./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/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_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/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_946f355c-8049-47a9-91fa-19eb301d4df5/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 d619c50f205026415119876db06c9bf079f51316bee7c051af8e3a06a37e393d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:00:22,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:00:22,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:00:22,385 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:00:22,386 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:00:22,435 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:00:22,436 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:00:22,437 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:00:22,441 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:00:22,441 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:00:22,442 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:00:22,442 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:00:22,443 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:00:22,443 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:00:22,444 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:00:22,444 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:00:22,445 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:00:22,445 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:00:22,446 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:00:22,450 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:00:22,451 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:00:22,455 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:00:22,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:00:22,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:00:22,457 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:00:22,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:00:22,458 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:00:22,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:00:22,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:00:22,462 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:00:22,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:00:22,463 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:00:22,464 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:00:22,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:00:22,464 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:00:22,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:00:22,465 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:00:22,466 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:00:22,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:00:22,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:00:22,468 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:00:22,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:00:22,469 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:00:22,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:00:22,470 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:00:22,470 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:00:22,471 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:00:22,471 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_946f355c-8049-47a9-91fa-19eb301d4df5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d619c50f205026415119876db06c9bf079f51316bee7c051af8e3a06a37e393d [2024-11-09 06:00:22,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:00:22,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:00:22,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:00:22,892 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:00:22,894 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:00:22,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i Unable to find full path for "g++" [2024-11-09 06:00:25,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:00:25,771 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:00:25,772 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i [2024-11-09 06:00:25,807 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje/data/a66fa36d6/8e6c49ddd3ae4e5db556af83085acef8/FLAGc569e04c8 [2024-11-09 06:00:25,825 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje/data/a66fa36d6/8e6c49ddd3ae4e5db556af83085acef8 [2024-11-09 06:00:25,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:00:25,830 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:00:25,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:00:25,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:00:25,838 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:00:25,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:00:25" (1/1) ... [2024-11-09 06:00:25,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f7783f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:25, skipping insertion in model container [2024-11-09 06:00:25,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:00:25" (1/1) ... [2024-11-09 06:00:25,914 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:00:26,580 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_946f355c-8049-47a9-91fa-19eb301d4df5/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[37019,37032] [2024-11-09 06:00:26,784 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_946f355c-8049-47a9-91fa-19eb301d4df5/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[47352,47365] [2024-11-09 06:00:26,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:00:26,846 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:00:26,911 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_946f355c-8049-47a9-91fa-19eb301d4df5/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[37019,37032] [2024-11-09 06:00:27,011 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_946f355c-8049-47a9-91fa-19eb301d4df5/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[47352,47365] [2024-11-09 06:00:27,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:00:27,094 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:00:27,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:27 WrapperNode [2024-11-09 06:00:27,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:00:27,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:00:27,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:00:27,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:00:27,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:27" (1/1) ... [2024-11-09 06:00:27,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:27" (1/1) ... [2024-11-09 06:00:27,274 INFO L138 Inliner]: procedures = 208, calls = 278, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1433 [2024-11-09 06:00:27,275 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:00:27,276 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:00:27,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:00:27,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:00:27,322 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:27" (1/1) ... [2024-11-09 06:00:27,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:27" (1/1) ... [2024-11-09 06:00:27,353 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:27" (1/1) ... [2024-11-09 06:00:27,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:27" (1/1) ... [2024-11-09 06:00:27,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:27" (1/1) ... [2024-11-09 06:00:27,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:27" (1/1) ... [2024-11-09 06:00:27,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:27" (1/1) ... [2024-11-09 06:00:27,507 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:27" (1/1) ... [2024-11-09 06:00:27,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:00:27,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:00:27,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:00:27,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:00:27,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:27" (1/1) ... [2024-11-09 06:00:27,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:00:27,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:00:27,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:00:27,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:00:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 06:00:27,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 06:00:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:00:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:00:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:00:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:00:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 06:00:27,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 06:00:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:00:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:00:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:00:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:00:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:00:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:00:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:00:27,967 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:00:27,971 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:00:30,427 INFO L? ?]: Removed 326 outVars from TransFormulas that were not future-live. [2024-11-09 06:00:30,427 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:00:32,657 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:00:32,657 INFO L316 CfgBuilder]: Removed 58 assume(true) statements. [2024-11-09 06:00:32,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:00:32 BoogieIcfgContainer [2024-11-09 06:00:32,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:00:32,717 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:00:32,718 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:00:32,723 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:00:32,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:00:25" (1/3) ... [2024-11-09 06:00:32,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527df056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:00:32, skipping insertion in model container [2024-11-09 06:00:32,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:27" (2/3) ... [2024-11-09 06:00:32,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527df056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:00:32, skipping insertion in model container [2024-11-09 06:00:32,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:00:32" (3/3) ... [2024-11-09 06:00:32,728 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test2-2.i [2024-11-09 06:00:32,753 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:00:32,753 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 06:00:32,862 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:00:32,874 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;@334f8519, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:00:32,874 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 06:00:32,880 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 127 states have (on average 1.7322834645669292) internal successors, (220), 134 states have internal predecessors, (220), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 06:00:32,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 06:00:32,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:32,895 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:00:32,896 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:00:32,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:00:32,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1979887854, now seen corresponding path program 1 times [2024-11-09 06:00:32,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:00:32,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935173864] [2024-11-09 06:00:32,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:32,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:00:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:33,164 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 06:00:33,165 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:00:33,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935173864] [2024-11-09 06:00:33,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935173864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:00:33,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:00:33,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:00:33,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266319220] [2024-11-09 06:00:33,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:00:33,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:00:33,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:00:33,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:00:33,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:00:33,211 INFO L87 Difference]: Start difference. First operand has 140 states, 127 states have (on average 1.7322834645669292) internal successors, (220), 134 states have internal predecessors, (220), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 06:00:35,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:00:37,292 WARN L539 Checker$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 06:00:39,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:00:41,351 WARN L539 Checker$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 06:00:41,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:00:41,772 INFO L93 Difference]: Finished difference Result 279 states and 476 transitions. [2024-11-09 06:00:41,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:00:41,779 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2024-11-09 06:00:41,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:00:41,791 INFO L225 Difference]: With dead ends: 279 [2024-11-09 06:00:41,792 INFO L226 Difference]: Without dead ends: 121 [2024-11-09 06:00:41,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:00:41,799 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:00:41,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 4 Unknown, 0 Unchecked, 8.5s Time] [2024-11-09 06:00:41,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-09 06:00:41,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-09 06:00:41,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 109 states have (on average 1.2293577981651376) internal successors, (134), 115 states have internal predecessors, (134), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 06:00:41,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 150 transitions. [2024-11-09 06:00:41,854 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 150 transitions. Word has length 8 [2024-11-09 06:00:41,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:00:41,855 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 150 transitions. [2024-11-09 06:00:41,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 06:00:41,856 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 150 transitions. [2024-11-09 06:00:41,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 06:00:41,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:41,859 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] [2024-11-09 06:00:41,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:00:41,859 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:00:41,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:00:41,860 INFO L85 PathProgramCache]: Analyzing trace with hash 957597931, now seen corresponding path program 1 times [2024-11-09 06:00:41,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:00:41,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173806526] [2024-11-09 06:00:41,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:41,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:00:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:42,609 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 06:00:42,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:00:42,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173806526] [2024-11-09 06:00:42,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173806526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:00:42,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:00:42,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:00:42,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506960760] [2024-11-09 06:00:42,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:00:42,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:00:42,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:00:42,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:00:42,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:00:42,618 INFO L87 Difference]: Start difference. First operand 121 states and 150 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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 06:00:44,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:00:46,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:00:48,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:00:51,322 WARN L539 Checker$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 06:00:53,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:00:55,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:00:57,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:00:59,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:01:01,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:01:03,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:01:05,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:01:07,521 WARN L539 Checker$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 06:01:09,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:01:11,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:01:13,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:01:15,555 WARN L539 Checker$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 06:01:17,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:01:21,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:01:21,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:01:21,119 INFO L93 Difference]: Finished difference Result 251 states and 320 transitions. [2024-11-09 06:01:21,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:01:21,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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 23 [2024-11-09 06:01:21,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:01:21,130 INFO L225 Difference]: With dead ends: 251 [2024-11-09 06:01:21,130 INFO L226 Difference]: Without dead ends: 191 [2024-11-09 06:01:21,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:01:21,133 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 78 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:01:21,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 354 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 18 Unknown, 0 Unchecked, 38.4s Time] [2024-11-09 06:01:21,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-09 06:01:21,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 123. [2024-11-09 06:01:21,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 111 states have (on average 1.2252252252252251) internal successors, (136), 117 states have internal predecessors, (136), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 06:01:21,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 152 transitions. [2024-11-09 06:01:21,155 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 152 transitions. Word has length 23 [2024-11-09 06:01:21,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:01:21,156 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 152 transitions. [2024-11-09 06:01:21,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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 06:01:21,156 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 152 transitions. [2024-11-09 06:01:21,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 06:01:21,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:01:21,159 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2024-11-09 06:01:21,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:01:21,160 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:01:21,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:01:21,161 INFO L85 PathProgramCache]: Analyzing trace with hash -155522659, now seen corresponding path program 1 times [2024-11-09 06:01:21,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:01:21,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234411776] [2024-11-09 06:01:21,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:01:21,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:01:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:01:21,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:01:21,684 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:01:21,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234411776] [2024-11-09 06:01:21,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234411776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:01:21,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:01:21,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:01:21,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394404726] [2024-11-09 06:01:21,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:01:21,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:01:21,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:01:21,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:01:21,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:01:21,690 INFO L87 Difference]: Start difference. First operand 123 states and 152 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:01:23,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:01:25,733 WARN L539 Checker$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 06:01:27,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:01:29,879 WARN L539 Checker$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 06:01:31,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:01:33,900 WARN L539 Checker$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 06:01:35,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:01:37,922 WARN L539 Checker$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 06:01:39,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:01:41,947 WARN L539 Checker$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 06:01:44,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:01:46,061 WARN L539 Checker$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 06:01:46,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:01:46,763 INFO L93 Difference]: Finished difference Result 295 states and 369 transitions. [2024-11-09 06:01:46,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:01:46,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2024-11-09 06:01:46,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:01:46,771 INFO L225 Difference]: With dead ends: 295 [2024-11-09 06:01:46,771 INFO L226 Difference]: Without dead ends: 175 [2024-11-09 06:01:46,772 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 06:01:46,774 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 43 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:01:46,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 272 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 12 Unknown, 0 Unchecked, 25.0s Time] [2024-11-09 06:01:46,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-09 06:01:46,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 173. [2024-11-09 06:01:46,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 156 states have (on average 1.2243589743589745) internal successors, (191), 167 states have internal predecessors, (191), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 06:01:46,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 217 transitions. [2024-11-09 06:01:46,797 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 217 transitions. Word has length 52 [2024-11-09 06:01:46,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:01:46,798 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 217 transitions. [2024-11-09 06:01:46,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:01:46,799 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 217 transitions. [2024-11-09 06:01:46,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 06:01:46,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:01:46,801 INFO L215 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:01:46,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:01:46,802 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:01:46,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:01:46,803 INFO L85 PathProgramCache]: Analyzing trace with hash 702819057, now seen corresponding path program 1 times [2024-11-09 06:01:46,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:01:46,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513484214] [2024-11-09 06:01:46,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:01:46,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:01:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:01:47,522 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 06:01:47,523 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:01:47,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513484214] [2024-11-09 06:01:47,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513484214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:01:47,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:01:47,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:01:47,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444745665] [2024-11-09 06:01:47,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:01:47,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:01:47,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:01:47,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:01:47,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:01:47,528 INFO L87 Difference]: Start difference. First operand 173 states and 217 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 06:01:49,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:01:51,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:01:54,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:01:56,446 WARN L539 Checker$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 06:01:58,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:00,483 WARN L539 Checker$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 06:02:00,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:02:00,695 INFO L93 Difference]: Finished difference Result 293 states and 366 transitions. [2024-11-09 06:02:00,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:02:00,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 65 [2024-11-09 06:02:00,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:02:00,698 INFO L225 Difference]: With dead ends: 293 [2024-11-09 06:02:00,699 INFO L226 Difference]: Without dead ends: 139 [2024-11-09 06:02:00,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:02:00,701 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 192 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 13 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:02:00,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 173 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 53 Invalid, 5 Unknown, 0 Unchecked, 13.1s Time] [2024-11-09 06:02:00,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-09 06:02:00,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-11-09 06:02:00,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 127 states have (on average 1.1968503937007875) internal successors, (152), 133 states have internal predecessors, (152), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 06:02:00,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 168 transitions. [2024-11-09 06:02:00,721 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 168 transitions. Word has length 65 [2024-11-09 06:02:00,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:02:00,722 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 168 transitions. [2024-11-09 06:02:00,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 06:02:00,723 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 168 transitions. [2024-11-09 06:02:00,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 06:02:00,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:02:00,726 INFO L215 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:02:00,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:02:00,726 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:02:00,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:02:00,727 INFO L85 PathProgramCache]: Analyzing trace with hash -182835691, now seen corresponding path program 1 times [2024-11-09 06:02:00,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:02:00,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196942840] [2024-11-09 06:02:00,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:02:00,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:02:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:02:03,238 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 06:02:03,239 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:02:03,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196942840] [2024-11-09 06:02:03,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196942840] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:02:03,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018407164] [2024-11-09 06:02:03,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:02:03,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:02:03,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:02:03,245 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:02:03,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:03:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:03:02,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:03:02,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:03:02,615 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:03:02,615 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:03:02,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018407164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:03:02,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:03:02,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-09 06:03:02,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355493199] [2024-11-09 06:03:02,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:03:02,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:03:02,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:03:02,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:03:02,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:03:02,619 INFO L87 Difference]: Start difference. First operand 139 states and 168 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:03:04,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:03:06,671 WARN L539 Checker$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 06:03:08,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:03:10,691 WARN L539 Checker$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 06:03:12,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:03:14,702 WARN L539 Checker$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 06:03:16,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:03:18,880 WARN L539 Checker$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 06:03:20,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:03:22,899 WARN L539 Checker$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 06:03:24,916 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 06:03:27,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:03:27,494 INFO L93 Difference]: Finished difference Result 258 states and 316 transitions. [2024-11-09 06:03:27,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:03:27,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 73 [2024-11-09 06:03:27,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:03:27,502 INFO L225 Difference]: With dead ends: 258 [2024-11-09 06:03:27,503 INFO L226 Difference]: Without dead ends: 141 [2024-11-09 06:03:27,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:03:27,505 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:03:27,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 383 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 11 Unknown, 0 Unchecked, 24.8s Time] [2024-11-09 06:03:27,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-09 06:03:27,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-11-09 06:03:27,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 128 states have (on average 1.203125) internal successors, (154), 135 states have internal predecessors, (154), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2024-11-09 06:03:27,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 171 transitions. [2024-11-09 06:03:27,523 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 171 transitions. Word has length 73 [2024-11-09 06:03:27,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:03:27,524 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 171 transitions. [2024-11-09 06:03:27,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:03:27,525 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 171 transitions. [2024-11-09 06:03:27,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 06:03:27,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:03:27,528 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:03:27,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 06:03:27,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:03:27,729 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:03:27,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:03:27,730 INFO L85 PathProgramCache]: Analyzing trace with hash -182523399, now seen corresponding path program 1 times [2024-11-09 06:03:27,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:03:27,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735048189] [2024-11-09 06:03:27,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:03:27,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:03:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:03:29,783 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 06:03:29,783 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:03:29,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735048189] [2024-11-09 06:03:29,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735048189] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:03:29,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270999096] [2024-11-09 06:03:29,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:03:29,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:03:29,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:03:29,788 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:03:29,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 06:03:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:03:50,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 06:03:50,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:03:50,242 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 06:03:50,243 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:03:50,436 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 06:03:50,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270999096] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:03:50,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [165023254] [2024-11-09 06:03:50,474 INFO L159 IcfgInterpreter]: Started Sifa with 69 locations of interest [2024-11-09 06:03:50,475 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:03:50,479 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:03:50,486 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:03:50,487 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:04:14,135 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 136 for LOIs [2024-11-09 06:04:14,304 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:04:40,005 WARN L286 SmtUtils]: Spent 6.36s on a formula simplification. DAG size of input: 229 DAG size of output: 221 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:04:40,024 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 28)) (.cse3 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 32)) (.cse0 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 36))) (and (exists ((|v_#memory_$Pointer$.offset_48| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_400| (Array Int (Array Int Int)))) (let ((.cse1 (select |v_#memory_$Pointer$.offset_48| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= |v_#memory_$Pointer$.offset_48| (store |v_#memory_$Pointer$.offset_400| |c_ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.offset_400| |c_ULTIMATE.start_main_~user~0#1.base|) .cse0 (select .cse1 .cse0)))) (= |c_#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_48| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse1 .cse2 |c_ULTIMATE.start_main_~user~0#1.offset|) .cse3 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))))) (exists ((|v_#memory_int_52| (Array Int (Array Int Int))) (|v_#memory_int_474| (Array Int (Array Int Int)))) (let ((.cse4 (select |v_#memory_int_52| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= |c_#memory_int| (store |v_#memory_int_52| |c_ULTIMATE.start_main_~user~0#1.base| (store .cse4 .cse3 4))) (= (store |v_#memory_int_474| |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select |v_#memory_int_474| |c_ULTIMATE.start_main_~user~0#1.base|) .cse0 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) .cse2 (select .cse4 .cse2))) |v_#memory_int_52|)))) (exists ((|v_#memory_$Pointer$.base_400| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_48| (Array Int (Array Int Int)))) (let ((.cse5 (select |v_#memory_$Pointer$.base_48| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_48| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse5 .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse3 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse3)))) (= (store |v_#memory_$Pointer$.base_400| |c_ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.base_400| |c_ULTIMATE.start_main_~user~0#1.base|) .cse0 (select .cse5 .cse0))) |v_#memory_$Pointer$.base_48|)))))) is different from true [2024-11-09 06:04:40,052 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse6 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 12)) (.cse2 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 32)) (.cse5 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 16)) (.cse4 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 36)) (.cse1 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 28))) (and (exists ((|v_#memory_$Pointer$.offset_401| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_48| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_400| (Array Int (Array Int Int)))) (let ((.cse0 (select |v_#memory_$Pointer$.offset_48| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse3 (select |v_#memory_$Pointer$.offset_401| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= (store |v_#memory_$Pointer$.offset_48| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse0 .cse1 |c_ULTIMATE.start_main_~user~0#1.offset|) .cse2 (select .cse3 .cse2))) |v_#memory_$Pointer$.offset_401|) (= |v_#memory_$Pointer$.offset_48| (store |v_#memory_$Pointer$.offset_400| |c_ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.offset_400| |c_ULTIMATE.start_main_~user~0#1.base|) .cse4 (select .cse0 .cse4)))) (= |c_#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_401| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse3 .cse5 0) .cse6 0)))))) (exists ((|v_#memory_$Pointer$.base_401| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_400| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_48| (Array Int (Array Int Int)))) (let ((.cse8 (select |v_#memory_$Pointer$.base_401| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse7 (select |v_#memory_$Pointer$.base_48| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= (store |v_#memory_$Pointer$.base_48| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse7 .cse1 |c_ULTIMATE.start_main_~user~0#1.base|) .cse2 (select .cse8 .cse2))) |v_#memory_$Pointer$.base_401|) (= (store |v_#memory_$Pointer$.base_401| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse8 .cse5 0) .cse6 0)) |c_#memory_$Pointer$.base|) (= (store |v_#memory_$Pointer$.base_400| |c_ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.base_400| |c_ULTIMATE.start_main_~user~0#1.base|) .cse4 (select .cse7 .cse4))) |v_#memory_$Pointer$.base_48|)))) (exists ((|v_#memory_int_52| (Array Int (Array Int Int))) (|v_#memory_int_474| (Array Int (Array Int Int))) (|v_#memory_int_145| (Array Int (Array Int Int)))) (let ((.cse9 (select |v_#memory_int_145| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse10 (select |v_#memory_int_52| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= (store |v_#memory_int_145| |c_ULTIMATE.start_main_~user~0#1.base| (store .cse9 .cse6 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~user~0#1.base|) .cse6))) |c_#memory_int|) (= (store |v_#memory_int_52| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse10 .cse2 4) .cse5 (select .cse9 .cse5))) |v_#memory_int_145|) (= (store |v_#memory_int_474| |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select |v_#memory_int_474| |c_ULTIMATE.start_main_~user~0#1.base|) .cse4 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) .cse1 (select .cse10 .cse1))) |v_#memory_int_52|)))))) is different from true [2024-11-09 06:04:54,907 WARN L286 SmtUtils]: Spent 6.84s on a formula simplification. DAG size of input: 136 DAG size of output: 136 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:05:07,577 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse12)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse12))) (and (= (select (select |c_#memory_$Pointer$.offset| .cse0) .cse1) |c_ULTIMATE.start_main_#t~mem64#1.offset|) (exists ((|v_#valid_68| (Array Int Int)) (|v_#memory_$Pointer$.offset_403| (Array Int (Array Int Int))) (|v_#memory_int_147| (Array Int (Array Int Int))) (|v_#memory_int_477| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_403| (Array Int (Array Int Int))) (|v_#length_33| (Array Int Int)) (|v_ULTIMATE.start_main_#t~mem54#1.base_15| Int) (|v_#memory_$Pointer$.base_136| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_135| (Array Int (Array Int Int))) (|v_#memory_int_146| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_134| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_134| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc61#1.base_6| Int) (|v_#memory_$Pointer$.offset_135| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_136| (Array Int (Array Int Int)))) (let ((.cse34 (select (select |v_#memory_$Pointer$.base_403| |c_ULTIMATE.start_main_~user~0#1.base|) .cse12)) (.cse35 (+ (select (select |v_#memory_$Pointer$.offset_403| |c_ULTIMATE.start_main_~user~0#1.base|) .cse12) 16)) (.cse37 (select (select |v_#memory_$Pointer$.base_135| |c_ULTIMATE.start_main_~user~0#1.base|) .cse12)) (.cse38 (select (select |v_#memory_$Pointer$.offset_136| |c_ULTIMATE.start_main_~user~0#1.base|) .cse12))) (let ((.cse41 (store |v_#memory_$Pointer$.offset_136| .cse37 (store (select |v_#memory_$Pointer$.offset_136| .cse37) .cse38 0))) (.cse32 (store |v_#memory_$Pointer$.base_135| .cse37 (store (select |v_#memory_$Pointer$.base_135| .cse37) .cse38 |v_ULTIMATE.start_main_#t~malloc61#1.base_6|))) (.cse33 (store |v_#memory_$Pointer$.offset_403| .cse34 (store (select |v_#memory_$Pointer$.offset_403| .cse34) .cse35 .cse12))) (.cse2 (store |v_#memory_$Pointer$.base_403| .cse34 (store (select |v_#memory_$Pointer$.base_403| .cse34) .cse35 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse30 (select (select |v_#memory_$Pointer$.base_136| |c_ULTIMATE.start_main_~user~0#1.base|) .cse12)) (.cse31 (+ (select (select |v_#memory_$Pointer$.offset_134| |c_ULTIMATE.start_main_~user~0#1.base|) .cse12) 20)) (.cse7 (select (select |v_#memory_$Pointer$.base_134| |c_ULTIMATE.start_main_~user~0#1.base|) .cse12)) (.cse8 (+ 8 (select (select |v_#memory_$Pointer$.offset_135| |c_ULTIMATE.start_main_~user~0#1.base|) .cse12))) (.cse3 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse12)) (.cse4 (+ (select (select .cse33 |c_ULTIMATE.start_main_~user~0#1.base|) .cse12) 4)) (.cse5 (select (select .cse32 |c_ULTIMATE.start_main_~user~0#1.base|) .cse12)) (.cse6 (+ 40 (select (select .cse41 |c_ULTIMATE.start_main_~user~0#1.base|) .cse12)))) (and (= |v_#memory_$Pointer$.base_134| (store .cse2 .cse3 (store (select .cse2 .cse3) .cse4 (select (select |v_#memory_$Pointer$.base_134| .cse3) .cse4)))) (= (store |v_#memory_int_146| .cse5 (store (select |v_#memory_int_146| .cse5) .cse6 2685476833)) |c_#memory_int|) (= (select |v_#valid_68| |v_ULTIMATE.start_main_#t~malloc61#1.base_6|) 0) (= (store |v_#memory_$Pointer$.base_134| .cse7 (store (select |v_#memory_$Pointer$.base_134| .cse7) .cse8 (select (select |v_#memory_$Pointer$.base_136| .cse7) .cse8))) |v_#memory_$Pointer$.base_136|) (let ((.cse17 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 28)) (.cse14 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 32)) (.cse16 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 36))) (let ((.cse21 (exists ((|v_#Ultimate.C_memset_#t~loopctr274_27| Int)) (and (<= 44 (mod |v_#Ultimate.C_memset_#t~loopctr274_27| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr274_27|)))) (.cse22 (exists ((|v_#memory_$Pointer$.offset_401| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_48| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_400| (Array Int (Array Int Int)))) (let ((.cse29 (select |v_#memory_$Pointer$.offset_48| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= (store |v_#memory_$Pointer$.offset_48| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse29 .cse17 |c_ULTIMATE.start_main_~user~0#1.offset|) .cse14 (select (select |v_#memory_$Pointer$.offset_401| |c_ULTIMATE.start_main_~user~0#1.base|) .cse14))) |v_#memory_$Pointer$.offset_401|) (= |v_#memory_$Pointer$.offset_48| (store |v_#memory_$Pointer$.offset_400| |c_ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.offset_400| |c_ULTIMATE.start_main_~user~0#1.base|) .cse16 (select .cse29 .cse16)))))))) (.cse15 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 16)) (.cse10 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 12))) (or (and (exists ((|v_#memory_int_52| (Array Int (Array Int Int))) (|v_old(#memory_int)_AFTER_CALL_14| (Array Int (Array Int Int))) (|v_#memory_int_474| (Array Int (Array Int Int))) (|v_#memory_int_145| (Array Int (Array Int Int))) (|v_#memory_int_476| (Array Int (Array Int Int)))) (let ((.cse11 (select |v_#memory_int_476| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse9 (select |v_#memory_int_145| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse13 (select |v_#memory_int_52| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= (store |v_#memory_int_145| |c_ULTIMATE.start_main_~user~0#1.base| (store .cse9 .cse10 (select .cse11 .cse10))) |v_#memory_int_476|) (= |v_old(#memory_int)_AFTER_CALL_14| (store |v_#memory_int_476| |c_ULTIMATE.start_main_~user~0#1.base| (store .cse11 .cse12 (select (select |v_old(#memory_int)_AFTER_CALL_14| |c_ULTIMATE.start_main_~user~0#1.base|) .cse12)))) (= (store |v_#memory_int_52| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse13 .cse14 4) .cse15 (select .cse9 .cse15))) |v_#memory_int_145|) (= (store |v_#memory_int_474| |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select |v_#memory_int_474| |c_ULTIMATE.start_main_~user~0#1.base|) .cse16 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) .cse17 (select .cse13 .cse17))) |v_#memory_int_52|)))) (exists ((|v_#valid_67| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_14| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_401| (Array Int (Array Int Int))) (|v_#length_32| (Array Int Int)) (|v_#memory_$Pointer$.base_400| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_48| (Array Int (Array Int Int)))) (let ((.cse19 (select |v_#memory_$Pointer$.base_401| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse18 (select |v_#memory_$Pointer$.base_48| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse20 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_14| |c_ULTIMATE.start_main_~user~0#1.base|) .cse12))) (and (= (store |v_#memory_$Pointer$.base_48| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse18 .cse17 |c_ULTIMATE.start_main_~user~0#1.base|) .cse14 (select .cse19 .cse14))) |v_#memory_$Pointer$.base_401|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_14| (store |v_#memory_$Pointer$.base_401| |c_ULTIMATE.start_main_~user~0#1.base| (store (store (store .cse19 .cse15 0) .cse10 0) .cse12 .cse20))) (not (= .cse20 0)) (= (select |v_#valid_67| .cse20) 0) (<= (+ .cse20 1) |c_#StackHeapBarrier|) (= (store |v_#memory_$Pointer$.base_400| |c_ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.base_400| |c_ULTIMATE.start_main_~user~0#1.base|) .cse16 (select .cse18 .cse16))) |v_#memory_$Pointer$.base_48|) (= .cse20 |v_ULTIMATE.start_main_#t~mem54#1.base_15|) (= (store |v_#length_32| .cse20 44) |v_#length_33|) (= (store |v_#valid_67| .cse20 1) |v_#valid_68|)))) .cse21 .cse22) (and .cse21 .cse22 (exists ((|v_#memory_int_52| (Array Int (Array Int Int))) (|v_#memory_int_BEFORE_CALL_18| (Array Int (Array Int Int))) (|v_#memory_int_474| (Array Int (Array Int Int))) (|v_#memory_int_476| (Array Int (Array Int Int))) (|v_#memory_int_145| (Array Int (Array Int Int)))) (let ((.cse23 (select |v_#memory_int_476| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse24 (select |v_#memory_int_145| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse25 (select |v_#memory_int_52| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= (store |v_#memory_int_476| |c_ULTIMATE.start_main_~user~0#1.base| (store .cse23 .cse12 (select (select |v_#memory_int_BEFORE_CALL_18| |c_ULTIMATE.start_main_~user~0#1.base|) .cse12))) |v_#memory_int_BEFORE_CALL_18|) (= (store |v_#memory_int_145| |c_ULTIMATE.start_main_~user~0#1.base| (store .cse24 .cse10 (select .cse23 .cse10))) |v_#memory_int_476|) (= (store |v_#memory_int_52| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse25 .cse14 4) .cse15 (select .cse24 .cse15))) |v_#memory_int_145|) (= (store |v_#memory_int_474| |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select |v_#memory_int_474| |c_ULTIMATE.start_main_~user~0#1.base|) .cse16 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) .cse17 (select .cse25 .cse17))) |v_#memory_int_52|)))) (exists ((|v_#valid_67| (Array Int Int)) (|v_#memory_$Pointer$.base_401| (Array Int (Array Int Int))) (|v_#length_32| (Array Int Int)) (|v_#memory_$Pointer$.base_400| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_13| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_48| (Array Int (Array Int Int)))) (let ((.cse26 (select |v_#memory_$Pointer$.base_48| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse27 (select |v_#memory_$Pointer$.base_401| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse28 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_13| |c_ULTIMATE.start_main_~user~0#1.base|) .cse12))) (and (= (store |v_#memory_$Pointer$.base_48| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse26 .cse17 |c_ULTIMATE.start_main_~user~0#1.base|) .cse14 (select .cse27 .cse14))) |v_#memory_$Pointer$.base_401|) (not (= .cse28 0)) (= (select |v_#valid_67| .cse28) 0) (<= (+ .cse28 1) |c_#StackHeapBarrier|) (= (store |v_#memory_$Pointer$.base_400| |c_ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.base_400| |c_ULTIMATE.start_main_~user~0#1.base|) .cse16 (select .cse26 .cse16))) |v_#memory_$Pointer$.base_48|) (= .cse28 |v_ULTIMATE.start_main_#t~mem54#1.base_15|) (= (store |v_#length_32| .cse28 44) |v_#length_33|) (= (store |v_#valid_67| .cse28 1) |v_#valid_68|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_13| (store |v_#memory_$Pointer$.base_401| |c_ULTIMATE.start_main_~user~0#1.base| (store (store (store .cse27 .cse15 0) .cse10 0) .cse12 .cse28)))))))))) (= (store |v_#memory_$Pointer$.offset_134| .cse30 (store (select |v_#memory_$Pointer$.offset_134| .cse30) .cse31 (select (select |v_#memory_$Pointer$.offset_136| .cse30) .cse31))) |v_#memory_$Pointer$.offset_136|) (= |c_#memory_$Pointer$.base| (store .cse32 .cse5 (store (select .cse32 .cse5) .cse6 (select (select |c_#memory_$Pointer$.base| .cse5) .cse6)))) (= |c_#valid| (store |v_#valid_68| |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 1)) (= |v_#memory_$Pointer$.base_135| (store |v_#memory_$Pointer$.base_136| .cse30 (store (select |v_#memory_$Pointer$.base_136| .cse30) .cse31 (select (select |v_#memory_$Pointer$.base_135| .cse30) .cse31)))) (= (store |v_#memory_$Pointer$.offset_135| .cse7 (store (select |v_#memory_$Pointer$.offset_135| .cse7) .cse8 (select (select |v_#memory_$Pointer$.offset_134| .cse7) .cse8))) |v_#memory_$Pointer$.offset_134|) (= |v_#memory_$Pointer$.offset_135| (store .cse33 .cse3 (store (select .cse33 .cse3) .cse4 (select (select |v_#memory_$Pointer$.offset_135| .cse3) .cse4)))) (= (store |v_#memory_int_477| .cse34 (store (select |v_#memory_int_477| .cse34) .cse35 (select (select |v_#memory_int_147| .cse34) .cse35))) |v_#memory_int_147|) (<= (+ |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 1) |c_#StackHeapBarrier|) (not (= |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 0)) (= (let ((.cse36 (let ((.cse39 (let ((.cse40 (store |v_#memory_int_147| .cse3 (store (select |v_#memory_int_147| .cse3) .cse4 32)))) (store .cse40 .cse7 (store (select .cse40 .cse7) .cse8 5))))) (store .cse39 .cse30 (store (select .cse39 .cse30) .cse31 8))))) (store .cse36 .cse37 (store (select .cse36 .cse37) .cse38 (select (select |v_#memory_int_146| .cse37) .cse38)))) |v_#memory_int_146|) (= |c_#memory_$Pointer$.offset| (store .cse41 .cse5 (store (select .cse41 .cse5) .cse6 (select (select |c_#memory_$Pointer$.offset| .cse5) .cse6)))) (= (store |v_#length_33| |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 384) |c_#length|)))))) (= (select (select |c_#memory_$Pointer$.base| .cse0) .cse1) |c_ULTIMATE.start_main_#t~mem64#1.base|)))) is different from false [2024-11-09 06:05:35,682 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3659#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~tmp~0#1.base| 0) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~tmp~0#1.offset| 0) (<= 2 |ULTIMATE.start_main_~#i~0#1.base|) (= |ULTIMATE.start_main_~user~0#1.offset| 0) (= ~count_int_int~0 0) (= |ULTIMATE.start_main_~#i~0#1.offset| 0))' at error location [2024-11-09 06:05:35,682 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 06:05:35,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:05:35,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-09 06:05:35,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506455472] [2024-11-09 06:05:35,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:05:35,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 06:05:35,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:05:35,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 06:05:35,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=1039, Unknown=24, NotChecked=204, Total=1406 [2024-11-09 06:05:35,687 INFO L87 Difference]: Start difference. First operand 141 states and 171 transitions. Second operand has 10 states, 7 states have (on average 11.285714285714286) internal successors, (79), 10 states have internal predecessors, (79), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 06:05:39,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:05:41,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:05:43,783 WARN L539 Checker$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 06:05:45,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:05:47,791 WARN L539 Checker$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 06:05:49,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:05:51,803 WARN L539 Checker$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 06:05:53,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:05:55,810 WARN L539 Checker$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 06:05:57,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:06:00,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:06:02,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:06:04,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:06:04,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:06:04,160 INFO L93 Difference]: Finished difference Result 269 states and 335 transitions. [2024-11-09 06:06:04,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 06:06:04,161 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 11.285714285714286) internal successors, (79), 10 states have internal predecessors, (79), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 75 [2024-11-09 06:06:04,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:06:04,162 INFO L225 Difference]: With dead ends: 269 [2024-11-09 06:06:04,163 INFO L226 Difference]: Without dead ends: 149 [2024-11-09 06:06:04,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 177 SyntacticMatches, 15 SemanticMatches, 39 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 480 ImplicationChecksByTransitivity, 82.0s TimeCoverageRelationStatistics Valid=164, Invalid=1230, Unknown=24, NotChecked=222, Total=1640 [2024-11-09 06:06:04,165 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 5 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 5 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:06:04,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 504 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 107 Invalid, 11 Unknown, 0 Unchecked, 27.9s Time] [2024-11-09 06:06:04,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-09 06:06:04,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-11-09 06:06:04,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 135 states have (on average 1.2222222222222223) internal successors, (165), 142 states have internal predecessors, (165), 8 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (10), 4 states have call predecessors, (10), 8 states have call successors, (10) [2024-11-09 06:06:04,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 183 transitions. [2024-11-09 06:06:04,183 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 183 transitions. Word has length 75 [2024-11-09 06:06:04,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:06:04,184 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 183 transitions. [2024-11-09 06:06:04,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 11.285714285714286) internal successors, (79), 10 states have internal predecessors, (79), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 06:06:04,185 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 183 transitions. [2024-11-09 06:06:04,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 06:06:04,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:06:04,188 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:06:04,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 06:06:04,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:06:04,389 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:06:04,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:06:04,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1957749653, now seen corresponding path program 2 times [2024-11-09 06:06:04,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:06:04,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781100818] [2024-11-09 06:06:04,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:06:04,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:06:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:06:06,723 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 06:06:06,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:06:06,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781100818] [2024-11-09 06:06:06,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781100818] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:06:06,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672924367] [2024-11-09 06:06:06,724 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 06:06:06,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:06:06,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:06:06,728 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:06:06,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946f355c-8049-47a9-91fa-19eb301d4df5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process