./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:35:15,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:35:15,685 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:35:15,690 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:35:15,690 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:35:15,712 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:35:15,712 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:35:15,713 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:35:15,713 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:35:15,714 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:35:15,714 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:35:15,714 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:35:15,715 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:35:15,718 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:35:15,718 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:35:15,718 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:35:15,719 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:35:15,719 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:35:15,719 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:35:15,720 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:35:15,720 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:35:15,724 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:35:15,725 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:35:15,725 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:35:15,726 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:35:15,726 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:35:15,726 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:35:15,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:35:15,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:35:15,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:35:15,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:35:15,728 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:35:15,728 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:35:15,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:35:15,729 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:35:15,729 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:35:15,729 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:35:15,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:35:15,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:35:15,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:35:15,731 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:35:15,731 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:35:15,731 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:35:15,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:35:15,732 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:35:15,732 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:35:15,732 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:35:15,733 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 [2024-11-09 06:35:16,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:35:16,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:35:16,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:35:16,035 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:35:16,036 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:35:16,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-1.i Unable to find full path for "g++" [2024-11-09 06:35:17,982 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:35:18,315 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:35:18,316 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-1.i [2024-11-09 06:35:18,332 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/data/7999b8cb3/b095d2591b3b41aba47dbaef53a3d65f/FLAGa5fa9c082 [2024-11-09 06:35:18,583 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/data/7999b8cb3/b095d2591b3b41aba47dbaef53a3d65f [2024-11-09 06:35:18,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:35:18,587 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:35:18,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:35:18,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:35:18,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:35:18,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:35:18" (1/1) ... [2024-11-09 06:35:18,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b0dd72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:18, skipping insertion in model container [2024-11-09 06:35:18,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:35:18" (1/1) ... [2024-11-09 06:35:18,674 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:35:19,162 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-1.i[33519,33532] [2024-11-09 06:35:19,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:35:19,305 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:35:19,355 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-1.i[33519,33532] [2024-11-09 06:35:19,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:35:19,490 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:35:19,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:19 WrapperNode [2024-11-09 06:35:19,491 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:35:19,492 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:35:19,492 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:35:19,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:35:19,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:19" (1/1) ... [2024-11-09 06:35:19,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:19" (1/1) ... [2024-11-09 06:35:19,603 INFO L138 Inliner]: procedures = 176, calls = 169, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 779 [2024-11-09 06:35:19,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:35:19,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:35:19,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:35:19,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:35:19,635 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:19" (1/1) ... [2024-11-09 06:35:19,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:19" (1/1) ... [2024-11-09 06:35:19,645 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:19" (1/1) ... [2024-11-09 06:35:19,645 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:19" (1/1) ... [2024-11-09 06:35:19,693 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:19" (1/1) ... [2024-11-09 06:35:19,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:19" (1/1) ... [2024-11-09 06:35:19,709 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:19" (1/1) ... [2024-11-09 06:35:19,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:19" (1/1) ... [2024-11-09 06:35:19,719 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:35:19,720 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:35:19,720 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:35:19,720 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:35:19,721 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:19" (1/1) ... [2024-11-09 06:35:19,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:35:19,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:35:19,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:35:19,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:35:19,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:35:19,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:35:19,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 06:35:19,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 06:35:19,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:35:19,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:35:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:35:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:35:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:35:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:35:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:35:19,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:35:20,063 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:35:20,066 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:35:21,258 INFO L? ?]: Removed 196 outVars from TransFormulas that were not future-live. [2024-11-09 06:35:21,258 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:35:22,191 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:35:22,192 INFO L316 CfgBuilder]: Removed 27 assume(true) statements. [2024-11-09 06:35:22,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:35:22 BoogieIcfgContainer [2024-11-09 06:35:22,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:35:22,195 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:35:22,196 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:35:22,200 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:35:22,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:35:18" (1/3) ... [2024-11-09 06:35:22,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc973f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:35:22, skipping insertion in model container [2024-11-09 06:35:22,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:19" (2/3) ... [2024-11-09 06:35:22,205 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc973f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:35:22, skipping insertion in model container [2024-11-09 06:35:22,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:35:22" (3/3) ... [2024-11-09 06:35:22,208 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_nondet_test1-1.i [2024-11-09 06:35:22,229 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:35:22,229 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:35:22,320 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:35:22,328 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@19db48f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:35:22,329 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:35:22,334 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 64 states have (on average 1.6875) internal successors, (108), 65 states have internal predecessors, (108), 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) [2024-11-09 06:35:22,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 06:35:22,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:35:22,342 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:35:22,343 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:35:22,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:35:22,353 INFO L85 PathProgramCache]: Analyzing trace with hash 147024869, now seen corresponding path program 1 times [2024-11-09 06:35:22,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:35:22,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784288208] [2024-11-09 