./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.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_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/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_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/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_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:07:23,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:07:23,257 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:07:23,262 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:07:23,263 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:07:23,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:07:23,290 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:07:23,291 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:07:23,291 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:07:23,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:07:23,292 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:07:23,293 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:07:23,294 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:07:23,294 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:07:23,295 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:07:23,295 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:07:23,296 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:07:23,296 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:07:23,300 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:07:23,301 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:07:23,301 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:07:23,304 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:07:23,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:07:23,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:07:23,306 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:07:23,307 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:07:23,307 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:07:23,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:07:23,308 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:07:23,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:07:23,309 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:07:23,309 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:07:23,309 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:07:23,310 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:07:23,310 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:07:23,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:07:23,311 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:07:23,311 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:07:23,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:07:23,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:07:23,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:07:23,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:07:23,313 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:07:23,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:07:23,313 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:07:23,314 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:07:23,314 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:07:23,314 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_f5a847f1-5237-4a10-86b7-f203dedf52da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 [2024-11-09 05:07:23,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:07:23,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:07:23,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:07:23,629 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:07:23,629 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:07:23,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i Unable to find full path for "g++" [2024-11-09 05:07:25,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:07:26,098 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:07:26,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i [2024-11-09 05:07:26,133 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/data/870f4488d/ea60147d91cd49e8810d8adfb3c5edc0/FLAG706972b39 [2024-11-09 05:07:26,156 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/data/870f4488d/ea60147d91cd49e8810d8adfb3c5edc0 [2024-11-09 05:07:26,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:07:26,165 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:07:26,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:07:26,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:07:26,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:07:26,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:07:26" (1/1) ... [2024-11-09 05:07:26,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25face7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:07:26, skipping insertion in model container [2024-11-09 05:07:26,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:07:26" (1/1) ... [2024-11-09 05:07:26,250 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:07:26,747 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_f5a847f1-5237-4a10-86b7-f203dedf52da/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i[33519,33532] [2024-11-09 05:07:26,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:07:26,908 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:07:26,960 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_f5a847f1-5237-4a10-86b7-f203dedf52da/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i[33519,33532] [2024-11-09 05:07:27,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:07:27,055 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:07:27,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:07:27 WrapperNode [2024-11-09 05:07:27,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:07:27,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:07:27,057 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:07:27,057 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:07:27,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:07:27" (1/1) ... [2024-11-09 05:07:27,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:07:27" (1/1) ... [2024-11-09 05:07:27,147 INFO L138 Inliner]: procedures = 176, calls = 169, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 779 [2024-11-09 05:07:27,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:07:27,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:07:27,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:07:27,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:07:27,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:07:27" (1/1) ... [2024-11-09 05:07:27,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:07:27" (1/1) ... [2024-11-09 05:07:27,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:07:27" (1/1) ... [2024-11-09 05:07:27,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:07:27" (1/1) ... [2024-11-09 05:07:27,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:07:27" (1/1) ... [2024-11-09 05:07:27,233 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:07:27" (1/1) ... [2024-11-09 05:07:27,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:07:27" (1/1) ... [2024-11-09 05:07:27,247 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:07:27" (1/1) ... [2024-11-09 05:07:27,254 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:07:27,259 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:07:27,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:07:27,259 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:07:27,260 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:07:27" (1/1) ... [2024-11-09 05:07:27,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:07:27,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:07:27,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:07:27,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:07:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:07:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:07:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 05:07:27,328 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 05:07:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:07:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:07:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:07:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:07:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:07:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:07:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:07:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:07:27,512 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:07:27,514 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:07:28,754 INFO L? ?]: Removed 196 outVars from TransFormulas that were not future-live. [2024-11-09 05:07:28,754 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:07:29,601 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:07:29,602 INFO L316 CfgBuilder]: Removed 27 assume(true) statements. [2024-11-09 05:07:29,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:07:29 BoogieIcfgContainer [2024-11-09 05:07:29,603 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:07:29,606 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:07:29,607 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:07:29,611 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:07:29,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:07:26" (1/3) ... [2024-11-09 05:07:29,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee1b44f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:07:29, skipping insertion in model container [2024-11-09 05:07:29,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:07:27" (2/3) ... [2024-11-09 05:07:29,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee1b44f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:07:29, skipping insertion in model container [2024-11-09 05:07:29,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:07:29" (3/3) ... [2024-11-09 05:07:29,616 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test1-1.i [2024-11-09 05:07:29,637 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:07:29,637 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:07:29,710 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:07:29,719 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;@1772bf5b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:07:29,719 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:07:29,723 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 64 states have (on average 1.6875) internal successors, (108), 65 states have internal predecessors, (108), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 05:07:29,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 05:07:29,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:07:29,731 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:07:29,731 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:07:29,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:07:29,736 INFO L85 PathProgramCache]: Analyzing trace with hash 147024869, now seen corresponding path program 1 times [2024-11-09 05:07:29,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:07:29,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280344201] [2024-11-09 05:07:29,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:07:29,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:07:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:07:29,940 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 05:07:29,941 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:07:29,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280344201] [2024-11-09 05:07:29,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280344201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:07:29,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:07:29,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:07:29,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689058953] [2024-11-09 05:07:29,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:07:29,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:07:29,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:07:29,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:07:29,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:07:29,983 INFO L87 Difference]: Start difference. First operand has 70 states, 64 states have (on average 1.6875) internal successors, (108), 65 states have internal predecessors, (108), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:07:32,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:07:34,051 WARN L539 Checker$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 05:07:36,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:07:38,169 WARN L539 Checker$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 05:07:40,184 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 05:07:41,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:07:41,794 INFO L93 Difference]: Finished difference Result 196 states and 326 transitions. [2024-11-09 05:07:41,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:07:41,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 05:07:41,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:07:41,808 INFO L225 Difference]: With dead ends: 196 [2024-11-09 05:07:41,808 INFO L226 Difference]: Without dead ends: 125 [2024-11-09 05:07:41,811 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 05:07:41,814 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 60 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:07:41,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 146 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 5 Unknown, 0 Unchecked, 11.8s Time] [2024-11-09 05:07:41,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-09 05:07:41,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 70. [2024-11-09 05:07:41,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 65 states have (on average 1.1846153846153846) internal successors, (77), 65 states have internal predecessors, (77), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 05:07:41,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 83 transitions. [2024-11-09 05:07:41,867 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 83 transitions. Word has length 7 [2024-11-09 05:07:41,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:07:41,869 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 83 transitions. [2024-11-09 05:07:41,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:07:41,870 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 83 transitions. [2024-11-09 05:07:41,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 05:07:41,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:07:41,873 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:07:41,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:07:41,874 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:07:41,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:07:41,875 INFO L85 PathProgramCache]: Analyzing trace with hash -926114224, now seen corresponding path program 1 times [2024-11-09 05:07:41,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:07:41,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587581874] [2024-11-09 05:07:41,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:07:41,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:07:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:07:42,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:07:42,378 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:07:42,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587581874] [2024-11-09 05:07:42,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587581874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:07:42,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:07:42,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:07:42,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172152158] [2024-11-09 05:07:42,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:07:42,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:07:42,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:07:42,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:07:42,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:07:42,383 INFO L87 Difference]: Start difference. First operand 70 states and 83 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:07:44,409 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 05:07:46,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:07:48,524 WARN L539 Checker$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 05:07:50,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:07:52,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:07:52,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:07:52,344 INFO L93 Difference]: Finished difference Result 153 states and 182 transitions. [2024-11-09 05:07:52,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:07:52,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2024-11-09 05:07:52,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:07:52,349 INFO L225 Difference]: With dead ends: 153 [2024-11-09 05:07:52,349 INFO L226 Difference]: Without dead ends: 86 [2024-11-09 05:07:52,350 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 05:07:52,353 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 6 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:07:52,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 131 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 4 Unknown, 0 Unchecked, 9.9s Time] [2024-11-09 05:07:52,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-09 05:07:52,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-09 05:07:52,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 81 states have (on average 1.1728395061728396) internal successors, (95), 81 states have internal predecessors, (95), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 05:07:52,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 101 transitions. [2024-11-09 05:07:52,373 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 101 transitions. Word has length 36 [2024-11-09 05:07:52,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:07:52,374 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 101 transitions. [2024-11-09 05:07:52,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:07:52,375 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions. [2024-11-09 05:07:52,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 05:07:52,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:07:52,378 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:07:52,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:07:52,378 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:07:52,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:07:52,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1521936656, now seen corresponding path program 1 times [2024-11-09 05:07:52,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:07:52,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689345650] [2024-11-09 05:07:52,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:07:52,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:07:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:07:52,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 05:07:52,911 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:07:52,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689345650] [2024-11-09 05:07:52,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689345650] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:07:52,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868413038] [2024-11-09 05:07:52,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:07:52,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:07:52,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:07:52,917 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:07:52,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:07:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:07:53,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:07:53,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:07:53,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 05:07:53,391 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:07:53,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 05:07:53,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868413038] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:07:53,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1847650107] [2024-11-09 05:07:53,537 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2024-11-09 05:07:53,538 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:07:53,543 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:07:53,549 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:07:53,549 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:08:00,091 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 204 for LOIs [2024-11-09 05:08:00,230 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:08:27,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1847650107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:08:27,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:08:27,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4, 4] total 17 [2024-11-09 05:08:27,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822428154] [2024-11-09 05:08:27,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:08:27,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 05:08:27,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:08:27,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 05:08:27,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=186, Unknown=7, NotChecked=0, Total=272 [2024-11-09 05:08:27,765 INFO L87 Difference]: Start difference. First operand 86 states and 101 transitions. Second operand has 13 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 11 states have internal predecessors, (43), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 05:08:29,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:08:32,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:08:34,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:08:36,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:08:38,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:08:41,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:08:43,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:08:45,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:08:47,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:08:49,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:08:51,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:08:53,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:08:55,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:08:57,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:08:59,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:09:01,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:09:03,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:09:05,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:09:08,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:09:10,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:09:12,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:09:16,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:09:28,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:09:30,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:09:33,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:09:35,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:09:37,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:09:39,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:09:41,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:09:43,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:09:48,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:09:52,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:09:54,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:09:56,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:09:58,695 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 [0] [2024-11-09 05:09:59,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:09:59,003 INFO L93 Difference]: Finished difference Result 167 states and 199 transitions. [2024-11-09 05:09:59,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 05:09:59,010 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 11 states have internal predecessors, (43), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 49 [2024-11-09 05:09:59,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:09:59,012 INFO L225 Difference]: With dead ends: 167 [2024-11-09 05:09:59,012 INFO L226 Difference]: Without dead ends: 87 [2024-11-09 05:09:59,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 133 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 27.5s TimeCoverageRelationStatistics Valid=79, Invalid=186, Unknown=7, NotChecked=0, Total=272 [2024-11-09 05:09:59,014 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 6 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 1 mSolverCounterUnsat, 35 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 90.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 35 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 91.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:09:59,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 491 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 469 Invalid, 35 Unknown, 0 Unchecked, 91.2s Time] [2024-11-09 05:09:59,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-09 05:09:59,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-09 05:09:59,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 81 states have (on average 1.1481481481481481) internal successors, (93), 81 states have internal predecessors, (93), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 05:09:59,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 101 transitions. [2024-11-09 05:09:59,038 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 101 transitions. Word has length 49 [2024-11-09 05:09:59,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:09:59,039 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 101 transitions. [2024-11-09 05:09:59,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 11 states have internal predecessors, (43), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 05:09:59,039 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2024-11-09 05:09:59,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 05:09:59,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:09:59,041 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:09:59,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 05:09:59,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-09 05:09:59,242 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:09:59,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:09:59,243 INFO L85 PathProgramCache]: Analyzing trace with hash 698702916, now seen corresponding path program 1 times [2024-11-09 05:09:59,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:09:59,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155764069] [2024-11-09 05:09:59,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:09:59,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:09:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:09:59,589 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:09:59,589 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:09:59,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155764069] [2024-11-09 05:09:59,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155764069] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:09:59,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061469824] [2024-11-09 05:09:59,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:09:59,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:09:59,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:09:59,593 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:09:59,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:10:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:10:00,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:10:00,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:10:00,229 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:10:00,229 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:10:00,436 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:10:00,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061469824] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:10:00,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1009763896] [2024-11-09 05:10:00,440 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2024-11-09 05:10:00,441 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:10:00,441 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:10:00,442 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:10:00,442 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:10:38,635 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 384 for LOIs [2024-11-09 05:10:44,376 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:11:14,823 WARN L286 SmtUtils]: Spent 5.20s on a formula simplification. DAG size of input: 206 DAG size of output: 195 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:12:19,958 WARN L286 SmtUtils]: Spent 42.89s on a formula simplification. DAG size of input: 384 DAG size of output: 373 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:12:37,369 WARN L286 SmtUtils]: Spent 9.25s on a formula simplification that was a NOOP. DAG size: 176 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:12:49,376 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 181 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:13:38,573 WARN L286 SmtUtils]: Spent 23.22s on a formula simplification that was a NOOP. DAG size: 214 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:14:34,513 WARN L286 SmtUtils]: Spent 24.35s on a formula simplification that was a NOOP. DAG size: 208 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:15:33,130 WARN L286 SmtUtils]: Spent 33.06s on a formula simplification that was a NOOP. DAG size: 212 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:15:35,148 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((|v_#memory_$Pointer$.base_300| (Array Int (Array Int Int))) (|v_#memory_int_343| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_300| (Array Int (Array Int Int)))) (let ((.cse1 (+ (select (select |v_#memory_$Pointer$.offset_300| |c_ULTIMATE.start_main_~users~0#1.base|) 8) 12)) (.cse0 (select (select |v_#memory_$Pointer$.base_300| |c_ULTIMATE.start_main_~users~0#1.base|) 8))) (and (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_300| .cse0 (store (select |v_#memory_$Pointer$.base_300| .cse0) .cse1 (select (select |c_#memory_$Pointer$.base| .cse0) .cse1)))) (= (store |v_#memory_$Pointer$.offset_300| .cse0 (store (select |v_#memory_$Pointer$.offset_300| .cse0) .cse1 (select (select |c_#memory_$Pointer$.offset| .cse0) .cse1))) |c_#memory_$Pointer$.offset|) (= (store |v_#memory_int_343| .cse0 (let ((.cse2 (select |v_#memory_int_343| .cse0))) (store .cse2 .cse1 (+ (select .cse2 .cse1) 1)))) |c_#memory_int|)))) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (let ((.cse24 (exists ((|v_#Ultimate.C_memset_#t~loopctr160_27| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr160_27|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr160_27| 4294967296)))))) (or (and (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_#valid_50| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_17| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_#length_38| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_#memory_int_342| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| (Array Int (Array Int Int))) (|v_#memory_int_102| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_299| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_299| (Array Int (Array Int Int)))) (let ((.cse22 (select (select |v_#memory_$Pointer$.base_299| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse23 (+ (select (select |v_#memory_$Pointer$.offset_299| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 16)) (.cse14 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse15 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse8 (store |v_#memory_$Pointer$.offset_96| .cse14 (store (select |v_#memory_$Pointer$.offset_96| .cse14) .cse15 0))) (.cse21 (store |v_#memory_$Pointer$.base_96| .cse14 (store (select |v_#memory_$Pointer$.base_96| .cse14) .cse15 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|))) (.cse20 (store |v_#memory_$Pointer$.offset_299| .cse22 (store (select |v_#memory_$Pointer$.offset_299| .cse22) .cse23 8))) (.cse5 (store |v_#memory_$Pointer$.base_299| .cse22 (store (select |v_#memory_$Pointer$.base_299| .cse22) .cse23 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse6 (select (select .cse5 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse7 (+ (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse9 (select (select .cse21 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse10 (+ 40 (select (select .cse8 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse11 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse12 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse18 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8))) (and (let ((.cse3 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse4 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| .cse3) .cse4) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| .cse3) .cse4) 0)))) (= |v_#memory_$Pointer$.base_95| (store .cse5 .cse6 (store (select .cse5 .cse6) .cse7 (select (select |v_#memory_$Pointer$.base_95| .cse6) .cse7)))) (= |c_#length| (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| (store .cse8 .cse9 (store (select .cse8 .cse9) .cse10 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| .cse9) .cse10)))) (= (store |v_#memory_$Pointer$.base_97| .cse11 (store (select |v_#memory_$Pointer$.base_97| .cse11) .cse12 (select (select |v_#memory_$Pointer$.base_96| .cse11) .cse12))) |v_#memory_$Pointer$.base_96|) (= (let ((.cse13 (let ((.cse16 (let ((.cse17 (store |v_#memory_int_102| .cse6 (store (select |v_#memory_int_102| .cse6) .cse7 32)))) (store .cse17 .cse18 (store (select .cse17 .cse18) .cse19 5))))) (store .cse16 .cse11 (store (select .cse16 .cse11) .cse12 8))))) (store .cse13 .cse14 (store (select .cse13 .cse14) .cse15 (select (select |v_#memory_int_103| .cse14) .cse15)))) |v_#memory_int_103|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (= (store .cse20 .cse6 (store (select .cse20 .cse6) .cse7 (select (select |v_#memory_$Pointer$.offset_97| .cse6) .cse7))) |v_#memory_$Pointer$.offset_97|) (= (store .cse21 .cse9 (store (select .cse21 .cse9) .cse10 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| .cse9) .cse10))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_17|) (= (store |v_#memory_$Pointer$.offset_95| .cse11 (store (select |v_#memory_$Pointer$.offset_95| .cse11) .cse12 (select (select |v_#memory_$Pointer$.offset_96| .cse11) .cse12))) |v_#memory_$Pointer$.offset_96|) (= 0 (select |v_#valid_50| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|)) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= |c_#valid| (store |v_#valid_50| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= (store |v_#memory_$Pointer$.base_95| .cse18 (store (select |v_#memory_$Pointer$.base_95| .cse18) .cse19 (select (select |v_#memory_$Pointer$.base_97| .cse18) .cse19))) |v_#memory_$Pointer$.base_97|) (= (store |v_#memory_$Pointer$.offset_97| .cse18 (store (select |v_#memory_$Pointer$.offset_97| .cse18) .cse19 (select (select |v_#memory_$Pointer$.offset_95| .cse18) .cse19))) |v_#memory_$Pointer$.offset_95|) (= |v_#memory_int_102| (store |v_#memory_int_342| .cse22 (store (select |v_#memory_int_342| .cse22) .cse23 (select (select |v_#memory_int_102| .cse22) .cse23))))))))) .cse24) (and (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_#valid_50| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_18| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_#length_38| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_#memory_int_342| (Array Int (Array Int Int))) (|v_#memory_int_102| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_299| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_299| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| (Array Int (Array Int Int)))) (let ((.cse44 (select (select |v_#memory_$Pointer$.base_299| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse45 (+ (select (select |v_#memory_$Pointer$.offset_299| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 16)) (.cse31 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse43 (store |v_#memory_$Pointer$.offset_96| .cse31 (store (select |v_#memory_$Pointer$.offset_96| .cse31) .cse32 0))) (.cse40 (store |v_#memory_$Pointer$.base_96| .cse31 (store (select |v_#memory_$Pointer$.base_96| .cse31) .cse32 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|))) (.cse37 (store |v_#memory_$Pointer$.offset_299| .cse44 (store (select |v_#memory_$Pointer$.offset_299| .cse44) .cse45 8))) (.cse25 (store |v_#memory_$Pointer$.base_299| .cse44 (store (select |v_#memory_$Pointer$.base_299| .cse44) .cse45 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse26 (select (select .cse25 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse27 (+ (select (select .cse37 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse28 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse29 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse35 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse36 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse41 (select (select .cse40 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse42 (+ 40 (select (select .cse43 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= |v_#memory_$Pointer$.base_95| (store .cse25 .cse26 (store (select .cse25 .cse26) .cse27 (select (select |v_#memory_$Pointer$.base_95| .cse26) .cse27)))) (= |c_#length| (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384)) (= (store |v_#memory_$Pointer$.base_97| .cse28 (store (select |v_#memory_$Pointer$.base_97| .cse28) .cse29 (select (select |v_#memory_$Pointer$.base_96| .cse28) .cse29))) |v_#memory_$Pointer$.base_96|) (= (let ((.cse30 (let ((.cse33 (let ((.cse34 (store |v_#memory_int_102| .cse26 (store (select |v_#memory_int_102| .cse26) .cse27 32)))) (store .cse34 .cse35 (store (select .cse34 .cse35) .cse36 5))))) (store .cse33 .cse28 (store (select .cse33 .cse28) .cse29 8))))) (store .cse30 .cse31 (store (select .cse30 .cse31) .cse32 (select (select |v_#memory_int_103| .cse31) .cse32)))) |v_#memory_int_103|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (= (store .cse37 .cse26 (store (select .cse37 .cse26) .cse27 (select (select |v_#memory_$Pointer$.offset_97| .cse26) .cse27))) |v_#memory_$Pointer$.offset_97|) (let ((.cse38 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse39 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| .cse38) .cse39) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| .cse38) .cse39) 0)))) (= (store |v_#memory_$Pointer$.offset_95| .cse28 (store (select |v_#memory_$Pointer$.offset_95| .cse28) .cse29 (select (select |v_#memory_$Pointer$.offset_96| .cse28) .cse29))) |v_#memory_$Pointer$.offset_96|) (= 0 (select |v_#valid_50| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|)) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| (store .cse40 .cse41 (store (select .cse40 .cse41) .cse42 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| .cse41) .cse42)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= |c_#valid| (store |v_#valid_50| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= (store |v_#memory_$Pointer$.base_95| .cse35 (store (select |v_#memory_$Pointer$.base_95| .cse35) .cse36 (select (select |v_#memory_$Pointer$.base_97| .cse35) .cse36))) |v_#memory_$Pointer$.base_97|) (= (store |v_#memory_$Pointer$.offset_97| .cse35 (store (select |v_#memory_$Pointer$.offset_97| .cse35) .cse36 (select (select |v_#memory_$Pointer$.offset_95| .cse35) .cse36))) |v_#memory_$Pointer$.offset_95|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| (store .cse43 .cse41 (store (select .cse43 .cse41) .cse42 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| .cse41) .cse42)))) (= |v_#memory_int_102| (store |v_#memory_int_342| .cse44 (store (select |v_#memory_int_342| .cse44) .cse45 (select (select |v_#memory_int_102| .cse44) .cse45))))))))) .cse24))) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|)) is different from false [2024-11-09 05:15:37,203 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((|v_#memory_$Pointer$.base_300| (Array Int (Array Int Int))) (|v_#memory_int_343| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_300| (Array Int (Array Int Int)))) (let ((.cse1 (+ (select (select |v_#memory_$Pointer$.offset_300| |c_ULTIMATE.start_main_~users~0#1.base|) 8) 12)) (.cse0 (select (select |v_#memory_$Pointer$.base_300| |c_ULTIMATE.start_main_~users~0#1.base|) 8))) (and (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_300| .cse0 (store (select |v_#memory_$Pointer$.base_300| .cse0) .cse1 (select (select |c_#memory_$Pointer$.base| .cse0) .cse1)))) (= (store |v_#memory_$Pointer$.offset_300| .cse0 (store (select |v_#memory_$Pointer$.offset_300| .cse0) .cse1 (select (select |c_#memory_$Pointer$.offset| .cse0) .cse1))) |c_#memory_$Pointer$.offset|) (= (store |v_#memory_int_343| .cse0 (let ((.cse2 (select |v_#memory_int_343| .cse0))) (store .cse2 .cse1 (+ (select .cse2 .cse1) 1)))) |c_#memory_int|)))) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (let ((.cse24 (exists ((|v_#Ultimate.C_memset_#t~loopctr160_27| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr160_27|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr160_27| 4294967296)))))) (or (and (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_#valid_50| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_17| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_#length_38| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_#memory_int_342| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| (Array Int (Array Int Int))) (|v_#memory_int_102| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_299| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_299| (Array Int (Array Int Int)))) (let ((.cse22 (select (select |v_#memory_$Pointer$.base_299| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse23 (+ (select (select |v_#memory_$Pointer$.offset_299| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 16)) (.cse14 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse15 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse8 (store |v_#memory_$Pointer$.offset_96| .cse14 (store (select |v_#memory_$Pointer$.offset_96| .cse14) .cse15 0))) (.cse21 (store |v_#memory_$Pointer$.base_96| .cse14 (store (select |v_#memory_$Pointer$.base_96| .cse14) .cse15 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|))) (.cse20 (store |v_#memory_$Pointer$.offset_299| .cse22 (store (select |v_#memory_$Pointer$.offset_299| .cse22) .cse23 8))) (.cse5 (store |v_#memory_$Pointer$.base_299| .cse22 (store (select |v_#memory_$Pointer$.base_299| .cse22) .cse23 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse6 (select (select .cse5 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse7 (+ (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse9 (select (select .cse21 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse10 (+ 40 (select (select .cse8 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse11 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse12 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse18 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8))) (and (let ((.cse3 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse4 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| .cse3) .cse4) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| .cse3) .cse4) 0)))) (= |v_#memory_$Pointer$.base_95| (store .cse5 .cse6 (store (select .cse5 .cse6) .cse7 (select (select |v_#memory_$Pointer$.base_95| .cse6) .cse7)))) (= |c_#length| (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| (store .cse8 .cse9 (store (select .cse8 .cse9) .cse10 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| .cse9) .cse10)))) (= (store |v_#memory_$Pointer$.base_97| .cse11 (store (select |v_#memory_$Pointer$.base_97| .cse11) .cse12 (select (select |v_#memory_$Pointer$.base_96| .cse11) .cse12))) |v_#memory_$Pointer$.base_96|) (= (let ((.cse13 (let ((.cse16 (let ((.cse17 (store |v_#memory_int_102| .cse6 (store (select |v_#memory_int_102| .cse6) .cse7 32)))) (store .cse17 .cse18 (store (select .cse17 .cse18) .cse19 5))))) (store .cse16 .cse11 (store (select .cse16 .cse11) .cse12 8))))) (store .cse13 .cse14 (store (select .cse13 .cse14) .cse15 (select (select |v_#memory_int_103| .cse14) .cse15)))) |v_#memory_int_103|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (= (store .cse20 .cse6 (store (select .cse20 .cse6) .cse7 (select (select |v_#memory_$Pointer$.offset_97| .cse6) .cse7))) |v_#memory_$Pointer$.offset_97|) (= (store .cse21 .cse9 (store (select .cse21 .cse9) .cse10 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| .cse9) .cse10))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_17|) (= (store |v_#memory_$Pointer$.offset_95| .cse11 (store (select |v_#memory_$Pointer$.offset_95| .cse11) .cse12 (select (select |v_#memory_$Pointer$.offset_96| .cse11) .cse12))) |v_#memory_$Pointer$.offset_96|) (= 0 (select |v_#valid_50| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|)) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= |c_#valid| (store |v_#valid_50| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= (store |v_#memory_$Pointer$.base_95| .cse18 (store (select |v_#memory_$Pointer$.base_95| .cse18) .cse19 (select (select |v_#memory_$Pointer$.base_97| .cse18) .cse19))) |v_#memory_$Pointer$.base_97|) (= (store |v_#memory_$Pointer$.offset_97| .cse18 (store (select |v_#memory_$Pointer$.offset_97| .cse18) .cse19 (select (select |v_#memory_$Pointer$.offset_95| .cse18) .cse19))) |v_#memory_$Pointer$.offset_95|) (= |v_#memory_int_102| (store |v_#memory_int_342| .cse22 (store (select |v_#memory_int_342| .cse22) .cse23 (select (select |v_#memory_int_102| .cse22) .cse23))))))))) .cse24) (and (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_#valid_50| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_18| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_#length_38| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_#memory_int_342| (Array Int (Array Int Int))) (|v_#memory_int_102| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_299| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_299| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| (Array Int (Array Int Int)))) (let ((.cse44 (select (select |v_#memory_$Pointer$.base_299| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse45 (+ (select (select |v_#memory_$Pointer$.offset_299| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 16)) (.cse31 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse43 (store |v_#memory_$Pointer$.offset_96| .cse31 (store (select |v_#memory_$Pointer$.offset_96| .cse31) .cse32 0))) (.cse40 (store |v_#memory_$Pointer$.base_96| .cse31 (store (select |v_#memory_$Pointer$.base_96| .cse31) .cse32 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|))) (.cse37 (store |v_#memory_$Pointer$.offset_299| .cse44 (store (select |v_#memory_$Pointer$.offset_299| .cse44) .cse45 8))) (.cse25 (store |v_#memory_$Pointer$.base_299| .cse44 (store (select |v_#memory_$Pointer$.base_299| .cse44) .cse45 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse26 (select (select .cse25 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse27 (+ (select (select .cse37 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse28 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse29 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse35 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse36 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse41 (select (select .cse40 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse42 (+ 40 (select (select .cse43 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= |v_#memory_$Pointer$.base_95| (store .cse25 .cse26 (store (select .cse25 .cse26) .cse27 (select (select |v_#memory_$Pointer$.base_95| .cse26) .cse27)))) (= |c_#length| (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384)) (= (store |v_#memory_$Pointer$.base_97| .cse28 (store (select |v_#memory_$Pointer$.base_97| .cse28) .cse29 (select (select |v_#memory_$Pointer$.base_96| .cse28) .cse29))) |v_#memory_$Pointer$.base_96|) (= (let ((.cse30 (let ((.cse33 (let ((.cse34 (store |v_#memory_int_102| .cse26 (store (select |v_#memory_int_102| .cse26) .cse27 32)))) (store .cse34 .cse35 (store (select .cse34 .cse35) .cse36 5))))) (store .cse33 .cse28 (store (select .cse33 .cse28) .cse29 8))))) (store .cse30 .cse31 (store (select .cse30 .cse31) .cse32 (select (select |v_#memory_int_103| .cse31) .cse32)))) |v_#memory_int_103|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (= (store .cse37 .cse26 (store (select .cse37 .cse26) .cse27 (select (select |v_#memory_$Pointer$.offset_97| .cse26) .cse27))) |v_#memory_$Pointer$.offset_97|) (let ((.cse38 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse39 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| .cse38) .cse39) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| .cse38) .cse39) 0)))) (= (store |v_#memory_$Pointer$.offset_95| .cse28 (store (select |v_#memory_$Pointer$.offset_95| .cse28) .cse29 (select (select |v_#memory_$Pointer$.offset_96| .cse28) .cse29))) |v_#memory_$Pointer$.offset_96|) (= 0 (select |v_#valid_50| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|)) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| (store .cse40 .cse41 (store (select .cse40 .cse41) .cse42 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| .cse41) .cse42)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= |c_#valid| (store |v_#valid_50| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= (store |v_#memory_$Pointer$.base_95| .cse35 (store (select |v_#memory_$Pointer$.base_95| .cse35) .cse36 (select (select |v_#memory_$Pointer$.base_97| .cse35) .cse36))) |v_#memory_$Pointer$.base_97|) (= (store |v_#memory_$Pointer$.offset_97| .cse35 (store (select |v_#memory_$Pointer$.offset_97| .cse35) .cse36 (select (select |v_#memory_$Pointer$.offset_95| .cse35) .cse36))) |v_#memory_$Pointer$.offset_95|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| (store .cse43 .cse41 (store (select .cse43 .cse41) .cse42 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| .cse41) .cse42)))) (= |v_#memory_int_102| (store |v_#memory_int_342| .cse44 (store (select |v_#memory_int_342| .cse44) .cse45 (select (select |v_#memory_int_102| .cse44) .cse45))))))))) .cse24))) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|) (let ((.cse50 (mod (+ (select (select |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) 8)) (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) 8) 4)) 4294967295) 4294967296)) (.cse51 (mod |c_ULTIMATE.start_main_~_ha_hashv~0#1| 4294967296))) (let ((.cse46 (= .cse51 0)) (.cse47 (= .cse50 0))) (or (and (= |c_ULTIMATE.start_main_~_ha_bkt~0#1| 0) (or .cse46 .cse47)) (and (not .cse46) (let ((.cse48 (= .cse50 .cse51))) (or (and (= |c_ULTIMATE.start_main_~_ha_bkt~0#1| |c_ULTIMATE.start_main_~_ha_hashv~0#1|) .cse48) (let ((.cse49 (mod |c_ULTIMATE.start_main_~_ha_bkt~0#1| 4294967296))) (and (not .cse48) (<= .cse49 .cse50) (<= .cse49 .cse51))))) (not .cse47)))))) is different from false [2024-11-09 05:15:56,056 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1725#(<= 1 |#StackHeapBarrier|)' at error location [2024-11-09 05:15:56,057 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:15:56,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:15:56,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-09 05:15:56,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434322740] [2024-11-09 05:15:56,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:15:56,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:15:56,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:15:56,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:15:56,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=693, Unknown=63, NotChecked=114, Total=992 [2024-11-09 05:15:56,061 INFO L87 Difference]: Start difference. First operand 87 states and 101 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 05:15:58,119 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 05:16:00,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:16:02,313 WARN L539 Checker$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 05:16:04,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:16:06,850 WARN L539 Checker$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 05:16:08,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:16:10,873 WARN L539 Checker$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 05:16:12,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:16:14,975 WARN L539 Checker$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 05:16:16,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:16:18,988 WARN L539 Checker$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 05:16:21,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:16:23,023 WARN L539 Checker$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 05:16:27,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:16:27,014 INFO L93 Difference]: Finished difference Result 243 states and 289 transitions. [2024-11-09 05:16:27,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:16:27,015 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2024-11-09 05:16:27,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:16:27,017 INFO L225 Difference]: With dead ends: 243 [2024-11-09 05:16:27,017 INFO L226 Difference]: Without dead ends: 236 [2024-11-09 05:16:27,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 120 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 311.7s TimeCoverageRelationStatistics Valid=122, Invalid=693, Unknown=63, NotChecked=114, Total=992 [2024-11-09 05:16:27,020 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 222 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 7 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:16:27,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 244 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 64 Invalid, 13 Unknown, 0 Unchecked, 30.9s Time] [2024-11-09 05:16:27,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-09 05:16:27,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2024-11-09 05:16:27,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 222 states have (on average 1.1306306306306306) internal successors, (251), 221 states have internal predecessors, (251), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 05:16:27,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 275 transitions. [2024-11-09 05:16:27,056 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 275 transitions. Word has length 50 [2024-11-09 05:16:27,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:16:27,056 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 275 transitions. [2024-11-09 05:16:27,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 05:16:27,057 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 275 transitions. [2024-11-09 05:16:27,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 05:16:27,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:16:27,063 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:16:27,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 05:16:27,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-09 05:16:27,264 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:16:27,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:16:27,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1662335793, now seen corresponding path program 1 times [2024-11-09 05:16:27,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:16:27,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763909132] [2024-11-09 05:16:27,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:16:27,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:16:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:16:28,650 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 7 proven. 36 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-09 05:16:28,651 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:16:28,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763909132] [2024-11-09 05:16:28,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763909132] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:16:28,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322206118] [2024-11-09 05:16:28,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:16:28,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:16:28,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:16:28,655 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:16:28,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 05:16:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:16:29,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 1213 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 05:16:29,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:16:30,179 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:16:30,180 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:16:30,948 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:16:30,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322206118] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:16:30,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2068457990] [2024-11-09 05:16:30,953 INFO L159 IcfgInterpreter]: Started Sifa with 48 locations of interest [2024-11-09 05:16:30,954 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:16:30,954 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:16:30,955 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:16:30,955 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:16:58,544 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 204 for LOIs [2024-11-09 05:16:58,668 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:17:39,964 WARN L286 SmtUtils]: Spent 23.04s on a formula simplification. DAG size of input: 204 DAG size of output: 201 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:17:50,509 WARN L286 SmtUtils]: Spent 7.77s on a formula simplification that was a NOOP. DAG size: 176 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:18:00,336 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 181 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:18:02,358 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (let ((.cse0 (exists ((|v_#Ultimate.C_memset_#t~loopctr160_40| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr160_40| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr160_40|))))) (or (and .cse0 (exists ((|v_#memory_$Pointer$.offset_423| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_#valid_71| (Array Int Int)) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_31| (Array Int (Array Int Int))) (|v_#length_59| (Array Int Int)) (|v_#memory_$Pointer$.base_423| (Array Int (Array Int Int))) (|v_#memory_int_484| (Array Int (Array Int Int))) (|v_#memory_int_102| (Array Int (Array Int Int)))) (let ((.cse18 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse3 (select (select |v_#memory_$Pointer$.base_423| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse4 (+ 16 (select (select |v_#memory_$Pointer$.offset_423| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse13 (store |v_#memory_$Pointer$.offset_423| .cse3 (store (select |v_#memory_$Pointer$.offset_423| .cse3) .cse4 8))) (.cse10 (store |v_#memory_$Pointer$.base_423| .cse3 (store (select |v_#memory_$Pointer$.base_423| .cse3) .cse4 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse7 (store |v_#memory_$Pointer$.offset_96| .cse18 (store (select |v_#memory_$Pointer$.offset_96| .cse18) .cse19 0))) (.cse16 (store |v_#memory_$Pointer$.base_96| .cse18 (store (select |v_#memory_$Pointer$.base_96| .cse18) .cse19 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|))) (.cse22 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_31| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse23 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse1 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_31| .cse22) .cse23)) (.cse2 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| .cse22) .cse23)) (.cse8 (select (select .cse16 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse9 (+ 40 (select (select .cse7 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse5 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse6 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse14 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse15 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse11 (select (select .cse10 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse12 (+ (select (select .cse13 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (or (not (= .cse1 0)) (not (= .cse2 0))) (= (select |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|) 0) (= (store |v_#memory_int_484| .cse3 (store (select |v_#memory_int_484| .cse3) .cse4 (select (select |v_#memory_int_102| .cse3) .cse4))) |v_#memory_int_102|) (= |c_#valid| (store |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= (store |v_#length_59| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384) |c_#length|) (= (store |v_#memory_$Pointer$.base_97| .cse5 (store (select |v_#memory_$Pointer$.base_97| .cse5) .cse6 (select (select |v_#memory_$Pointer$.base_96| .cse5) .cse6))) |v_#memory_$Pointer$.base_96|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| (store .cse7 .cse8 (store (select .cse7 .cse8) .cse9 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| .cse8) .cse9)))) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (= |c_ULTIMATE.start_main_#t~mem64#1.base| .cse1) (= .cse2 |c_ULTIMATE.start_main_#t~mem64#1.offset|) (= (store |v_#memory_$Pointer$.offset_95| .cse5 (store (select |v_#memory_$Pointer$.offset_95| .cse5) .cse6 (select (select |v_#memory_$Pointer$.offset_96| .cse5) .cse6))) |v_#memory_$Pointer$.offset_96|) (= (store .cse10 .cse11 (store (select .cse10 .cse11) .cse12 (select (select |v_#memory_$Pointer$.base_95| .cse11) .cse12))) |v_#memory_$Pointer$.base_95|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= (store .cse13 .cse11 (store (select .cse13 .cse11) .cse12 (select (select |v_#memory_$Pointer$.offset_97| .cse11) .cse12))) |v_#memory_$Pointer$.offset_97|) (= (store |v_#memory_$Pointer$.base_95| .cse14 (store (select |v_#memory_$Pointer$.base_95| .cse14) .cse15 (select (select |v_#memory_$Pointer$.base_97| .cse14) .cse15))) |v_#memory_$Pointer$.base_97|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_31| (store .cse16 .cse8 (store (select .cse16 .cse8) .cse9 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_31| .cse8) .cse9)))) (= (store |v_#memory_$Pointer$.offset_97| .cse14 (store (select |v_#memory_$Pointer$.offset_97| .cse14) .cse15 (select (select |v_#memory_$Pointer$.offset_95| .cse14) .cse15))) |v_#memory_$Pointer$.offset_95|) (= (let ((.cse17 (let ((.cse20 (let ((.cse21 (store |v_#memory_int_102| .cse11 (store (select |v_#memory_int_102| .cse11) .cse12 32)))) (store .cse21 .cse14 (store (select .cse21 .cse14) .cse15 5))))) (store .cse20 .cse5 (store (select .cse20 .cse5) .cse6 8))))) (store .cse17 .cse18 (store (select .cse17 .cse18) .cse19 (select (select |v_#memory_int_103| .cse18) .cse19)))) |v_#memory_int_103|))))))) (and .cse0 (exists ((|v_#memory_$Pointer$.offset_423| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| (Array Int (Array Int Int))) (|v_#valid_71| (Array Int Int)) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_32| (Array Int (Array Int Int))) (|v_#length_59| (Array Int Int)) (|v_#memory_$Pointer$.base_423| (Array Int (Array Int Int))) (|v_#memory_int_484| (Array Int (Array Int Int))) (|v_#memory_int_102| (Array Int (Array Int Int)))) (let ((.cse41 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse42 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse24 (select (select |v_#memory_$Pointer$.base_423| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (+ 16 (select (select |v_#memory_$Pointer$.offset_423| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse37 (store |v_#memory_$Pointer$.offset_423| .cse24 (store (select |v_#memory_$Pointer$.offset_423| .cse24) .cse25 8))) (.cse34 (store |v_#memory_$Pointer$.base_423| .cse24 (store (select |v_#memory_$Pointer$.base_423| .cse24) .cse25 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse45 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_32| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse46 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse31 (store |v_#memory_$Pointer$.offset_96| .cse41 (store (select |v_#memory_$Pointer$.offset_96| .cse41) .cse42 0))) (.cse26 (store |v_#memory_$Pointer$.base_96| .cse41 (store (select |v_#memory_$Pointer$.base_96| .cse41) .cse42 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|)))) (let ((.cse27 (select (select .cse26 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse28 (+ 40 (select (select .cse31 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse30 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_32| .cse45) .cse46)) (.cse32 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse33 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse38 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse39 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse35 (select (select .cse34 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse36 (+ (select (select .cse37 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse29 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| .cse45) .cse46))) (and (= (select |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|) 0) (= (store |v_#memory_int_484| .cse24 (store (select |v_#memory_int_484| .cse24) .cse25 (select (select |v_#memory_int_102| .cse24) .cse25))) |v_#memory_int_102|) (= |c_#valid| (store |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_32| (store .cse26 .cse27 (store (select .cse26 .cse27) .cse28 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_32| .cse27) .cse28)))) (= (store |v_#length_59| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384) |c_#length|) (or (not (= .cse29 0)) (not (= .cse30 0))) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| (store .cse31 .cse27 (store (select .cse31 .cse27) .cse28 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| .cse27) .cse28)))) (= (store |v_#memory_$Pointer$.base_97| .cse32 (store (select |v_#memory_$Pointer$.base_97| .cse32) .cse33 (select (select |v_#memory_$Pointer$.base_96| .cse32) .cse33))) |v_#memory_$Pointer$.base_96|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (= (store |v_#memory_$Pointer$.offset_95| .cse32 (store (select |v_#memory_$Pointer$.offset_95| .cse32) .cse33 (select (select |v_#memory_$Pointer$.offset_96| .cse32) .cse33))) |v_#memory_$Pointer$.offset_96|) (= (store .cse34 .cse35 (store (select .cse34 .cse35) .cse36 (select (select |v_#memory_$Pointer$.base_95| .cse35) .cse36))) |v_#memory_$Pointer$.base_95|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= |c_ULTIMATE.start_main_#t~mem64#1.base| .cse30) (= (store .cse37 .cse35 (store (select .cse37 .cse35) .cse36 (select (select |v_#memory_$Pointer$.offset_97| .cse35) .cse36))) |v_#memory_$Pointer$.offset_97|) (= (store |v_#memory_$Pointer$.base_95| .cse38 (store (select |v_#memory_$Pointer$.base_95| .cse38) .cse39 (select (select |v_#memory_$Pointer$.base_97| .cse38) .cse39))) |v_#memory_$Pointer$.base_97|) (= (store |v_#memory_$Pointer$.offset_97| .cse38 (store (select |v_#memory_$Pointer$.offset_97| .cse38) .cse39 (select (select |v_#memory_$Pointer$.offset_95| .cse38) .cse39))) |v_#memory_$Pointer$.offset_95|) (= (let ((.cse40 (let ((.cse43 (let ((.cse44 (store |v_#memory_int_102| .cse35 (store (select |v_#memory_int_102| .cse35) .cse36 32)))) (store .cse44 .cse38 (store (select .cse44 .cse38) .cse39 5))))) (store .cse43 .cse32 (store (select .cse43 .cse32) .cse33 8))))) (store .cse40 .cse41 (store (select .cse40 .cse41) .cse42 (select (select |v_#memory_int_103| .cse41) .cse42)))) |v_#memory_int_103|) (= .cse29 |c_ULTIMATE.start_main_#t~mem64#1.offset|)))))))))) is different from false [2024-11-09 05:18:04,381 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (let ((.cse0 (exists ((|v_#Ultimate.C_memset_#t~loopctr160_40| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr160_40| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr160_40|))))) (or (and .cse0 (exists ((|v_#memory_$Pointer$.offset_423| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| (Array Int (Array Int Int))) (|v_#valid_71| (Array Int Int)) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_32| (Array Int (Array Int Int))) (|v_#length_59| (Array Int Int)) (|v_#memory_$Pointer$.base_423| (Array Int (Array Int Int))) (|v_#memory_int_484| (Array Int (Array Int Int))) (|v_#memory_int_102| (Array Int (Array Int Int)))) (let ((.cse18 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse1 (select (select |v_#memory_$Pointer$.base_423| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse2 (+ 16 (select (select |v_#memory_$Pointer$.offset_423| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse14 (store |v_#memory_$Pointer$.offset_423| .cse1 (store (select |v_#memory_$Pointer$.offset_423| .cse1) .cse2 8))) (.cse11 (store |v_#memory_$Pointer$.base_423| .cse1 (store (select |v_#memory_$Pointer$.base_423| .cse1) .cse2 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse8 (store |v_#memory_$Pointer$.offset_96| .cse18 (store (select |v_#memory_$Pointer$.offset_96| .cse18) .cse19 0))) (.cse3 (store |v_#memory_$Pointer$.base_96| .cse18 (store (select |v_#memory_$Pointer$.base_96| .cse18) .cse19 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|)))) (let ((.cse4 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse5 (+ 40 (select (select .cse8 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse9 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse10 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse15 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse16 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse12 (select (select .cse11 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (+ (select (select .cse14 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (= (select |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|) 0) (= (store |v_#memory_int_484| .cse1 (store (select |v_#memory_int_484| .cse1) .cse2 (select (select |v_#memory_int_102| .cse1) .cse2))) |v_#memory_int_102|) (= |c_#valid| (store |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_32| (store .cse3 .cse4 (store (select .cse3 .cse4) .cse5 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_32| .cse4) .cse5)))) (= (store |v_#length_59| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384) |c_#length|) (let ((.cse6 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_32| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse7 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| .cse6) .cse7) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_32| .cse6) .cse7) 0)))) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| (store .cse8 .cse4 (store (select .cse8 .cse4) .cse5 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| .cse4) .cse5)))) (= (store |v_#memory_$Pointer$.base_97| .cse9 (store (select |v_#memory_$Pointer$.base_97| .cse9) .cse10 (select (select |v_#memory_$Pointer$.base_96| .cse9) .cse10))) |v_#memory_$Pointer$.base_96|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (= (store |v_#memory_$Pointer$.offset_95| .cse9 (store (select |v_#memory_$Pointer$.offset_95| .cse9) .cse10 (select (select |v_#memory_$Pointer$.offset_96| .cse9) .cse10))) |v_#memory_$Pointer$.offset_96|) (= (store .cse11 .cse12 (store (select .cse11 .cse12) .cse13 (select (select |v_#memory_$Pointer$.base_95| .cse12) .cse13))) |v_#memory_$Pointer$.base_95|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= (store .cse14 .cse12 (store (select .cse14 .cse12) .cse13 (select (select |v_#memory_$Pointer$.offset_97| .cse12) .cse13))) |v_#memory_$Pointer$.offset_97|) (= (store |v_#memory_$Pointer$.base_95| .cse15 (store (select |v_#memory_$Pointer$.base_95| .cse15) .cse16 (select (select |v_#memory_$Pointer$.base_97| .cse15) .cse16))) |v_#memory_$Pointer$.base_97|) (= (store |v_#memory_$Pointer$.offset_97| .cse15 (store (select |v_#memory_$Pointer$.offset_97| .cse15) .cse16 (select (select |v_#memory_$Pointer$.offset_95| .cse15) .cse16))) |v_#memory_$Pointer$.offset_95|) (= (let ((.cse17 (let ((.cse20 (let ((.cse21 (store |v_#memory_int_102| .cse12 (store (select |v_#memory_int_102| .cse12) .cse13 32)))) (store .cse21 .cse15 (store (select .cse21 .cse15) .cse16 5))))) (store .cse20 .cse9 (store (select .cse20 .cse9) .cse10 8))))) (store .cse17 .cse18 (store (select .cse17 .cse18) .cse19 (select (select |v_#memory_int_103| .cse18) .cse19)))) |v_#memory_int_103|))))))) (and .cse0 (exists ((|v_#memory_$Pointer$.offset_423| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_#valid_71| (Array Int Int)) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_#length_59| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_31| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_423| (Array Int (Array Int Int))) (|v_#memory_int_484| (Array Int (Array Int Int))) (|v_#memory_int_102| (Array Int (Array Int Int)))) (let ((.cse39 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse40 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse24 (select (select |v_#memory_$Pointer$.base_423| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (+ 16 (select (select |v_#memory_$Pointer$.offset_423| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse34 (store |v_#memory_$Pointer$.offset_423| .cse24 (store (select |v_#memory_$Pointer$.offset_423| .cse24) .cse25 8))) (.cse31 (store |v_#memory_$Pointer$.base_423| .cse24 (store (select |v_#memory_$Pointer$.base_423| .cse24) .cse25 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse28 (store |v_#memory_$Pointer$.offset_96| .cse39 (store (select |v_#memory_$Pointer$.offset_96| .cse39) .cse40 0))) (.cse37 (store |v_#memory_$Pointer$.base_96| .cse39 (store (select |v_#memory_$Pointer$.base_96| .cse39) .cse40 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|)))) (let ((.cse29 (select (select .cse37 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse30 (+ 40 (select (select .cse28 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse26 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse27 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse35 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse36 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse32 (select (select .cse31 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse33 (+ (select (select .cse34 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (let ((.cse22 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_31| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse23 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_31| .cse22) .cse23) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| .cse22) .cse23) 0)))) (= (select |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|) 0) (= (store |v_#memory_int_484| .cse24 (store (select |v_#memory_int_484| .cse24) .cse25 (select (select |v_#memory_int_102| .cse24) .cse25))) |v_#memory_int_102|) (= |c_#valid| (store |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= (store |v_#length_59| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384) |c_#length|) (= (store |v_#memory_$Pointer$.base_97| .cse26 (store (select |v_#memory_$Pointer$.base_97| .cse26) .cse27 (select (select |v_#memory_$Pointer$.base_96| .cse26) .cse27))) |v_#memory_$Pointer$.base_96|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| (store .cse28 .cse29 (store (select .cse28 .cse29) .cse30 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| .cse29) .cse30)))) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (= (store |v_#memory_$Pointer$.offset_95| .cse26 (store (select |v_#memory_$Pointer$.offset_95| .cse26) .cse27 (select (select |v_#memory_$Pointer$.offset_96| .cse26) .cse27))) |v_#memory_$Pointer$.offset_96|) (= (store .cse31 .cse32 (store (select .cse31 .cse32) .cse33 (select (select |v_#memory_$Pointer$.base_95| .cse32) .cse33))) |v_#memory_$Pointer$.base_95|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= (store .cse34 .cse32 (store (select .cse34 .cse32) .cse33 (select (select |v_#memory_$Pointer$.offset_97| .cse32) .cse33))) |v_#memory_$Pointer$.offset_97|) (= (store |v_#memory_$Pointer$.base_95| .cse35 (store (select |v_#memory_$Pointer$.base_95| .cse35) .cse36 (select (select |v_#memory_$Pointer$.base_97| .cse35) .cse36))) |v_#memory_$Pointer$.base_97|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_31| (store .cse37 .cse29 (store (select .cse37 .cse29) .cse30 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_31| .cse29) .cse30)))) (= (store |v_#memory_$Pointer$.offset_97| .cse35 (store (select |v_#memory_$Pointer$.offset_97| .cse35) .cse36 (select (select |v_#memory_$Pointer$.offset_95| .cse35) .cse36))) |v_#memory_$Pointer$.offset_95|) (= (let ((.cse38 (let ((.cse41 (let ((.cse42 (store |v_#memory_int_102| .cse32 (store (select |v_#memory_int_102| .cse32) .cse33 32)))) (store .cse42 .cse35 (store (select .cse42 .cse35) .cse36 5))))) (store .cse41 .cse26 (store (select .cse41 .cse26) .cse27 8))))) (store .cse38 .cse39 (store (select .cse38 .cse39) .cse40 (select (select |v_#memory_int_103| .cse39) .cse40)))) |v_#memory_int_103|))))))))) (<= 0 |c_ULTIMATE.start_main_~i~0#1|)) is different from false [2024-11-09 05:18:45,154 WARN L286 SmtUtils]: Spent 14.86s on a formula simplification. DAG size of input: 173 DAG size of output: 160 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:18:46,853 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3231#(<= 1 |#StackHeapBarrier|)' at error location [2024-11-09 05:18:46,853 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:18:46,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:18:46,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 14 [2024-11-09 05:18:46,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703475157] [2024-11-09 05:18:46,854 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:18:46,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:18:46,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:18:46,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:18:46,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=1317, Unknown=20, NotChecked=154, Total=1722 [2024-11-09 05:18:46,858 INFO L87 Difference]: Start difference. First operand 236 states and 275 transitions. Second operand has 14 states, 14 states have (on average 22.0) internal successors, (308), 14 states have internal predecessors, (308), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 05:18:48,957 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 05:18:50,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:18:53,319 WARN L539 Checker$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 05:18:55,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:18:57,343 WARN L539 Checker$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 05:18:58,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:19:01,192 WARN L539 Checker$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 05:19:03,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:19:05,198 WARN L539 Checker$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 05:19:07,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:19:09,464 WARN L539 Checker$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 05:19:11,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:19:13,479 WARN L539 Checker$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 05:19:15,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:19:18,404 WARN L539 Checker$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 05:19:20,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:19:22,412 WARN L539 Checker$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 05:19:24,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:19:26,421 WARN L539 Checker$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 05:19:28,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:19:30,638 WARN L539 Checker$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 05:19:33,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:19:35,534 WARN L539 Checker$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 05:19:37,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:19:39,711 WARN L539 Checker$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 05:19:41,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:19:43,719 WARN L539 Checker$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 05:19:45,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:19:47,897 WARN L539 Checker$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 05:19:49,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:19:51,911 WARN L539 Checker$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 05:19:53,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:19:55,920 WARN L539 Checker$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 05:19:58,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:00,072 WARN L539 Checker$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 05:20:01,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:03,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:05,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:07,876 WARN L539 Checker$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 05:20:09,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:11,886 WARN L539 Checker$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 05:20:14,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:16,120 WARN L539 Checker$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 05:20:19,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:20:20,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:20:22,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:20:23,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:20:23,832 INFO L93 Difference]: Finished difference Result 661 states and 779 transitions. [2024-11-09 05:20:23,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:20:23,839 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 22.0) internal successors, (308), 14 states have internal predecessors, (308), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 137 [2024-11-09 05:20:23,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:20:23,842 INFO L225 Difference]: With dead ends: 661 [2024-11-09 05:20:23,843 INFO L226 Difference]: Without dead ends: 499 [2024-11-09 05:20:23,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 913 ImplicationChecksByTransitivity, 109.0s TimeCoverageRelationStatistics Valid=399, Invalid=2241, Unknown=20, NotChecked=202, Total=2862 [2024-11-09 05:20:23,846 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 991 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 40 mSolverCounterUnsat, 41 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 95.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 991 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 41 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 96.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:20:23,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [991 Valid, 402 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 262 Invalid, 41 Unknown, 0 Unchecked, 96.3s Time] [2024-11-09 05:20:23,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-11-09 05:20:23,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2024-11-09 05:20:23,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 485 states have (on average 1.1278350515463917) internal successors, (547), 484 states have internal predecessors, (547), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 05:20:23,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 571 transitions. [2024-11-09 05:20:23,899 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 571 transitions. Word has length 137 [2024-11-09 05:20:23,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:20:23,900 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 571 transitions. [2024-11-09 05:20:23,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 22.0) internal successors, (308), 14 states have internal predecessors, (308), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 05:20:23,901 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 571 transitions. [2024-11-09 05:20:23,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-11-09 05:20:23,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:20:23,909 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:20:23,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 05:20:24,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a847f1-5237-4a10-86b7-f203dedf52da/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:20:24,110 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:20:24,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:20:24,111 INFO L85 PathProgramCache]: Analyzing trace with hash -837070506, now seen corresponding path program 1 times [2024-11-09 05:20:24,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:20:24,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576719404] [2024-11-09 05:20:24,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:20:24,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms