./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.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_8ae53d9c-08ed-450d-aa2c-e63c01947762/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae53d9c-08ed-450d-aa2c-e63c01947762/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_8ae53d9c-08ed-450d-aa2c-e63c01947762/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae53d9c-08ed-450d-aa2c-e63c01947762/bin/utaipan-verify-YMUCfTKeje/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae53d9c-08ed-450d-aa2c-e63c01947762/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_8ae53d9c-08ed-450d-aa2c-e63c01947762/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 765142a1ef820c0c2cf2fa98a3978a1412f5a1196c629c20848264001100dcc9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:37:19,822 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:37:19,880 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae53d9c-08ed-450d-aa2c-e63c01947762/bin/utaipan-verify-YMUCfTKeje/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2024-11-09 06:37:19,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:37:19,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:37:19,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:37:19,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:37:19,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:37:19,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:37:19,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:37:19,921 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:37:19,921 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:37:19,923 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:37:19,924 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:37:19,924 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:37:19,925 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:37:19,925 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:37:19,925 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:37:19,926 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:37:19,926 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:37:19,926 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:37:19,928 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:37:19,928 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 06:37:19,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 06:37:19,929 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:37:19,929 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:37:19,930 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:37:19,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:37:19,930 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:37:19,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:37:19,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:37:19,931 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 06:37:19,931 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 06:37:19,932 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:37:19,932 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:37:19,932 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:37:19,932 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:37:19,933 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:37:19,933 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:37:19,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:37:19,933 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:37:19,934 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:37:19,934 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:37:19,934 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:37:19,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:37:19,935 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:37:19,935 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:37:19,935 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:37:19,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:37:19,936 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:37:19,936 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:37:19,936 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:37:19,937 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_8ae53d9c-08ed-450d-aa2c-e63c01947762/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae53d9c-08ed-450d-aa2c-e63c01947762/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 765142a1ef820c0c2cf2fa98a3978a1412f5a1196c629c20848264001100dcc9 [2024-11-09 06:37:20,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:37:20,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:37:20,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:37:20,253 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:37:20,254 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:37:20,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae53d9c-08ed-450d-aa2c-e63c01947762/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i Unable to find full path for "g++" [2024-11-09 06:37:22,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:37:22,686 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:37:22,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae53d9c-08ed-450d-aa2c-e63c01947762/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i [2024-11-09 06:37:22,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae53d9c-08ed-450d-aa2c-e63c01947762/bin/utaipan-verify-YMUCfTKeje/data/c9102b73f/970c896349c1479fb386e42b78c74106/FLAGf3ddf08fa [2024-11-09 06:37:22,731 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae53d9c-08ed-450d-aa2c-e63c01947762/bin/utaipan-verify-YMUCfTKeje/data/c9102b73f/970c896349c1479fb386e42b78c74106 [2024-11-09 06:37:22,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:37:22,736 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:37:22,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:37:22,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:37:22,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:37:22,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:37:22" (1/1) ... [2024-11-09 06:37:22,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@255aa047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:22, skipping insertion in model container [2024-11-09 06:37:22,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:37:22" (1/1) ... [2024-11-09 06:37:22,813 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:37:23,375 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 06:37:23,424 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 06:37:23,432 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 06:37:23,435 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 06:37:23,448 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 06:37:23,503 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 06:37:23,509 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 06:37:23,512 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 06:37:23,525 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 06:37:23,544 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 06:37:23,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:37:23,570 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:37:23,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:37:23,729 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:37:23,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23 WrapperNode [2024-11-09 06:37:23,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:37:23,731 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:37:23,731 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:37:23,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:37:23,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:23,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:23,873 INFO L138 Inliner]: procedures = 176, calls = 336, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1557 [2024-11-09 06:37:23,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:37:23,874 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:37:23,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:37:23,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:37:23,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:23,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:23,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:23,918 