06:35:22,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:35:22,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:35:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:35:22,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:35:22,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:35:22,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784288208] [2024-11-09 06:35:22,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784288208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:35:22,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:35:22,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:35:22,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458707911] [2024-11-09 06:35:22,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:35:22,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:35:22,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:35:22,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:35:22,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:35:22,676 INFO L87 Difference]: Start difference. First operand has 70 states, 64 states have (on average 1.6875) internal successors, (108), 65 states have internal predecessors, (108), 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 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:35:24,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:35:26,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:35:28,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:35:30,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:35:32,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:35:34,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:35:36,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:35:36,324 INFO L93 Difference]: Finished difference Result 196 states and 326 transitions. [2024-11-09 06:35:36,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:35:36,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 06:35:36,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:35:36,341 INFO L225 Difference]: With dead ends: 196 [2024-11-09 06:35:36,341 INFO L226 Difference]: Without dead ends: 125 [2024-11-09 06:35:36,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:35:36,353 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 60 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2024-11-09 06:35:36,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 146 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 6 Unknown, 0 Unchecked, 13.6s Time] [2024-11-09 06:35:36,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-09 06:35:36,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 70. [2024-11-09 06:35:36,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 65 states have (on average 1.1846153846153846) internal successors, (77), 65 states have internal predecessors, (77), 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) [2024-11-09 06:35:36,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 83 transitions. [2024-11-09 06:35:36,426 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 83 transitions. Word has length 7 [2024-11-09 06:35:36,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:35:36,426 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 83 transitions. [2024-11-09 06:35:36,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:35:36,427 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 83 transitions. [2024-11-09 06:35:36,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 06:35:36,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:35:36,430 INFO L215 NwaCegarLoop]: trace 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] [2024-11-09 06:35:36,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:35:36,431 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:35:36,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:35:36,432 INFO L85 PathProgramCache]: Analyzing trace with hash -926114224, now seen corresponding path program 1 times [2024-11-09 06:35:36,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:35:36,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691070092] [2024-11-09 06:35:36,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:35:36,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:35:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:35:37,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:35:37,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:35:37,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691070092] [2024-11-09 06:35:37,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691070092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:35:37,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:35:37,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:35:37,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422342478] [2024-11-09 06:35:37,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:35:37,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:35:37,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:35:37,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:35:37,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:35:37,021 INFO L87 Difference]: Start difference. First operand 70 states and 83 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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) [2024-11-09 06:35:39,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:35:41,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:35:43,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:35:45,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:35:47,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:35:49,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:35:50,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:35:51,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:35:51,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:35:51,532 INFO L93 Difference]: Finished difference Result 153 states and 182 transitions. [2024-11-09 06:35:51,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:35:51,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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) Word has length 36 [2024-11-09 06:35:51,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:35:51,539 INFO L225 Difference]: With dead ends: 153 [2024-11-09 06:35:51,539 INFO L226 Difference]: Without dead ends: 86 [2024-11-09 06:35:51,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:35:51,541 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 6 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:35:51,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 131 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 6 Unknown, 0 Unchecked, 14.5s Time] [2024-11-09 06:35:51,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-09 06:35:51,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-09 06:35:51,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 81 states have (on average 1.1728395061728396) internal successors, (95), 81 states have internal predecessors, (95), 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) [2024-11-09 06:35:51,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 101 transitions. [2024-11-09 06:35:51,551 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 101 transitions. Word has length 36 [2024-11-09 06:35:51,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:35:51,552 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 101 transitions. [2024-11-09 06:35:51,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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) [2024-11-09 06:35:51,552 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions. [2024-11-09 06:35:51,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 06:35:51,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:35:51,553 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:35:51,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:35:51,554 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:35:51,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:35:51,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1521936656, now seen corresponding path program 1 times [2024-11-09 06:35:51,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:35:51,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544657222] [2024-11-09 06:35:51,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:35:51,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:35:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:35:51,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 06:35:51,871 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:35:51,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544657222] [2024-11-09 06:35:51,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544657222] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:35:51,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713101206] [2024-11-09 06:35:51,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:35:51,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:35:51,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:35:51,875 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:35:51,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:35:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:35:52,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:35:52,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:35:52,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 06:35:52,403 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:35:52,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 06:35:52,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713101206] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:35:52,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1344116753] [2024-11-09 06:35:52,563 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2024-11-09 06:35:52,563 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:35:52,567 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:35:52,573 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:35:52,574 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:35:56,621 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 204 for LOIs [2024-11-09 06:35:56,857 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:36:21,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1344116753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:36:21,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:36:21,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4, 4] total 17 [2024-11-09 06:36:21,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636050265] [2024-11-09 06:36:21,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:36:21,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:36:21,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:36:21,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:36:21,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=185, Unknown=8, NotChecked=0, Total=272 [2024-11-09 06:36:21,370 INFO L87 Difference]: Start difference. First operand 86 states and 101 transitions. Second operand has 13 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 11 states have internal predecessors, (43), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:36:23,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:26,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:28,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:30,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:33,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:35,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:37,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:39,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:41,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:43,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:45,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:47,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:49,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:51,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:53,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:55,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:57,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:36:59,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:01,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:03,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:06,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:09,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:11,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:14,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:22,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:24,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:26,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:28,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:30,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:32,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:34,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:36,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:38,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:40,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:42,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:44,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:46,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:48,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:50,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:52,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:54,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:57,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:38:00,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 06:38:01,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 06:38:02,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:38:02,665 INFO L93 Difference]: Finished difference Result 167 states and 199 transitions. [2024-11-09 06:38:02,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 06:38:02,669 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 11 states have internal predecessors, (43), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 49 [2024-11-09 06:38:02,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:38:02,672 INFO L225 Difference]: With dead ends: 167 [2024-11-09 06:38:02,672 INFO L226 Difference]: Without dead ends: 87 [2024-11-09 06:38:02,672 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 133 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 24.5s TimeCoverageRelationStatistics Valid=79, Invalid=185, Unknown=8, NotChecked=0, Total=272 [2024-11-09 06:38:02,673 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 6 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 1 mSolverCounterUnsat, 40 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 99.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 40 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 101.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:38:02,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 491 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 462 Invalid, 40 Unknown, 0 Unchecked, 101.2s Time] [2024-11-09 06:38:02,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-09 06:38:02,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-09 06:38:02,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 81 states have (on average 1.1481481481481481) internal successors, (93), 81 states have internal predecessors, (93), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 06:38:02,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 101 transitions. [2024-11-09 06:38:02,691 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 101 transitions. Word has length 49 [2024-11-09 06:38:02,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:38:02,692 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 101 transitions. [2024-11-09 06:38:02,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 11 states have internal predecessors, (43), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:38:02,692 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2024-11-09 06:38:02,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 06:38:02,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:38:02,693 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:38:02,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 06:38:02,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-09 06:38:02,895 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:38:02,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:38:02,896 INFO L85 PathProgramCache]: Analyzing trace with hash 698702916, now seen corresponding path program 1 times [2024-11-09 06:38:02,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:38:02,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304891621] [2024-11-09 06:38:02,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:38:02,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:38:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:38:03,271 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 06:38:03,272 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:38:03,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304891621] [2024-11-09 06:38:03,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304891621] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:38:03,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298274026] [2024-11-09 06:38:03,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:38:03,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:38:03,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:38:03,276 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:38:03,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 06:38:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:38:03,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:38:03,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:38:03,759 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 06:38:03,760 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:38:03,939 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 06:38:03,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298274026] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:38:03,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [272255620] [2024-11-09 06:38:03,943 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2024-11-09 06:38:03,944 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:38:03,944 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:38:03,944 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:38:03,945 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:38:39,356 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 384 for LOIs [2024-11-09 06:38:45,114 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:40:04,003 WARN L286 SmtUtils]: Spent 38.26s on a formula simplification. DAG size of input: 384 DAG size of output: 373 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:40:19,187 WARN L286 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 176 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:40:28,058 WARN L286 SmtUtils]: Spent 5.44s on a formula simplification that was a NOOP. DAG size: 181 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:41:14,187 WARN L286 SmtUtils]: Spent 18.34s on a formula simplification that was a NOOP. DAG size: 214 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:42:06,787 WARN L286 SmtUtils]: Spent 21.72s on a formula simplification that was a NOOP. DAG size: 208 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:43:00,596 WARN L286 SmtUtils]: Spent 25.41s on a formula simplification that was a NOOP. DAG size: 212 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:43:02,608 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((|v_#memory_$Pointer$.base_300| (Array Int (Array Int Int))) (|v_#memory_int_343| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_300| (Array Int (Array Int Int)))) (let ((.cse1 (+ (select (select |v_#memory_$Pointer$.offset_300| |c_ULTIMATE.start_main_~users~0#1.base|) 8) 12)) (.cse0 (select (select |v_#memory_$Pointer$.base_300| |c_ULTIMATE.start_main_~users~0#1.base|) 8))) (and (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_300| .cse0 (store (select |v_#memory_$Pointer$.base_300| .cse0) .cse1 (select (select |c_#memory_$Pointer$.base| .cse0) .cse1)))) (= (store |v_#memory_$Pointer$.offset_300| .cse0 (store (select |v_#memory_$Pointer$.offset_300| .cse0) .cse1 (select (select |c_#memory_$Pointer$.offset| .cse0) .cse1))) |c_#memory_$Pointer$.offset|) (= (store |v_#memory_int_343| .cse0 (let ((.cse2 (select |v_#memory_int_343| .cse0))) (store .cse2 .cse1 (+ (select .cse2 .cse1) 1)))) |c_#memory_int|)))) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (let ((.cse24 (exists ((|v_#Ultimate.C_memset_#t~loopctr160_27| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr160_27|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr160_27| 4294967296)))))) (or (and (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_#valid_50| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_17| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_#length_38| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_#memory_int_342| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| (Array Int (Array Int Int))) (|v_#memory_int_102| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_299| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_299| (Array Int (Array Int Int)))) (let ((.cse22 (select (select |v_#memory_$Pointer$.base_299| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse23 (+ (select (select |v_#memory_$Pointer$.offset_299| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 16)) (.cse14 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse15 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse8 (store |v_#memory_$Pointer$.offset_96| .cse14 (store (select |v_#memory_$Pointer$.offset_96| .cse14) .cse15 0))) (.cse21 (store |v_#memory_$Pointer$.base_96| .cse14 (store (select |v_#memory_$Pointer$.base_96| .cse14) .cse15 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|))) (.cse20 (store |v_#memory_$Pointer$.offset_299| .cse22 (store (select |v_#memory_$Pointer$.offset_299| .cse22) .cse23 8))) (.cse5 (store |v_#memory_$Pointer$.base_299| .cse22 (store (select |v_#memory_$Pointer$.base_299| .cse22) .cse23 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse6 (select (select .cse5 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse7 (+ (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse9 (select (select .cse21 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse10 (+ 40 (select (select .cse8 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse11 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse12 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse18 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8))) (and (let ((.cse3 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse4 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| .cse3) .cse4) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| .cse3) .cse4) 0)))) (= |v_#memory_$Pointer$.base_95| (store .cse5 .cse6 (store (select .cse5 .cse6) .cse7 (select (select |v_#memory_$Pointer$.base_95| .cse6) .cse7)))) (= |c_#length| (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| (store .cse8 .cse9 (store (select .cse8 .cse9) .cse10 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| .cse9) .cse10)))) (= (store |v_#memory_$Pointer$.base_97| .cse11 (store (select |v_#memory_$Pointer$.base_97| .cse11) .cse12 (select (select |v_#memory_$Pointer$.base_96| .cse11) .cse12))) |v_#memory_$Pointer$.base_96|) (= (let ((.cse13 (let ((.cse16 (let ((.cse17 (store |v_#memory_int_102| .cse6 (store (select |v_#memory_int_102| .cse6) .cse7 32)))) (store .cse17 .cse18 (store (select .cse17 .cse18) .cse19 5))))) (store .cse16 .cse11 (store (select .cse16 .cse11) .cse12 8))))) (store .cse13 .cse14 (store (select .cse13 .cse14) .cse15 (select (select |v_#memory_int_103| .cse14) .cse15)))) |v_#memory_int_103|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (= (store .cse20 .cse6 (store (select .cse20 .cse6) .cse7 (select (select |v_#memory_$Pointer$.offset_97| .cse6) .cse7))) |v_#memory_$Pointer$.offset_97|) (= (store .cse21 .cse9 (store (select .cse21 .cse9) .cse10 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| .cse9) .cse10))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_17|) (= (store |v_#memory_$Pointer$.offset_95| .cse11 (store (select |v_#memory_$Pointer$.offset_95| .cse11) .cse12 (select (select |v_#memory_$Pointer$.offset_96| .cse11) .cse12))) |v_#memory_$Pointer$.offset_96|) (= 0 (select |v_#valid_50| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|)) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= |c_#valid| (store |v_#valid_50| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= (store |v_#memory_$Pointer$.base_95| .cse18 (store (select |v_#memory_$Pointer$.base_95| .cse18) .cse19 (select (select |v_#memory_$Pointer$.base_97| .cse18) .cse19))) |v_#memory_$Pointer$.base_97|) (= (store |v_#memory_$Pointer$.offset_97| .cse18 (store (select |v_#memory_$Pointer$.offset_97| .cse18) .cse19 (select (select |v_#memory_$Pointer$.offset_95| .cse18) .cse19))) |v_#memory_$Pointer$.offset_95|) (= |v_#memory_int_102| (store |v_#memory_int_342| .cse22 (store (select |v_#memory_int_342| .cse22) .cse23 (select (select |v_#memory_int_102| .cse22) .cse23))))))))) .cse24) (and (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_#valid_50| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_18| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_#length_38| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_#memory_int_342| (Array Int (Array Int Int))) (|v_#memory_int_102| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_299| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_299| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| (Array Int (Array Int Int)))) (let ((.cse44 (select (select |v_#memory_$Pointer$.base_299| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse45 (+ (select (select |v_#memory_$Pointer$.offset_299| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 16)) (.cse31 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse43 (store |v_#memory_$Pointer$.offset_96| .cse31 (store (select |v_#memory_$Pointer$.offset_96| .cse31) .cse32 0))) (.cse40 (store |v_#memory_$Pointer$.base_96| .cse31 (store (select |v_#memory_$Pointer$.base_96| .cse31) .cse32 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|))) (.cse37 (store |v_#memory_$Pointer$.offset_299| .cse44 (store (select |v_#memory_$Pointer$.offset_299| .cse44) .cse45 8))) (.cse25 (store |v_#memory_$Pointer$.base_299| .cse44 (store (select |v_#memory_$Pointer$.base_299| .cse44) .cse45 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse26 (select (select .cse25 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse27 (+ (select (select .cse37 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse28 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse29 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse35 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse36 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse41 (select (select .cse40 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse42 (+ 40 (select (select .cse43 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= |v_#memory_$Pointer$.base_95| (store .cse25 .cse26 (store (select .cse25 .cse26) .cse27 (select (select |v_#memory_$Pointer$.base_95| .cse26) .cse27)))) (= |c_#length| (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384)) (= (store |v_#memory_$Pointer$.base_97| .cse28 (store (select |v_#memory_$Pointer$.base_97| .cse28) .cse29 (select (select |v_#memory_$Pointer$.base_96| .cse28) .cse29))) |v_#memory_$Pointer$.base_96|) (= (let ((.cse30 (let ((.cse33 (let ((.cse34 (store |v_#memory_int_102| .cse26 (store (select |v_#memory_int_102| .cse26) .cse27 32)))) (store .cse34 .cse35 (store (select .cse34 .cse35) .cse36 5))))) (store .cse33 .cse28 (store (select .cse33 .cse28) .cse29 8))))) (store .cse30 .cse31 (store (select .cse30 .cse31) .cse32 (select (select |v_#memory_int_103| .cse31) .cse32)))) |v_#memory_int_103|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (= (store .cse37 .cse26 (store (select .cse37 .cse26) .cse27 (select (select |v_#memory_$Pointer$.offset_97| .cse26) .cse27))) |v_#memory_$Pointer$.offset_97|) (let ((.cse38 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse39 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| .cse38) .cse39) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| .cse38) .cse39) 0)))) (= (store |v_#memory_$Pointer$.offset_95| .cse28 (store (select |v_#memory_$Pointer$.offset_95| .cse28) .cse29 (select (select |v_#memory_$Pointer$.offset_96| .cse28) .cse29))) |v_#memory_$Pointer$.offset_96|) (= 0 (select |v_#valid_50| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|)) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| (store .cse40 .cse41 (store (select .cse40 .cse41) .cse42 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| .cse41) .cse42)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= |c_#valid| (store |v_#valid_50| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= (store |v_#memory_$Pointer$.base_95| .cse35 (store (select |v_#memory_$Pointer$.base_95| .cse35) .cse36 (select (select |v_#memory_$Pointer$.base_97| .cse35) .cse36))) |v_#memory_$Pointer$.base_97|) (= (store |v_#memory_$Pointer$.offset_97| .cse35 (store (select |v_#memory_$Pointer$.offset_97| .cse35) .cse36 (select (select |v_#memory_$Pointer$.offset_95| .cse35) .cse36))) |v_#memory_$Pointer$.offset_95|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| (store .cse43 .cse41 (store (select .cse43 .cse41) .cse42 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| .cse41) .cse42)))) (= |v_#memory_int_102| (store |v_#memory_int_342| .cse44 (store (select |v_#memory_int_342| .cse44) .cse45 (select (select |v_#memory_int_102| .cse44) .cse45))))))))) .cse24))) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|)) is different from false [2024-11-09 06:43:04,676 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((|v_#memory_$Pointer$.base_300| (Array Int (Array Int Int))) (|v_#memory_int_343| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_300| (Array Int (Array Int Int)))) (let ((.cse1 (+ (select (select |v_#memory_$Pointer$.offset_300| |c_ULTIMATE.start_main_~users~0#1.base|) 8) 12)) (.cse0 (select (select |v_#memory_$Pointer$.base_300| |c_ULTIMATE.start_main_~users~0#1.base|) 8))) (and (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_300| .cse0 (store (select |v_#memory_$Pointer$.base_300| .cse0) .cse1 (select (select |c_#memory_$Pointer$.base| .cse0) .cse1)))) (= (store |v_#memory_$Pointer$.offset_300| .cse0 (store (select |v_#memory_$Pointer$.offset_300| .cse0) .cse1 (select (select |c_#memory_$Pointer$.offset| .cse0) .cse1))) |c_#memory_$Pointer$.offset|) (= (store |v_#memory_int_343| .cse0 (let ((.cse2 (select |v_#memory_int_343| .cse0))) (store .cse2 .cse1 (+ (select .cse2 .cse1) 1)))) |c_#memory_int|)))) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (let ((.cse24 (exists ((|v_#Ultimate.C_memset_#t~loopctr160_27| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr160_27|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr160_27| 4294967296)))))) (or (and (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_#valid_50| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_17| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_#length_38| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_#memory_int_342| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| (Array Int (Array Int Int))) (|v_#memory_int_102| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_299| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_299| (Array Int (Array Int Int)))) (let ((.cse22 (select (select |v_#memory_$Pointer$.base_299| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse23 (+ (select (select |v_#memory_$Pointer$.offset_299| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 16)) (.cse14 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse15 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse8 (store |v_#memory_$Pointer$.offset_96| .cse14 (store (select |v_#memory_$Pointer$.offset_96| .cse14) .cse15 0))) (.cse21 (store |v_#memory_$Pointer$.base_96| .cse14 (store (select |v_#memory_$Pointer$.base_96| .cse14) .cse15 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|))) (.cse20 (store |v_#memory_$Pointer$.offset_299| .cse22 (store (select |v_#memory_$Pointer$.offset_299| .cse22) .cse23 8))) (.cse5 (store |v_#memory_$Pointer$.base_299| .cse22 (store (select |v_#memory_$Pointer$.base_299| .cse22) .cse23 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse6 (select (select .cse5 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse7 (+ (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse9 (select (select .cse21 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse10 (+ 40 (select (select .cse8 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse11 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse12 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse18 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8))) (and (let ((.cse3 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse4 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| .cse3) .cse4) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| .cse3) .cse4) 0)))) (= |v_#memory_$Pointer$.base_95| (store .cse5 .cse6 (store (select .cse5 .cse6) .cse7 (select (select |v_#memory_$Pointer$.base_95| .cse6) .cse7)))) (= |c_#length| (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| (store .cse8 .cse9 (store (select .cse8 .cse9) .cse10 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| .cse9) .cse10)))) (= (store |v_#memory_$Pointer$.base_97| .cse11 (store (select |v_#memory_$Pointer$.base_97| .cse11) .cse12 (select (select |v_#memory_$Pointer$.base_96| .cse11) .cse12))) |v_#memory_$Pointer$.base_96|) (= (let ((.cse13 (let ((.cse16 (let ((.cse17 (store |v_#memory_int_102| .cse6 (store (select |v_#memory_int_102| .cse6) .cse7 32)))) (store .cse17 .cse18 (store (select .cse17 .cse18) .cse19 5))))) (store .cse16 .cse11 (store (select .cse16 .cse11) .cse12 8))))) (store .cse13 .cse14 (store (select .cse13 .cse14) .cse15 (select (select |v_#memory_int_103| .cse14) .cse15)))) |v_#memory_int_103|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (= (store .cse20 .cse6 (store (select .cse20 .cse6) .cse7 (select (select |v_#memory_$Pointer$.offset_97| .cse6) .cse7))) |v_#memory_$Pointer$.offset_97|) (= (store .cse21 .cse9 (store (select .cse21 .cse9) .cse10 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| .cse9) .cse10))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_17|) (= (store |v_#memory_$Pointer$.offset_95| .cse11 (store (select |v_#memory_$Pointer$.offset_95| .cse11) .cse12 (select (select |v_#memory_$Pointer$.offset_96| .cse11) .cse12))) |v_#memory_$Pointer$.offset_96|) (= 0 (select |v_#valid_50| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|)) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= |c_#valid| (store |v_#valid_50| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= (store |v_#memory_$Pointer$.base_95| .cse18 (store (select |v_#memory_$Pointer$.base_95| .cse18) .cse19 (select (select |v_#memory_$Pointer$.base_97| .cse18) .cse19))) |v_#memory_$Pointer$.base_97|) (= (store |v_#memory_$Pointer$.offset_97| .cse18 (store (select |v_#memory_$Pointer$.offset_97| .cse18) .cse19 (select (select |v_#memory_$Pointer$.offset_95| .cse18) .cse19))) |v_#memory_$Pointer$.offset_95|) (= |v_#memory_int_102| (store |v_#memory_int_342| .cse22 (store (select |v_#memory_int_342| .cse22) .cse23 (select (select |v_#memory_int_102| .cse22) .cse23))))))))) .cse24) (and (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_#valid_50| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_18| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_#length_38| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_#memory_int_342| (Array Int (Array Int Int))) (|v_#memory_int_102| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_299| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_299| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| (Array Int (Array Int Int)))) (let ((.cse44 (select (select |v_#memory_$Pointer$.base_299| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse45 (+ (select (select |v_#memory_$Pointer$.offset_299| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 16)) (.cse31 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse43 (store |v_#memory_$Pointer$.offset_96| .cse31 (store (select |v_#memory_$Pointer$.offset_96| .cse31) .cse32 0))) (.cse40 (store |v_#memory_$Pointer$.base_96| .cse31 (store (select |v_#memory_$Pointer$.base_96| .cse31) .cse32 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|))) (.cse37 (store |v_#memory_$Pointer$.offset_299| .cse44 (store (select |v_#memory_$Pointer$.offset_299| .cse44) .cse45 8))) (.cse25 (store |v_#memory_$Pointer$.base_299| .cse44 (store (select |v_#memory_$Pointer$.base_299| .cse44) .cse45 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse26 (select (select .cse25 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse27 (+ (select (select .cse37 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse28 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse29 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse35 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse36 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse41 (select (select .cse40 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse42 (+ 40 (select (select .cse43 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= |v_#memory_$Pointer$.base_95| (store .cse25 .cse26 (store (select .cse25 .cse26) .cse27 (select (select |v_#memory_$Pointer$.base_95| .cse26) .cse27)))) (= |c_#length| (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384)) (= (store |v_#memory_$Pointer$.base_97| .cse28 (store (select |v_#memory_$Pointer$.base_97| .cse28) .cse29 (select (select |v_#memory_$Pointer$.base_96| .cse28) .cse29))) |v_#memory_$Pointer$.base_96|) (= (let ((.cse30 (let ((.cse33 (let ((.cse34 (store |v_#memory_int_102| .cse26 (store (select |v_#memory_int_102| .cse26) .cse27 32)))) (store .cse34 .cse35 (store (select .cse34 .cse35) .cse36 5))))) (store .cse33 .cse28 (store (select .cse33 .cse28) .cse29 8))))) (store .cse30 .cse31 (store (select .cse30 .cse31) .cse32 (select (select |v_#memory_int_103| .cse31) .cse32)))) |v_#memory_int_103|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (= (store .cse37 .cse26 (store (select .cse37 .cse26) .cse27 (select (select |v_#memory_$Pointer$.offset_97| .cse26) .cse27))) |v_#memory_$Pointer$.offset_97|) (let ((.cse38 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse39 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| .cse38) .cse39) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| .cse38) .cse39) 0)))) (= (store |v_#memory_$Pointer$.offset_95| .cse28 (store (select |v_#memory_$Pointer$.offset_95| .cse28) .cse29 (select (select |v_#memory_$Pointer$.offset_96| .cse28) .cse29))) |v_#memory_$Pointer$.offset_96|) (= 0 (select |v_#valid_50| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|)) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| (store .cse40 .cse41 (store (select .cse40 .cse41) .cse42 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| .cse41) .cse42)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= |c_#valid| (store |v_#valid_50| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= (store |v_#memory_$Pointer$.base_95| .cse35 (store (select |v_#memory_$Pointer$.base_95| .cse35) .cse36 (select (select |v_#memory_$Pointer$.base_97| .cse35) .cse36))) |v_#memory_$Pointer$.base_97|) (= (store |v_#memory_$Pointer$.offset_97| .cse35 (store (select |v_#memory_$Pointer$.offset_97| .cse35) .cse36 (select (select |v_#memory_$Pointer$.offset_95| .cse35) .cse36))) |v_#memory_$Pointer$.offset_95|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| (store .cse43 .cse41 (store (select .cse43 .cse41) .cse42 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| .cse41) .cse42)))) (= |v_#memory_int_102| (store |v_#memory_int_342| .cse44 (store (select |v_#memory_int_342| .cse44) .cse45 (select (select |v_#memory_int_102| .cse44) .cse45))))))))) .cse24))) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|) (let ((.cse50 (mod (+ (select (select |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) 8)) (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) 8) 4)) 4294967295) 4294967296)) (.cse51 (mod |c_ULTIMATE.start_main_~_ha_hashv~0#1| 4294967296))) (let ((.cse46 (= .cse51 0)) (.cse47 (= .cse50 0))) (or (and (= |c_ULTIMATE.start_main_~_ha_bkt~0#1| 0) (or .cse46 .cse47)) (and (not .cse46) (let ((.cse48 (= .cse50 .cse51))) (or (and (= |c_ULTIMATE.start_main_~_ha_bkt~0#1| |c_ULTIMATE.start_main_~_ha_hashv~0#1|) .cse48) (let ((.cse49 (mod |c_ULTIMATE.start_main_~_ha_bkt~0#1| 4294967296))) (and (not .cse48) (<= .cse49 .cse50) (<= .cse49 .cse51))))) (not .cse47)))))) is different from false [2024-11-09 06:43:22,507 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1725#(<= 1 |#StackHeapBarrier|)' at error location [2024-11-09 06:43:22,507 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 06:43:22,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:43:22,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-09 06:43:22,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387886717] [2024-11-09 06:43:22,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:43:22,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:43:22,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:43:22,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:43:22,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=754, Unknown=60, NotChecked=118, Total=1056 [2024-11-09 06:43:22,511 INFO L87 Difference]: Start difference. First operand 87 states and 101 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 06:43:24,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:43:26,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:43:28,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:43:30,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:43:32,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:43:34,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:43:36,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:43:39,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:43:41,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:43:43,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:43:45,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:43:47,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:43:49,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:43:52,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:43:52,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:43:52,430 INFO L93 Difference]: Finished difference Result 243 states and 289 transitions. [2024-11-09 06:43:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:43:52,431 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2024-11-09 06:43:52,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:43:52,434 INFO L225 Difference]: With dead ends: 243 [2024-11-09 06:43:52,434 INFO L226 Difference]: Without dead ends: 236 [2024-11-09 06:43:52,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 119 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 277.4s TimeCoverageRelationStatistics Valid=124, Invalid=754, Unknown=60, NotChecked=118, Total=1056 [2024-11-09 06:43:52,436 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 207 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 6 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:43:52,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 249 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 65 Invalid, 13 Unknown, 0 Unchecked, 29.9s Time] [2024-11-09 06:43:52,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-09 06:43:52,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2024-11-09 06:43:52,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 222 states have (on average 1.1306306306306306) internal successors, (251), 221 states have internal predecessors, (251), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 06:43:52,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 275 transitions. [2024-11-09 06:43:52,469 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 275 transitions. Word has length 50 [2024-11-09 06:43:52,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:43:52,470 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 275 transitions. [2024-11-09 06:43:52,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 06:43:52,470 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 275 transitions. [2024-11-09 06:43:52,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 06:43:52,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:43:52,476 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:43:52,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 06:43:52,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-09 06:43:52,677 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:43:52,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:43:52,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1662335793, now seen corresponding path program 1 times [2024-11-09 06:43:52,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:43:52,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962181838] [2024-11-09 06:43:52,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:43:52,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:43:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:43:53,787 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 7 proven. 36 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-09 06:43:53,787 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:43:53,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962181838] [2024-11-09 06:43:53,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962181838] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:43:53,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830348532] [2024-11-09 06:43:53,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:43:53,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:43:53,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:43:53,790 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:43:53,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 06:43:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:43:54,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 1213 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 06:43:54,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:43:55,186 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 06:43:55,186 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:43:55,939 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 06:43:55,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830348532] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:43:55,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1101989112] [2024-11-09 06:43:55,944 INFO L159 IcfgInterpreter]: Started Sifa with 48 locations of interest [2024-11-09 06:43:55,944 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:43:55,945 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:43:55,945 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:43:55,945 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:44:23,141 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 204 for LOIs [2024-11-09 06:44:23,432 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:44:59,578 WARN L286 SmtUtils]: Spent 20.46s on a formula simplification. DAG size of input: 204 DAG size of output: 201 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:45:12,138 WARN L286 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 176 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:45:21,228 WARN L286 SmtUtils]: Spent 7.08s on a formula simplification that was a NOOP. DAG size: 181 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:45:23,250 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (let ((.cse0 (exists ((|v_#Ultimate.C_memset_#t~loopctr160_41| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr160_41| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr160_41|))))) (or (and .cse0 (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_424| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| (Array Int (Array Int Int))) (|v_#valid_71| (Array Int Int)) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_32| (Array Int (Array Int Int))) (|v_#length_59| (Array Int Int)) (|v_#memory_$Pointer$.base_424| (Array Int (Array Int Int))) (|v_#memory_int_485| (Array Int (Array Int Int))) (|v_#memory_int_102| (Array Int (Array Int Int)))) (let ((.cse18 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse9 (select (select |v_#memory_$Pointer$.base_424| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse10 (+ (select (select |v_#memory_$Pointer$.offset_424| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 16))) (let ((.cse11 (store |v_#memory_$Pointer$.offset_424| .cse9 (store (select |v_#memory_$Pointer$.offset_424| .cse9) .cse10 8))) (.cse14 (store |v_#memory_$Pointer$.base_424| .cse9 (store (select |v_#memory_$Pointer$.base_424| .cse9) .cse10 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse22 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_32| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse23 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse6 (store |v_#memory_$Pointer$.offset_96| .cse18 (store (select |v_#memory_$Pointer$.offset_96| .cse18) .cse19 0))) (.cse1 (store |v_#memory_$Pointer$.base_96| .cse18 (store (select |v_#memory_$Pointer$.base_96| .cse18) .cse19 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|)))) (let ((.cse2 (select (select .cse1 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse3 (+ 40 (select (select .cse6 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse5 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_32| .cse22) .cse23)) (.cse7 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse8 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse15 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse16 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse12 (select (select .cse14 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (+ (select (select .cse11 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse4 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| .cse22) .cse23))) (and (= (select |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|) 0) (= |c_#valid| (store |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_32| (store .cse1 .cse2 (store (select .cse1 .cse2) .cse3 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_32| .cse2) .cse3)))) (= (store |v_#length_59| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384) |c_#length|) (or (not (= .cse4 0)) (not (= .cse5 0))) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| (store .cse6 .cse2 (store (select .cse6 .cse2) .cse3 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| .cse2) .cse3)))) (= (store |v_#memory_$Pointer$.base_97| .cse7 (store (select |v_#memory_$Pointer$.base_97| .cse7) .cse8 (select (select |v_#memory_$Pointer$.base_96| .cse7) .cse8))) |v_#memory_$Pointer$.base_96|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (= (store |v_#memory_int_485| .cse9 (store (select |v_#memory_int_485| .cse9) .cse10 (select (select |v_#memory_int_102| .cse9) .cse10))) |v_#memory_int_102|) (= (store .cse11 .cse12 (store (select .cse11 .cse12) .cse13 (select (select |v_#memory_$Pointer$.offset_97| .cse12) .cse13))) |v_#memory_$Pointer$.offset_97|) (= (store |v_#memory_$Pointer$.offset_95| .cse7 (store (select |v_#memory_$Pointer$.offset_95| .cse7) .cse8 (select (select |v_#memory_$Pointer$.offset_96| .cse7) .cse8))) |v_#memory_$Pointer$.offset_96|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= |c_ULTIMATE.start_main_#t~mem64#1.base| .cse5) (= (store .cse14 .cse12 (store (select .cse14 .cse12) .cse13 (select (select |v_#memory_$Pointer$.base_95| .cse12) .cse13))) |v_#memory_$Pointer$.base_95|) (= (store |v_#memory_$Pointer$.base_95| .cse15 (store (select |v_#memory_$Pointer$.base_95| .cse15) .cse16 (select (select |v_#memory_$Pointer$.base_97| .cse15) .cse16))) |v_#memory_$Pointer$.base_97|) (= (store |v_#memory_$Pointer$.offset_97| .cse15 (store (select |v_#memory_$Pointer$.offset_97| .cse15) .cse16 (select (select |v_#memory_$Pointer$.offset_95| .cse15) .cse16))) |v_#memory_$Pointer$.offset_95|) (= (let ((.cse17 (let ((.cse20 (let ((.cse21 (store |v_#memory_int_102| .cse12 (store (select |v_#memory_int_102| .cse12) .cse13 32)))) (store .cse21 .cse15 (store (select .cse21 .cse15) .cse16 5))))) (store .cse20 .cse7 (store (select .cse20 .cse7) .cse8 8))))) (store .cse17 .cse18 (store (select .cse17 .cse18) .cse19 (select (select |v_#memory_int_103| .cse18) .cse19)))) |v_#memory_int_103|) (= .cse4 |c_ULTIMATE.start_main_#t~mem64#1.offset|))))))) (and .cse0 (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_424| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_#valid_71| (Array Int Int)) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_31| (Array Int (Array Int Int))) (|v_#length_59| (Array Int Int)) (|v_#memory_$Pointer$.base_424| (Array Int (Array Int Int))) (|v_#memory_int_485| (Array Int (Array Int Int))) (|v_#memory_int_102| (Array Int (Array Int Int)))) (let ((.cse41 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse42 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse31 (select (select |v_#memory_$Pointer$.base_424| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (+ (select (select |v_#memory_$Pointer$.offset_424| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 16))) (let ((.cse33 (store |v_#memory_$Pointer$.offset_424| .cse31 (store (select |v_#memory_$Pointer$.offset_424| .cse31) .cse32 8))) (.cse36 (store |v_#memory_$Pointer$.base_424| .cse31 (store (select |v_#memory_$Pointer$.base_424| .cse31) .cse32 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse28 (store |v_#memory_$Pointer$.offset_96| .cse41 (store (select |v_#memory_$Pointer$.offset_96| .cse41) .cse42 0))) (.cse39 (store |v_#memory_$Pointer$.base_96| .cse41 (store (select |v_#memory_$Pointer$.base_96| .cse41) .cse42 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|))) (.cse45 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_31| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse46 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse24 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_31| .cse45) .cse46)) (.cse25 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| .cse45) .cse46)) (.cse29 (select (select .cse39 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse30 (+ 40 (select (select .cse28 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse26 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse27 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse37 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse38 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse34 (select (select .cse36 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse35 (+ (select (select .cse33 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (or (not (= .cse24 0)) (not (= .cse25 0))) (= (select |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|) 0) (= |c_#valid| (store |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= (store |v_#length_59| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384) |c_#length|) (= (store |v_#memory_$Pointer$.base_97| .cse26 (store (select |v_#memory_$Pointer$.base_97| .cse26) .cse27 (select (select |v_#memory_$Pointer$.base_96| .cse26) .cse27))) |v_#memory_$Pointer$.base_96|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| (store .cse28 .cse29 (store (select .cse28 .cse29) .cse30 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| .cse29) .cse30)))) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (= (store |v_#memory_int_485| .cse31 (store (select |v_#memory_int_485| .cse31) .cse32 (select (select |v_#memory_int_102| .cse31) .cse32))) |v_#memory_int_102|) (= |c_ULTIMATE.start_main_#t~mem64#1.base| .cse24) (= .cse25 |c_ULTIMATE.start_main_#t~mem64#1.offset|) (= (store .cse33 .cse34 (store (select .cse33 .cse34) .cse35 (select (select |v_#memory_$Pointer$.offset_97| .cse34) .cse35))) |v_#memory_$Pointer$.offset_97|) (= (store |v_#memory_$Pointer$.offset_95| .cse26 (store (select |v_#memory_$Pointer$.offset_95| .cse26) .cse27 (select (select |v_#memory_$Pointer$.offset_96| .cse26) .cse27))) |v_#memory_$Pointer$.offset_96|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= (store .cse36 .cse34 (store (select .cse36 .cse34) .cse35 (select (select |v_#memory_$Pointer$.base_95| .cse34) .cse35))) |v_#memory_$Pointer$.base_95|) (= (store |v_#memory_$Pointer$.base_95| .cse37 (store (select |v_#memory_$Pointer$.base_95| .cse37) .cse38 (select (select |v_#memory_$Pointer$.base_97| .cse37) .cse38))) |v_#memory_$Pointer$.base_97|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_31| (store .cse39 .cse29 (store (select .cse39 .cse29) .cse30 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_31| .cse29) .cse30)))) (= (store |v_#memory_$Pointer$.offset_97| .cse37 (store (select |v_#memory_$Pointer$.offset_97| .cse37) .cse38 (select (select |v_#memory_$Pointer$.offset_95| .cse37) .cse38))) |v_#memory_$Pointer$.offset_95|) (= (let ((.cse40 (let ((.cse43 (let ((.cse44 (store |v_#memory_int_102| .cse34 (store (select |v_#memory_int_102| .cse34) .cse35 32)))) (store .cse44 .cse37 (store (select .cse44 .cse37) .cse38 5))))) (store .cse43 .cse26 (store (select .cse43 .cse26) .cse27 8))))) (store .cse40 .cse41 (store (select .cse40 .cse41) .cse42 (select (select |v_#memory_int_103| .cse41) .cse42)))) |v_#memory_int_103|)))))))))) is different from false [2024-11-09 06:45:25,275 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (let ((.cse0 (exists ((|v_#Ultimate.C_memset_#t~loopctr160_41| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr160_41| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr160_41|))))) (or (and .cse0 (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_424| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| (Array Int (Array Int Int))) (|v_#valid_71| (Array Int Int)) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_32| (Array Int (Array Int Int))) (|v_#length_59| (Array Int Int)) (|v_#memory_$Pointer$.base_424| (Array Int (Array Int Int))) (|v_#memory_int_485| (Array Int (Array Int Int))) (|v_#memory_int_102| (Array Int (Array Int Int)))) (let ((.cse18 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse9 (select (select |v_#memory_$Pointer$.base_424| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse10 (+ (select (select |v_#memory_$Pointer$.offset_424| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 16))) (let ((.cse11 (store |v_#memory_$Pointer$.offset_424| .cse9 (store (select |v_#memory_$Pointer$.offset_424| .cse9) .cse10 8))) (.cse14 (store |v_#memory_$Pointer$.base_424| .cse9 (store (select |v_#memory_$Pointer$.base_424| .cse9) .cse10 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse6 (store |v_#memory_$Pointer$.offset_96| .cse18 (store (select |v_#memory_$Pointer$.offset_96| .cse18) .cse19 0))) (.cse1 (store |v_#memory_$Pointer$.base_96| .cse18 (store (select |v_#memory_$Pointer$.base_96| .cse18) .cse19 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|)))) (let ((.cse2 (select (select .cse1 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse3 (+ 40 (select (select .cse6 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse7 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse8 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse15 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse16 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse12 (select (select .cse14 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (+ (select (select .cse11 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (= (select |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|) 0) (= |c_#valid| (store |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_32| (store .cse1 .cse2 (store (select .cse1 .cse2) .cse3 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_32| .cse2) .cse3)))) (= (store |v_#length_59| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384) |c_#length|) (let ((.cse4 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_32| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse5 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| .cse4) .cse5) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_32| .cse4) .cse5) 0)))) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| (store .cse6 .cse2 (store (select .cse6 .cse2) .cse3 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| .cse2) .cse3)))) (= (store |v_#memory_$Pointer$.base_97| .cse7 (store (select |v_#memory_$Pointer$.base_97| .cse7) .cse8 (select (select |v_#memory_$Pointer$.base_96| .cse7) .cse8))) |v_#memory_$Pointer$.base_96|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (= (store |v_#memory_int_485| .cse9 (store (select |v_#memory_int_485| .cse9) .cse10 (select (select |v_#memory_int_102| .cse9) .cse10))) |v_#memory_int_102|) (= (store .cse11 .cse12 (store (select .cse11 .cse12) .cse13 (select (select |v_#memory_$Pointer$.offset_97| .cse12) .cse13))) |v_#memory_$Pointer$.offset_97|) (= (store |v_#memory_$Pointer$.offset_95| .cse7 (store (select |v_#memory_$Pointer$.offset_95| .cse7) .cse8 (select (select |v_#memory_$Pointer$.offset_96| .cse7) .cse8))) |v_#memory_$Pointer$.offset_96|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= (store .cse14 .cse12 (store (select .cse14 .cse12) .cse13 (select (select |v_#memory_$Pointer$.base_95| .cse12) .cse13))) |v_#memory_$Pointer$.base_95|) (= (store |v_#memory_$Pointer$.base_95| .cse15 (store (select |v_#memory_$Pointer$.base_95| .cse15) .cse16 (select (select |v_#memory_$Pointer$.base_97| .cse15) .cse16))) |v_#memory_$Pointer$.base_97|) (= (store |v_#memory_$Pointer$.offset_97| .cse15 (store (select |v_#memory_$Pointer$.offset_97| .cse15) .cse16 (select (select |v_#memory_$Pointer$.offset_95| .cse15) .cse16))) |v_#memory_$Pointer$.offset_95|) (= (let ((.cse17 (let ((.cse20 (let ((.cse21 (store |v_#memory_int_102| .cse12 (store (select |v_#memory_int_102| .cse12) .cse13 32)))) (store .cse21 .cse15 (store (select .cse21 .cse15) .cse16 5))))) (store .cse20 .cse7 (store (select .cse20 .cse7) .cse8 8))))) (store .cse17 .cse18 (store (select .cse17 .cse18) .cse19 (select (select |v_#memory_int_103| .cse18) .cse19)))) |v_#memory_int_103|))))))) (and .cse0 (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_424| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_#valid_71| (Array Int Int)) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_#length_59| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_31| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_424| (Array Int (Array Int Int))) (|v_#memory_int_485| (Array Int (Array Int Int))) (|v_#memory_int_102| (Array Int (Array Int Int)))) (let ((.cse39 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse40 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse29 (select (select |v_#memory_$Pointer$.base_424| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse30 (+ (select (select |v_#memory_$Pointer$.offset_424| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 16))) (let ((.cse31 (store |v_#memory_$Pointer$.offset_424| .cse29 (store (select |v_#memory_$Pointer$.offset_424| .cse29) .cse30 8))) (.cse34 (store |v_#memory_$Pointer$.base_424| .cse29 (store (select |v_#memory_$Pointer$.base_424| .cse29) .cse30 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse26 (store |v_#memory_$Pointer$.offset_96| .cse39 (store (select |v_#memory_$Pointer$.offset_96| .cse39) .cse40 0))) (.cse37 (store |v_#memory_$Pointer$.base_96| .cse39 (store (select |v_#memory_$Pointer$.base_96| .cse39) .cse40 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|)))) (let ((.cse27 (select (select .cse37 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse28 (+ 40 (select (select .cse26 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse24 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse35 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse36 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse32 (select (select .cse34 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse33 (+ (select (select .cse31 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (let ((.cse22 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_31| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse23 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_31| .cse22) .cse23) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| .cse22) .cse23) 0)))) (= (select |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|) 0) (= |c_#valid| (store |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= (store |v_#length_59| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384) |c_#length|) (= (store |v_#memory_$Pointer$.base_97| .cse24 (store (select |v_#memory_$Pointer$.base_97| .cse24) .cse25 (select (select |v_#memory_$Pointer$.base_96| .cse24) .cse25))) |v_#memory_$Pointer$.base_96|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| (store .cse26 .cse27 (store (select .cse26 .cse27) .cse28 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| .cse27) .cse28)))) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (= (store |v_#memory_int_485| .cse29 (store (select |v_#memory_int_485| .cse29) .cse30 (select (select |v_#memory_int_102| .cse29) .cse30))) |v_#memory_int_102|) (= (store .cse31 .cse32 (store (select .cse31 .cse32) .cse33 (select (select |v_#memory_$Pointer$.offset_97| .cse32) .cse33))) |v_#memory_$Pointer$.offset_97|) (= (store |v_#memory_$Pointer$.offset_95| .cse24 (store (select |v_#memory_$Pointer$.offset_95| .cse24) .cse25 (select (select |v_#memory_$Pointer$.offset_96| .cse24) .cse25))) |v_#memory_$Pointer$.offset_96|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= (store .cse34 .cse32 (store (select .cse34 .cse32) .cse33 (select (select |v_#memory_$Pointer$.base_95| .cse32) .cse33))) |v_#memory_$Pointer$.base_95|) (= (store |v_#memory_$Pointer$.base_95| .cse35 (store (select |v_#memory_$Pointer$.base_95| .cse35) .cse36 (select (select |v_#memory_$Pointer$.base_97| .cse35) .cse36))) |v_#memory_$Pointer$.base_97|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_31| (store .cse37 .cse27 (store (select .cse37 .cse27) .cse28 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_31| .cse27) .cse28)))) (= (store |v_#memory_$Pointer$.offset_97| .cse35 (store (select |v_#memory_$Pointer$.offset_97| .cse35) .cse36 (select (select |v_#memory_$Pointer$.offset_95| .cse35) .cse36))) |v_#memory_$Pointer$.offset_95|) (= (let ((.cse38 (let ((.cse41 (let ((.cse42 (store |v_#memory_int_102| .cse32 (store (select |v_#memory_int_102| .cse32) .cse33 32)))) (store .cse42 .cse35 (store (select .cse42 .cse35) .cse36 5))))) (store .cse41 .cse24 (store (select .cse41 .cse24) .cse25 8))))) (store .cse38 .cse39 (store (select .cse38 .cse39) .cse40 (select (select |v_#memory_int_103| .cse39) .cse40)))) |v_#memory_int_103|)))))))))) is different from false [2024-11-09 06:45:57,749 WARN L286 SmtUtils]: Spent 14.15s on a formula simplification. DAG size of input: 173 DAG size of output: 160 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:45:59,094 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3232#(<= 1 |#StackHeapBarrier|)' at error location [2024-11-09 06:45:59,094 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 06:45:59,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:45:59,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 14 [2024-11-09 06:45:59,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675014550] [2024-11-09 06:45:59,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:45:59,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 06:45:59,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:45:59,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 06:45:59,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=1320, Unknown=17, NotChecked=154, Total=1722 [2024-11-09 06:45:59,099 INFO L87 Difference]: Start difference. First operand 236 states and 275 transitions. Second operand has 14 states, 14 states have (on average 22.0) internal successors, (308), 14 states have internal predecessors, (308), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 06:46:01,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:03,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:05,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:07,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:09,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:11,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:13,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:15,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:17,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:19,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:21,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:23,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:25,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:27,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:29,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:31,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:33,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:35,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:37,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:39,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:41,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:43,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:45,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:47,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:50,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:53,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:55,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:57,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:46:59,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:47:01,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:47:03,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:47:05,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:47:07,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:47:09,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:47:11,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:47:13,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:47:15,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:47:17,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:47:19,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:47:21,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:47:23,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:47:25,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:47:27,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:47:29,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:47:34,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:47:36,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:47:39,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:47:41,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:47:41,289 INFO L93 Difference]: Finished difference Result 661 states and 779 transitions. [2024-11-09 06:47:41,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 06:47:41,298 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 22.0) internal successors, (308), 14 states have internal predecessors, (308), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 137 [2024-11-09 06:47:41,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:47:41,302 INFO L225 Difference]: With dead ends: 661 [2024-11-09 06:47:41,302 INFO L226 Difference]: Without dead ends: 499 [2024-11-09 06:47:41,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 914 ImplicationChecksByTransitivity, 96.5s TimeCoverageRelationStatistics Valid=399, Invalid=2244, Unknown=17, NotChecked=202, Total=2862 [2024-11-09 06:47:41,306 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 1000 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 38 mSolverCounterUnsat, 43 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 101.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 43 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 101.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:47:41,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1000 Valid, 447 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 293 Invalid, 43 Unknown, 0 Unchecked, 101.5s Time] [2024-11-09 06:47:41,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-11-09 06:47:41,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2024-11-09 06:47:41,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 485 states have (on average 1.1278350515463917) internal successors, (547), 484 states have internal predecessors, (547), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 06:47:41,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 571 transitions. [2024-11-09 06:47:41,371 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 571 transitions. Word has length 137 [2024-11-09 06:47:41,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:47:41,372 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 571 transitions. [2024-11-09 06:47:41,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 22.0) internal successors, (308), 14 states have internal predecessors, (308), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 06:47:41,373 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 571 transitions. [2024-11-09 06:47:41,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-11-09 06:47:41,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:47:41,386 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:47:41,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 06:47:41,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0a7f5a-091b-4728-b356-1397b6053497/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:47:41,587 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:47:41,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:47:41,587 INFO L85 PathProgramCache]: Analyzing trace with hash -837070506, now seen corresponding path program 1 times [2024-11-09 06:47:41,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:47:41,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584157364] [2024-11-09 06:47:41,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:47:41,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms