./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:44:02,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:44:02,756 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:44:02,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:44:02,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:44:02,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:44:02,791 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:44:02,791 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:44:02,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:44:02,793 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:44:02,794 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:44:02,795 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:44:02,795 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:44:02,796 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:44:02,796 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:44:02,797 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:44:02,797 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:44:02,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:44:02,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:44:02,800 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:44:02,800 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:44:02,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:44:02,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:44:02,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:44:02,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:44:02,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:44:02,804 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:44:02,804 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:44:02,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:44:02,805 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:44:02,806 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:44:02,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:44:02,806 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:44:02,807 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:44:02,807 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:44:02,808 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:44:02,808 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed [2023-11-19 07:44:03,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:44:03,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:44:03,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:44:03,285 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:44:03,286 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:44:03,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2023-11-19 07:44:06,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:44:06,654 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:44:06,655 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2023-11-19 07:44:06,690 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/data/f1ff0a69a/c52c713b67464181985a515f6805af73/FLAGe85526771 [2023-11-19 07:44:06,759 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/data/f1ff0a69a/c52c713b67464181985a515f6805af73 [2023-11-19 07:44:06,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:44:06,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:44:06,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:06,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:44:06,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:44:06,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:06" (1/1) ... [2023-11-19 07:44:06,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51634bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:06, skipping insertion in model container [2023-11-19 07:44:06,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:06" (1/1) ... [2023-11-19 07:44:06,878 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:44:07,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:44:07,550 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:44:07,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:44:07,718 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:44:07,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:07 WrapperNode [2023-11-19 07:44:07,718 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:07,719 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:44:07,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:44:07,720 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:44:07,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:07" (1/1) ... [2023-11-19 07:44:07,774 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:07" (1/1) ... [2023-11-19 07:44:07,847 INFO L138 Inliner]: procedures = 177, calls = 238, calls flagged for inlining = 14, calls inlined = 23, statements flattened = 1016 [2023-11-19 07:44:07,847 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:44:07,848 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:44:07,848 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:44:07,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:44:07,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:07" (1/1) ... [2023-11-19 07:44:07,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:07" (1/1) ... [2023-11-19 07:44:07,881 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:07" (1/1) ... [2023-11-19 07:44:07,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:07" (1/1) ... [2023-11-19 07:44:07,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:07" (1/1) ... [2023-11-19 07:44:07,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:07" (1/1) ... [2023-11-19 07:44:07,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:07" (1/1) ... [2023-11-19 07:44:08,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:07" (1/1) ... [2023-11-19 07:44:08,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:44:08,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:44:08,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:44:08,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:44:08,031 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:07" (1/1) ... [2023-11-19 07:44:08,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:08,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:08,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:08,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:44:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:44:08,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:44:08,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:44:08,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:44:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:44:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:44:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:44:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:44:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:44:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:44:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:44:08,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:44:08,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:44:08,349 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:44:08,353 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:44:08,358 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:44:10,120 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:44:10,132 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:44:10,132 INFO L302 CfgBuilder]: Removed 40 assume(true) statements. [2023-11-19 07:44:10,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:10 BoogieIcfgContainer [2023-11-19 07:44:10,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:44:10,140 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:44:10,140 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:44:10,144 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:44:10,145 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:44:10,145 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:44:06" (1/3) ... [2023-11-19 07:44:10,146 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6efefc73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:44:10, skipping insertion in model container [2023-11-19 07:44:10,146 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:44:10,146 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:07" (2/3) ... [2023-11-19 07:44:10,146 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6efefc73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:44:10, skipping insertion in model container [2023-11-19 07:44:10,146 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:44:10,147 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:10" (3/3) ... [2023-11-19 07:44:10,148 INFO L332 chiAutomizerObserver]: Analyzing ICFG uthash_SFH_test1-2.i [2023-11-19 07:44:10,217 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:44:10,217 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:44:10,217 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:44:10,217 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:44:10,217 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:44:10,218 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:44:10,218 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:44:10,218 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:44:10,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 272 states, 267 states have (on average 1.651685393258427) internal successors, (441), 267 states have internal predecessors, (441), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 07:44:10,263 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 258 [2023-11-19 07:44:10,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:44:10,264 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:44:10,270 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:44:10,270 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-19 07:44:10,270 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:44:10,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 272 states, 267 states have (on average 1.651685393258427) internal successors, (441), 267 states have internal predecessors, (441), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 07:44:10,294 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 258 [2023-11-19 07:44:10,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:44:10,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:44:10,297 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:44:10,297 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-19 07:44:10,307 INFO L748 eck$LassoCheckResult]: Stem: 178#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 187#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~switch28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc49#1.base, main_#t~malloc49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~malloc58#1.base, main_#t~malloc58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~memset~res65#1.base, main_#t~memset~res65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~post76#1, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~nondet79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~post83#1, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem88#1, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1, main_#t~short91#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~malloc94#1.base, main_#t~malloc94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~memset~res99#1.base, main_#t~memset~res99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem104#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~nondet105#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1.base, main_#t~mem117#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem121#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~nondet122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~pre125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem134#1, main_#t~mem132#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem133#1, main_#t~mem135#1, main_#t~post136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~post112#1, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem114#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~post146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem153#1, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1, main_#t~ite156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~post5#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~ite164#1.base, main_#t~ite164#1.offset, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem167#1.base, main_#t~mem167#1.offset, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~short169#1, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1.base, main_#t~mem180#1.offset, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~nondet193#1, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1, main_#t~post197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1, main_#t~post208#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite166#1.base, main_#t~ite166#1.offset, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;havoc main_~i~0#1;havoc main_~user~0#1.base, main_~user~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;main_~i~0#1 := 0; 108#L750-3true [2023-11-19 07:44:10,307 INFO L750 eck$LassoCheckResult]: Loop: 108#L750-3true assume !!(main_~i~0#1 < 10);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 70#L752true assume main_~user~0#1.base == 0 && main_~user~0#1.offset == 0;assume false; 71#L752-2true call write~int(main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, 4);call write~int(main_~i~0#1 * main_~i~0#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4); 149#L757-269true assume !true; 197#L750-2true main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 108#L750-3true [2023-11-19 07:44:10,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:10,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2023-11-19 07:44:10,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:10,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756854045] [2023-11-19 07:44:10,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:10,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:10,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:10,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:10,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:10,518 INFO L85 PathProgramCache]: Analyzing trace with hash 46879672, now seen corresponding path program 1 times [2023-11-19 07:44:10,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:10,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975609160] [2023-11-19 07:44:10,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:10,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:10,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:10,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975609160] [2023-11-19 07:44:10,583 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 07:44:10,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480130697] [2023-11-19 07:44:10,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:10,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:44:10,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:10,586 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:44:10,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:44:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:10,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:44:10,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:44:10,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:10,751 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:44:10,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480130697] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:10,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:10,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:44:10,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199849323] [2023-11-19 07:44:10,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:10,760 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:44:10,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:10,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:44:10,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:44:10,809 INFO L87 Difference]: Start difference. First operand has 272 states, 267 states have (on average 1.651685393258427) internal successors, (441), 267 states have internal predecessors, (441), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:10,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:44:10,837 INFO L93 Difference]: Finished difference Result 262 states and 373 transitions. [2023-11-19 07:44:10,838 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 262 states and 373 transitions. [2023-11-19 07:44:10,844 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 238 [2023-11-19 07:44:10,855 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 262 states to 248 states and 359 transitions. [2023-11-19 07:44:10,856 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 248 [2023-11-19 07:44:10,858 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 248 [2023-11-19 07:44:10,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 248 states and 359 transitions. [2023-11-19 07:44:10,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:10,862 INFO L218 hiAutomatonCegarLoop]: Abstraction has 248 states and 359 transitions. [2023-11-19 07:44:10,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states and 359 transitions. [2023-11-19 07:44:10,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2023-11-19 07:44:10,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 244 states have (on average 1.4467213114754098) internal successors, (353), 243 states have internal predecessors, (353), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 07:44:10,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 359 transitions. [2023-11-19 07:44:10,909 INFO L240 hiAutomatonCegarLoop]: Abstraction has 248 states and 359 transitions. [2023-11-19 07:44:10,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:44:10,913 INFO L428 stractBuchiCegarLoop]: Abstraction has 248 states and 359 transitions. [2023-11-19 07:44:10,913 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:44:10,913 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 248 states and 359 transitions. [2023-11-19 07:44:10,915 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 238 [2023-11-19 07:44:10,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:44:10,916 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:44:10,918 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:44:10,918 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:10,918 INFO L748 eck$LassoCheckResult]: Stem: 775#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 776#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~switch28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc49#1.base, main_#t~malloc49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~malloc58#1.base, main_#t~malloc58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~memset~res65#1.base, main_#t~memset~res65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~post76#1, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~nondet79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~post83#1, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem88#1, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1, main_#t~short91#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~malloc94#1.base, main_#t~malloc94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~memset~res99#1.base, main_#t~memset~res99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem104#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~nondet105#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1.base, main_#t~mem117#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem121#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~nondet122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~pre125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem134#1, main_#t~mem132#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem133#1, main_#t~mem135#1, main_#t~post136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~post112#1, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem114#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~post146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem153#1, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1, main_#t~ite156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~post5#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~ite164#1.base, main_#t~ite164#1.offset, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem167#1.base, main_#t~mem167#1.offset, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~short169#1, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1.base, main_#t~mem180#1.offset, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~nondet193#1, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1, main_#t~post197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1, main_#t~post208#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite166#1.base, main_#t~ite166#1.offset, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;havoc main_~i~0#1;havoc main_~user~0#1.base, main_~user~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;main_~i~0#1 := 0; 716#L750-3 [2023-11-19 07:44:10,921 INFO L750 eck$LassoCheckResult]: Loop: 716#L750-3 assume !!(main_~i~0#1 < 10);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 671#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 672#L752-2 call write~int(main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, 4);call write~int(main_~i~0#1 * main_~i~0#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4); 673#L757-269 havoc main_~_ha_hashv~0#1; 752#L757-176 goto; 728#L757-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 652#L757-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 653#L757-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch28#1 := 11 == main_~_hj_k~0#1; 777#L757-73 assume main_#t~switch28#1;call main_#t~mem29#1 := read~int(main_~_hj_key~0#1.base, 10 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 16777216 * (main_#t~mem29#1 % 256 % 4294967296);havoc main_#t~mem29#1; 772#L757-75 main_#t~switch28#1 := main_#t~switch28#1 || 10 == main_~_hj_k~0#1; 743#L757-76 assume main_#t~switch28#1;call main_#t~mem30#1 := read~int(main_~_hj_key~0#1.base, 9 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 65536 * (main_#t~mem30#1 % 256 % 4294967296);havoc main_#t~mem30#1; 744#L757-78 main_#t~switch28#1 := main_#t~switch28#1 || 9 == main_~_hj_k~0#1; 792#L757-79 assume main_#t~switch28#1;call main_#t~mem31#1 := read~int(main_~_hj_key~0#1.base, 8 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 256 * (main_#t~mem31#1 % 256 % 4294967296);havoc main_#t~mem31#1; 650#L757-81 main_#t~switch28#1 := main_#t~switch28#1 || 8 == main_~_hj_k~0#1; 651#L757-82 assume main_#t~switch28#1;call main_#t~mem32#1 := read~int(main_~_hj_key~0#1.base, 7 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 16777216 * (main_#t~mem32#1 % 256 % 4294967296);havoc main_#t~mem32#1; 757#L757-84 main_#t~switch28#1 := main_#t~switch28#1 || 7 == main_~_hj_k~0#1; 662#L757-85 assume main_#t~switch28#1;call main_#t~mem33#1 := read~int(main_~_hj_key~0#1.base, 6 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 65536 * (main_#t~mem33#1 % 256 % 4294967296);havoc main_#t~mem33#1; 612#L757-87 main_#t~switch28#1 := main_#t~switch28#1 || 6 == main_~_hj_k~0#1; 613#L757-88 assume !main_#t~switch28#1; 764#L757-90 main_#t~switch28#1 := main_#t~switch28#1 || 5 == main_~_hj_k~0#1; 765#L757-91 assume main_#t~switch28#1;call main_#t~mem35#1 := read~int(main_~_hj_key~0#1.base, 4 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + (if main_#t~mem35#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem35#1 % 256 % 4294967296 else main_#t~mem35#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem35#1; 788#L757-93 main_#t~switch28#1 := main_#t~switch28#1 || 4 == main_~_hj_k~0#1; 624#L757-94 assume main_#t~switch28#1;call main_#t~mem36#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem36#1 % 256 % 4294967296);havoc main_#t~mem36#1; 625#L757-96 main_#t~switch28#1 := main_#t~switch28#1 || 3 == main_~_hj_k~0#1; 781#L757-97 assume main_#t~switch28#1;call main_#t~mem37#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem37#1 % 256 % 4294967296);havoc main_#t~mem37#1; 782#L757-99 main_#t~switch28#1 := main_#t~switch28#1 || 2 == main_~_hj_k~0#1; 786#L757-100 assume main_#t~switch28#1;call main_#t~mem38#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem38#1 % 256 % 4294967296);havoc main_#t~mem38#1; 572#L757-102 main_#t~switch28#1 := main_#t~switch28#1 || 1 == main_~_hj_k~0#1; 573#L757-103 assume main_#t~switch28#1;call main_#t~mem39#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + (if main_#t~mem39#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem39#1 % 256 % 4294967296 else main_#t~mem39#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem39#1; 742#L757-105 havoc main_#t~switch28#1; 768#L757-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 690#L757-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet40#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 610#L757-113 main_~_hj_i~0#1 := main_#t~nondet40#1;havoc main_#t~nondet40#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 611#L757-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet41#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 697#L757-120 main_~_hj_j~0#1 := main_#t~nondet41#1;havoc main_#t~nondet41#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 602#L757-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet42#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 604#L757-127 main_~_ha_hashv~0#1 := main_#t~nondet42#1;havoc main_#t~nondet42#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 659#L757-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet43#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 682#L757-134 main_~_hj_i~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 702#L757-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet44#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 607#L757-141 main_~_hj_j~0#1 := main_#t~nondet44#1;havoc main_#t~nondet44#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 608#L757-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet45#1 := main_~_hj_j~0#1 % 4294967296 / 32; 668#L757-148 main_~_ha_hashv~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 669#L757-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet46#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 649#L757-155 main_~_hj_i~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 710#L757-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet47#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 711#L757-162 main_~_hj_j~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 718#L757-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet48#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 685#L757-169 main_~_ha_hashv~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#1; 592#L757-170 goto; 593#L757-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 619#L757-173 goto; 622#L757-175 goto; 623#L757-266 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 692#L757-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset; 694#L757-194 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem68#1.base, main_#t~mem68#1.offset := read~$Pointer$(main_#t~mem67#1.base, 16 + main_#t~mem67#1.offset, 4);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem70#1 := read~int(main_#t~mem69#1.base, 20 + main_#t~mem69#1.offset, 4);call write~$Pointer$(main_#t~mem68#1.base, main_#t~mem68#1.offset - main_#t~mem70#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;havoc main_#t~mem68#1.base, main_#t~mem68#1.offset;havoc main_#t~mem69#1.base, main_#t~mem69#1.offset;havoc main_#t~mem70#1;call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_#t~mem71#1.base, 16 + main_#t~mem71#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem72#1.base, 8 + main_#t~mem72#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem73#1.base, 16 + main_#t~mem73#1.offset, 4);havoc main_#t~mem73#1.base, main_#t~mem73#1.offset; 683#L757-193 goto; 635#L757-264 havoc main_~_ha_bkt~0#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int(main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);main_#t~post76#1 := main_#t~mem75#1;call write~int(1 + main_#t~post76#1, main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;havoc main_#t~post76#1; 636#L757-203 call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem78#1 := read~int(main_#t~mem77#1.base, 4 + main_#t~mem77#1.offset, 4); 584#L757-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem78#1 - 1) % 4294967296;main_#t~nondet79#1 := 0; 585#L757-201 main_~_ha_bkt~0#1 := main_#t~nondet79#1;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;havoc main_#t~mem78#1;havoc main_#t~nondet79#1; 640#L757-202 goto; 655#L757-261 call main_#t~mem80#1.base, main_#t~mem80#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem81#1.base, main_#t~mem81#1.offset := read~$Pointer$(main_#t~mem80#1.base, main_#t~mem80#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem81#1.base, main_#t~mem81#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem80#1.base, main_#t~mem80#1.offset;havoc main_#t~mem81#1.base, main_#t~mem81#1.offset;call main_#t~mem82#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post83#1 := main_#t~mem82#1;call write~int(1 + main_#t~post83#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem82#1;havoc main_#t~post83#1;call main_#t~mem84#1.base, main_#t~mem84#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem84#1.base, main_#t~mem84#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem84#1.base, main_#t~mem84#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 795#L757-205 assume main_#t~mem85#1.base != 0 || main_#t~mem85#1.offset != 0;havoc main_#t~mem85#1.base, main_#t~mem85#1.offset;call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem86#1.base, 12 + main_#t~mem86#1.offset, 4);havoc main_#t~mem86#1.base, main_#t~mem86#1.offset; 713#L757-207 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem88#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem87#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short91#1 := main_#t~mem88#1 % 4294967296 >= 10 * (1 + main_#t~mem87#1) % 4294967296; 617#L757-208 assume main_#t~short91#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem90#1 := read~int(main_#t~mem89#1.base, 36 + main_#t~mem89#1.offset, 4);main_#t~short91#1 := 0 == main_#t~mem90#1 % 4294967296; 618#L757-210 assume !main_#t~short91#1;havoc main_#t~mem88#1;havoc main_#t~mem87#1;havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;havoc main_#t~mem90#1;havoc main_#t~short91#1; 637#L757-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 709#L757-260 goto; 745#L757-262 havoc main_~_ha_bkt~0#1; 746#L757-263 goto; 732#L757-265 goto; 631#L757-267 havoc main_~_ha_hashv~0#1; 632#L757-268 goto; 727#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 716#L750-3 [2023-11-19 07:44:10,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:10,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2023-11-19 07:44:10,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:10,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551766461] [2023-11-19 07:44:10,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:10,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:10,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:10,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:10,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:10,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1755429761, now seen corresponding path program 1 times [2023-11-19 07:44:10,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:10,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702528333] [2023-11-19 07:44:10,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:10,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:11,043 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:44:11,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2068717988] [2023-11-19 07:44:11,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:11,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:44:11,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:11,070 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:44:11,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:44:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:11,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:44:11,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:44:11,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:11,416 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:44:11,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:11,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702528333] [2023-11-19 07:44:11,417 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:44:11,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068717988] [2023-11-19 07:44:11,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068717988] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:11,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:11,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:44:11,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826818709] [2023-11-19 07:44:11,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:11,420 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:44:11,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:11,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:44:11,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:44:11,424 INFO L87 Difference]: Start difference. First operand 248 states and 359 transitions. cyclomatic complexity: 115 Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:11,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:44:11,627 INFO L93 Difference]: Finished difference Result 269 states and 380 transitions. [2023-11-19 07:44:11,627 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 269 states and 380 transitions. [2023-11-19 07:44:11,630 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 259 [2023-11-19 07:44:11,633 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 269 states to 269 states and 380 transitions. [2023-11-19 07:44:11,633 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 269 [2023-11-19 07:44:11,634 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 269 [2023-11-19 07:44:11,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 269 states and 380 transitions. [2023-11-19 07:44:11,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:11,649 INFO L218 hiAutomatonCegarLoop]: Abstraction has 269 states and 380 transitions. [2023-11-19 07:44:11,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states and 380 transitions. [2023-11-19 07:44:11,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 268. [2023-11-19 07:44:11,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 264 states have (on average 1.4128787878787878) internal successors, (373), 263 states have internal predecessors, (373), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 07:44:11,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 379 transitions. [2023-11-19 07:44:11,678 INFO L240 hiAutomatonCegarLoop]: Abstraction has 268 states and 379 transitions. [2023-11-19 07:44:11,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:44:11,681 INFO L428 stractBuchiCegarLoop]: Abstraction has 268 states and 379 transitions. [2023-11-19 07:44:11,681 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:44:11,681 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 268 states and 379 transitions. [2023-11-19 07:44:11,683 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 258 [2023-11-19 07:44:11,683 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:44:11,683 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:44:11,688 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:44:11,689 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:11,689 INFO L748 eck$LassoCheckResult]: Stem: 1523#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 1524#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~switch28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc49#1.base, main_#t~malloc49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~malloc58#1.base, main_#t~malloc58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~memset~res65#1.base, main_#t~memset~res65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~post76#1, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~nondet79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~post83#1, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem88#1, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1, main_#t~short91#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~malloc94#1.base, main_#t~malloc94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~memset~res99#1.base, main_#t~memset~res99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem104#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~nondet105#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1.base, main_#t~mem117#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem121#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~nondet122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~pre125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem134#1, main_#t~mem132#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem133#1, main_#t~mem135#1, main_#t~post136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~post112#1, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem114#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~post146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem153#1, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1, main_#t~ite156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~post5#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~ite164#1.base, main_#t~ite164#1.offset, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem167#1.base, main_#t~mem167#1.offset, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~short169#1, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1.base, main_#t~mem180#1.offset, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~nondet193#1, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1, main_#t~post197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1, main_#t~post208#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite166#1.base, main_#t~ite166#1.offset, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;havoc main_~i~0#1;havoc main_~user~0#1.base, main_~user~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;main_~i~0#1 := 0; 1461#L750-3 [2023-11-19 07:44:11,689 INFO L750 eck$LassoCheckResult]: Loop: 1461#L750-3 assume !!(main_~i~0#1 < 10);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 1417#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 1418#L752-2 call write~int(main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, 4);call write~int(main_~i~0#1 * main_~i~0#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4); 1419#L757-269 havoc main_~_ha_hashv~0#1; 1499#L757-176 goto; 1474#L757-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 1397#L757-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 1398#L757-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch28#1 := 11 == main_~_hj_k~0#1; 1525#L757-73 assume !main_#t~switch28#1; 1553#L757-75 main_#t~switch28#1 := main_#t~switch28#1 || 10 == main_~_hj_k~0#1; 1557#L757-76 assume main_#t~switch28#1;call main_#t~mem30#1 := read~int(main_~_hj_key~0#1.base, 9 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 65536 * (main_#t~mem30#1 % 256 % 4294967296);havoc main_#t~mem30#1; 1491#L757-78 main_#t~switch28#1 := main_#t~switch28#1 || 9 == main_~_hj_k~0#1; 1540#L757-79 assume main_#t~switch28#1;call main_#t~mem31#1 := read~int(main_~_hj_key~0#1.base, 8 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 256 * (main_#t~mem31#1 % 256 % 4294967296);havoc main_#t~mem31#1; 1395#L757-81 main_#t~switch28#1 := main_#t~switch28#1 || 8 == main_~_hj_k~0#1; 1396#L757-82 assume main_#t~switch28#1;call main_#t~mem32#1 := read~int(main_~_hj_key~0#1.base, 7 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 16777216 * (main_#t~mem32#1 % 256 % 4294967296);havoc main_#t~mem32#1; 1550#L757-84 main_#t~switch28#1 := main_#t~switch28#1 || 7 == main_~_hj_k~0#1; 1407#L757-85 assume main_#t~switch28#1;call main_#t~mem33#1 := read~int(main_~_hj_key~0#1.base, 6 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 65536 * (main_#t~mem33#1 % 256 % 4294967296);havoc main_#t~mem33#1; 1408#L757-87 main_#t~switch28#1 := main_#t~switch28#1 || 6 == main_~_hj_k~0#1; 1543#L757-88 assume main_#t~switch28#1;call main_#t~mem34#1 := read~int(main_~_hj_key~0#1.base, 5 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 256 * (main_#t~mem34#1 % 256 % 4294967296);havoc main_#t~mem34#1; 1512#L757-90 main_#t~switch28#1 := main_#t~switch28#1 || 5 == main_~_hj_k~0#1; 1513#L757-91 assume main_#t~switch28#1;call main_#t~mem35#1 := read~int(main_~_hj_key~0#1.base, 4 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + (if main_#t~mem35#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem35#1 % 256 % 4294967296 else main_#t~mem35#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem35#1; 1537#L757-93 main_#t~switch28#1 := main_#t~switch28#1 || 4 == main_~_hj_k~0#1; 1369#L757-94 assume main_#t~switch28#1;call main_#t~mem36#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem36#1 % 256 % 4294967296);havoc main_#t~mem36#1; 1370#L757-96 main_#t~switch28#1 := main_#t~switch28#1 || 3 == main_~_hj_k~0#1; 1529#L757-97 assume main_#t~switch28#1;call main_#t~mem37#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem37#1 % 256 % 4294967296);havoc main_#t~mem37#1; 1530#L757-99 main_#t~switch28#1 := main_#t~switch28#1 || 2 == main_~_hj_k~0#1; 1534#L757-100 assume main_#t~switch28#1;call main_#t~mem38#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem38#1 % 256 % 4294967296);havoc main_#t~mem38#1; 1535#L757-102 main_#t~switch28#1 := main_#t~switch28#1 || 1 == main_~_hj_k~0#1; 1488#L757-103 assume main_#t~switch28#1;call main_#t~mem39#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + (if main_#t~mem39#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem39#1 % 256 % 4294967296 else main_#t~mem39#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem39#1; 1489#L757-105 havoc main_#t~switch28#1; 1516#L757-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 1436#L757-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet40#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 1355#L757-113 main_~_hj_i~0#1 := main_#t~nondet40#1;havoc main_#t~nondet40#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 1356#L757-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet41#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 1443#L757-120 main_~_hj_j~0#1 := main_#t~nondet41#1;havoc main_#t~nondet41#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 1345#L757-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet42#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 1347#L757-127 main_~_ha_hashv~0#1 := main_#t~nondet42#1;havoc main_#t~nondet42#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 1404#L757-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet43#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 1428#L757-134 main_~_hj_i~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 1448#L757-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet44#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 1352#L757-141 main_~_hj_j~0#1 := main_#t~nondet44#1;havoc main_#t~nondet44#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 1353#L757-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet45#1 := main_~_hj_j~0#1 % 4294967296 / 32; 1413#L757-148 main_~_ha_hashv~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 1414#L757-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet46#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 1394#L757-155 main_~_hj_i~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 1456#L757-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet47#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 1457#L757-162 main_~_hj_j~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 1464#L757-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet48#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 1431#L757-169 main_~_ha_hashv~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#1; 1337#L757-170 goto; 1338#L757-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 1364#L757-173 goto; 1367#L757-175 goto; 1368#L757-266 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 1438#L757-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset; 1440#L757-194 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem68#1.base, main_#t~mem68#1.offset := read~$Pointer$(main_#t~mem67#1.base, 16 + main_#t~mem67#1.offset, 4);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem70#1 := read~int(main_#t~mem69#1.base, 20 + main_#t~mem69#1.offset, 4);call write~$Pointer$(main_#t~mem68#1.base, main_#t~mem68#1.offset - main_#t~mem70#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;havoc main_#t~mem68#1.base, main_#t~mem68#1.offset;havoc main_#t~mem69#1.base, main_#t~mem69#1.offset;havoc main_#t~mem70#1;call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_#t~mem71#1.base, 16 + main_#t~mem71#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem72#1.base, 8 + main_#t~mem72#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem73#1.base, 16 + main_#t~mem73#1.offset, 4);havoc main_#t~mem73#1.base, main_#t~mem73#1.offset; 1429#L757-193 goto; 1380#L757-264 havoc main_~_ha_bkt~0#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int(main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);main_#t~post76#1 := main_#t~mem75#1;call write~int(1 + main_#t~post76#1, main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;havoc main_#t~post76#1; 1381#L757-203 call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem78#1 := read~int(main_#t~mem77#1.base, 4 + main_#t~mem77#1.offset, 4); 1329#L757-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem78#1 - 1) % 4294967296;main_#t~nondet79#1 := 0; 1330#L757-201 main_~_ha_bkt~0#1 := main_#t~nondet79#1;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;havoc main_#t~mem78#1;havoc main_#t~nondet79#1; 1385#L757-202 goto; 1400#L757-261 call main_#t~mem80#1.base, main_#t~mem80#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem81#1.base, main_#t~mem81#1.offset := read~$Pointer$(main_#t~mem80#1.base, main_#t~mem80#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem81#1.base, main_#t~mem81#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem80#1.base, main_#t~mem80#1.offset;havoc main_#t~mem81#1.base, main_#t~mem81#1.offset;call main_#t~mem82#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post83#1 := main_#t~mem82#1;call write~int(1 + main_#t~post83#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem82#1;havoc main_#t~post83#1;call main_#t~mem84#1.base, main_#t~mem84#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem84#1.base, main_#t~mem84#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem84#1.base, main_#t~mem84#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 1545#L757-205 assume main_#t~mem85#1.base != 0 || main_#t~mem85#1.offset != 0;havoc main_#t~mem85#1.base, main_#t~mem85#1.offset;call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem86#1.base, 12 + main_#t~mem86#1.offset, 4);havoc main_#t~mem86#1.base, main_#t~mem86#1.offset; 1459#L757-207 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem88#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem87#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short91#1 := main_#t~mem88#1 % 4294967296 >= 10 * (1 + main_#t~mem87#1) % 4294967296; 1362#L757-208 assume main_#t~short91#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem90#1 := read~int(main_#t~mem89#1.base, 36 + main_#t~mem89#1.offset, 4);main_#t~short91#1 := 0 == main_#t~mem90#1 % 4294967296; 1363#L757-210 assume !main_#t~short91#1;havoc main_#t~mem88#1;havoc main_#t~mem87#1;havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;havoc main_#t~mem90#1;havoc main_#t~short91#1; 1382#L757-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 1455#L757-260 goto; 1492#L757-262 havoc main_~_ha_bkt~0#1; 1493#L757-263 goto; 1479#L757-265 goto; 1378#L757-267 havoc main_~_ha_hashv~0#1; 1379#L757-268 goto; 1473#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1461#L750-3 [2023-11-19 07:44:11,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:11,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 3 times [2023-11-19 07:44:11,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:11,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947407336] [2023-11-19 07:44:11,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:11,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:11,711 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:11,744 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:11,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:11,745 INFO L85 PathProgramCache]: Analyzing trace with hash -721641215, now seen corresponding path program 1 times [2023-11-19 07:44:11,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:11,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435700328] [2023-11-19 07:44:11,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:11,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:11,828 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:44:11,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [446176550] [2023-11-19 07:44:11,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:11,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:44:11,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:11,835 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:44:11,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:44:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:12,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:44:12,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:44:12,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:12,193 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:44:12,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:12,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435700328] [2023-11-19 07:44:12,194 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:44:12,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446176550] [2023-11-19 07:44:12,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446176550] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:12,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:12,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:44:12,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631100370] [2023-11-19 07:44:12,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:12,196 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:44:12,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:12,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:44:12,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:44:12,198 INFO L87 Difference]: Start difference. First operand 268 states and 379 transitions. cyclomatic complexity: 115 Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:12,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:44:12,307 INFO L93 Difference]: Finished difference Result 255 states and 359 transitions. [2023-11-19 07:44:12,307 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 255 states and 359 transitions. [2023-11-19 07:44:12,310 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 245 [2023-11-19 07:44:12,313 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 255 states to 255 states and 359 transitions. [2023-11-19 07:44:12,314 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 255 [2023-11-19 07:44:12,315 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 255 [2023-11-19 07:44:12,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 255 states and 359 transitions. [2023-11-19 07:44:12,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:12,317 INFO L218 hiAutomatonCegarLoop]: Abstraction has 255 states and 359 transitions. [2023-11-19 07:44:12,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states and 359 transitions. [2023-11-19 07:44:12,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 254. [2023-11-19 07:44:12,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 250 states have (on average 1.408) internal successors, (352), 249 states have internal predecessors, (352), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 07:44:12,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 358 transitions. [2023-11-19 07:44:12,344 INFO L240 hiAutomatonCegarLoop]: Abstraction has 254 states and 358 transitions. [2023-11-19 07:44:12,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:44:12,346 INFO L428 stractBuchiCegarLoop]: Abstraction has 254 states and 358 transitions. [2023-11-19 07:44:12,346 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-19 07:44:12,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 254 states and 358 transitions. [2023-11-19 07:44:12,348 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 244 [2023-11-19 07:44:12,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:44:12,348 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:44:12,349 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:44:12,350 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:12,350 INFO L748 eck$LassoCheckResult]: Stem: 2274#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 2275#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~switch28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc49#1.base, main_#t~malloc49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~malloc58#1.base, main_#t~malloc58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~memset~res65#1.base, main_#t~memset~res65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~post76#1, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~nondet79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~post83#1, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem88#1, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1, main_#t~short91#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~malloc94#1.base, main_#t~malloc94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~memset~res99#1.base, main_#t~memset~res99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem104#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~nondet105#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1.base, main_#t~mem117#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem121#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~nondet122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~pre125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem134#1, main_#t~mem132#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem133#1, main_#t~mem135#1, main_#t~post136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~post112#1, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem114#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~post146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem153#1, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1, main_#t~ite156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~post5#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~ite164#1.base, main_#t~ite164#1.offset, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem167#1.base, main_#t~mem167#1.offset, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~short169#1, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1.base, main_#t~mem180#1.offset, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~nondet193#1, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1, main_#t~post197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1, main_#t~post208#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite166#1.base, main_#t~ite166#1.offset, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;havoc main_~i~0#1;havoc main_~user~0#1.base, main_~user~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;main_~i~0#1 := 0; 2214#L750-3 [2023-11-19 07:44:12,350 INFO L750 eck$LassoCheckResult]: Loop: 2214#L750-3 assume !!(main_~i~0#1 < 10);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 2170#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 2171#L752-2 call write~int(main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, 4);call write~int(main_~i~0#1 * main_~i~0#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4); 2172#L757-269 havoc main_~_ha_hashv~0#1; 2251#L757-176 goto; 2227#L757-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 2151#L757-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 2152#L757-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch28#1 := 11 == main_~_hj_k~0#1; 2276#L757-73 assume !main_#t~switch28#1; 2270#L757-75 main_#t~switch28#1 := main_#t~switch28#1 || 10 == main_~_hj_k~0#1; 2242#L757-76 assume !main_#t~switch28#1; 2243#L757-78 main_#t~switch28#1 := main_#t~switch28#1 || 9 == main_~_hj_k~0#1; 2290#L757-79 assume !main_#t~switch28#1; 2149#L757-81 main_#t~switch28#1 := main_#t~switch28#1 || 8 == main_~_hj_k~0#1; 2150#L757-82 assume !main_#t~switch28#1; 2256#L757-84 main_#t~switch28#1 := main_#t~switch28#1 || 7 == main_~_hj_k~0#1; 2161#L757-85 assume !main_#t~switch28#1; 2110#L757-87 main_#t~switch28#1 := main_#t~switch28#1 || 6 == main_~_hj_k~0#1; 2111#L757-88 assume !main_#t~switch28#1; 2263#L757-90 main_#t~switch28#1 := main_#t~switch28#1 || 5 == main_~_hj_k~0#1; 2264#L757-91 assume !main_#t~switch28#1; 2287#L757-93 main_#t~switch28#1 := main_#t~switch28#1 || 4 == main_~_hj_k~0#1; 2122#L757-94 assume main_#t~switch28#1;call main_#t~mem36#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem36#1 % 256 % 4294967296);havoc main_#t~mem36#1; 2123#L757-96 main_#t~switch28#1 := main_#t~switch28#1 || 3 == main_~_hj_k~0#1; 2280#L757-97 assume main_#t~switch28#1;call main_#t~mem37#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem37#1 % 256 % 4294967296);havoc main_#t~mem37#1; 2281#L757-99 main_#t~switch28#1 := main_#t~switch28#1 || 2 == main_~_hj_k~0#1; 2285#L757-100 assume main_#t~switch28#1;call main_#t~mem38#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem38#1 % 256 % 4294967296);havoc main_#t~mem38#1; 2070#L757-102 main_#t~switch28#1 := main_#t~switch28#1 || 1 == main_~_hj_k~0#1; 2071#L757-103 assume main_#t~switch28#1;call main_#t~mem39#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + (if main_#t~mem39#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem39#1 % 256 % 4294967296 else main_#t~mem39#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem39#1; 2241#L757-105 havoc main_#t~switch28#1; 2267#L757-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 2189#L757-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet40#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 2108#L757-113 main_~_hj_i~0#1 := main_#t~nondet40#1;havoc main_#t~nondet40#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 2109#L757-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet41#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 2196#L757-120 main_~_hj_j~0#1 := main_#t~nondet41#1;havoc main_#t~nondet41#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 2100#L757-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet42#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 2102#L757-127 main_~_ha_hashv~0#1 := main_#t~nondet42#1;havoc main_#t~nondet42#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 2158#L757-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet43#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 2181#L757-134 main_~_hj_i~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 2201#L757-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet44#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 2105#L757-141 main_~_hj_j~0#1 := main_#t~nondet44#1;havoc main_#t~nondet44#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 2106#L757-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet45#1 := main_~_hj_j~0#1 % 4294967296 / 32; 2166#L757-148 main_~_ha_hashv~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 2167#L757-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet46#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 2148#L757-155 main_~_hj_i~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 2209#L757-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet47#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 2210#L757-162 main_~_hj_j~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 2217#L757-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet48#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 2184#L757-169 main_~_ha_hashv~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#1; 2090#L757-170 goto; 2091#L757-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 2117#L757-173 goto; 2120#L757-175 goto; 2121#L757-266 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 2191#L757-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset; 2193#L757-194 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem68#1.base, main_#t~mem68#1.offset := read~$Pointer$(main_#t~mem67#1.base, 16 + main_#t~mem67#1.offset, 4);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem70#1 := read~int(main_#t~mem69#1.base, 20 + main_#t~mem69#1.offset, 4);call write~$Pointer$(main_#t~mem68#1.base, main_#t~mem68#1.offset - main_#t~mem70#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;havoc main_#t~mem68#1.base, main_#t~mem68#1.offset;havoc main_#t~mem69#1.base, main_#t~mem69#1.offset;havoc main_#t~mem70#1;call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_#t~mem71#1.base, 16 + main_#t~mem71#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem72#1.base, 8 + main_#t~mem72#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem73#1.base, 16 + main_#t~mem73#1.offset, 4);havoc main_#t~mem73#1.base, main_#t~mem73#1.offset; 2182#L757-193 goto; 2134#L757-264 havoc main_~_ha_bkt~0#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int(main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);main_#t~post76#1 := main_#t~mem75#1;call write~int(1 + main_#t~post76#1, main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;havoc main_#t~post76#1; 2135#L757-203 call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem78#1 := read~int(main_#t~mem77#1.base, 4 + main_#t~mem77#1.offset, 4); 2082#L757-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem78#1 - 1) % 4294967296;main_#t~nondet79#1 := 0; 2083#L757-201 main_~_ha_bkt~0#1 := main_#t~nondet79#1;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;havoc main_#t~mem78#1;havoc main_#t~nondet79#1; 2139#L757-202 goto; 2154#L757-261 call main_#t~mem80#1.base, main_#t~mem80#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem81#1.base, main_#t~mem81#1.offset := read~$Pointer$(main_#t~mem80#1.base, main_#t~mem80#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem81#1.base, main_#t~mem81#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem80#1.base, main_#t~mem80#1.offset;havoc main_#t~mem81#1.base, main_#t~mem81#1.offset;call main_#t~mem82#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post83#1 := main_#t~mem82#1;call write~int(1 + main_#t~post83#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem82#1;havoc main_#t~post83#1;call main_#t~mem84#1.base, main_#t~mem84#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem84#1.base, main_#t~mem84#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem84#1.base, main_#t~mem84#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 2294#L757-205 assume main_#t~mem85#1.base != 0 || main_#t~mem85#1.offset != 0;havoc main_#t~mem85#1.base, main_#t~mem85#1.offset;call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem86#1.base, 12 + main_#t~mem86#1.offset, 4);havoc main_#t~mem86#1.base, main_#t~mem86#1.offset; 2212#L757-207 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem88#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem87#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short91#1 := main_#t~mem88#1 % 4294967296 >= 10 * (1 + main_#t~mem87#1) % 4294967296; 2115#L757-208 assume main_#t~short91#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem90#1 := read~int(main_#t~mem89#1.base, 36 + main_#t~mem89#1.offset, 4);main_#t~short91#1 := 0 == main_#t~mem90#1 % 4294967296; 2116#L757-210 assume !main_#t~short91#1;havoc main_#t~mem88#1;havoc main_#t~mem87#1;havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;havoc main_#t~mem90#1;havoc main_#t~short91#1; 2136#L757-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 2208#L757-260 goto; 2244#L757-262 havoc main_~_ha_bkt~0#1; 2245#L757-263 goto; 2232#L757-265 goto; 2132#L757-267 havoc main_~_ha_hashv~0#1; 2133#L757-268 goto; 2226#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2214#L750-3 [2023-11-19 07:44:12,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:12,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 4 times [2023-11-19 07:44:12,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:12,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133505714] [2023-11-19 07:44:12,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:12,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:12,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:12,374 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:12,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:12,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1950207859, now seen corresponding path program 1 times [2023-11-19 07:44:12,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:12,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622475898] [2023-11-19 07:44:12,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:12,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:12,426 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:44:12,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1938699781] [2023-11-19 07:44:12,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:12,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:44:12,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:12,435 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:44:12,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 07:44:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:12,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 07:44:12,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:44:12,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:12,999 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:44:12,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:12,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622475898] [2023-11-19 07:44:12,999 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:44:13,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938699781] [2023-11-19 07:44:13,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938699781] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:13,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:13,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-19 07:44:13,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427312075] [2023-11-19 07:44:13,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:13,001 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:44:13,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:13,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:44:13,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:44:13,002 INFO L87 Difference]: Start difference. First operand 254 states and 358 transitions. cyclomatic complexity: 108 Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:13,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:44:13,645 INFO L93 Difference]: Finished difference Result 303 states and 420 transitions. [2023-11-19 07:44:13,645 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 303 states and 420 transitions. [2023-11-19 07:44:13,648 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 293 [2023-11-19 07:44:13,652 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 303 states to 303 states and 420 transitions. [2023-11-19 07:44:13,652 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 303 [2023-11-19 07:44:13,653 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 303 [2023-11-19 07:44:13,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 303 states and 420 transitions. [2023-11-19 07:44:13,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:13,654 INFO L218 hiAutomatonCegarLoop]: Abstraction has 303 states and 420 transitions. [2023-11-19 07:44:13,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states and 420 transitions. [2023-11-19 07:44:13,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 294. [2023-11-19 07:44:13,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 290 states have (on average 1.3793103448275863) internal successors, (400), 289 states have internal predecessors, (400), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 07:44:13,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 406 transitions. [2023-11-19 07:44:13,663 INFO L240 hiAutomatonCegarLoop]: Abstraction has 294 states and 406 transitions. [2023-11-19 07:44:13,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:44:13,664 INFO L428 stractBuchiCegarLoop]: Abstraction has 294 states and 406 transitions. [2023-11-19 07:44:13,665 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-19 07:44:13,665 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 294 states and 406 transitions. [2023-11-19 07:44:13,667 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 284 [2023-11-19 07:44:13,667 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:44:13,667 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:44:13,668 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:44:13,668 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:13,669 INFO L748 eck$LassoCheckResult]: Stem: 3070#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 3071#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~switch28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc49#1.base, main_#t~malloc49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~malloc58#1.base, main_#t~malloc58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~memset~res65#1.base, main_#t~memset~res65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~post76#1, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~nondet79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~post83#1, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem88#1, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1, main_#t~short91#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~malloc94#1.base, main_#t~malloc94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~memset~res99#1.base, main_#t~memset~res99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem104#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~nondet105#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1.base, main_#t~mem117#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem121#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~nondet122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~pre125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem134#1, main_#t~mem132#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem133#1, main_#t~mem135#1, main_#t~post136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~post112#1, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem114#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~post146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem153#1, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1, main_#t~ite156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~post5#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~ite164#1.base, main_#t~ite164#1.offset, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem167#1.base, main_#t~mem167#1.offset, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~short169#1, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1.base, main_#t~mem180#1.offset, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~nondet193#1, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1, main_#t~post197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1, main_#t~post208#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite166#1.base, main_#t~ite166#1.offset, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;havoc main_~i~0#1;havoc main_~user~0#1.base, main_~user~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;main_~i~0#1 := 0; 3008#L750-3 [2023-11-19 07:44:13,669 INFO L750 eck$LassoCheckResult]: Loop: 3008#L750-3 assume !!(main_~i~0#1 < 10);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 2960#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 2961#L752-2 call write~int(main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, 4);call write~int(main_~i~0#1 * main_~i~0#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4); 2962#L757-269 havoc main_~_ha_hashv~0#1; 3045#L757-176 goto; 3019#L757-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 3020#L757-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 3135#L757-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch28#1 := 11 == main_~_hj_k~0#1; 3134#L757-73 assume !main_#t~switch28#1; 3133#L757-75 main_#t~switch28#1 := main_#t~switch28#1 || 10 == main_~_hj_k~0#1; 3132#L757-76 assume !main_#t~switch28#1; 3131#L757-78 main_#t~switch28#1 := main_#t~switch28#1 || 9 == main_~_hj_k~0#1; 3130#L757-79 assume !main_#t~switch28#1; 3129#L757-81 main_#t~switch28#1 := main_#t~switch28#1 || 8 == main_~_hj_k~0#1; 3128#L757-82 assume !main_#t~switch28#1; 3127#L757-84 main_#t~switch28#1 := main_#t~switch28#1 || 7 == main_~_hj_k~0#1; 3126#L757-85 assume !main_#t~switch28#1; 3125#L757-87 main_#t~switch28#1 := main_#t~switch28#1 || 6 == main_~_hj_k~0#1; 3124#L757-88 assume !main_#t~switch28#1; 3123#L757-90 main_#t~switch28#1 := main_#t~switch28#1 || 5 == main_~_hj_k~0#1; 3122#L757-91 assume !main_#t~switch28#1; 3084#L757-93 main_#t~switch28#1 := main_#t~switch28#1 || 4 == main_~_hj_k~0#1; 3085#L757-94 assume !main_#t~switch28#1; 3120#L757-96 main_#t~switch28#1 := main_#t~switch28#1 || 3 == main_~_hj_k~0#1; 3117#L757-97 assume !main_#t~switch28#1; 3105#L757-99 main_#t~switch28#1 := main_#t~switch28#1 || 2 == main_~_hj_k~0#1; 3106#L757-100 assume !main_#t~switch28#1; 3114#L757-102 main_#t~switch28#1 := main_#t~switch28#1 || 1 == main_~_hj_k~0#1; 3113#L757-103 assume main_#t~switch28#1;call main_#t~mem39#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + (if main_#t~mem39#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem39#1 % 256 % 4294967296 else main_#t~mem39#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem39#1; 3064#L757-105 havoc main_#t~switch28#1; 3060#L757-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 3061#L757-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet40#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 3111#L757-113 main_~_hj_i~0#1 := main_#t~nondet40#1;havoc main_#t~nondet40#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 3110#L757-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet41#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 3109#L757-120 main_~_hj_j~0#1 := main_#t~nondet41#1;havoc main_#t~nondet41#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 2888#L757-121 assume !(0 == main_~_ha_hashv~0#1 % 4294967296); 2889#L757-123 assume 0 == main_~_hj_j~0#1 % 4294967296 / 8192 % 4294967296;main_#t~nondet42#1 := main_~_ha_hashv~0#1; 2947#L757-127 main_~_ha_hashv~0#1 := main_#t~nondet42#1;havoc main_#t~nondet42#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 2948#L757-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet43#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 2971#L757-134 main_~_hj_i~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 2993#L757-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet44#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 2894#L757-141 main_~_hj_j~0#1 := main_#t~nondet44#1;havoc main_#t~nondet44#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 2895#L757-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet45#1 := main_~_hj_j~0#1 % 4294967296 / 32; 2956#L757-148 main_~_ha_hashv~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 2957#L757-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet46#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 2937#L757-155 main_~_hj_i~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 3001#L757-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet47#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 3002#L757-162 main_~_hj_j~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 3009#L757-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet48#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 2974#L757-169 main_~_ha_hashv~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#1; 2880#L757-170 goto; 2881#L757-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 2906#L757-173 goto; 2909#L757-175 goto; 2910#L757-266 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 2981#L757-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset; 2983#L757-194 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem68#1.base, main_#t~mem68#1.offset := read~$Pointer$(main_#t~mem67#1.base, 16 + main_#t~mem67#1.offset, 4);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem70#1 := read~int(main_#t~mem69#1.base, 20 + main_#t~mem69#1.offset, 4);call write~$Pointer$(main_#t~mem68#1.base, main_#t~mem68#1.offset - main_#t~mem70#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;havoc main_#t~mem68#1.base, main_#t~mem68#1.offset;havoc main_#t~mem69#1.base, main_#t~mem69#1.offset;havoc main_#t~mem70#1;call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_#t~mem71#1.base, 16 + main_#t~mem71#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem72#1.base, 8 + main_#t~mem72#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem73#1.base, 16 + main_#t~mem73#1.offset, 4);havoc main_#t~mem73#1.base, main_#t~mem73#1.offset; 2972#L757-193 goto; 2923#L757-264 havoc main_~_ha_bkt~0#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int(main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);main_#t~post76#1 := main_#t~mem75#1;call write~int(1 + main_#t~post76#1, main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;havoc main_#t~post76#1; 2924#L757-203 call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem78#1 := read~int(main_#t~mem77#1.base, 4 + main_#t~mem77#1.offset, 4); 2872#L757-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem78#1 - 1) % 4294967296;main_#t~nondet79#1 := 0; 2873#L757-201 main_~_ha_bkt~0#1 := main_#t~nondet79#1;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;havoc main_#t~mem78#1;havoc main_#t~nondet79#1; 2928#L757-202 goto; 2943#L757-261 call main_#t~mem80#1.base, main_#t~mem80#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem81#1.base, main_#t~mem81#1.offset := read~$Pointer$(main_#t~mem80#1.base, main_#t~mem80#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem81#1.base, main_#t~mem81#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem80#1.base, main_#t~mem80#1.offset;havoc main_#t~mem81#1.base, main_#t~mem81#1.offset;call main_#t~mem82#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post83#1 := main_#t~mem82#1;call write~int(1 + main_#t~post83#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem82#1;havoc main_#t~post83#1;call main_#t~mem84#1.base, main_#t~mem84#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem84#1.base, main_#t~mem84#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem84#1.base, main_#t~mem84#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 3091#L757-205 assume main_#t~mem85#1.base != 0 || main_#t~mem85#1.offset != 0;havoc main_#t~mem85#1.base, main_#t~mem85#1.offset;call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem86#1.base, 12 + main_#t~mem86#1.offset, 4);havoc main_#t~mem86#1.base, main_#t~mem86#1.offset; 3004#L757-207 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem88#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem87#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short91#1 := main_#t~mem88#1 % 4294967296 >= 10 * (1 + main_#t~mem87#1) % 4294967296; 2904#L757-208 assume main_#t~short91#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem90#1 := read~int(main_#t~mem89#1.base, 36 + main_#t~mem89#1.offset, 4);main_#t~short91#1 := 0 == main_#t~mem90#1 % 4294967296; 2905#L757-210 assume !main_#t~short91#1;havoc main_#t~mem88#1;havoc main_#t~mem87#1;havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;havoc main_#t~mem90#1;havoc main_#t~short91#1; 2925#L757-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 3000#L757-260 goto; 3038#L757-262 havoc main_~_ha_bkt~0#1; 3039#L757-263 goto; 3025#L757-265 goto; 2921#L757-267 havoc main_~_ha_hashv~0#1; 2922#L757-268 goto; 3018#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3008#L750-3 [2023-11-19 07:44:13,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:13,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 5 times [2023-11-19 07:44:13,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:13,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084063043] [2023-11-19 07:44:13,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:13,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:13,680 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:13,693 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:13,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:13,694 INFO L85 PathProgramCache]: Analyzing trace with hash -2016310890, now seen corresponding path program 1 times [2023-11-19 07:44:13,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:13,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105551991] [2023-11-19 07:44:13,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:13,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:13,740 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:44:13,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [387501449] [2023-11-19 07:44:13,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:13,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:44:13,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:13,743 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:44:13,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 07:44:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:14,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:44:14,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:44:14,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:14,157 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:44:14,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:14,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105551991] [2023-11-19 07:44:14,158 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:44:14,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387501449] [2023-11-19 07:44:14,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387501449] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:14,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:14,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:44:14,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994328221] [2023-11-19 07:44:14,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:14,160 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:44:14,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:14,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:44:14,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:44:14,161 INFO L87 Difference]: Start difference. First operand 294 states and 406 transitions. cyclomatic complexity: 116 Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:14,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:44:14,318 INFO L93 Difference]: Finished difference Result 371 states and 532 transitions. [2023-11-19 07:44:14,318 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 371 states and 532 transitions. [2023-11-19 07:44:14,322 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 361 [2023-11-19 07:44:14,326 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 371 states to 371 states and 532 transitions. [2023-11-19 07:44:14,326 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 371 [2023-11-19 07:44:14,328 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 371 [2023-11-19 07:44:14,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 371 states and 532 transitions. [2023-11-19 07:44:14,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:14,330 INFO L218 hiAutomatonCegarLoop]: Abstraction has 371 states and 532 transitions. [2023-11-19 07:44:14,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states and 532 transitions. [2023-11-19 07:44:14,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 294. [2023-11-19 07:44:14,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 290 states have (on average 1.3689655172413793) internal successors, (397), 289 states have internal predecessors, (397), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 07:44:14,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 403 transitions. [2023-11-19 07:44:14,341 INFO L240 hiAutomatonCegarLoop]: Abstraction has 294 states and 403 transitions. [2023-11-19 07:44:14,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:44:14,345 INFO L428 stractBuchiCegarLoop]: Abstraction has 294 states and 403 transitions. [2023-11-19 07:44:14,345 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-19 07:44:14,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 294 states and 403 transitions. [2023-11-19 07:44:14,347 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 284 [2023-11-19 07:44:14,347 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:44:14,347 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:44:14,349 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:44:14,349 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:14,349 INFO L748 eck$LassoCheckResult]: Stem: 3966#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 3967#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~switch28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc49#1.base, main_#t~malloc49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~malloc58#1.base, main_#t~malloc58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~memset~res65#1.base, main_#t~memset~res65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~post76#1, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~nondet79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~post83#1, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem88#1, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1, main_#t~short91#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~malloc94#1.base, main_#t~malloc94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~memset~res99#1.base, main_#t~memset~res99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem104#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~nondet105#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1.base, main_#t~mem117#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem121#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~nondet122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~pre125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem134#1, main_#t~mem132#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem133#1, main_#t~mem135#1, main_#t~post136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~post112#1, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem114#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~post146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem153#1, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1, main_#t~ite156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~post5#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~ite164#1.base, main_#t~ite164#1.offset, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem167#1.base, main_#t~mem167#1.offset, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~short169#1, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1.base, main_#t~mem180#1.offset, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~nondet193#1, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1, main_#t~post197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1, main_#t~post208#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite166#1.base, main_#t~ite166#1.offset, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;havoc main_~i~0#1;havoc main_~user~0#1.base, main_~user~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;main_~i~0#1 := 0; 3903#L750-3 [2023-11-19 07:44:14,351 INFO L750 eck$LassoCheckResult]: Loop: 3903#L750-3 assume !!(main_~i~0#1 < 10);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 3858#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 3859#L752-2 call write~int(main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, 4);call write~int(main_~i~0#1 * main_~i~0#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4); 3860#L757-269 havoc main_~_ha_hashv~0#1; 3940#L757-176 goto; 3915#L757-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 3916#L757-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 4026#L757-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch28#1 := 11 == main_~_hj_k~0#1; 4025#L757-73 assume !main_#t~switch28#1; 3963#L757-75 main_#t~switch28#1 := main_#t~switch28#1 || 10 == main_~_hj_k~0#1; 3931#L757-76 assume !main_#t~switch28#1; 3932#L757-78 main_#t~switch28#1 := main_#t~switch28#1 || 9 == main_~_hj_k~0#1; 3984#L757-79 assume !main_#t~switch28#1; 3985#L757-81 main_#t~switch28#1 := main_#t~switch28#1 || 8 == main_~_hj_k~0#1; 4001#L757-82 assume !main_#t~switch28#1; 3945#L757-84 main_#t~switch28#1 := main_#t~switch28#1 || 7 == main_~_hj_k~0#1; 3946#L757-85 assume !main_#t~switch28#1; 4022#L757-87 main_#t~switch28#1 := main_#t~switch28#1 || 6 == main_~_hj_k~0#1; 3987#L757-88 assume !main_#t~switch28#1; 3988#L757-90 main_#t~switch28#1 := main_#t~switch28#1 || 5 == main_~_hj_k~0#1; 3996#L757-91 assume !main_#t~switch28#1; 3997#L757-93 main_#t~switch28#1 := main_#t~switch28#1 || 4 == main_~_hj_k~0#1; 3809#L757-94 assume main_#t~switch28#1;call main_#t~mem36#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem36#1 % 256 % 4294967296);havoc main_#t~mem36#1; 3810#L757-96 main_#t~switch28#1 := main_#t~switch28#1 || 3 == main_~_hj_k~0#1; 4029#L757-97 assume main_#t~switch28#1;call main_#t~mem37#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem37#1 % 256 % 4294967296);havoc main_#t~mem37#1; 4030#L757-99 main_#t~switch28#1 := main_#t~switch28#1 || 2 == main_~_hj_k~0#1; 4031#L757-100 assume main_#t~switch28#1;call main_#t~mem38#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem38#1 % 256 % 4294967296);havoc main_#t~mem38#1; 4032#L757-102 main_#t~switch28#1 := main_#t~switch28#1 || 1 == main_~_hj_k~0#1; 4033#L757-103 assume main_#t~switch28#1;call main_#t~mem39#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + (if main_#t~mem39#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem39#1 % 256 % 4294967296 else main_#t~mem39#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem39#1; 3930#L757-105 havoc main_#t~switch28#1; 3960#L757-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 3877#L757-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet40#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 3795#L757-113 main_~_hj_i~0#1 := main_#t~nondet40#1;havoc main_#t~nondet40#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 3796#L757-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet41#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 3884#L757-120 main_~_hj_j~0#1 := main_#t~nondet41#1;havoc main_#t~nondet41#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 3784#L757-121 assume !(0 == main_~_ha_hashv~0#1 % 4294967296); 3785#L757-123 assume 0 == main_~_hj_j~0#1 % 4294967296 / 8192 % 4294967296;main_#t~nondet42#1 := main_~_ha_hashv~0#1; 3845#L757-127 main_~_ha_hashv~0#1 := main_#t~nondet42#1;havoc main_#t~nondet42#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 3846#L757-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet43#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 3867#L757-134 main_~_hj_i~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 3889#L757-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet44#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 3792#L757-141 main_~_hj_j~0#1 := main_#t~nondet44#1;havoc main_#t~nondet44#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 3793#L757-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet45#1 := main_~_hj_j~0#1 % 4294967296 / 32; 3851#L757-148 main_~_ha_hashv~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 3852#L757-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet46#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 3835#L757-155 main_~_hj_i~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 3897#L757-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet47#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 3898#L757-162 main_~_hj_j~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 3905#L757-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet48#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 3872#L757-169 main_~_ha_hashv~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#1; 3778#L757-170 goto; 3779#L757-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 3804#L757-173 goto; 3807#L757-175 goto; 3808#L757-266 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 3879#L757-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset; 3881#L757-194 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem68#1.base, main_#t~mem68#1.offset := read~$Pointer$(main_#t~mem67#1.base, 16 + main_#t~mem67#1.offset, 4);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem70#1 := read~int(main_#t~mem69#1.base, 20 + main_#t~mem69#1.offset, 4);call write~$Pointer$(main_#t~mem68#1.base, main_#t~mem68#1.offset - main_#t~mem70#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;havoc main_#t~mem68#1.base, main_#t~mem68#1.offset;havoc main_#t~mem69#1.base, main_#t~mem69#1.offset;havoc main_#t~mem70#1;call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_#t~mem71#1.base, 16 + main_#t~mem71#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem72#1.base, 8 + main_#t~mem72#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem73#1.base, 16 + main_#t~mem73#1.offset, 4);havoc main_#t~mem73#1.base, main_#t~mem73#1.offset; 3870#L757-193 goto; 3821#L757-264 havoc main_~_ha_bkt~0#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int(main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);main_#t~post76#1 := main_#t~mem75#1;call write~int(1 + main_#t~post76#1, main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;havoc main_#t~post76#1; 3822#L757-203 call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem78#1 := read~int(main_#t~mem77#1.base, 4 + main_#t~mem77#1.offset, 4); 3770#L757-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem78#1 - 1) % 4294967296;main_#t~nondet79#1 := 0; 3771#L757-201 main_~_ha_bkt~0#1 := main_#t~nondet79#1;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;havoc main_#t~mem78#1;havoc main_#t~nondet79#1; 3825#L757-202 goto; 3838#L757-261 call main_#t~mem80#1.base, main_#t~mem80#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem81#1.base, main_#t~mem81#1.offset := read~$Pointer$(main_#t~mem80#1.base, main_#t~mem80#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem81#1.base, main_#t~mem81#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem80#1.base, main_#t~mem80#1.offset;havoc main_#t~mem81#1.base, main_#t~mem81#1.offset;call main_#t~mem82#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post83#1 := main_#t~mem82#1;call write~int(1 + main_#t~post83#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem82#1;havoc main_#t~post83#1;call main_#t~mem84#1.base, main_#t~mem84#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem84#1.base, main_#t~mem84#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem84#1.base, main_#t~mem84#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 3989#L757-205 assume main_#t~mem85#1.base != 0 || main_#t~mem85#1.offset != 0;havoc main_#t~mem85#1.base, main_#t~mem85#1.offset;call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem86#1.base, 12 + main_#t~mem86#1.offset, 4);havoc main_#t~mem86#1.base, main_#t~mem86#1.offset; 3900#L757-207 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem88#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem87#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short91#1 := main_#t~mem88#1 % 4294967296 >= 10 * (1 + main_#t~mem87#1) % 4294967296; 3802#L757-208 assume main_#t~short91#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem90#1 := read~int(main_#t~mem89#1.base, 36 + main_#t~mem89#1.offset, 4);main_#t~short91#1 := 0 == main_#t~mem90#1 % 4294967296; 3803#L757-210 assume !main_#t~short91#1;havoc main_#t~mem88#1;havoc main_#t~mem87#1;havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;havoc main_#t~mem90#1;havoc main_#t~short91#1; 3823#L757-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 3896#L757-260 goto; 3933#L757-262 havoc main_~_ha_bkt~0#1; 3934#L757-263 goto; 3921#L757-265 goto; 3817#L757-267 havoc main_~_ha_hashv~0#1; 3818#L757-268 goto; 3914#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3903#L750-3 [2023-11-19 07:44:14,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:14,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 6 times [2023-11-19 07:44:14,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:14,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539281218] [2023-11-19 07:44:14,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:14,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:14,365 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:14,379 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:14,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:14,380 INFO L85 PathProgramCache]: Analyzing trace with hash 345377628, now seen corresponding path program 1 times [2023-11-19 07:44:14,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:14,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217165416] [2023-11-19 07:44:14,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:14,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:14,448 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:44:14,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1210599425] [2023-11-19 07:44:14,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:14,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:44:14,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:14,453 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:44:14,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 07:44:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:14,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 07:44:14,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:44:15,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:15,051 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:44:15,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:15,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217165416] [2023-11-19 07:44:15,063 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:44:15,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210599425] [2023-11-19 07:44:15,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210599425] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:15,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:15,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:44:15,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776612169] [2023-11-19 07:44:15,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:15,068 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:44:15,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:15,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:44:15,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:44:15,069 INFO L87 Difference]: Start difference. First operand 294 states and 403 transitions. cyclomatic complexity: 113 Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:15,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:44:15,700 INFO L93 Difference]: Finished difference Result 294 states and 402 transitions. [2023-11-19 07:44:15,700 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 294 states and 402 transitions. [2023-11-19 07:44:15,704 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 284 [2023-11-19 07:44:15,708 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 294 states to 294 states and 402 transitions. [2023-11-19 07:44:15,708 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 294 [2023-11-19 07:44:15,709 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 294 [2023-11-19 07:44:15,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 294 states and 402 transitions. [2023-11-19 07:44:15,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:15,710 INFO L218 hiAutomatonCegarLoop]: Abstraction has 294 states and 402 transitions. [2023-11-19 07:44:15,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states and 402 transitions. [2023-11-19 07:44:15,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 291. [2023-11-19 07:44:15,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 287 states have (on average 1.3658536585365855) internal successors, (392), 286 states have internal predecessors, (392), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 07:44:15,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 398 transitions. [2023-11-19 07:44:15,721 INFO L240 hiAutomatonCegarLoop]: Abstraction has 291 states and 398 transitions. [2023-11-19 07:44:15,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:44:15,722 INFO L428 stractBuchiCegarLoop]: Abstraction has 291 states and 398 transitions. [2023-11-19 07:44:15,722 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-19 07:44:15,723 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 291 states and 398 transitions. [2023-11-19 07:44:15,725 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 281 [2023-11-19 07:44:15,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:44:15,726 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:44:15,729 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:44:15,729 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:15,730 INFO L748 eck$LassoCheckResult]: Stem: 4789#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 4790#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~switch28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc49#1.base, main_#t~malloc49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~malloc58#1.base, main_#t~malloc58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~memset~res65#1.base, main_#t~memset~res65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~post76#1, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~nondet79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~post83#1, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem88#1, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1, main_#t~short91#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~malloc94#1.base, main_#t~malloc94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~memset~res99#1.base, main_#t~memset~res99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem104#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~nondet105#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1.base, main_#t~mem117#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem121#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~nondet122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~pre125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem134#1, main_#t~mem132#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem133#1, main_#t~mem135#1, main_#t~post136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~post112#1, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem114#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~post146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem153#1, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1, main_#t~ite156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~post5#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~ite164#1.base, main_#t~ite164#1.offset, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem167#1.base, main_#t~mem167#1.offset, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~short169#1, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1.base, main_#t~mem180#1.offset, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~nondet193#1, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1, main_#t~post197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1, main_#t~post208#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite166#1.base, main_#t~ite166#1.offset, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;havoc main_~i~0#1;havoc main_~user~0#1.base, main_~user~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;main_~i~0#1 := 0; 4725#L750-3 [2023-11-19 07:44:15,731 INFO L750 eck$LassoCheckResult]: Loop: 4725#L750-3 assume !!(main_~i~0#1 < 10);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 4680#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 4681#L752-2 call write~int(main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, 4);call write~int(main_~i~0#1 * main_~i~0#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4); 4682#L757-269 havoc main_~_ha_hashv~0#1; 4764#L757-176 goto; 4738#L757-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 4739#L757-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 4852#L757-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch28#1 := 11 == main_~_hj_k~0#1; 4851#L757-73 assume !main_#t~switch28#1; 4850#L757-75 main_#t~switch28#1 := main_#t~switch28#1 || 10 == main_~_hj_k~0#1; 4849#L757-76 assume !main_#t~switch28#1; 4848#L757-78 main_#t~switch28#1 := main_#t~switch28#1 || 9 == main_~_hj_k~0#1; 4847#L757-79 assume !main_#t~switch28#1; 4846#L757-81 main_#t~switch28#1 := main_#t~switch28#1 || 8 == main_~_hj_k~0#1; 4818#L757-82 assume !main_#t~switch28#1; 4769#L757-84 main_#t~switch28#1 := main_#t~switch28#1 || 7 == main_~_hj_k~0#1; 4770#L757-85 assume !main_#t~switch28#1; 4839#L757-87 main_#t~switch28#1 := main_#t~switch28#1 || 6 == main_~_hj_k~0#1; 4838#L757-88 assume !main_#t~switch28#1; 4777#L757-90 main_#t~switch28#1 := main_#t~switch28#1 || 5 == main_~_hj_k~0#1; 4778#L757-91 assume !main_#t~switch28#1; 4836#L757-93 main_#t~switch28#1 := main_#t~switch28#1 || 4 == main_~_hj_k~0#1; 4632#L757-94 assume main_#t~switch28#1;call main_#t~mem36#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem36#1 % 256 % 4294967296);havoc main_#t~mem36#1; 4633#L757-96 main_#t~switch28#1 := main_#t~switch28#1 || 3 == main_~_hj_k~0#1; 4795#L757-97 assume main_#t~switch28#1;call main_#t~mem37#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem37#1 % 256 % 4294967296);havoc main_#t~mem37#1; 4796#L757-99 main_#t~switch28#1 := main_#t~switch28#1 || 2 == main_~_hj_k~0#1; 4801#L757-100 assume main_#t~switch28#1;call main_#t~mem38#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem38#1 % 256 % 4294967296);havoc main_#t~mem38#1; 4580#L757-102 main_#t~switch28#1 := main_#t~switch28#1 || 1 == main_~_hj_k~0#1; 4581#L757-103 assume main_#t~switch28#1;call main_#t~mem39#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + (if main_#t~mem39#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem39#1 % 256 % 4294967296 else main_#t~mem39#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem39#1; 4754#L757-105 havoc main_#t~switch28#1; 4783#L757-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 4824#L757-107 assume !(0 == main_~_hj_i~0#1 % 4294967296); 4704#L757-109 assume !(0 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296); 4705#L757-111 assume main_~_hj_i~0#1 % 4294967296 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296;main_#t~nondet40#1 := 0; 4618#L757-113 main_~_hj_i~0#1 := main_#t~nondet40#1;havoc main_#t~nondet40#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 4619#L757-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet41#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 4707#L757-120 main_~_hj_j~0#1 := main_#t~nondet41#1;havoc main_#t~nondet41#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 4608#L757-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet42#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 4610#L757-127 main_~_ha_hashv~0#1 := main_#t~nondet42#1;havoc main_#t~nondet42#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 4668#L757-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet43#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 4691#L757-134 main_~_hj_i~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 4712#L757-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet44#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 4615#L757-141 main_~_hj_j~0#1 := main_#t~nondet44#1;havoc main_#t~nondet44#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 4616#L757-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet45#1 := main_~_hj_j~0#1 % 4294967296 / 32; 4676#L757-148 main_~_ha_hashv~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 4677#L757-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet46#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 4658#L757-155 main_~_hj_i~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 4720#L757-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet47#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 4721#L757-162 main_~_hj_j~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 4728#L757-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet48#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 4694#L757-169 main_~_ha_hashv~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#1; 4600#L757-170 goto; 4601#L757-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 4627#L757-173 goto; 4630#L757-175 goto; 4631#L757-266 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 4701#L757-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset; 4703#L757-194 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem68#1.base, main_#t~mem68#1.offset := read~$Pointer$(main_#t~mem67#1.base, 16 + main_#t~mem67#1.offset, 4);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem70#1 := read~int(main_#t~mem69#1.base, 20 + main_#t~mem69#1.offset, 4);call write~$Pointer$(main_#t~mem68#1.base, main_#t~mem68#1.offset - main_#t~mem70#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;havoc main_#t~mem68#1.base, main_#t~mem68#1.offset;havoc main_#t~mem69#1.base, main_#t~mem69#1.offset;havoc main_#t~mem70#1;call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_#t~mem71#1.base, 16 + main_#t~mem71#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem72#1.base, 8 + main_#t~mem72#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem73#1.base, 16 + main_#t~mem73#1.offset, 4);havoc main_#t~mem73#1.base, main_#t~mem73#1.offset; 4692#L757-193 goto; 4644#L757-264 havoc main_~_ha_bkt~0#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int(main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);main_#t~post76#1 := main_#t~mem75#1;call write~int(1 + main_#t~post76#1, main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;havoc main_#t~post76#1; 4645#L757-203 call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem78#1 := read~int(main_#t~mem77#1.base, 4 + main_#t~mem77#1.offset, 4); 4592#L757-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem78#1 - 1) % 4294967296;main_#t~nondet79#1 := 0; 4593#L757-201 main_~_ha_bkt~0#1 := main_#t~nondet79#1;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;havoc main_#t~mem78#1;havoc main_#t~nondet79#1; 4649#L757-202 goto; 4664#L757-261 call main_#t~mem80#1.base, main_#t~mem80#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem81#1.base, main_#t~mem81#1.offset := read~$Pointer$(main_#t~mem80#1.base, main_#t~mem80#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem81#1.base, main_#t~mem81#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem80#1.base, main_#t~mem80#1.offset;havoc main_#t~mem81#1.base, main_#t~mem81#1.offset;call main_#t~mem82#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post83#1 := main_#t~mem82#1;call write~int(1 + main_#t~post83#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem82#1;havoc main_#t~post83#1;call main_#t~mem84#1.base, main_#t~mem84#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem84#1.base, main_#t~mem84#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem84#1.base, main_#t~mem84#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 4812#L757-205 assume main_#t~mem85#1.base != 0 || main_#t~mem85#1.offset != 0;havoc main_#t~mem85#1.base, main_#t~mem85#1.offset;call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem86#1.base, 12 + main_#t~mem86#1.offset, 4);havoc main_#t~mem86#1.base, main_#t~mem86#1.offset; 4723#L757-207 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem88#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem87#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short91#1 := main_#t~mem88#1 % 4294967296 >= 10 * (1 + main_#t~mem87#1) % 4294967296; 4625#L757-208 assume main_#t~short91#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem90#1 := read~int(main_#t~mem89#1.base, 36 + main_#t~mem89#1.offset, 4);main_#t~short91#1 := 0 == main_#t~mem90#1 % 4294967296; 4626#L757-210 assume !main_#t~short91#1;havoc main_#t~mem88#1;havoc main_#t~mem87#1;havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;havoc main_#t~mem90#1;havoc main_#t~short91#1; 4646#L757-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 4719#L757-260 goto; 4757#L757-262 havoc main_~_ha_bkt~0#1; 4758#L757-263 goto; 4744#L757-265 goto; 4642#L757-267 havoc main_~_ha_hashv~0#1; 4643#L757-268 goto; 4737#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4725#L750-3 [2023-11-19 07:44:15,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:15,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 7 times [2023-11-19 07:44:15,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:15,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604625636] [2023-11-19 07:44:15,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:15,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:15,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:15,761 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:15,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:15,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1835154424, now seen corresponding path program 1 times [2023-11-19 07:44:15,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:15,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767566552] [2023-11-19 07:44:15,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:15,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:15,830 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:44:15,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [480136441] [2023-11-19 07:44:15,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:15,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:44:15,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:15,843 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:44:15,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 07:44:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:16,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 07:44:16,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:44:16,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:16,391 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:44:16,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:16,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767566552] [2023-11-19 07:44:16,391 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:44:16,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480136441] [2023-11-19 07:44:16,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480136441] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:16,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:16,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:44:16,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892528760] [2023-11-19 07:44:16,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:16,396 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:44:16,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:16,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:44:16,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:44:16,404 INFO L87 Difference]: Start difference. First operand 291 states and 398 transitions. cyclomatic complexity: 111 Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:17,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:44:17,013 INFO L93 Difference]: Finished difference Result 298 states and 407 transitions. [2023-11-19 07:44:17,013 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 298 states and 407 transitions. [2023-11-19 07:44:17,016 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 288 [2023-11-19 07:44:17,019 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 298 states to 298 states and 407 transitions. [2023-11-19 07:44:17,019 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 298 [2023-11-19 07:44:17,020 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 298 [2023-11-19 07:44:17,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 298 states and 407 transitions. [2023-11-19 07:44:17,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:17,021 INFO L218 hiAutomatonCegarLoop]: Abstraction has 298 states and 407 transitions. [2023-11-19 07:44:17,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states and 407 transitions. [2023-11-19 07:44:17,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 295. [2023-11-19 07:44:17,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 291 states have (on average 1.3676975945017182) internal successors, (398), 290 states have internal predecessors, (398), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 07:44:17,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 404 transitions. [2023-11-19 07:44:17,029 INFO L240 hiAutomatonCegarLoop]: Abstraction has 295 states and 404 transitions. [2023-11-19 07:44:17,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:44:17,030 INFO L428 stractBuchiCegarLoop]: Abstraction has 295 states and 404 transitions. [2023-11-19 07:44:17,030 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-19 07:44:17,030 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 295 states and 404 transitions. [2023-11-19 07:44:17,032 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 285 [2023-11-19 07:44:17,032 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:44:17,032 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:44:17,033 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:44:17,033 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:17,033 INFO L748 eck$LassoCheckResult]: Stem: 5613#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 5614#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~switch28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc49#1.base, main_#t~malloc49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~malloc58#1.base, main_#t~malloc58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~memset~res65#1.base, main_#t~memset~res65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~post76#1, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~nondet79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~post83#1, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem88#1, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1, main_#t~short91#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~malloc94#1.base, main_#t~malloc94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~memset~res99#1.base, main_#t~memset~res99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem104#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~nondet105#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1.base, main_#t~mem117#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem121#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~nondet122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~pre125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem134#1, main_#t~mem132#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem133#1, main_#t~mem135#1, main_#t~post136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~post112#1, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem114#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~post146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem153#1, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1, main_#t~ite156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~post5#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~ite164#1.base, main_#t~ite164#1.offset, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem167#1.base, main_#t~mem167#1.offset, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~short169#1, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1.base, main_#t~mem180#1.offset, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~nondet193#1, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1, main_#t~post197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1, main_#t~post208#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite166#1.base, main_#t~ite166#1.offset, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;havoc main_~i~0#1;havoc main_~user~0#1.base, main_~user~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;main_~i~0#1 := 0; 5554#L750-3 [2023-11-19 07:44:17,034 INFO L750 eck$LassoCheckResult]: Loop: 5554#L750-3 assume !!(main_~i~0#1 < 10);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 5506#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 5507#L752-2 call write~int(main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, 4);call write~int(main_~i~0#1 * main_~i~0#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4); 5508#L757-269 havoc main_~_ha_hashv~0#1; 5589#L757-176 goto; 5565#L757-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 5487#L757-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 5488#L757-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch28#1 := 11 == main_~_hj_k~0#1; 5615#L757-73 assume !main_#t~switch28#1; 5609#L757-75 main_#t~switch28#1 := main_#t~switch28#1 || 10 == main_~_hj_k~0#1; 5580#L757-76 assume !main_#t~switch28#1; 5581#L757-78 main_#t~switch28#1 := main_#t~switch28#1 || 9 == main_~_hj_k~0#1; 5629#L757-79 assume !main_#t~switch28#1; 5485#L757-81 main_#t~switch28#1 := main_#t~switch28#1 || 8 == main_~_hj_k~0#1; 5486#L757-82 assume !main_#t~switch28#1; 5594#L757-84 main_#t~switch28#1 := main_#t~switch28#1 || 7 == main_~_hj_k~0#1; 5497#L757-85 assume !main_#t~switch28#1; 5446#L757-87 main_#t~switch28#1 := main_#t~switch28#1 || 6 == main_~_hj_k~0#1; 5447#L757-88 assume !main_#t~switch28#1; 5601#L757-90 main_#t~switch28#1 := main_#t~switch28#1 || 5 == main_~_hj_k~0#1; 5602#L757-91 assume !main_#t~switch28#1; 5627#L757-93 main_#t~switch28#1 := main_#t~switch28#1 || 4 == main_~_hj_k~0#1; 5458#L757-94 assume main_#t~switch28#1;call main_#t~mem36#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem36#1 % 256 % 4294967296);havoc main_#t~mem36#1; 5459#L757-96 main_#t~switch28#1 := main_#t~switch28#1 || 3 == main_~_hj_k~0#1; 5663#L757-97 assume main_#t~switch28#1;call main_#t~mem37#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem37#1 % 256 % 4294967296);havoc main_#t~mem37#1; 5660#L757-99 main_#t~switch28#1 := main_#t~switch28#1 || 2 == main_~_hj_k~0#1; 5658#L757-100 assume main_#t~switch28#1;call main_#t~mem38#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem38#1 % 256 % 4294967296);havoc main_#t~mem38#1; 5655#L757-102 main_#t~switch28#1 := main_#t~switch28#1 || 1 == main_~_hj_k~0#1; 5653#L757-103 assume main_#t~switch28#1;call main_#t~mem39#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + (if main_#t~mem39#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem39#1 % 256 % 4294967296 else main_#t~mem39#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem39#1; 5579#L757-105 havoc main_#t~switch28#1; 5607#L757-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 5649#L757-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet40#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 5648#L757-113 main_~_hj_i~0#1 := main_#t~nondet40#1;havoc main_#t~nondet40#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 5647#L757-114 assume !(0 == main_~_hj_j~0#1 % 4294967296); 5556#L757-116 assume !(0 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296); 5557#L757-118 assume !(main_~_hj_j~0#1 % 4294967296 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296);assume main_#t~nondet41#1 % 4294967296 <= main_~_hj_j~0#1 % 4294967296 + 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296; 5534#L757-120 main_~_hj_j~0#1 := main_#t~nondet41#1;havoc main_#t~nondet41#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 5434#L757-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet42#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 5436#L757-127 main_~_ha_hashv~0#1 := main_#t~nondet42#1;havoc main_#t~nondet42#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 5494#L757-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet43#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 5517#L757-134 main_~_hj_i~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 5539#L757-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet44#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 5441#L757-141 main_~_hj_j~0#1 := main_#t~nondet44#1;havoc main_#t~nondet44#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 5442#L757-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet45#1 := main_~_hj_j~0#1 % 4294967296 / 32; 5502#L757-148 main_~_ha_hashv~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 5503#L757-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet46#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 5484#L757-155 main_~_hj_i~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 5547#L757-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet47#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 5548#L757-162 main_~_hj_j~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 5555#L757-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet48#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 5520#L757-169 main_~_ha_hashv~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#1; 5426#L757-170 goto; 5427#L757-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 5453#L757-173 goto; 5456#L757-175 goto; 5457#L757-266 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 5528#L757-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset; 5530#L757-194 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem68#1.base, main_#t~mem68#1.offset := read~$Pointer$(main_#t~mem67#1.base, 16 + main_#t~mem67#1.offset, 4);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem70#1 := read~int(main_#t~mem69#1.base, 20 + main_#t~mem69#1.offset, 4);call write~$Pointer$(main_#t~mem68#1.base, main_#t~mem68#1.offset - main_#t~mem70#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;havoc main_#t~mem68#1.base, main_#t~mem68#1.offset;havoc main_#t~mem69#1.base, main_#t~mem69#1.offset;havoc main_#t~mem70#1;call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_#t~mem71#1.base, 16 + main_#t~mem71#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem72#1.base, 8 + main_#t~mem72#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem73#1.base, 16 + main_#t~mem73#1.offset, 4);havoc main_#t~mem73#1.base, main_#t~mem73#1.offset; 5518#L757-193 goto; 5470#L757-264 havoc main_~_ha_bkt~0#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int(main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);main_#t~post76#1 := main_#t~mem75#1;call write~int(1 + main_#t~post76#1, main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;havoc main_#t~post76#1; 5471#L757-203 call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem78#1 := read~int(main_#t~mem77#1.base, 4 + main_#t~mem77#1.offset, 4); 5418#L757-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem78#1 - 1) % 4294967296;main_#t~nondet79#1 := 0; 5419#L757-201 main_~_ha_bkt~0#1 := main_#t~nondet79#1;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;havoc main_#t~mem78#1;havoc main_#t~nondet79#1; 5475#L757-202 goto; 5490#L757-261 call main_#t~mem80#1.base, main_#t~mem80#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem81#1.base, main_#t~mem81#1.offset := read~$Pointer$(main_#t~mem80#1.base, main_#t~mem80#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem81#1.base, main_#t~mem81#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem80#1.base, main_#t~mem80#1.offset;havoc main_#t~mem81#1.base, main_#t~mem81#1.offset;call main_#t~mem82#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post83#1 := main_#t~mem82#1;call write~int(1 + main_#t~post83#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem82#1;havoc main_#t~post83#1;call main_#t~mem84#1.base, main_#t~mem84#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem84#1.base, main_#t~mem84#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem84#1.base, main_#t~mem84#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 5636#L757-205 assume main_#t~mem85#1.base != 0 || main_#t~mem85#1.offset != 0;havoc main_#t~mem85#1.base, main_#t~mem85#1.offset;call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem86#1.base, 12 + main_#t~mem86#1.offset, 4);havoc main_#t~mem86#1.base, main_#t~mem86#1.offset; 5550#L757-207 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem88#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem87#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short91#1 := main_#t~mem88#1 % 4294967296 >= 10 * (1 + main_#t~mem87#1) % 4294967296; 5451#L757-208 assume main_#t~short91#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem90#1 := read~int(main_#t~mem89#1.base, 36 + main_#t~mem89#1.offset, 4);main_#t~short91#1 := 0 == main_#t~mem90#1 % 4294967296; 5452#L757-210 assume !main_#t~short91#1;havoc main_#t~mem88#1;havoc main_#t~mem87#1;havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;havoc main_#t~mem90#1;havoc main_#t~short91#1; 5472#L757-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 5546#L757-260 goto; 5582#L757-262 havoc main_~_ha_bkt~0#1; 5583#L757-263 goto; 5570#L757-265 goto; 5468#L757-267 havoc main_~_ha_hashv~0#1; 5469#L757-268 goto; 5564#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5554#L750-3 [2023-11-19 07:44:17,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:17,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 8 times [2023-11-19 07:44:17,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:17,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970809586] [2023-11-19 07:44:17,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:17,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:17,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:17,055 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:17,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:17,055 INFO L85 PathProgramCache]: Analyzing trace with hash -2119139418, now seen corresponding path program 1 times [2023-11-19 07:44:17,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:17,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807316523] [2023-11-19 07:44:17,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:17,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:17,099 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:44:17,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1807377169] [2023-11-19 07:44:17,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:17,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:44:17,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:17,102 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:44:17,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 07:44:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:19,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 07:44:19,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:44:19,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:19,997 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:44:19,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:19,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807316523] [2023-11-19 07:44:19,997 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:44:19,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807377169] [2023-11-19 07:44:19,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807377169] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:19,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:19,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-19 07:44:19,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454173346] [2023-11-19 07:44:19,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:19,999 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:44:19,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:19,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:44:20,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:44:20,000 INFO L87 Difference]: Start difference. First operand 295 states and 404 transitions. cyclomatic complexity: 113 Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:20,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:44:20,914 INFO L93 Difference]: Finished difference Result 302 states and 412 transitions. [2023-11-19 07:44:20,914 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 302 states and 412 transitions. [2023-11-19 07:44:20,942 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 292 [2023-11-19 07:44:20,945 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 302 states to 302 states and 412 transitions. [2023-11-19 07:44:20,946 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 302 [2023-11-19 07:44:20,946 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 302 [2023-11-19 07:44:20,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 302 states and 412 transitions. [2023-11-19 07:44:20,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:20,947 INFO L218 hiAutomatonCegarLoop]: Abstraction has 302 states and 412 transitions. [2023-11-19 07:44:20,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states and 412 transitions. [2023-11-19 07:44:20,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 300. [2023-11-19 07:44:20,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 296 states have (on average 1.364864864864865) internal successors, (404), 295 states have internal predecessors, (404), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 07:44:20,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 410 transitions. [2023-11-19 07:44:20,962 INFO L240 hiAutomatonCegarLoop]: Abstraction has 300 states and 410 transitions. [2023-11-19 07:44:20,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:44:20,965 INFO L428 stractBuchiCegarLoop]: Abstraction has 300 states and 410 transitions. [2023-11-19 07:44:20,965 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-19 07:44:20,965 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 300 states and 410 transitions. [2023-11-19 07:44:20,971 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 290 [2023-11-19 07:44:20,971 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:44:20,971 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:44:20,972 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:44:20,972 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:20,972 INFO L748 eck$LassoCheckResult]: Stem: 6452#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 6453#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~switch28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc49#1.base, main_#t~malloc49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~malloc58#1.base, main_#t~malloc58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~memset~res65#1.base, main_#t~memset~res65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~post76#1, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~nondet79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~post83#1, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem88#1, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1, main_#t~short91#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~malloc94#1.base, main_#t~malloc94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~memset~res99#1.base, main_#t~memset~res99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem104#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~nondet105#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1.base, main_#t~mem117#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem121#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~nondet122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~pre125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem134#1, main_#t~mem132#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem133#1, main_#t~mem135#1, main_#t~post136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~post112#1, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem114#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~post146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem153#1, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1, main_#t~ite156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~post5#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~ite164#1.base, main_#t~ite164#1.offset, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem167#1.base, main_#t~mem167#1.offset, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~short169#1, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1.base, main_#t~mem180#1.offset, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~nondet193#1, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1, main_#t~post197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1, main_#t~post208#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite166#1.base, main_#t~ite166#1.offset, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;havoc main_~i~0#1;havoc main_~user~0#1.base, main_~user~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;main_~i~0#1 := 0; 6391#L750-3 [2023-11-19 07:44:20,974 INFO L750 eck$LassoCheckResult]: Loop: 6391#L750-3 assume !!(main_~i~0#1 < 10);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 6344#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 6345#L752-2 call write~int(main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, 4);call write~int(main_~i~0#1 * main_~i~0#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4); 6346#L757-269 havoc main_~_ha_hashv~0#1; 6428#L757-176 goto; 6403#L757-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 6325#L757-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 6326#L757-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch28#1 := 11 == main_~_hj_k~0#1; 6454#L757-73 assume !main_#t~switch28#1; 6449#L757-75 main_#t~switch28#1 := main_#t~switch28#1 || 10 == main_~_hj_k~0#1; 6419#L757-76 assume !main_#t~switch28#1; 6420#L757-78 main_#t~switch28#1 := main_#t~switch28#1 || 9 == main_~_hj_k~0#1; 6481#L757-79 assume !main_#t~switch28#1; 6503#L757-81 main_#t~switch28#1 := main_#t~switch28#1 || 8 == main_~_hj_k~0#1; 6502#L757-82 assume !main_#t~switch28#1; 6501#L757-84 main_#t~switch28#1 := main_#t~switch28#1 || 7 == main_~_hj_k~0#1; 6500#L757-85 assume !main_#t~switch28#1; 6499#L757-87 main_#t~switch28#1 := main_#t~switch28#1 || 6 == main_~_hj_k~0#1; 6498#L757-88 assume !main_#t~switch28#1; 6497#L757-90 main_#t~switch28#1 := main_#t~switch28#1 || 5 == main_~_hj_k~0#1; 6496#L757-91 assume !main_#t~switch28#1; 6467#L757-93 main_#t~switch28#1 := main_#t~switch28#1 || 4 == main_~_hj_k~0#1; 6295#L757-94 assume main_#t~switch28#1;call main_#t~mem36#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem36#1 % 256 % 4294967296);havoc main_#t~mem36#1; 6296#L757-96 main_#t~switch28#1 := main_#t~switch28#1 || 3 == main_~_hj_k~0#1; 6508#L757-97 assume main_#t~switch28#1;call main_#t~mem37#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem37#1 % 256 % 4294967296);havoc main_#t~mem37#1; 6507#L757-99 main_#t~switch28#1 := main_#t~switch28#1 || 2 == main_~_hj_k~0#1; 6506#L757-100 assume main_#t~switch28#1;call main_#t~mem38#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem38#1 % 256 % 4294967296);havoc main_#t~mem38#1; 6244#L757-102 main_#t~switch28#1 := main_#t~switch28#1 || 1 == main_~_hj_k~0#1; 6245#L757-103 assume main_#t~switch28#1;call main_#t~mem39#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + (if main_#t~mem39#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem39#1 % 256 % 4294967296 else main_#t~mem39#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem39#1; 6418#L757-105 havoc main_#t~switch28#1; 6443#L757-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 6444#L757-107 assume !(0 == main_~_hj_i~0#1 % 4294967296); 6519#L757-109 assume !(0 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296); 6525#L757-111 assume !(main_~_hj_i~0#1 % 4294967296 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296);assume main_#t~nondet40#1 % 4294967296 <= main_~_hj_i~0#1 % 4294967296 + main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296; 6364#L757-113 main_~_hj_i~0#1 := main_#t~nondet40#1;havoc main_#t~nondet40#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 6520#L757-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet41#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 6371#L757-120 main_~_hj_j~0#1 := main_#t~nondet41#1;havoc main_#t~nondet41#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 6372#L757-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet42#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 6331#L757-127 main_~_ha_hashv~0#1 := main_#t~nondet42#1;havoc main_#t~nondet42#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 6332#L757-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet43#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 6355#L757-134 main_~_hj_i~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 6377#L757-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet44#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 6279#L757-141 main_~_hj_j~0#1 := main_#t~nondet44#1;havoc main_#t~nondet44#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 6280#L757-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet45#1 := main_~_hj_j~0#1 % 4294967296 / 32; 6341#L757-148 main_~_ha_hashv~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 6342#L757-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet46#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 6321#L757-155 main_~_hj_i~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 6385#L757-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet47#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 6386#L757-162 main_~_hj_j~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 6393#L757-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet48#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 6358#L757-169 main_~_ha_hashv~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#1; 6264#L757-170 goto; 6265#L757-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 6290#L757-173 goto; 6293#L757-175 goto; 6294#L757-266 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 6366#L757-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset; 6368#L757-194 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem68#1.base, main_#t~mem68#1.offset := read~$Pointer$(main_#t~mem67#1.base, 16 + main_#t~mem67#1.offset, 4);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem70#1 := read~int(main_#t~mem69#1.base, 20 + main_#t~mem69#1.offset, 4);call write~$Pointer$(main_#t~mem68#1.base, main_#t~mem68#1.offset - main_#t~mem70#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;havoc main_#t~mem68#1.base, main_#t~mem68#1.offset;havoc main_#t~mem69#1.base, main_#t~mem69#1.offset;havoc main_#t~mem70#1;call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_#t~mem71#1.base, 16 + main_#t~mem71#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem72#1.base, 8 + main_#t~mem72#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem73#1.base, 16 + main_#t~mem73#1.offset, 4);havoc main_#t~mem73#1.base, main_#t~mem73#1.offset; 6356#L757-193 goto; 6307#L757-264 havoc main_~_ha_bkt~0#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int(main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);main_#t~post76#1 := main_#t~mem75#1;call write~int(1 + main_#t~post76#1, main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;havoc main_#t~post76#1; 6308#L757-203 call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem78#1 := read~int(main_#t~mem77#1.base, 4 + main_#t~mem77#1.offset, 4); 6256#L757-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem78#1 - 1) % 4294967296;main_#t~nondet79#1 := 0; 6257#L757-201 main_~_ha_bkt~0#1 := main_#t~nondet79#1;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;havoc main_#t~mem78#1;havoc main_#t~nondet79#1; 6311#L757-202 goto; 6324#L757-261 call main_#t~mem80#1.base, main_#t~mem80#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem81#1.base, main_#t~mem81#1.offset := read~$Pointer$(main_#t~mem80#1.base, main_#t~mem80#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem81#1.base, main_#t~mem81#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem80#1.base, main_#t~mem80#1.offset;havoc main_#t~mem81#1.base, main_#t~mem81#1.offset;call main_#t~mem82#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post83#1 := main_#t~mem82#1;call write~int(1 + main_#t~post83#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem82#1;havoc main_#t~post83#1;call main_#t~mem84#1.base, main_#t~mem84#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem84#1.base, main_#t~mem84#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem84#1.base, main_#t~mem84#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 6473#L757-205 assume main_#t~mem85#1.base != 0 || main_#t~mem85#1.offset != 0;havoc main_#t~mem85#1.base, main_#t~mem85#1.offset;call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem86#1.base, 12 + main_#t~mem86#1.offset, 4);havoc main_#t~mem86#1.base, main_#t~mem86#1.offset; 6388#L757-207 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem88#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem87#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short91#1 := main_#t~mem88#1 % 4294967296 >= 10 * (1 + main_#t~mem87#1) % 4294967296; 6288#L757-208 assume main_#t~short91#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem90#1 := read~int(main_#t~mem89#1.base, 36 + main_#t~mem89#1.offset, 4);main_#t~short91#1 := 0 == main_#t~mem90#1 % 4294967296; 6289#L757-210 assume !main_#t~short91#1;havoc main_#t~mem88#1;havoc main_#t~mem87#1;havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;havoc main_#t~mem90#1;havoc main_#t~short91#1; 6309#L757-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 6384#L757-260 goto; 6421#L757-262 havoc main_~_ha_bkt~0#1; 6422#L757-263 goto; 6407#L757-265 goto; 6303#L757-267 havoc main_~_ha_hashv~0#1; 6304#L757-268 goto; 6402#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6391#L750-3 [2023-11-19 07:44:20,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:20,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 9 times [2023-11-19 07:44:20,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:20,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353285410] [2023-11-19 07:44:20,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:20,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:20,984 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:20,996 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:20,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:20,997 INFO L85 PathProgramCache]: Analyzing trace with hash 410425030, now seen corresponding path program 1 times [2023-11-19 07:44:20,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:20,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138073802] [2023-11-19 07:44:20,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:20,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:21,044 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:44:21,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [448172598] [2023-11-19 07:44:21,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:21,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:44:21,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:21,047 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:44:21,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-19 07:44:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:23,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 07:44:23,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:44:40,837 WARN L293 SmtUtils]: Spent 12.15s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-19 07:44:53,674 WARN L293 SmtUtils]: Spent 12.42s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-19 07:44:58,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:58,398 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:44:58,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:58,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138073802] [2023-11-19 07:44:58,398 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:44:58,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448172598] [2023-11-19 07:44:58,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448172598] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:58,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:58,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:44:58,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615502939] [2023-11-19 07:44:58,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:58,400 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:44:58,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:58,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:44:58,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:44:58,401 INFO L87 Difference]: Start difference. First operand 300 states and 410 transitions. cyclomatic complexity: 114 Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:45:03,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-19 07:45:04,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:04,254 INFO L93 Difference]: Finished difference Result 310 states and 424 transitions. [2023-11-19 07:45:04,254 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 310 states and 424 transitions. [2023-11-19 07:45:04,257 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 300 [2023-11-19 07:45:04,268 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 310 states to 310 states and 424 transitions. [2023-11-19 07:45:04,268 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 310 [2023-11-19 07:45:04,269 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 310 [2023-11-19 07:45:04,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 310 states and 424 transitions. [2023-11-19 07:45:04,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:45:04,270 INFO L218 hiAutomatonCegarLoop]: Abstraction has 310 states and 424 transitions. [2023-11-19 07:45:04,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states and 424 transitions. [2023-11-19 07:45:04,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 302. [2023-11-19 07:45:04,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 298 states have (on average 1.3657718120805369) internal successors, (407), 297 states have internal predecessors, (407), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 07:45:04,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 413 transitions. [2023-11-19 07:45:04,278 INFO L240 hiAutomatonCegarLoop]: Abstraction has 302 states and 413 transitions. [2023-11-19 07:45:04,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:45:04,279 INFO L428 stractBuchiCegarLoop]: Abstraction has 302 states and 413 transitions. [2023-11-19 07:45:04,280 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-19 07:45:04,280 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 302 states and 413 transitions. [2023-11-19 07:45:04,282 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 292 [2023-11-19 07:45:04,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:45:04,282 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:45:04,283 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:45:04,283 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:04,283 INFO L748 eck$LassoCheckResult]: Stem: 7301#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);~count_int_int~0 := 0; 7302#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~switch28#1, main_#t~mem29#1, main_#t~mem30#1, main_#t~mem31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc49#1.base, main_#t~malloc49#1.offset, main_#t~mem50#1.base, main_#t~mem50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~memset~res52#1.base, main_#t~memset~res52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~malloc58#1.base, main_#t~malloc58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~memset~res65#1.base, main_#t~memset~res65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1, main_#t~post76#1, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~nondet79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1, main_#t~post83#1, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem88#1, main_#t~mem87#1, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem90#1, main_#t~short91#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~malloc94#1.base, main_#t~malloc94#1.offset, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem97#1.base, main_#t~mem97#1.offset, main_#t~mem98#1, main_#t~memset~res99#1.base, main_#t~memset~res99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem104#1, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem103#1, main_#t~nondet105#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem109#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem108#1, main_#t~nondet110#1, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1.base, main_#t~mem117#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem121#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~nondet122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~pre125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem129#1, main_#t~post130#1, main_#t~mem134#1, main_#t~mem132#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem133#1, main_#t~mem135#1, main_#t~post136#1, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~post112#1, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem114#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~post146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem153#1, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1, main_#t~ite156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem159#1.base, main_#t~mem159#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~post5#1, main_#t~mem161#1, main_#t~mem162#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~ite164#1.base, main_#t~ite164#1.offset, main_#t~mem163#1.base, main_#t~mem163#1.offset, main_#t~mem167#1.base, main_#t~mem167#1.offset, main_#t~mem168#1.base, main_#t~mem168#1.offset, main_#t~short169#1, main_#t~mem170#1.base, main_#t~mem170#1.offset, main_#t~mem171#1.base, main_#t~mem171#1.offset, main_#t~mem172#1.base, main_#t~mem172#1.offset, main_#t~mem173#1.base, main_#t~mem173#1.offset, main_#t~mem174#1.base, main_#t~mem174#1.offset, main_#t~mem175#1.base, main_#t~mem175#1.offset, main_#t~mem176#1.base, main_#t~mem176#1.offset, main_#t~mem177#1.base, main_#t~mem177#1.offset, main_#t~mem178#1, main_#t~mem179#1.base, main_#t~mem179#1.offset, main_#t~mem180#1.base, main_#t~mem180#1.offset, main_#t~mem181#1.base, main_#t~mem181#1.offset, main_#t~mem182#1, main_#t~mem183#1.base, main_#t~mem183#1.offset, main_#t~mem184#1.base, main_#t~mem184#1.offset, main_#t~mem185#1.base, main_#t~mem185#1.offset, main_#t~mem186#1.base, main_#t~mem186#1.offset, main_#t~mem187#1.base, main_#t~mem187#1.offset, main_#t~mem188#1, main_#t~mem189#1.base, main_#t~mem189#1.offset, main_#t~mem192#1, main_#t~mem190#1.base, main_#t~mem190#1.offset, main_#t~mem191#1, main_#t~nondet193#1, main_#t~mem194#1.base, main_#t~mem194#1.offset, main_#t~mem195#1.base, main_#t~mem195#1.offset, main_#t~mem196#1, main_#t~post197#1, main_#t~mem198#1.base, main_#t~mem198#1.offset, main_#t~mem199#1.base, main_#t~mem199#1.offset, main_#t~mem200#1.base, main_#t~mem200#1.offset, main_#t~mem201#1.base, main_#t~mem201#1.offset, main_#t~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1.base, main_#t~mem203#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, main_#t~mem207#1, main_#t~post208#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~ite166#1.base, main_#t~ite166#1.offset, main_#t~mem165#1.base, main_#t~mem165#1.offset, main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;havoc main_~i~0#1;havoc main_~user~0#1.base, main_~user~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;main_~i~0#1 := 0; 7239#L750-3 [2023-11-19 07:45:04,285 INFO L750 eck$LassoCheckResult]: Loop: 7239#L750-3 assume !!(main_~i~0#1 < 10);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 7194#L752 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 7195#L752-2 call write~int(main_~i~0#1, main_~user~0#1.base, main_~user~0#1.offset, 4);call write~int(main_~i~0#1 * main_~i~0#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4); 7196#L757-269 havoc main_~_ha_hashv~0#1; 7277#L757-176 goto; 7252#L757-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 7253#L757-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 7361#L757-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch28#1 := 11 == main_~_hj_k~0#1; 7360#L757-73 assume !main_#t~switch28#1; 7356#L757-75 main_#t~switch28#1 := main_#t~switch28#1 || 10 == main_~_hj_k~0#1; 7355#L757-76 assume !main_#t~switch28#1; 7354#L757-78 main_#t~switch28#1 := main_#t~switch28#1 || 9 == main_~_hj_k~0#1; 7353#L757-79 assume !main_#t~switch28#1; 7352#L757-81 main_#t~switch28#1 := main_#t~switch28#1 || 8 == main_~_hj_k~0#1; 7351#L757-82 assume !main_#t~switch28#1; 7350#L757-84 main_#t~switch28#1 := main_#t~switch28#1 || 7 == main_~_hj_k~0#1; 7349#L757-85 assume !main_#t~switch28#1; 7348#L757-87 main_#t~switch28#1 := main_#t~switch28#1 || 6 == main_~_hj_k~0#1; 7347#L757-88 assume !main_#t~switch28#1; 7346#L757-90 main_#t~switch28#1 := main_#t~switch28#1 || 5 == main_~_hj_k~0#1; 7344#L757-91 assume !main_#t~switch28#1; 7315#L757-93 main_#t~switch28#1 := main_#t~switch28#1 || 4 == main_~_hj_k~0#1; 7145#L757-94 assume main_#t~switch28#1;call main_#t~mem36#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem36#1 % 256 % 4294967296);havoc main_#t~mem36#1; 7146#L757-96 main_#t~switch28#1 := main_#t~switch28#1 || 3 == main_~_hj_k~0#1; 7374#L757-97 assume main_#t~switch28#1;call main_#t~mem37#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem37#1 % 256 % 4294967296);havoc main_#t~mem37#1; 7373#L757-99 main_#t~switch28#1 := main_#t~switch28#1 || 2 == main_~_hj_k~0#1; 7372#L757-100 assume main_#t~switch28#1;call main_#t~mem38#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem38#1 % 256 % 4294967296);havoc main_#t~mem38#1; 7371#L757-102 main_#t~switch28#1 := main_#t~switch28#1 || 1 == main_~_hj_k~0#1; 7370#L757-103 assume main_#t~switch28#1;call main_#t~mem39#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + (if main_#t~mem39#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem39#1 % 256 % 4294967296 else main_#t~mem39#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem39#1; 7267#L757-105 havoc main_#t~switch28#1; 7369#L757-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 7367#L757-107 assume !(0 == main_~_hj_i~0#1 % 4294967296); 7366#L757-109 assume !(0 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296); 7365#L757-111 assume !(main_~_hj_i~0#1 % 4294967296 == main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296);assume main_#t~nondet40#1 % 4294967296 <= main_~_hj_i~0#1 % 4294967296 + main_~_ha_hashv~0#1 % 4294967296 / 8192 % 4294967296; 7364#L757-113 main_~_hj_i~0#1 := main_#t~nondet40#1;havoc main_#t~nondet40#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 7362#L757-114 assume !(0 == main_~_hj_j~0#1 % 4294967296); 7363#L757-116 assume 0 == 256 * (main_~_hj_i~0#1 % 4294967296) % 4294967296;main_#t~nondet41#1 := main_~_hj_j~0#1; 7325#L757-120 main_~_hj_j~0#1 := main_#t~nondet41#1;havoc main_#t~nondet41#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 7358#L757-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet42#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 7181#L757-127 main_~_ha_hashv~0#1 := main_#t~nondet42#1;havoc main_#t~nondet42#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 7182#L757-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet43#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 7205#L757-134 main_~_hj_i~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 7226#L757-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet44#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 7128#L757-141 main_~_hj_j~0#1 := main_#t~nondet44#1;havoc main_#t~nondet44#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 7129#L757-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet45#1 := main_~_hj_j~0#1 % 4294967296 / 32; 7190#L757-148 main_~_ha_hashv~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 7191#L757-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet46#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 7171#L757-155 main_~_hj_i~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 7234#L757-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet47#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 7235#L757-162 main_~_hj_j~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 7242#L757-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet48#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 7208#L757-169 main_~_ha_hashv~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#1; 7114#L757-170 goto; 7115#L757-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 7140#L757-173 goto; 7143#L757-175 goto; 7144#L757-266 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 7216#L757-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem66#1.base, main_#t~mem66#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem66#1.base, main_#t~mem66#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem66#1.base, main_#t~mem66#1.offset; 7218#L757-194 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem67#1.base, main_#t~mem67#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem68#1.base, main_#t~mem68#1.offset := read~$Pointer$(main_#t~mem67#1.base, 16 + main_#t~mem67#1.offset, 4);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem70#1 := read~int(main_#t~mem69#1.base, 20 + main_#t~mem69#1.offset, 4);call write~$Pointer$(main_#t~mem68#1.base, main_#t~mem68#1.offset - main_#t~mem70#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem67#1.base, main_#t~mem67#1.offset;havoc main_#t~mem68#1.base, main_#t~mem68#1.offset;havoc main_#t~mem69#1.base, main_#t~mem69#1.offset;havoc main_#t~mem70#1;call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_#t~mem71#1.base, 16 + main_#t~mem71#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem72#1.base, 8 + main_#t~mem72#1.offset, 4);havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;call main_#t~mem73#1.base, main_#t~mem73#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem73#1.base, 16 + main_#t~mem73#1.offset, 4);havoc main_#t~mem73#1.base, main_#t~mem73#1.offset; 7206#L757-193 goto; 7157#L757-264 havoc main_~_ha_bkt~0#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1 := read~int(main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);main_#t~post76#1 := main_#t~mem75#1;call write~int(1 + main_#t~post76#1, main_#t~mem74#1.base, 12 + main_#t~mem74#1.offset, 4);havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1;havoc main_#t~post76#1; 7158#L757-203 call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem78#1 := read~int(main_#t~mem77#1.base, 4 + main_#t~mem77#1.offset, 4); 7106#L757-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem78#1 - 1) % 4294967296;main_#t~nondet79#1 := 0; 7107#L757-201 main_~_ha_bkt~0#1 := main_#t~nondet79#1;havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;havoc main_#t~mem78#1;havoc main_#t~nondet79#1; 7162#L757-202 goto; 7177#L757-261 call main_#t~mem80#1.base, main_#t~mem80#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem81#1.base, main_#t~mem81#1.offset := read~$Pointer$(main_#t~mem80#1.base, main_#t~mem80#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem81#1.base, main_#t~mem81#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem80#1.base, main_#t~mem80#1.offset;havoc main_#t~mem81#1.base, main_#t~mem81#1.offset;call main_#t~mem82#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post83#1 := main_#t~mem82#1;call write~int(1 + main_#t~post83#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem82#1;havoc main_#t~post83#1;call main_#t~mem84#1.base, main_#t~mem84#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem84#1.base, main_#t~mem84#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem84#1.base, main_#t~mem84#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem85#1.base, main_#t~mem85#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 7323#L757-205 assume main_#t~mem85#1.base != 0 || main_#t~mem85#1.offset != 0;havoc main_#t~mem85#1.base, main_#t~mem85#1.offset;call main_#t~mem86#1.base, main_#t~mem86#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem86#1.base, 12 + main_#t~mem86#1.offset, 4);havoc main_#t~mem86#1.base, main_#t~mem86#1.offset; 7237#L757-207 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem88#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem87#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short91#1 := main_#t~mem88#1 % 4294967296 >= 10 * (1 + main_#t~mem87#1) % 4294967296; 7138#L757-208 assume main_#t~short91#1;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem90#1 := read~int(main_#t~mem89#1.base, 36 + main_#t~mem89#1.offset, 4);main_#t~short91#1 := 0 == main_#t~mem90#1 % 4294967296; 7139#L757-210 assume !main_#t~short91#1;havoc main_#t~mem88#1;havoc main_#t~mem87#1;havoc main_#t~mem89#1.base, main_#t~mem89#1.offset;havoc main_#t~mem90#1;havoc main_#t~short91#1; 7159#L757-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 7233#L757-260 goto; 7270#L757-262 havoc main_~_ha_bkt~0#1; 7271#L757-263 goto; 7258#L757-265 goto; 7155#L757-267 havoc main_~_ha_hashv~0#1; 7156#L757-268 goto; 7251#L750-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 7239#L750-3 [2023-11-19 07:45:04,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:04,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 10 times [2023-11-19 07:45:04,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:04,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907413331] [2023-11-19 07:45:04,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:04,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:45:04,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:45:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:45:04,320 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:45:04,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:04,322 INFO L85 PathProgramCache]: Analyzing trace with hash 866902094, now seen corresponding path program 1 times [2023-11-19 07:45:04,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:04,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59432975] [2023-11-19 07:45:04,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:04,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:04,365 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:04,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1779640214] [2023-11-19 07:45:04,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:04,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:04,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:04,368 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:04,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf01daac-56d2-4a6e-a6c8-43897c81cd06/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-19 07:45:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:04,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 07:45:04,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:05,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:45:05,131 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:45:05,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:05,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59432975] [2023-11-19 07:45:05,131 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:05,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779640214] [2023-11-19 07:45:05,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779640214] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:05,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:05,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:45:05,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354622762] [2023-11-19 07:45:05,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:05,133 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:45:05,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:05,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:45:05,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:45:05,133 INFO L87 Difference]: Start difference. First operand 302 states and 413 transitions. cyclomatic complexity: 115 Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)