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:23,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:23,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:23,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:23,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:24,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:37:24,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:37:24,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:37:24,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:37:24,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:24,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:37:24,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae53d9c-08ed-450d-aa2c-e63c01947762/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:37:24,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae53d9c-08ed-450d-aa2c-e63c01947762/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:37:24,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae53d9c-08ed-450d-aa2c-e63c01947762/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:37:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:37:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 06:37:24,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 06:37:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:37:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 06:37:24,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 06:37:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:37:24,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:37:24,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:37:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:37:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:37:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:37:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:37:24,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:37:24,484 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:37:24,487 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:37:27,915 INFO L? ?]: Removed 393 outVars from TransFormulas that were not future-live. [2024-11-09 06:37:27,918 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:37:29,549 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:37:29,550 INFO L316 CfgBuilder]: Removed 54 assume(true) statements. [2024-11-09 06:37:29,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:37:29 BoogieIcfgContainer [2024-11-09 06:37:29,550 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:37:29,552 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:37:29,553 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:37:29,556 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:37:29,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:37:22" (1/3) ... [2024-11-09 06:37:29,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e5c85c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:37:29, skipping insertion in model container [2024-11-09 06:37:29,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (2/3) ... [2024-11-09 06:37:29,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e5c85c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:37:29, skipping insertion in model container [2024-11-09 06:37:29,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:37:29" (3/3) ... [2024-11-09 06:37:29,559 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test4-1.i [2024-11-09 06:37:29,578 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:37:29,578 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 06:37:29,638 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:37:29,646 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;@43dcfaed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:37:29,646 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 06:37:29,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 130 states have (on average 1.7153846153846153) internal successors, (223), 142 states have internal predecessors, (223), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 06:37:29,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 06:37:29,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:37:29,663 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 06:37:29,663 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 06:37:29,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:37:29,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1266637869, now seen corresponding path program 1 times [2024-11-09 06:37:29,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:37:29,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221205103] [2024-11-09 06:37:29,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:29,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:37:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:37:29,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:37:29,902 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:37:29,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221205103] [2024-11-09 06:37:29,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221205103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:37:29,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:37:29,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:37:29,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884482249] [2024-11-09 06:37:29,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:37:29,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:37:29,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:37:29,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:37:29,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:37:29,953 INFO L87 Difference]: Start difference. First operand has 151 states, 130 states have (on average 1.7153846153846153) internal successors, (223), 142 states have internal predecessors, (223), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:37:32,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:34,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:36,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:38,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:40,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:43,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:45,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:46,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:37:46,444 INFO L93 Difference]: Finished difference Result 261 states and 323 transitions. [2024-11-09 06:37:46,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:37:46,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-11-09 06:37:46,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:37:46,476 INFO L225 Difference]: With dead ends: 261 [2024-11-09 06:37:46,477 INFO L226 Difference]: Without dead ends: 260 [2024-11-09 06:37:46,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:37:46,488 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 118 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:37:46,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 365 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 6 Unknown, 0 Unchecked, 16.4s Time] [2024-11-09 06:37:46,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-09 06:37:46,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 151. [2024-11-09 06:37:46,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 131 states have (on average 1.2290076335877862) internal successors, (161), 142 states have internal predecessors, (161), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 06:37:46,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 193 transitions. [2024-11-09 06:37:46,593 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 193 transitions. Word has length 6 [2024-11-09 06:37:46,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:37:46,594 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 193 transitions. [2024-11-09 06:37:46,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:37:46,598 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 193 transitions. [2024-11-09 06:37:46,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 06:37:46,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:37:46,605 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:37:46,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:37:46,605 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 06:37:46,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:37:46,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1705974303, now seen corresponding path program 1 times [2024-11-09 06:37:46,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:37:46,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193695989] [2024-11-09 06:37:46,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:46,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:37:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:37:47,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:37:47,443 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:37:47,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193695989] [2024-11-09 06:37:47,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193695989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:37:47,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:37:47,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:37:47,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137154532] [2024-11-09 06:37:47,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:37:47,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:37:47,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:37:47,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:37:47,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:37:47,448 INFO L87 Difference]: Start difference. First operand 151 states and 193 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:37:49,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:51,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:53,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:56,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:58,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:00,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:02,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:04,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:06,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:07,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:38:07,229 INFO L93 Difference]: Finished difference Result 167 states and 211 transitions. [2024-11-09 06:38:07,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:38:07,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 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 61 [2024-11-09 06:38:07,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:38:07,235 INFO L225 Difference]: With dead ends: 167 [2024-11-09 06:38:07,235 INFO L226 Difference]: Without dead ends: 167 [2024-11-09 06:38:07,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:38:07,236 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 6 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:38:07,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 332 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 9 Unknown, 0 Unchecked, 19.8s Time] [2024-11-09 06:38:07,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-09 06:38:07,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2024-11-09 06:38:07,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 147 states have (on average 1.217687074829932) internal successors, (179), 158 states have internal predecessors, (179), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 06:38:07,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 211 transitions. [2024-11-09 06:38:07,249 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 211 transitions. Word has length 61 [2024-11-09 06:38:07,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:38:07,250 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 211 transitions. [2024-11-09 06:38:07,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:38:07,250 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 211 transitions. [2024-11-09 06:38:07,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 06:38:07,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:38:07,252 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:38:07,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:38:07,253 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 06:38:07,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:38:07,254 INFO L85 PathProgramCache]: Analyzing trace with hash 757067375, now seen corresponding path program 1 times [2024-11-09 06:38:07,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:38:07,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102750079] [2024-11-09 06:38:07,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:38:07,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:38:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:38:07,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 06:38:07,794 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:38:07,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102750079] [2024-11-09 06:38:07,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102750079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:38:07,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:38:07,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:38:07,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815222544] [2024-11-09 06:38:07,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:38:07,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:38:07,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:38:07,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:38:07,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:38:07,802 INFO L87 Difference]: Start difference. First operand 167 states and 211 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 06:38:09,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:11,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:13,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:15,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:18,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:20,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:22,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:24,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:26,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:28,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:30,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:38:31,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:38:31,694 INFO L93 Difference]: Finished difference Result 219 states and 272 transitions. [2024-11-09 06:38:31,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:38:31,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 74 [2024-11-09 06:38:31,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:38:31,699 INFO L225 Difference]: With dead ends: 219 [2024-11-09 06:38:31,699 INFO L226 Difference]: Without dead ends: 219 [2024-11-09 06:38:31,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:38:31,701 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 30 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:38:31,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 331 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 10 Unknown, 0 Unchecked, 23.9s Time] [2024-11-09 06:38:31,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-09 06:38:31,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2024-11-09 06:38:31,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 196 states have (on average 1.1938775510204083) internal successors, (234), 207 states have internal predecessors, (234), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 10 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 06:38:31,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 272 transitions. [2024-11-09 06:38:31,715 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 272 transitions. Word has length 74 [2024-11-09 06:38:31,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:38:31,716 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 272 transitions. [2024-11-09 06:38:31,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 06:38:31,716 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 272 transitions. [2024-11-09 06:38:31,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 06:38:31,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:38:31,719 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:38:31,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:38:31,719 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 06:38:31,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:38:31,720 INFO L85 PathProgramCache]: Analyzing trace with hash 70586253, now seen corresponding path program 1 times [2024-11-09 06:38:31,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:38:31,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193193973] [2024-11-09 06:38:31,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:38:31,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:38:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:38:32,389 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 06:38:32,390 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:38:32,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193193973] [2024-11-09 06:38:32,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193193973] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:38:32,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753462073] [2024-11-09 06:38:32,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:38:32,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:38:32,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae53d9c-08ed-450d-aa2c-e63c01947762/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:38:32,394 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae53d9c-08ed-450d-aa2c-e63c01947762/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:38:32,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae53d9c-08ed-450d-aa2c-e63c01947762/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:38:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:38:33,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:38:33,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:38:33,265 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 06:38:33,265 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:38:33,501 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 06:38:33,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753462073] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:38:33,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1827222201] [2024-11-09 06:38:33,527 INFO L159 IcfgInterpreter]: Started Sifa with 78 locations of interest [2024-11-09 06:38:33,528 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:38:33,533 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:38:33,540 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:38:33,540 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:38:40,083 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 121 for LOIs [2024-11-09 06:38:40,120 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:38:51,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1827222201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:38:51,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:38:51,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4, 4] total 18 [2024-11-09 06:38:51,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386824506] [2024-11-09 06:38:51,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:38:51,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:38:51,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:38:51,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:38:51,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=205, Unknown=6, NotChecked=0, Total=306 [2024-11-09 06:38:51,041 INFO L87 Difference]: Start difference. First operand 219 states and 272 transitions. Second operand has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 11 states have internal predecessors, (73), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 06:38:53,119 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 [0] [2024-11-09 06:38:55,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:38:57,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:38:59,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:01,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:04,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:06,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:08,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:10,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:12,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:14,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:16,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:18,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:20,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:22,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:24,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:26,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:28,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:31,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:33,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:35,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:41,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:39:43,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:45,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:47,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:39:49,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:51,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:39:53,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:55,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:57,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:59,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:40:01,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:40:07,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 06:40:09,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 06:40:11,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 06:40:13,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 06:40:19,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:40:21,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:40:23,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:40:25,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:40:27,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:40:29,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:40:31,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:40:33,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:40:35,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:40:37,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:40:39,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:40:41,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:40:43,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:40:45,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:40:46,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:40:52,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 06:40:54,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 06:40:56,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 06:40:58,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:41:00,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 06:41:01,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:41:01,094 INFO L93 Difference]: Finished difference Result 217 states and 268 transitions. [2024-11-09 06:41:01,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 06:41:01,103 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 11 states have internal predecessors, (73), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 87 [2024-11-09 06:41:01,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:41:01,105 INFO L225 Difference]: With dead ends: 217 [2024-11-09 06:41:01,105 INFO L226 Difference]: Without dead ends: 217 [2024-11-09 06:41:01,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=95, Invalid=205, Unknown=6, NotChecked=0, Total=306 [2024-11-09 06:41:01,107 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 5 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 1 mSolverCounterUnsat, 55 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 128.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1237 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 55 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 130.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:41:01,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1237 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 655 Invalid, 55 Unknown, 0 Unchecked, 130.0s Time] [2024-11-09 06:41:01,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-09 06:41:01,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2024-11-09 06:41:01,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 194 states have (on average 1.1855670103092784) internal successors, (230), 204 states have internal predecessors, (230), 19 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (19), 10 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 06:41:01,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 268 transitions. [2024-11-09 06:41:01,128 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 268 transitions. Word has length 87 [2024-11-09 06:41:01,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:41:01,129 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 268 transitions. [2024-11-09 06:41:01,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 11 states have internal predecessors, (73), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 06:41:01,130 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 268 transitions. [2024-11-09 06:41:01,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 06:41:01,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:41:01,133 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:41:01,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae53d9c-08ed-450d-aa2c-e63c01947762/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 06:41:01,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae53d9c-08ed-450d-aa2c-e63c01947762/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:41:01,338 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 06:41:01,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:41:01,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1144855675, now seen corresponding path program 1 times [2024-11-09 06:41:01,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:41:01,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057778921] [2024-11-09 06:41:01,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:41:01,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:41:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:41:02,068 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 06:41:02,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:41:02,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057778921] [2024-11-09 06:41:02,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057778921] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:41:02,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312357952] [2024-11-09 06:41:02,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:41:02,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:41:02,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae53d9c-08ed-450d-aa2c-e63c01947762/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:41:02,073 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae53d9c-08ed-450d-aa2c-e63c01947762/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:41:02,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae53d9c-08ed-450d-aa2c-e63c01947762/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 06:41:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:41:02,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:41:02,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:41:03,352 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 06:41:03,354 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:41:03,861 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 06:41:03,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312357952] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:41:03,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1520263632] [2024-11-09 06:41:03,867 INFO L159 IcfgInterpreter]: Started Sifa with 78 locations of interest [2024-11-09 06:41:03,867 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:41:03,868 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:41:03,869 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:41:03,869 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:42:20,813 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 9 for LOIs [2024-11-09 06:42:20,855 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:42:26,988 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse3 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 32)) (.cse0 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 36)) (.cse2 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 28))) (and (exists ((|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_585| (Array Int (Array Int Int)))) (let ((.cse1 (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= (store |v_#memory_$Pointer$.base_585| |c_ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.base_585| |c_ULTIMATE.start_main_~user~0#1.base|) .cse0 (select .cse1 .cse0))) |v_#memory_$Pointer$.base_96|) (= (store |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse1 .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse3 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))) |c_#memory_$Pointer$.base|)))) (exists ((|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_585| (Array Int (Array Int Int)))) (let ((.cse4 (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= (store |v_#memory_$Pointer$.offset_585| |c_ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.offset_585| |c_ULTIMATE.start_main_~user~0#1.base|) .cse0 (select .cse4 .cse0))) |v_#memory_$Pointer$.offset_96|) (= (store |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse4 .cse2 |c_ULTIMATE.start_main_~user~0#1.offset|) .cse3 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))) |c_#memory_$Pointer$.offset|)))) (exists ((|v_#memory_int_105| (Array Int (Array Int Int))) (|v_#memory_int_682| (Array Int (Array Int Int)))) (let ((.cse5 (select |v_#memory_int_105| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= |c_#memory_int| (store |v_#memory_int_105| |c_ULTIMATE.start_main_~user~0#1.base| (store .cse5 .cse3 4))) (= (store |v_#memory_int_682| |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select |v_#memory_int_682| |c_ULTIMATE.start_main_~user~0#1.base|) .cse0 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) .cse2 (select .cse5 .cse2))) |v_#memory_int_105|)))))) is different from true [2024-11-09 06:42:27,069 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 36)) (.cse2 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 28)) (.cse6 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 12)) (.cse3 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 32)) (.cse5 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 16))) (and (exists ((|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_585| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_586| (Array Int (Array Int Int)))) (let ((.cse1 (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse4 (select |v_#memory_$Pointer$.offset_586| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= (store |v_#memory_$Pointer$.offset_585| |c_ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.offset_585| |c_ULTIMATE.start_main_~user~0#1.base|) .cse0 (select .cse1 .cse0))) |v_#memory_$Pointer$.offset_96|) (= (store |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse1 .cse2 |c_ULTIMATE.start_main_~user~0#1.offset|) .cse3 (select .cse4 .cse3))) |v_#memory_$Pointer$.offset_586|) (= (store |v_#memory_$Pointer$.offset_586| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse4 .cse5 0) .cse6 0)) |c_#memory_$Pointer$.offset|)))) (exists ((|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_586| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_585| (Array Int (Array Int Int)))) (let ((.cse8 (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse7 (select |v_#memory_$Pointer$.base_586| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_586| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse7 .cse5 0) .cse6 0))) (= (store |v_#memory_$Pointer$.base_585| |c_ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.base_585| |c_ULTIMATE.start_main_~user~0#1.base|) .cse0 (select .cse8 .cse0))) |v_#memory_$Pointer$.base_96|) (= (store |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse8 .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse3 (select .cse7 .cse3))) |v_#memory_$Pointer$.base_586|)))) (exists ((|v_#memory_int_105| (Array Int (Array Int Int))) (|v_#memory_int_682| (Array Int (Array Int Int))) (|v_#memory_int_197| (Array Int (Array Int Int)))) (let ((.cse9 (select |v_#memory_int_105| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse10 (select |v_#memory_int_197| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= (store |v_#memory_int_682| |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select |v_#memory_int_682| |c_ULTIMATE.start_main_~user~0#1.base|) .cse0 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) .cse2 (select .cse9 .cse2))) |v_#memory_int_105|) (= |c_#memory_int| (store |v_#memory_int_197| |c_ULTIMATE.start_main_~user~0#1.base| (store .cse10 .cse6 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~user~0#1.base|) .cse6)))) (= (store |v_#memory_int_105| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse9 .cse3 4) .cse5 (select .cse10 .cse5))) |v_#memory_int_197|)))))) is different from true [2024-11-09 06:42:41,063 WARN L286 SmtUtils]: Spent 7.36s on a formula simplification that was a NOOP. DAG size: 173 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:42:48,991 WARN L286 SmtUtils]: Spent 6.51s on a formula simplification that was a NOOP. DAG size: 178 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:42:51,009 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse23 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8)) (.cse24 (exists ((|v_#Ultimate.C_memset_#t~loopctr309_39| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr309_39| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr309_39|))))) (or (and (exists ((|v_#memory_$Pointer$.offset_588| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_47| (Array Int (Array Int Int))) (|v_#valid_91| (Array Int Int)) (|v_#length_62| (Array Int Int)) (|v_#memory_$Pointer$.base_185| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_184| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_183| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_BEFORE_CALL_79| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_183| (Array Int (Array Int Int))) (|v_#memory_int_198| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_184| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_588| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_185| (Array Int (Array Int Int))) (|v_#memory_int_199| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc57#1.base_6| Int) (|v_#memory_int_685| (Array Int (Array Int Int)))) (let ((.cse16 (select (select |v_#memory_$Pointer$.base_184| |c_ULTIMATE.start_main_~user~0#1.base|) .cse23)) (.cse17 (select (select |v_#memory_$Pointer$.offset_184| |c_ULTIMATE.start_main_~user~0#1.base|) .cse23)) (.cse4 (select (select |v_#memory_$Pointer$.base_588| |c_ULTIMATE.start_main_~user~0#1.base|) .cse23)) (.cse5 (+ 16 (select (select |v_#memory_$Pointer$.offset_588| |c_ULTIMATE.start_main_~user~0#1.base|) .cse23)))) (let ((.cse21 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_47| |c_ULTIMATE.start_main_~user~0#1.base|) .cse23)) (.cse22 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_79| |c_ULTIMATE.start_main_~user~0#1.base|) .cse23)) (.cse20 (store |v_#memory_$Pointer$.offset_588| .cse4 (store (select |v_#memory_$Pointer$.offset_588| .cse4) .cse5 .cse23))) (.cse8 (store |v_#memory_$Pointer$.base_588| .cse4 (store (select |v_#memory_$Pointer$.base_588| .cse4) .cse5 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse0 (store |v_#memory_$Pointer$.offset_184| .cse16 (store (select |v_#memory_$Pointer$.offset_184| .cse16) .cse17 0))) (.cse11 (store |v_#memory_$Pointer$.base_184| .cse16 (store (select |v_#memory_$Pointer$.base_184| .cse16) .cse17 |v_ULTIMATE.start_main_#t~malloc57#1.base_6|)))) (let ((.cse1 (select (select .cse11 |c_ULTIMATE.start_main_~user~0#1.base|) .cse23)) (.cse2 (+ 40 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse23))) (.cse6 (select (select |v_#memory_$Pointer$.base_183| |c_ULTIMATE.start_main_~user~0#1.base|) .cse23)) (.cse7 (+ 8 (select (select |v_#memory_$Pointer$.offset_183| |c_ULTIMATE.start_main_~user~0#1.base|) .cse23))) (.cse9 (select (select .cse8 |c_ULTIMATE.start_main_~user~0#1.base|) .cse23)) (.cse10 (+ (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) .cse23) 4)) (.cse12 (select (select |v_#memory_$Pointer$.base_185| |c_ULTIMATE.start_main_~user~0#1.base|) .cse23)) (.cse13 (+ 20 (select (select |v_#memory_$Pointer$.offset_185| |c_ULTIMATE.start_main_~user~0#1.base|) .cse23))) (.cse3 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_79| .cse21) .cse22)) (.cse14 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_47| .cse21) .cse22))) (and (= (store .cse0 .cse1 (store (select .cse0 .cse1) .cse2 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_79| .cse1) .cse2))) |v_#memory_$Pointer$.offset_BEFORE_CALL_79|) (= .cse3 |c_ULTIMATE.start_main_#t~mem63#1.offset|) (= (select |v_#valid_91| |v_ULTIMATE.start_main_#t~malloc57#1.base_6|) 0) (= (store |v_#memory_int_685| .cse4 (store (select |v_#memory_int_685| .cse4) .cse5 (select (select |v_#memory_int_198| .cse4) .cse5))) |v_#memory_int_198|) (= (store |v_#memory_$Pointer$.base_183| .cse6 (store (select |v_#memory_$Pointer$.base_183| .cse6) .cse7 (select (select |v_#memory_$Pointer$.base_185| .cse6) .cse7))) |v_#memory_$Pointer$.base_185|) (not (= |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 0)) (= (store .cse8 .cse9 (store (select .cse8 .cse9) .cse10 (select (select |v_#memory_$Pointer$.base_183| .cse9) .cse10))) |v_#memory_$Pointer$.base_183|) (= (store .cse11 .cse1 (store (select .cse11 .cse1) .cse2 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_47| .cse1) .cse2))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_47|) (= |v_#memory_$Pointer$.offset_185| (store |v_#memory_$Pointer$.offset_183| .cse6 (store (select |v_#memory_$Pointer$.offset_183| .cse6) .cse7 (select (select |v_#memory_$Pointer$.offset_185| .cse6) .cse7)))) (= (store |v_#memory_$Pointer$.base_185| .cse12 (store (select |v_#memory_$Pointer$.base_185| .cse12) .cse13 (select (select |v_#memory_$Pointer$.base_184| .cse12) .cse13))) |v_#memory_$Pointer$.base_184|) (= |c_ULTIMATE.start_main_#t~mem63#1.base| .cse14) (= |c_#valid| (store |v_#valid_91| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1)) (= (let ((.cse15 (let ((.cse18 (let ((.cse19 (store |v_#memory_int_198| .cse9 (store (select |v_#memory_int_198| .cse9) .cse10 32)))) (store .cse19 .cse6 (store (select .cse19 .cse6) .cse7 5))))) (store .cse18 .cse12 (store (select .cse18 .cse12) .cse13 8))))) (store .cse15 .cse16 (store (select .cse15 .cse16) .cse17 (select (select |v_#memory_int_199| .cse16) .cse17)))) |v_#memory_int_199|) (= (store .cse20 .cse9 (store (select .cse20 .cse9) .cse10 (select (select |v_#memory_$Pointer$.offset_183| .cse9) .cse10))) |v_#memory_$Pointer$.offset_183|) (= (store |v_#memory_$Pointer$.offset_185| .cse12 (store (select |v_#memory_$Pointer$.offset_185| .cse12) .cse13 (select (select |v_#memory_$Pointer$.offset_184| .cse12) .cse13))) |v_#memory_$Pointer$.offset_184|) (<= (+ |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1) |c_#StackHeapBarrier|) (= |c_#length| (store |v_#length_62| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 384)) (or (not (= .cse3 0)) (not (= .cse14 0)))))))) .cse24) (and (exists ((|v_#memory_$Pointer$.offset_588| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_48| (Array Int (Array Int Int))) (|v_#valid_91| (Array Int Int)) (|v_#length_62| (Array Int Int)) (|v_#memory_$Pointer$.base_185| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_184| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_183| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_183| (Array Int (Array Int Int))) (|v_#memory_int_198| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_184| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_588| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_185| (Array Int (Array Int Int))) (|v_#memory_int_199| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc57#1.base_6| Int) (|v_#memory_int_685| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_48| (Array Int (Array Int Int)))) (let ((.cse39 (select (select |v_#memory_$Pointer$.base_184| |c_ULTIMATE.start_main_~user~0#1.base|) .cse23)) (.cse40 (select (select |v_#memory_$Pointer$.offset_184| |c_ULTIMATE.start_main_~user~0#1.base|) .cse23)) (.cse26 (select (select |v_#memory_$Pointer$.base_588| |c_ULTIMATE.start_main_~user~0#1.base|) .cse23)) (.cse27 (+ 16 (select (select |v_#memory_$Pointer$.offset_588| |c_ULTIMATE.start_main_~user~0#1.base|) .cse23)))) (let ((.cse46 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_48| |c_ULTIMATE.start_main_~user~0#1.base|) .cse23)) (.cse47 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_48| |c_ULTIMATE.start_main_~user~0#1.base|) .cse23)) (.cse45 (store |v_#memory_$Pointer$.offset_588| .cse26 (store (select |v_#memory_$Pointer$.offset_588| .cse26) .cse27 .cse23))) (.cse33 (store |v_#memory_$Pointer$.base_588| .cse26 (store (select |v_#memory_$Pointer$.base_588| .cse26) .cse27 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse44 (store |v_#memory_$Pointer$.offset_184| .cse39 (store (select |v_#memory_$Pointer$.offset_184| .cse39) .cse40 0))) (.cse30 (store |v_#memory_$Pointer$.base_184| .cse39 (store (select |v_#memory_$Pointer$.base_184| .cse39) .cse40 |v_ULTIMATE.start_main_#t~malloc57#1.base_6|)))) (let ((.cse28 (select (select |v_#memory_$Pointer$.base_183| |c_ULTIMATE.start_main_~user~0#1.base|) .cse23)) (.cse29 (+ 8 (select (select |v_#memory_$Pointer$.offset_183| |c_ULTIMATE.start_main_~user~0#1.base|) .cse23))) (.cse31 (select (select .cse30 |c_ULTIMATE.start_main_~user~0#1.base|) .cse23)) (.cse32 (+ 40 (select (select .cse44 |c_ULTIMATE.start_main_~user~0#1.base|) .cse23))) (.cse34 (select (select .cse33 |c_ULTIMATE.start_main_~user~0#1.base|) .cse23)) (.cse35 (+ (select (select .cse45 |c_ULTIMATE.start_main_~user~0#1.base|) .cse23) 4)) (.cse36 (select (select |v_#memory_$Pointer$.base_185| |c_ULTIMATE.start_main_~user~0#1.base|) .cse23)) (.cse37 (+ 20 (select (select |v_#memory_$Pointer$.offset_185| |c_ULTIMATE.start_main_~user~0#1.base|) .cse23))) (.cse43 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_48| .cse46) .cse47)) (.cse25 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_48| .cse46) .cse47))) (and (= |c_ULTIMATE.start_main_#t~mem63#1.base| .cse25) (= (select |v_#valid_91| |v_ULTIMATE.start_main_#t~malloc57#1.base_6|) 0) (= (store |v_#memory_int_685| .cse26 (store (select |v_#memory_int_685| .cse26) .cse27 (select (select |v_#memory_int_198| .cse26) .cse27))) |v_#memory_int_198|) (= (store |v_#memory_$Pointer$.base_183| .cse28 (store (select |v_#memory_$Pointer$.base_183| .cse28) .cse29 (select (select |v_#memory_$Pointer$.base_185| .cse28) .cse29))) |v_#memory_$Pointer$.base_185|) (not (= |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 0)) (= (store .cse30 .cse31 (store (select .cse30 .cse31) .cse32 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_48| .cse31) .cse32))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_48|) (= (store .cse33 .cse34 (store (select .cse33 .cse34) .cse35 (select (select |v_#memory_$Pointer$.base_183| .cse34) .cse35))) |v_#memory_$Pointer$.base_183|) (= |v_#memory_$Pointer$.offset_185| (store |v_#memory_$Pointer$.offset_183| .cse28 (store (select |v_#memory_$Pointer$.offset_183| .cse28) .cse29 (select (select |v_#memory_$Pointer$.offset_185| .cse28) .cse29)))) (= (store |v_#memory_$Pointer$.base_185| .cse36 (store (select |v_#memory_$Pointer$.base_185| .cse36) .cse37 (select (select |v_#memory_$Pointer$.base_184| .cse36) .cse37))) |v_#memory_$Pointer$.base_184|) (= |c_#valid| (store |v_#valid_91| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1)) (= (let ((.cse38 (let ((.cse41 (let ((.cse42 (store |v_#memory_int_198| .cse34 (store (select |v_#memory_int_198| .cse34) .cse35 32)))) (store .cse42 .cse28 (store (select .cse42 .cse28) .cse29 5))))) (store .cse41 .cse36 (store (select .cse41 .cse36) .cse37 8))))) (store .cse38 .cse39 (store (select .cse38 .cse39) .cse40 (select (select |v_#memory_int_199| .cse39) .cse40)))) |v_#memory_int_199|) (= |c_ULTIMATE.start_main_#t~mem63#1.offset| .cse43) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_48| (store .cse44 .cse31 (store (select .cse44 .cse31) .cse32 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_48| .cse31) .cse32)))) (= (store .cse45 .cse34 (store (select .cse45 .cse34) .cse35 (select (select |v_#memory_$Pointer$.offset_183| .cse34) .cse35))) |v_#memory_$Pointer$.offset_183|) (= (store |v_#memory_$Pointer$.offset_185| .cse36 (store (select |v_#memory_$Pointer$.offset_185| .cse36) .cse37 (select (select |v_#memory_$Pointer$.offset_184| .cse36) .cse37))) |v_#memory_$Pointer$.offset_184|) (<= (+ |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1) |c_#StackHeapBarrier|) (= |c_#length| (store |v_#length_62| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 384)) (or (not (= .cse43 0)) (not (= .cse25 0)))))))) .cse24))) is different from false [2024-11-09 06:43:28,363 WARN L286 SmtUtils]: Spent 12.13s on a formula simplification that was a NOOP. DAG size: 180 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:43:41,890 WARN L286 SmtUtils]: Spent 10.34s on a formula simplification that was a NOOP. DAG size: 185 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:45:06,894 WARN L286 SmtUtils]: Spent 34.17s on a formula simplification that was a NOOP. DAG size: 218 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:46:38,127 WARN L286 SmtUtils]: Spent 29.09s on a formula simplification that was a NOOP. DAG size: 212 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:48:08,282 WARN L286 SmtUtils]: Spent 41.86s on a formula simplification that was a NOOP. DAG size: 216 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:48:10,297 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~count_int_int~0 0) (exists ((|v_#memory_int_679| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_582| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_582| (Array Int (Array Int Int)))) (let ((.cse0 (select (select |v_#memory_$Pointer$.base_582| |c_ULTIMATE.start_main_~altusers~0#1.base|) 40)) (.cse2 (+ (select (select |v_#memory_$Pointer$.offset_582| |c_ULTIMATE.start_main_~altusers~0#1.base|) 40) 12))) (and (= (store |v_#memory_int_679| .cse0 (let ((.cse1 (select |v_#memory_int_679| .cse0))) (store .cse1 .cse2 (+ (select .cse1 .cse2) 1)))) |c_#memory_int|) (= (store |v_#memory_$Pointer$.offset_582| .cse0 (store (select |v_#memory_$Pointer$.offset_582| .cse0) .cse2 (select (select |c_#memory_$Pointer$.offset| .cse0) .cse2))) |c_#memory_$Pointer$.offset|) (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_582| .cse0 (store (select |v_#memory_$Pointer$.base_582| .cse0) .cse2 (select (select |c_#memory_$Pointer$.base| .cse0) .cse2))))))) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (= |c_ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (= |c_ULTIMATE.start_main_~altusers~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|) (let ((.cse24 (exists ((|v_#Ultimate.C_memset_#t~loopctr309_39| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr309_39| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr309_39|))))) (or (and (exists ((|v_#valid_88| (Array Int Int)) (|v_#memory_int_678| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_43| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc206#1.base_6| Int) (|v_#memory_$Pointer$.base_581| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_180| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_43| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_180| (Array Int (Array Int Int))) (|v_#length_59| (Array Int Int)) (|v_#memory_$Pointer$.offset_581| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_179| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_178| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_178| (Array Int (Array Int Int))) (|v_#memory_int_195| (Array Int (Array Int Int))) (|v_#memory_int_196| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_179| (Array Int (Array Int Int)))) (let ((.cse14 (select (select |v_#memory_$Pointer$.base_179| |c_ULTIMATE.start_main_~user~0#1.base|) 40)) (.cse15 (select (select |v_#memory_$Pointer$.offset_179| |c_ULTIMATE.start_main_~user~0#1.base|) 40)) (.cse21 (select (select |v_#memory_$Pointer$.base_581| |c_ULTIMATE.start_main_~user~0#1.base|) 40)) (.cse22 (+ (select (select |v_#memory_$Pointer$.offset_581| |c_ULTIMATE.start_main_~user~0#1.base|) 40) 16))) (let ((.cse20 (store |v_#memory_$Pointer$.offset_581| .cse21 (store (select |v_#memory_$Pointer$.offset_581| .cse21) .cse22 40))) (.cse23 (store |v_#memory_$Pointer$.base_581| .cse21 (store (select |v_#memory_$Pointer$.base_581| .cse21) .cse22 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse3 (store |v_#memory_$Pointer$.offset_179| .cse14 (store (select |v_#memory_$Pointer$.offset_179| .cse14) .cse15 0))) (.cse8 (store |v_#memory_$Pointer$.base_179| .cse14 (store (select |v_#memory_$Pointer$.base_179| .cse14) .cse15 |v_ULTIMATE.start_main_#t~malloc206#1.base_6|)))) (let ((.cse4 (select (select .cse8 |c_ULTIMATE.start_main_~user~0#1.base|) 40)) (.cse5 (+ 40 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) 40))) (.cse6 (select (select |v_#memory_$Pointer$.base_178| |c_ULTIMATE.start_main_~user~0#1.base|) 40)) (.cse7 (+ (select (select |v_#memory_$Pointer$.offset_178| |c_ULTIMATE.start_main_~user~0#1.base|) 40) 8)) (.cse9 (select (select |v_#memory_$Pointer$.base_180| |c_ULTIMATE.start_main_~user~0#1.base|) 40)) (.cse10 (+ (select (select |v_#memory_$Pointer$.offset_180| |c_ULTIMATE.start_main_~user~0#1.base|) 40) 20)) (.cse18 (select (select .cse23 |c_ULTIMATE.start_main_~user~0#1.base|) 40)) (.cse19 (+ (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 40) 4))) (and (not (= |v_ULTIMATE.start_main_#t~malloc206#1.base_6| 0)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_43| (store .cse3 .cse4 (store (select .cse3 .cse4) .cse5 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_43| .cse4) .cse5)))) (= (store |v_#memory_$Pointer$.offset_178| .cse6 (store (select |v_#memory_$Pointer$.offset_178| .cse6) .cse7 (select (select |v_#memory_$Pointer$.offset_180| .cse6) .cse7))) |v_#memory_$Pointer$.offset_180|) (= (store .cse8 .cse4 (store (select .cse8 .cse4) .cse5 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_43| .cse4) .cse5))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_43|) (= (store |v_#memory_$Pointer$.offset_180| .cse9 (store (select |v_#memory_$Pointer$.offset_180| .cse9) .cse10 (select (select |v_#memory_$Pointer$.offset_179| .cse9) .cse10))) |v_#memory_$Pointer$.offset_179|) (= |c_#valid| (store |v_#valid_88| |v_ULTIMATE.start_main_#t~malloc206#1.base_6| 1)) (let ((.cse11 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_43| |c_ULTIMATE.start_main_~user~0#1.base|) 40)) (.cse12 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_43| |c_ULTIMATE.start_main_~user~0#1.base|) 40))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_43| .cse11) .cse12) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_43| .cse11) .cse12) 0)))) (= (store |v_#memory_$Pointer$.base_178| .cse6 (store (select |v_#memory_$Pointer$.base_178| .cse6) .cse7 (select (select |v_#memory_$Pointer$.base_180| .cse6) .cse7))) |v_#memory_$Pointer$.base_180|) (= (let ((.cse13 (let ((.cse16 (let ((.cse17 (store |v_#memory_int_196| .cse18 (store (select |v_#memory_int_196| .cse18) .cse19 32)))) (store .cse17 .cse6 (store (select .cse17 .cse6) .cse7 5))))) (store .cse16 .cse9 (store (select .cse16 .cse9) .cse10 40))))) (store .cse13 .cse14 (store (select .cse13 .cse14) .cse15 (select (select |v_#memory_int_195| .cse14) .cse15)))) |v_#memory_int_195|) (= (select |v_#valid_88| |v_ULTIMATE.start_main_#t~malloc206#1.base_6|) 0) (= (store .cse20 .cse18 (store (select .cse20 .cse18) .cse19 (select (select |v_#memory_$Pointer$.offset_178| .cse18) .cse19))) |v_#memory_$Pointer$.offset_178|) (= |c_#length| (store |v_#length_59| |v_ULTIMATE.start_main_#t~malloc206#1.base_6| 384)) (<= (+ |v_ULTIMATE.start_main_#t~malloc206#1.base_6| 1) |c_#StackHeapBarrier|) (= (store |v_#memory_$Pointer$.base_180| .cse9 (store (select |v_#memory_$Pointer$.base_180| .cse9) .cse10 (select (select |v_#memory_$Pointer$.base_179| .cse9) .cse10))) |v_#memory_$Pointer$.base_179|) (= (store |v_#memory_int_678| .cse21 (store (select |v_#memory_int_678| .cse21) .cse22 (select (select |v_#memory_int_196| .cse21) .cse22))) |v_#memory_int_196|) (= (store .cse23 .cse18 (store (select .cse23 .cse18) .cse19 (select (select |v_#memory_$Pointer$.base_178| .cse18) .cse19))) |v_#memory_$Pointer$.base_178|)))))) .cse24) (and (exists ((|v_#valid_88| (Array Int Int)) (|v_#memory_int_678| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc206#1.base_6| Int) (|v_#memory_$Pointer$.base_581| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_180| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_180| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_44| (Array Int (Array Int Int))) (|v_#length_59| (Array Int Int)) (|v_#memory_$Pointer$.offset_581| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_179| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_178| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_178| (Array Int (Array Int Int))) (|v_#memory_int_195| (Array Int (Array Int Int))) (|v_#memory_int_196| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_179| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_BEFORE_CALL_73| (Array Int (Array Int Int)))) (let ((.cse30 (select (select |v_#memory_$Pointer$.base_179| |c_ULTIMATE.start_main_~user~0#1.base|) 40)) (.cse31 (select (select |v_#memory_$Pointer$.offset_179| |c_ULTIMATE.start_main_~user~0#1.base|) 40)) (.cse43 (select (select |v_#memory_$Pointer$.base_581| |c_ULTIMATE.start_main_~user~0#1.base|) 40)) (.cse44 (+ (select (select |v_#memory_$Pointer$.offset_581| |c_ULTIMATE.start_main_~user~0#1.base|) 40) 16))) (let ((.cse38 (store |v_#memory_$Pointer$.offset_581| .cse43 (store (select |v_#memory_$Pointer$.offset_581| .cse43) .cse44 40))) (.cse45 (store |v_#memory_$Pointer$.base_581| .cse43 (store (select |v_#memory_$Pointer$.base_581| .cse43) .cse44 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse39 (store |v_#memory_$Pointer$.offset_179| .cse30 (store (select |v_#memory_$Pointer$.offset_179| .cse30) .cse31 0))) (.cse42 (store |v_#memory_$Pointer$.base_179| .cse30 (store (select |v_#memory_$Pointer$.base_179| .cse30) .cse31 |v_ULTIMATE.start_main_#t~malloc206#1.base_6|)))) (let ((.cse25 (select (select |v_#memory_$Pointer$.base_178| |c_ULTIMATE.start_main_~user~0#1.base|) 40)) (.cse26 (+ (select (select |v_#memory_$Pointer$.offset_178| |c_ULTIMATE.start_main_~user~0#1.base|) 40) 8)) (.cse27 (select (select |v_#memory_$Pointer$.base_180| |c_ULTIMATE.start_main_~user~0#1.base|) 40)) (.cse28 (+ (select (select |v_#memory_$Pointer$.offset_180| |c_ULTIMATE.start_main_~user~0#1.base|) 40) 20)) (.cse40 (select (select .cse42 |c_ULTIMATE.start_main_~user~0#1.base|) 40)) (.cse41 (+ 40 (select (select .cse39 |c_ULTIMATE.start_main_~user~0#1.base|) 40))) (.cse34 (select (select .cse45 |c_ULTIMATE.start_main_~user~0#1.base|) 40)) (.cse35 (+ (select (select .cse38 |c_ULTIMATE.start_main_~user~0#1.base|) 40) 4))) (and (not (= |v_ULTIMATE.start_main_#t~malloc206#1.base_6| 0)) (= (store |v_#memory_$Pointer$.offset_178| .cse25 (store (select |v_#memory_$Pointer$.offset_178| .cse25) .cse26 (select (select |v_#memory_$Pointer$.offset_180| .cse25) .cse26))) |v_#memory_$Pointer$.offset_180|) (= (store |v_#memory_$Pointer$.offset_180| .cse27 (store (select |v_#memory_$Pointer$.offset_180| .cse27) .cse28 (select (select |v_#memory_$Pointer$.offset_179| .cse27) .cse28))) |v_#memory_$Pointer$.offset_179|) (= |c_#valid| (store |v_#valid_88| |v_ULTIMATE.start_main_#t~malloc206#1.base_6| 1)) (= (store |v_#memory_$Pointer$.base_178| .cse25 (store (select |v_#memory_$Pointer$.base_178| .cse25) .cse26 (select (select |v_#memory_$Pointer$.base_180| .cse25) .cse26))) |v_#memory_$Pointer$.base_180|) (= (let ((.cse29 (let ((.cse32 (let ((.cse33 (store |v_#memory_int_196| .cse34 (store (select |v_#memory_int_196| .cse34) .cse35 32)))) (store .cse33 .cse25 (store (select .cse33 .cse25) .cse26 5))))) (store .cse32 .cse27 (store (select .cse32 .cse27) .cse28 40))))) (store .cse29 .cse30 (store (select .cse29 .cse30) .cse31 (select (select |v_#memory_int_195| .cse30) .cse31)))) |v_#memory_int_195|) (= (select |v_#valid_88| |v_ULTIMATE.start_main_#t~malloc206#1.base_6|) 0) (let ((.cse36 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_44| |c_ULTIMATE.start_main_~user~0#1.base|) 40)) (.cse37 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_73| |c_ULTIMATE.start_main_~user~0#1.base|) 40))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_44| .cse36) .cse37) 0)) (not (= (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_73| .cse36) .cse37) 0)))) (= (store .cse38 .cse34 (store (select .cse38 .cse34) .cse35 (select (select |v_#memory_$Pointer$.offset_178| .cse34) .cse35))) |v_#memory_$Pointer$.offset_178|) (= |c_#length| (store |v_#length_59| |v_ULTIMATE.start_main_#t~malloc206#1.base_6| 384)) (<= (+ |v_ULTIMATE.start_main_#t~malloc206#1.base_6| 1) |c_#StackHeapBarrier|) (= (store |v_#memory_$Pointer$.base_180| .cse27 (store (select |v_#memory_$Pointer$.base_180| .cse27) .cse28 (select (select |v_#memory_$Pointer$.base_179| .cse27) .cse28))) |v_#memory_$Pointer$.base_179|) (= (store .cse39 .cse40 (store (select .cse39 .cse40) .cse41 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_73| .cse40) .cse41))) |v_#memory_$Pointer$.offset_BEFORE_CALL_73|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_44| (store .cse42 .cse40 (store (select .cse42 .cse40) .cse41 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_44| .cse40) .cse41)))) (= (store |v_#memory_int_678| .cse43 (store (select |v_#memory_int_678| .cse43) .cse44 (select (select |v_#memory_int_196| .cse43) .cse44))) |v_#memory_int_196|) (= (store .cse45 .cse34 (store (select .cse45 .cse34) .cse35 (select (select |v_#memory_$Pointer$.base_178| .cse34) .cse35))) |v_#memory_$Pointer$.base_178|)))))) .cse24)))) is different from false [2024-11-09 06:51:15,399 WARN L286 SmtUtils]: Spent 2.03m on a formula simplification that was a NOOP. DAG size: 279 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:51:25,383 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2844#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_old_#valid#1_10| (Array Int Int))) (not (= |v_ULTIMATE.start_main_old_#valid#1_10| |#valid|))) (= ~count_int_int~0 0) (= |ULTIMATE.start_main_#res#1| 0))' at error location [2024-11-09 06:51:25,383 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 06:51:25,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:51:25,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-09 06:51:25,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686624809] [2024-11-09 06:51:25,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:51:25,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:51:25,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:51:25,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:51:25,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=1398, Unknown=97, NotChecked=324, Total=1980 [2024-11-09 06:51:25,389 INFO L87 Difference]: Start difference. First operand 217 states and 268 transitions. Second operand has 7 states, 7 states have (on average 29.571428571428573) internal successors, (207), 7 states have internal predecessors, (207), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 06:51:27,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:29,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:31,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:34,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:36,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:38,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:40,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:42,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:44,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:46,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:48,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:50,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:52,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:54,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:56,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:58,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:52:00,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:52:02,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:52:04,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:52:06,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:52:08,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:52:10,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:52:12,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:52:14,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:52:16,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:52:18,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:52:20,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:52:22,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:52:24,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:52:26,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:52:28,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:52:29,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []