./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/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_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:41:11,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:41:11,208 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2024-11-09 05:41:11,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:41:11,220 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:41:11,265 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:41:11,266 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:41:11,267 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:41:11,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:41:11,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:41:11,270 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:41:11,271 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:41:11,271 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:41:11,271 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:41:11,272 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:41:11,275 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:41:11,276 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:41:11,276 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:41:11,276 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:41:11,277 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:41:11,277 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:41:11,278 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:41:11,279 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 05:41:11,279 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 05:41:11,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:41:11,280 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:41:11,280 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:41:11,281 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:41:11,281 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:41:11,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:41:11,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:41:11,282 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 05:41:11,282 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 05:41:11,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:41:11,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:41:11,283 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:41:11,283 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:41:11,284 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:41:11,284 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:41:11,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:41:11,285 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:41:11,285 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:41:11,286 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:41:11,286 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:41:11,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:41:11,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:41:11,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:41:11,287 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:41:11,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:41:11,288 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:41:11,288 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:41:11,288 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:41:11,290 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_7419d5b5-3248-449f-9129-2988637e77ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 [2024-11-09 05:41:11,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:41:11,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:41:11,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:41:11,690 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:41:11,691 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:41:11,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test2-1.i Unable to find full path for "g++" [2024-11-09 05:41:13,892 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:41:14,325 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:41:14,325 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test2-1.i [2024-11-09 05:41:14,348 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/data/d398d0f7b/fe792d9681174bd9894f62a83ba4be92/FLAG8a7f58216 [2024-11-09 05:41:14,366 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/data/d398d0f7b/fe792d9681174bd9894f62a83ba4be92 [2024-11-09 05:41:14,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:41:14,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:41:14,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:41:14,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:41:14,380 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:41:14,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:41:14" (1/1) ... [2024-11-09 05:41:14,382 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19a6c9a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:14, skipping insertion in model container [2024-11-09 05:41:14,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:41:14" (1/1) ... [2024-11-09 05:41:14,448 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:41:15,092 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:41:15,160 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:41:15,168 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:41:15,176 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:41:15,191 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:41:15,257 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:41:15,263 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:41:15,266 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:41:15,271 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:41:15,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:41:15,305 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:41:15,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:41:15,464 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:41:15,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:15 WrapperNode [2024-11-09 05:41:15,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:41:15,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:41:15,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:41:15,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:41:15,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:15" (1/1) ... [2024-11-09 05:41:15,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:15" (1/1) ... [2024-11-09 05:41:15,567 INFO L138 Inliner]: procedures = 207, calls = 222, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1249 [2024-11-09 05:41:15,568 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:41:15,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:41:15,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:41:15,569 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:41:15,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:15" (1/1) ... [2024-11-09 05:41:15,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:15" (1/1) ... [2024-11-09 05:41:15,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:15" (1/1) ... [2024-11-09 05:41:15,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:15" (1/1) ... [2024-11-09 05:41:15,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:15" (1/1) ... [2024-11-09 05:41:15,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:15" (1/1) ... [2024-11-09 05:41:15,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:15" (1/1) ... [2024-11-09 05:41:15,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:15" (1/1) ... [2024-11-09 05:41:15,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:41:15,676 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:41:15,677 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:41:15,677 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:41:15,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:15" (1/1) ... [2024-11-09 05:41:15,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:41:15,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:41:15,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:41:15,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:41:15,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 05:41:15,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 05:41:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:41:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:41:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:41:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:41:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:41:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:41:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:41:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:41:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:41:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:41:15,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:41:15,953 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:41:15,955 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:41:17,795 INFO L? ?]: Removed 292 outVars from TransFormulas that were not future-live. [2024-11-09 05:41:17,795 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:41:19,570 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:41:19,570 INFO L316 CfgBuilder]: Removed 50 assume(true) statements. [2024-11-09 05:41:19,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:41:19 BoogieIcfgContainer [2024-11-09 05:41:19,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:41:19,573 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:41:19,573 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:41:19,578 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:41:19,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:41:14" (1/3) ... [2024-11-09 05:41:19,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dcc02fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:41:19, skipping insertion in model container [2024-11-09 05:41:19,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:15" (2/3) ... [2024-11-09 05:41:19,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dcc02fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:41:19, skipping insertion in model container [2024-11-09 05:41:19,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:41:19" (3/3) ... [2024-11-09 05:41:19,582 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_nondet_test2-1.i [2024-11-09 05:41:19,602 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:41:19,602 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 05:41:19,671 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:41:19,680 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=None, 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;@64c04e2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:41:19,680 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 05:41:19,687 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 105 states have (on average 1.7333333333333334) internal successors, (182), 107 states have internal predecessors, (182), 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 05:41:19,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 05:41:19,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:19,696 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 05:41:19,696 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:41:19,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:19,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1380810, now seen corresponding path program 1 times [2024-11-09 05:41:19,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:19,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994725731] [2024-11-09 05:41:19,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:19,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:20,087 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 05:41:20,088 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:20,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994725731] [2024-11-09 05:41:20,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994725731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:20,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:20,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:41:20,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439135677] [2024-11-09 05:41:20,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:20,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:41:20,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:20,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:41:20,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:41:20,148 INFO L87 Difference]: Start difference. First operand has 112 states, 105 states have (on average 1.7333333333333334) internal successors, (182), 107 states have internal predecessors, (182), 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 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 05:41:21,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:23,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:25,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:27,705 WARN L539 Checker$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 05:41:29,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:31,734 WARN L539 Checker$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 05:41:33,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:35,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:37,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:40,153 WARN L539 Checker$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 05:41:42,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:44,172 WARN L539 Checker$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 05:41:46,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:48,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:50,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:52,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:41:52,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:52,795 INFO L93 Difference]: Finished difference Result 160 states and 192 transitions. [2024-11-09 05:41:52,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:41:52,802 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2024-11-09 05:41:52,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:52,812 INFO L225 Difference]: With dead ends: 160 [2024-11-09 05:41:52,812 INFO L226 Difference]: Without dead ends: 157 [2024-11-09 05:41:52,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:41:52,817 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 58 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:41:52,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 309 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 15 Unknown, 0 Unchecked, 32.6s Time] [2024-11-09 05:41:52,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-09 05:41:52,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 154. [2024-11-09 05:41:52,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 148 states have (on average 1.2094594594594594) internal successors, (179), 149 states have internal predecessors, (179), 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 05:41:52,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 185 transitions. [2024-11-09 05:41:52,867 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 185 transitions. Word has length 3 [2024-11-09 05:41:52,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:52,867 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 185 transitions. [2024-11-09 05:41:52,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 05:41:52,868 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 185 transitions. [2024-11-09 05:41:52,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 05:41:52,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:52,870 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] [2024-11-09 05:41:52,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:41:52,871 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:41:52,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:52,872 INFO L85 PathProgramCache]: Analyzing trace with hash 697534419, now seen corresponding path program 1 times [2024-11-09 05:41:52,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:52,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503981870] [2024-11-09 05:41:52,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:52,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:54,514 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 05:41:54,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:54,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503981870] [2024-11-09 05:41:54,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503981870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:54,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:54,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 05:41:54,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116878071] [2024-11-09 05:41:54,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:54,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:41:54,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:54,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:41:54,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:41:54,523 INFO L87 Difference]: Start difference. First operand 154 states and 185 transitions. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 05:41:56,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:58,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:00,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:02,672 WARN L539 Checker$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 05:42:04,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:06,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:08,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:10,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:12,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:14,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:17,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:18,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:20,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:22,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:24,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:26,855 WARN L539 Checker$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 05:42:29,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:31,072 WARN L539 Checker$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 05:42:32,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:34,985 WARN L539 Checker$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 05:42:36,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:39,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:42:40,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:42:40,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:40,499 INFO L93 Difference]: Finished difference Result 175 states and 207 transitions. [2024-11-09 05:42:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:42:40,503 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 26 [2024-11-09 05:42:40,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:40,505 INFO L225 Difference]: With dead ends: 175 [2024-11-09 05:42:40,505 INFO L226 Difference]: Without dead ends: 172 [2024-11-09 05:42:40,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:42:40,507 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 73 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 3 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:40,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 391 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 123 Invalid, 18 Unknown, 0 Unchecked, 45.9s Time] [2024-11-09 05:42:40,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-09 05:42:40,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 112. [2024-11-09 05:42:40,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 106 states have (on average 1.1886792452830188) internal successors, (126), 107 states have internal predecessors, (126), 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 05:42:40,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 132 transitions. [2024-11-09 05:42:40,520 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 132 transitions. Word has length 26 [2024-11-09 05:42:40,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:40,520 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 132 transitions. [2024-11-09 05:42:40,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 05:42:40,521 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 132 transitions. [2024-11-09 05:42:40,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 05:42:40,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:40,522 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:40,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:42:40,523 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:42:40,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:40,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1192753044, now seen corresponding path program 1 times [2024-11-09 05:42:40,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:40,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273972937] [2024-11-09 05:42:40,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:40,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:40,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:40,839 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:40,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273972937] [2024-11-09 05:42:40,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273972937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:40,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:40,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:42:40,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192315975] [2024-11-09 05:42:40,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:40,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:42:40,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:40,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:42:40,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:42:40,845 INFO L87 Difference]: Start difference. First operand 112 states and 132 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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 05:42:42,880 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 05:42:44,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:47,031 WARN L539 Checker$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 05:42:49,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:51,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:53,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:55,888 WARN L539 Checker$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 05:42:57,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:59,902 WARN L539 Checker$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 05:43:01,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:03,456 WARN L539 Checker$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 05:43:05,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:43:05,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:05,796 INFO L93 Difference]: Finished difference Result 158 states and 182 transitions. [2024-11-09 05:43:05,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:43:05,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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 38 [2024-11-09 05:43:05,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:05,804 INFO L225 Difference]: With dead ends: 158 [2024-11-09 05:43:05,805 INFO L226 Difference]: Without dead ends: 158 [2024-11-09 05:43:05,805 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 05:43:05,806 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 37 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:05,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 233 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 10 Unknown, 0 Unchecked, 24.9s Time] [2024-11-09 05:43:05,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-09 05:43:05,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 152. [2024-11-09 05:43:05,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 146 states have (on average 1.178082191780822) internal successors, (172), 147 states have internal predecessors, (172), 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 05:43:05,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 178 transitions. [2024-11-09 05:43:05,820 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 178 transitions. Word has length 38 [2024-11-09 05:43:05,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:05,821 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 178 transitions. [2024-11-09 05:43:05,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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 05:43:05,822 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 178 transitions. [2024-11-09 05:43:05,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 05:43:05,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:05,823 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:05,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:43:05,824 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:43:05,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:05,825 INFO L85 PathProgramCache]: Analyzing trace with hash 529660345, now seen corresponding path program 1 times [2024-11-09 05:43:05,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:05,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375569644] [2024-11-09 05:43:05,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:05,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:07,092 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 05:43:07,093 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:07,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375569644] [2024-11-09 05:43:07,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375569644] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:43:07,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118400991] [2024-11-09 05:43:07,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:07,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:43:07,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:43:07,097 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:43:07,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:43:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:07,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 05:43:07,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:43:07,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 05:43:07,954 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 05:43:07,955 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:43:07,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118400991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:07,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:43:07,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2024-11-09 05:43:07,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599404789] [2024-11-09 05:43:07,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:07,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:43:07,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:07,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:43:07,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:43:07,958 INFO L87 Difference]: Start difference. First operand 152 states and 178 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:43:10,020 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 05:43:11,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:12,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:14,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:16,834 WARN L539 Checker$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 05:43:18,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:21,020 WARN L539 Checker$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 05:43:23,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:25,038 WARN L539 Checker$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 05:43:27,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:28,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:30,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:31,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:33,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:43:34,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:34,942 INFO L93 Difference]: Finished difference Result 202 states and 238 transitions. [2024-11-09 05:43:34,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:43:34,947 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 51 [2024-11-09 05:43:34,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:34,948 INFO L225 Difference]: With dead ends: 202 [2024-11-09 05:43:34,948 INFO L226 Difference]: Without dead ends: 202 [2024-11-09 05:43:34,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-09 05:43:34,949 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 133 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:34,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 298 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 9 Unknown, 0 Unchecked, 26.9s Time] [2024-11-09 05:43:34,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-11-09 05:43:34,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 154. [2024-11-09 05:43:34,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 148 states have (on average 1.1756756756756757) internal successors, (174), 149 states have internal predecessors, (174), 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 05:43:34,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 180 transitions. [2024-11-09 05:43:34,963 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 180 transitions. Word has length 51 [2024-11-09 05:43:34,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:34,965 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 180 transitions. [2024-11-09 05:43:34,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:43:34,965 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 180 transitions. [2024-11-09 05:43:34,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 05:43:34,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:34,967 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:34,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 05:43:35,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:43:35,168 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:43:35,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:35,169 INFO L85 PathProgramCache]: Analyzing trace with hash -212620779, now seen corresponding path program 1 times [2024-11-09 05:43:35,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:35,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90767620] [2024-11-09 05:43:35,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:35,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:35,676 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 05:43:35,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:35,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90767620] [2024-11-09 05:43:35,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90767620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:35,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:35,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:43:35,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158485886] [2024-11-09 05:43:35,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:35,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:43:35,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:35,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:43:35,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:43:35,678 INFO L87 Difference]: Start difference. First operand 154 states and 180 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:43:37,717 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 05:43:39,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:41,722 WARN L539 Checker$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 05:43:44,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:47,307 WARN L539 Checker$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 05:43:49,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:51,324 WARN L539 Checker$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 05:43:53,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:55,463 WARN L539 Checker$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 05:43:57,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:00,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:44:00,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:00,759 INFO L93 Difference]: Finished difference Result 210 states and 244 transitions. [2024-11-09 05:44:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:44:00,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 68 [2024-11-09 05:44:00,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:00,763 INFO L225 Difference]: With dead ends: 210 [2024-11-09 05:44:00,764 INFO L226 Difference]: Without dead ends: 210 [2024-11-09 05:44:00,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:44:00,765 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 270 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 3 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:00,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 239 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 93 Invalid, 11 Unknown, 0 Unchecked, 25.1s Time] [2024-11-09 05:44:00,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-09 05:44:00,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 130. [2024-11-09 05:44:00,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 124 states have (on average 1.1612903225806452) internal successors, (144), 125 states have internal predecessors, (144), 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 05:44:00,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 150 transitions. [2024-11-09 05:44:00,775 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 150 transitions. Word has length 68 [2024-11-09 05:44:00,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:00,775 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 150 transitions. [2024-11-09 05:44:00,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:44:00,776 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 150 transitions. [2024-11-09 05:44:00,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 05:44:00,777 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:00,778 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:00,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:44:00,778 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:44:00,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:00,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1109098733, now seen corresponding path program 1 times [2024-11-09 05:44:00,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:00,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716131388] [2024-11-09 05:44:00,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:00,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:02,089 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 05:44:02,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:02,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716131388] [2024-11-09 05:44:02,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716131388] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:44:02,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061857161] [2024-11-09 05:44:02,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:02,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:44:02,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:44:02,092 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:44:02,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:44:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:06,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 05:44:06,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:44:06,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 05:44:06,275 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 05:44:06,275 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:44:06,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061857161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:06,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:44:06,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 7 [2024-11-09 05:44:06,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031095981] [2024-11-09 05:44:06,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:06,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:44:06,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:06,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:44:06,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:44:06,277 INFO L87 Difference]: Start difference. First operand 130 states and 150 transitions. Second operand has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:44:08,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:10,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:12,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:13,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:15,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:17,685 WARN L539 Checker$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 05:44:19,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:21,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:23,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:25,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:27,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:29,932 WARN L539 Checker$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 05:44:32,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:34,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:37,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:38,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:44:41,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:44:42,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:42,175 INFO L93 Difference]: Finished difference Result 132 states and 153 transitions. [2024-11-09 05:44:42,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:44:42,179 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 76 [2024-11-09 05:44:42,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:42,181 INFO L225 Difference]: With dead ends: 132 [2024-11-09 05:44:42,181 INFO L226 Difference]: Without dead ends: 132 [2024-11-09 05:44:42,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-09 05:44:42,184 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 17 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 2 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:42,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 505 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 131 Invalid, 13 Unknown, 0 Unchecked, 35.9s Time] [2024-11-09 05:44:42,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-09 05:44:42,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-11-09 05:44:42,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 125 states have (on average 1.168) internal successors, (146), 127 states have internal predecessors, (146), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 05:44:42,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 153 transitions. [2024-11-09 05:44:42,191 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 153 transitions. Word has length 76 [2024-11-09 05:44:42,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:42,191 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 153 transitions. [2024-11-09 05:44:42,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:44:42,192 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 153 transitions. [2024-11-09 05:44:42,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 05:44:42,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:42,194 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:42,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 05:44:42,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:44:42,395 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:44:42,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:42,395 INFO L85 PathProgramCache]: Analyzing trace with hash 172852431, now seen corresponding path program 1 times [2024-11-09 05:44:42,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:42,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615469824] [2024-11-09 05:44:42,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:42,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:43,693 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 05:44:43,694 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:43,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615469824] [2024-11-09 05:44:43,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615469824] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:44:43,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968033487] [2024-11-09 05:44:43,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:43,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:44:43,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:44:43,697 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:44:43,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 05:45:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:09,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 05:45:09,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:45:09,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 05:45:09,139 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 05:45:09,143 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:45:09,297 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 05:45:09,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968033487] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:45:09,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [243075943] [2024-11-09 05:45:09,326 INFO L159 IcfgInterpreter]: Started Sifa with 72 locations of interest [2024-11-09 05:45:09,326 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:45:09,331 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:45:09,337 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:45:09,338 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:45:45,650 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 397 for LOIs [2024-11-09 05:45:52,501 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:46:10,271 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (= |c_#Ultimate.C_memset_#amount| 384)) (.cse0 (<= 1 |c_#StackHeapBarrier|)) (.cse3 (= |c_#Ultimate.C_memset_#ptr.offset| 0)) (.cse1 (= |c_#Ultimate.C_memset_#value| 0)) (.cse4 (= 44 |c_#Ultimate.C_memset_#amount|))) (and (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse4)) (let ((.cse5 (= |c_#memory_$Pointer$.base| |c_old(#memory_$Pointer$.base)|)) (.cse6 (= |c_old(#memory_int)| |c_#memory_int|)) (.cse7 (= |c_#memory_$Pointer$.offset| |c_old(#memory_$Pointer$.offset)|))) (or (and .cse5 .cse0 .cse6 .cse7 .cse1 (exists ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13| Int) (|v_#memory_int_129| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_106| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_107| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_108| (Array Int (Array Int Int))) (|v_#valid_53| (Array Int Int)) (|v_#memory_$Pointer$.base_108| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_107| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_106| (Array Int (Array Int Int))) (|v_#length_33| (Array Int Int)) (|v_ULTIMATE.start_main_#t~mem54#1.base_13| Int) (|v_ULTIMATE.start_main_~_ha_hashv~0#1_BEFORE_CALL_13| Int) (|v_#memory_int_430| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_331| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_331| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc61#1.base_6| Int)) (let ((.cse23 (select (select |v_#memory_$Pointer$.base_107| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 8)) (.cse24 (select (select |v_#memory_$Pointer$.offset_108| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 8)) (.cse20 (select (select |v_#memory_$Pointer$.base_331| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 8)) (.cse21 (+ 16 (select (select |v_#memory_$Pointer$.offset_331| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 8)))) (let ((.cse44 (select (select |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 8)) (.cse45 (select (select |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 8)) (.cse28 (store |v_#memory_$Pointer$.offset_331| .cse20 (store (select |v_#memory_$Pointer$.offset_331| .cse20) .cse21 8))) (.cse10 (store |v_#memory_$Pointer$.base_331| .cse20 (store (select |v_#memory_$Pointer$.base_331| .cse20) .cse21 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|))) (.cse19 (store |v_#memory_$Pointer$.offset_108| .cse23 (store (select |v_#memory_$Pointer$.offset_108| .cse23) .cse24 0))) (.cse27 (store |v_#memory_$Pointer$.base_107| .cse23 (store (select |v_#memory_$Pointer$.base_107| .cse23) .cse24 |v_ULTIMATE.start_main_#t~malloc61#1.base_6|)))) (let ((.cse8 (select (select .cse27 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 8)) (.cse9 (+ 40 (select (select .cse19 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 8))) (.cse17 (select (select |v_#memory_$Pointer$.base_108| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 8)) (.cse18 (+ (select (select |v_#memory_$Pointer$.offset_106| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 8) 20)) (.cse11 (select (select .cse10 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 8)) (.cse12 (+ (select (select .cse28 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 8) 4)) (.cse13 (select (select |v_#memory_$Pointer$.base_106| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 8)) (.cse14 (+ 8 (select (select |v_#memory_$Pointer$.offset_107| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 8))) (.cse15 (select (select |c_old(#memory_$Pointer$.offset)| .cse44) .cse45)) (.cse16 (select (select |c_old(#memory_$Pointer$.base)| .cse44) .cse45))) (and (= |c_old(#memory_int)| (store |v_#memory_int_129| .cse8 (store (select |v_#memory_int_129| .cse8) .cse9 2685476833))) (= (store .cse10 .cse11 (store (select .cse10 .cse11) .cse12 (select (select |v_#memory_$Pointer$.base_106| .cse11) .cse12))) |v_#memory_$Pointer$.base_106|) (= (select |v_#valid_53| |v_ULTIMATE.start_main_#t~malloc61#1.base_6|) 0) (= (store |v_#memory_$Pointer$.offset_107| .cse13 (store (select |v_#memory_$Pointer$.offset_107| .cse13) .cse14 (select (select |v_#memory_$Pointer$.offset_106| .cse13) .cse14))) |v_#memory_$Pointer$.offset_106|) (or (not (= .cse15 0)) (not (= .cse16 0))) (= (store |v_#memory_$Pointer$.offset_106| .cse17 (store (select |v_#memory_$Pointer$.offset_106| .cse17) .cse18 (select (select |v_#memory_$Pointer$.offset_108| .cse17) .cse18))) |v_#memory_$Pointer$.offset_108|) (= (store .cse19 .cse8 (store (select .cse19 .cse8) .cse9 (select (select |c_old(#memory_$Pointer$.offset)| .cse8) .cse9))) |c_old(#memory_$Pointer$.offset)|) (= (store |v_#memory_int_430| .cse20 (store (select |v_#memory_int_430| .cse20) .cse21 (select (select |v_#memory_int_128| .cse20) .cse21))) |v_#memory_int_128|) (= (let ((.cse22 (let ((.cse25 (let ((.cse26 (store |v_#memory_int_128| .cse11 (store (select |v_#memory_int_128| .cse11) .cse12 32)))) (store .cse26 .cse13 (store (select .cse26 .cse13) .cse14 5))))) (store .cse25 .cse17 (store (select .cse25 .cse17) .cse18 8))))) (store .cse22 .cse23 (store (select .cse22 .cse23) .cse24 (select (select |v_#memory_int_129| .cse23) .cse24)))) |v_#memory_int_129|) (= (store .cse27 .cse8 (store (select .cse27 .cse8) .cse9 (select (select |c_old(#memory_$Pointer$.base)| .cse8) .cse9))) |c_old(#memory_$Pointer$.base)|) (<= (+ |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 1) |c_#StackHeapBarrier|) (not (= |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 0)) (= (store |v_#memory_$Pointer$.base_108| .cse17 (store (select |v_#memory_$Pointer$.base_108| .cse17) .cse18 (select (select |v_#memory_$Pointer$.base_107| .cse17) .cse18))) |v_#memory_$Pointer$.base_107|) (= |c_#valid| (store |v_#valid_53| |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 1)) (= (store .cse28 .cse11 (store (select .cse28 .cse11) .cse12 (select (select |v_#memory_$Pointer$.offset_107| .cse11) .cse12))) |v_#memory_$Pointer$.offset_107|) (let ((.cse29 (exists ((|v_#Ultimate.C_memset_#t~loopctr226_27| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr226_27|) (<= 44 (mod |v_#Ultimate.C_memset_#t~loopctr226_27| 4294967296))))) (.cse36 (exists ((|v_#memory_$Pointer$.offset_328| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_21| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_329| (Array Int (Array Int Int)))) (let ((.cse43 (select |v_#memory_$Pointer$.offset_21| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|))) (and (= (store |v_#memory_$Pointer$.offset_21| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13| (store (store .cse43 28 0) 32 (select (select |v_#memory_$Pointer$.offset_329| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 32))) |v_#memory_$Pointer$.offset_329|) (= (store |v_#memory_$Pointer$.offset_328| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13| (store (select |v_#memory_$Pointer$.offset_328| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 36 (select .cse43 36))) |v_#memory_$Pointer$.offset_21|)))))) (or (and .cse29 (exists ((|v_#memory_$Pointer$.base_21| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_329| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_328| (Array Int (Array Int Int))) (|v_#valid_52| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_15| (Array Int (Array Int Int))) (|v_#length_32| (Array Int Int))) (let ((.cse31 (select |v_#memory_$Pointer$.base_329| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|)) (.cse32 (select |v_#memory_$Pointer$.base_21| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|)) (.cse30 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_15| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 8))) (and (= .cse30 |v_ULTIMATE.start_main_#t~mem54#1.base_13|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_15| (store |v_#memory_$Pointer$.base_329| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13| (store (store (store .cse31 16 0) 12 0) 8 .cse30))) (= (select |v_#valid_52| .cse30) 0) (= (store |v_#memory_$Pointer$.base_21| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13| (store (store .cse32 28 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 32 (select .cse31 32))) |v_#memory_$Pointer$.base_329|) (= (store |v_#valid_52| .cse30 1) |v_#valid_53|) (<= (+ .cse30 1) |c_#StackHeapBarrier|) (= (store |v_#memory_$Pointer$.base_328| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13| (store (select |v_#memory_$Pointer$.base_328| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 36 (select .cse32 36))) |v_#memory_$Pointer$.base_21|) (= (store |v_#length_32| .cse30 44) |v_#length_33|) (not (= .cse30 0))))) (exists ((|v_#memory_int_427| (Array Int (Array Int Int))) (|v_#memory_int_429| (Array Int (Array Int Int))) (|v_#memory_int_34| (Array Int (Array Int Int))) (|v_#memory_int_127| (Array Int (Array Int Int))) (|v_#memory_int_BEFORE_CALL_18| (Array Int (Array Int Int)))) (let ((.cse34 (select |v_#memory_int_34| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|)) (.cse35 (select |v_#memory_int_127| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|)) (.cse33 (select |v_#memory_int_429| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|))) (and (= (store |v_#memory_int_429| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13| (store .cse33 8 (select (select |v_#memory_int_BEFORE_CALL_18| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 8))) |v_#memory_int_BEFORE_CALL_18|) (= (store |v_#memory_int_34| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13| (store (store .cse34 32 4) 16 (select .cse35 16))) |v_#memory_int_127|) (= |v_#memory_int_34| (store |v_#memory_int_427| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13| (store (store (select |v_#memory_int_427| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 36 |v_ULTIMATE.start_main_~_ha_hashv~0#1_BEFORE_CALL_13|) 28 (select .cse34 28)))) (= (store |v_#memory_int_127| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13| (store .cse35 12 (select .cse33 12))) |v_#memory_int_429|)))) .cse36) (and .cse29 (exists ((|v_#memory_$Pointer$.base_21| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_329| (Array Int (Array Int Int))) (|v_#valid_52| (Array Int Int)) (|v_#memory_$Pointer$.base_328| (Array Int (Array Int Int))) (|v_#length_32| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_16| (Array Int (Array Int Int)))) (let ((.cse38 (select |v_#memory_$Pointer$.base_329| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|)) (.cse37 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_16| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 8)) (.cse39 (select |v_#memory_$Pointer$.base_21| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|))) (and (not (= .cse37 0)) (<= (+ .cse37 1) |c_#StackHeapBarrier|) (= (store |v_#length_32| .cse37 44) |v_#length_33|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_16| (store |v_#memory_$Pointer$.base_329| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13| (store (store (store .cse38 16 0) 12 0) 8 .cse37))) (= (store |v_#memory_$Pointer$.base_21| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13| (store (store .cse39 28 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 32 (select .cse38 32))) |v_#memory_$Pointer$.base_329|) (= (select |v_#valid_52| .cse37) 0) (= |v_ULTIMATE.start_main_#t~mem54#1.base_13| .cse37) (= (store |v_#valid_52| .cse37 1) |v_#valid_53|) (= (store |v_#memory_$Pointer$.base_328| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13| (store (select |v_#memory_$Pointer$.base_328| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 36 (select .cse39 36))) |v_#memory_$Pointer$.base_21|)))) .cse36 (exists ((|v_#memory_int_427| (Array Int (Array Int Int))) (|v_old(#memory_int)_AFTER_CALL_16| (Array Int (Array Int Int))) (|v_#memory_int_429| (Array Int (Array Int Int))) (|v_#memory_int_34| (Array Int (Array Int Int))) (|v_#memory_int_127| (Array Int (Array Int Int)))) (let ((.cse40 (select |v_#memory_int_34| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|)) (.cse41 (select |v_#memory_int_127| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|)) (.cse42 (select |v_#memory_int_429| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|))) (and (= (store |v_#memory_int_34| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13| (store (store .cse40 32 4) 16 (select .cse41 16))) |v_#memory_int_127|) (= |v_old(#memory_int)_AFTER_CALL_16| (store |v_#memory_int_429| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13| (store .cse42 8 (select (select |v_old(#memory_int)_AFTER_CALL_16| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 8)))) (= |v_#memory_int_34| (store |v_#memory_int_427| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13| (store (store (select |v_#memory_int_427| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13|) 36 |v_ULTIMATE.start_main_~_ha_hashv~0#1_BEFORE_CALL_13|) 28 (select .cse40 28)))) (= (store |v_#memory_int_127| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_13| (store .cse41 12 (select .cse42 12))) |v_#memory_int_429|))))))) (= (store |v_#memory_$Pointer$.base_106| .cse13 (store (select |v_#memory_$Pointer$.base_106| .cse13) .cse14 (select (select |v_#memory_$Pointer$.base_108| .cse13) .cse14))) |v_#memory_$Pointer$.base_108|) (= |c_#Ultimate.C_memset_#ptr.offset| .cse15) (= .cse16 |c_#Ultimate.C_memset_#ptr.base|) (= (store |v_#length_33| |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 384) |c_#length|)))))) .cse2) (and .cse5 .cse0 .cse6 .cse3 .cse7 .cse1 .cse4 (exists ((|v_#memory_int_427| (Array Int (Array Int Int))) (|v_#memory_int_429| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_21| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_329| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_328| (Array Int (Array Int Int))) (|v_#valid_52| (Array Int Int)) (|v_#memory_$Pointer$.offset_329| (Array Int (Array Int Int))) (|v_#memory_int_34| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_328| (Array Int (Array Int Int))) (|v_#memory_int_127| (Array Int (Array Int Int))) (|v_#length_32| (Array Int Int)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14| Int) (|v_#memory_$Pointer$.offset_21| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_~_ha_hashv~0#1_BEFORE_CALL_14| Int)) (let ((.cse47 (select |v_#memory_int_34| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14|)) (.cse48 (select |v_#memory_int_127| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14|)) (.cse49 (select |v_#memory_$Pointer$.base_21| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14|)) (.cse52 (select |v_#memory_int_429| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14|)) (.cse53 (select |v_#memory_$Pointer$.base_329| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14|)) (.cse50 (select |v_#memory_$Pointer$.offset_21| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14|)) (.cse51 (select |v_#memory_$Pointer$.offset_329| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14|)) (.cse46 (select (select |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14|) 8))) (and (not (= .cse46 0)) (= |v_#memory_int_34| (store |v_#memory_int_427| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14| (store (store (select |v_#memory_int_427| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14|) 36 |v_ULTIMATE.start_main_~_ha_hashv~0#1_BEFORE_CALL_14|) 28 (select .cse47 28)))) (= (store |v_#memory_int_34| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14| (store (store .cse47 32 4) 16 (select .cse48 16))) |v_#memory_int_127|) (= (store |v_#memory_$Pointer$.base_328| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14| (store (select |v_#memory_$Pointer$.base_328| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14|) 36 (select .cse49 36))) |v_#memory_$Pointer$.base_21|) (= (store |v_#memory_$Pointer$.offset_328| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14| (store (select |v_#memory_$Pointer$.offset_328| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14|) 36 (select .cse50 36))) |v_#memory_$Pointer$.offset_21|) (= (select |v_#valid_52| .cse46) 0) (= (store |v_#memory_$Pointer$.offset_329| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14| (store (store (store .cse51 16 0) 12 0) 8 0)) |c_old(#memory_$Pointer$.offset)|) (= (store |v_#memory_int_127| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14| (store .cse48 12 (select .cse52 12))) |v_#memory_int_429|) (= (store |v_#memory_$Pointer$.base_21| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14| (store (store .cse49 28 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14|) 32 (select .cse53 32))) |v_#memory_$Pointer$.base_329|) (= |c_old(#memory_int)| (store |v_#memory_int_429| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14| (store .cse52 8 (select (select |c_old(#memory_int)| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14|) 8)))) (= |c_#length| (store |v_#length_32| .cse46 44)) (<= (+ .cse46 1) |c_#StackHeapBarrier|) (= (store |v_#memory_$Pointer$.base_329| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14| (store (store (store .cse53 16 0) 12 0) 8 .cse46)) |c_old(#memory_$Pointer$.base)|) (= |v_#memory_$Pointer$.offset_329| (store |v_#memory_$Pointer$.offset_21| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_14| (store (store .cse50 28 0) 32 (select .cse51 32)))) (= |c_#Ultimate.C_memset_#ptr.base| .cse46) (= |c_#valid| (store |v_#valid_52| .cse46 1)))))))))) is different from false [2024-11-09 05:49:35,148 WARN L286 SmtUtils]: Spent 2.94m on a formula simplification that was a NOOP. DAG size: 307 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:53:13,019 WARN L286 SmtUtils]: Spent 3.13m on a formula simplification that was a NOOP. DAG size: 312 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:55:07,671 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2878#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~tmp~0#1.base| 0) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~tmp~0#1.offset| 0) (<= 2 |ULTIMATE.start_main_~#i~0#1.base|) (= |ULTIMATE.start_main_~user~0#1.offset| 0) (= |ULTIMATE.start_main_~#i~0#1.offset| 0))' at error location [2024-11-09 05:55:07,671 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:55:07,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:55:07,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 5] total 11 [2024-11-09 05:55:07,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941223704] [2024-11-09 05:55:07,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:55:07,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 05:55:07,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:55:07,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 05:55:07,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=1466, Unknown=87, NotChecked=80, Total=1806 [2024-11-09 05:55:07,675 INFO L87 Difference]: Start difference. First operand 132 states and 153 transitions. Second operand has 11 states, 8 states have (on average 10.5) internal successors, (84), 11 states have internal predecessors, (84), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 05:55:09,962 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 05:55:11,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:13,369 WARN L539 Checker$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 05:55:18,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:20,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:23,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:25,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:27,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:29,067 WARN L539 Checker$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 05:55:31,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:33,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:35,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:37,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:39,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:40,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:42,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:44,934 WARN L539 Checker$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 05:55:46,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:48,939 WARN L539 Checker$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 05:55:50,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:52,950 WARN L539 Checker$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 05:55:54,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:56,390 WARN L539 Checker$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 05:55:59,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:56:00,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:56:00,321 INFO L93 Difference]: Finished difference Result 184 states and 217 transitions. [2024-11-09 05:56:00,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 05:56:00,323 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 10.5) internal successors, (84), 11 states have internal predecessors, (84), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 78 [2024-11-09 05:56:00,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:56:00,323 INFO L225 Difference]: With dead ends: 184 [2024-11-09 05:56:00,324 INFO L226 Difference]: Without dead ends: 183 [2024-11-09 05:56:00,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 192 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 646 ImplicationChecksByTransitivity, 556.8s TimeCoverageRelationStatistics Valid=229, Invalid=2040, Unknown=87, NotChecked=94, Total=2450 [2024-11-09 05:56:00,326 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 78 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 8 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:56:00,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 668 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 253 Invalid, 19 Unknown, 0 Unchecked, 51.1s Time] [2024-11-09 05:56:00,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-09 05:56:00,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 140. [2024-11-09 05:56:00,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 132 states have (on average 1.1893939393939394) internal successors, (157), 134 states have internal predecessors, (157), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 05:56:00,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2024-11-09 05:56:00,335 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 78 [2024-11-09 05:56:00,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:56:00,336 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2024-11-09 05:56:00,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 10.5) internal successors, (84), 11 states have internal predecessors, (84), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 05:56:00,336 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2024-11-09 05:56:00,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 05:56:00,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:56:00,339 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:56:00,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 05:56:00,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-09 05:56:00,540 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:56:00,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:56:00,540 INFO L85 PathProgramCache]: Analyzing trace with hash 600437997, now seen corresponding path program 2 times [2024-11-09 05:56:00,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:56:00,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223857423] [2024-11-09 05:56:00,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:56:00,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:56:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:56:02,232 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:56:02,232 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:56:02,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223857423] [2024-11-09 05:56:02,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223857423] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:56:02,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761159428] [2024-11-09 05:56:02,233 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 05:56:02,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:56:02,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:56:02,236 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:56:02,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7419d5b5-3248-449f-9129-2988637e77ef/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process