then 65536 * main_~_hj_i~0#1 else (if 0 == 65536 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 65536 * main_~_hj_i~0#1 then 0 else ~bitwiseXor(main_~_hj_j~0#1, 65536 * main_~_hj_i~0#1))));main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 32 else (if 0 == main_~_hj_j~0#1 / 32 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 32 then 0 else ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32))));main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1;main_~_hj_i~0#1 := (if 0 == main_~_hj_i~0#1 then main_~_ha_hashv~0#1 / 8 else (if 0 == main_~_ha_hashv~0#1 / 8 then main_~_hj_i~0#1 else (if main_~_hj_i~0#1 == main_~_ha_hashv~0#1 / 8 then 0 else ~bitwiseXor(main_~_hj_i~0#1, main_~_ha_hashv~0#1 / 8))));main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1;main_~_hj_j~0#1 := (if 0 == main_~_hj_j~0#1 then 1024 * main_~_hj_i~0#1 else (if 0 == 1024 * main_~_hj_i~0#1 then main_~_hj_j~0#1 else (if main_~_hj_j~0#1 == 1024 * main_~_hj_i~0#1 then 0 else ~bitwiseXor(main_~_hj_j~0#1, 1024 * main_~_hj_i~0#1))));main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1;main_~_ha_hashv~0#1 := (if 0 == main_~_ha_hashv~0#1 then main_~_hj_j~0#1 / 32768 else (if 0 == main_~_hj_j~0#1 / 32768 then main_~_ha_hashv~0#1 else (if main_~_ha_hashv~0#1 == main_~_hj_j~0#1 / 32768 then 0 else ~bitwiseXor(main_~_ha_hashv~0#1, main_~_hj_j~0#1 / 32768)))); 2564#L742-44 goto; 2506#L742-46 goto; 2507#L742-48 goto; 2447#L742-119 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 2448#L742-51 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem53#1.base, main_#t~mem53#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem53#1.base, main_#t~mem53#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem53#1.base, main_#t~mem53#1.offset; 2629#L742-67 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem54#1.base, main_#t~mem54#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem55#1.base, main_#t~mem55#1.offset := read~$Pointer$(main_#t~mem54#1.base, 16 + main_#t~mem54#1.offset, 4);call main_#t~mem56#1.base, main_#t~mem56#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem57#1 := read~int(main_#t~mem56#1.base, 20 + main_#t~mem56#1.offset, 4);call write~$Pointer$(main_#t~mem55#1.base, main_#t~mem55#1.offset - main_#t~mem57#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem54#1.base, main_#t~mem54#1.offset;havoc main_#t~mem55#1.base, main_#t~mem55#1.offset;havoc main_#t~mem56#1.base, main_#t~mem56#1.offset;havoc main_#t~mem57#1;call main_#t~mem58#1.base, main_#t~mem58#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem59#1.base, main_#t~mem59#1.offset := read~$Pointer$(main_#t~mem58#1.base, 16 + main_#t~mem58#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem59#1.base, 8 + main_#t~mem59#1.offset, 4);havoc main_#t~mem58#1.base, main_#t~mem58#1.offset;havoc main_#t~mem59#1.base, main_#t~mem59#1.offset;call main_#t~mem60#1.base, main_#t~mem60#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem60#1.base, 16 + main_#t~mem60#1.offset, 4);havoc main_#t~mem60#1.base, main_#t~mem60#1.offset; 2550#L742-66 goto; 2551#L742-117 havoc main_~_ha_bkt~0#1;call main_#t~mem61#1.base, main_#t~mem61#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem62#1 := read~int(main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);main_#t~post63#1 := main_#t~mem62#1;call write~int(1 + main_#t~post63#1, main_#t~mem61#1.base, 12 + main_#t~mem61#1.offset, 4);havoc main_#t~mem61#1.base, main_#t~mem61#1.offset;havoc main_#t~mem62#1;havoc main_#t~post63#1; 2618#L742-71 call main_#t~mem64#1.base, main_#t~mem64#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem65#1 := read~int(main_#t~mem64#1.base, 4 + main_#t~mem64#1.offset, 4);main_~_ha_bkt~0#1 := (if 0 == main_~_ha_hashv~0#1 || 0 == main_#t~mem65#1 - 1 then 0 else (if main_~_ha_hashv~0#1 == main_#t~mem65#1 - 1 then main_~_ha_hashv~0#1 else ~bitwiseAnd(main_~_ha_hashv~0#1, main_#t~mem65#1 - 1)));havoc main_#t~mem64#1.base, main_#t~mem64#1.offset;havoc main_#t~mem65#1; 2609#L742-70 goto; 2610#L742-115 call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem67#1.base, main_#t~mem67#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset;havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;call main_#t~mem68#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post69#1 := main_#t~mem68#1;call write~int(1 + main_#t~post69#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem68#1;havoc main_#t~post69#1;call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem70#1.base, main_#t~mem70#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 2508#L742-73 assume main_#t~mem71#1.base != 0 || main_#t~mem71#1.offset != 0;havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem72#1.base, 12 + main_#t~mem72#1.offset, 4);havoc main_#t~mem72#1.base, main_#t~mem72#1.offset; 2443#L742-75 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem74#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem73#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short77#1 := main_#t~mem74#1 % 4294967296 >= 10 * (1 + main_#t~mem73#1) % 4294967296; 2444#L742-76 assume main_#t~short77#1;call main_#t~mem75#1.base, main_#t~mem75#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem76#1 := read~int(main_#t~mem75#1.base, 36 + main_#t~mem75#1.offset, 4);main_#t~short77#1 := 0 == main_#t~mem76#1 % 4294967296; 2493#L742-78 assume !main_#t~short77#1;havoc main_#t~mem74#1;havoc main_#t~mem73#1;havoc main_#t~mem75#1.base, main_#t~mem75#1.offset;havoc main_#t~mem76#1;havoc main_#t~short77#1; 2494#L742-114 goto; 2546#L742-116 goto; 2571#L742-118 goto; 2569#L742-120 goto; 2482#L735-3 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(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; 2483#L735-4 [2022-11-25 17:22:01,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:22:01,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 5 times [2022-11-25 17:22:01,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:22:01,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489301134] [2022-11-25 17:22:01,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:22:01,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:22:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:22:01,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:22:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:22:01,934 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:22:01,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:22:01,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1486937113, now seen corresponding path program 1 times [2022-11-25 17:22:01,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:22:01,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218927324] [2022-11-25 17:22:01,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:22:01,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:22:02,092 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 17:22:02,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1796766317] [2022-11-25 17:22:02,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:22:02,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:22:02,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:22:02,100 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:22:02,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98f0f2be-0f0c-4fad-9e47-1fb7760ba074/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 17:36:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:36:20,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.