./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/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_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:36:31,755 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:36:31,866 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 06:36:31,876 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:36:31,878 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:36:31,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:36:31,927 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:36:31,928 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:36:31,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:36:31,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:36:31,931 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:36:31,932 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:36:31,932 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:36:31,936 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:36:31,937 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:36:31,937 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:36:31,938 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:36:31,938 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:36:31,938 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:36:31,939 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:36:31,939 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:36:31,940 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:36:31,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:36:31,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:36:31,942 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:36:31,942 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:36:31,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:36:31,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:36:31,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:36:31,946 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:36:31,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:36:31,948 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:36:31,948 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 06:36:31,949 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:36:31,950 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:36:31,950 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:36:31,950 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:36:31,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:36:31,951 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:36:31,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:36:31,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:36:31,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:36:31,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:36:31,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:36:31,953 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:36:31,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:36:31,954 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:36:31,954 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:36:31,954 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:36:31,955 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_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 [2024-11-09 06:36:32,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:36:32,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:36:32,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:36:32,378 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:36:32,379 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:36:32,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test1-1.i Unable to find full path for "g++" [2024-11-09 06:36:34,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:36:35,308 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:36:35,309 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test1-1.i [2024-11-09 06:36:35,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/data/de8293110/69c1ceba9e0b4d1c8a29e827c5ed6e81/FLAG0dfc3a5dd [2024-11-09 06:36:35,351 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/data/de8293110/69c1ceba9e0b4d1c8a29e827c5ed6e81 [2024-11-09 06:36:35,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:36:35,356 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:36:35,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:36:35,358 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:36:35,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:36:35,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:36:35" (1/1) ... [2024-11-09 06:36:35,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@511879d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:35, skipping insertion in model container [2024-11-09 06:36:35,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:36:35" (1/1) ... [2024-11-09 06:36:35,444 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:36:36,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:36:36,260 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:36:36,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:36:36,562 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:36:36,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:36 WrapperNode [2024-11-09 06:36:36,570 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:36:36,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:36:36,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:36:36,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:36:36,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:36" (1/1) ... [2024-11-09 06:36:36,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:36" (1/1) ... [2024-11-09 06:36:36,709 INFO L138 Inliner]: procedures = 176, calls = 170, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 787 [2024-11-09 06:36:36,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:36:36,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:36:36,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:36:36,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:36:36,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:36" (1/1) ... [2024-11-09 06:36:36,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:36" (1/1) ... [2024-11-09 06:36:36,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:36" (1/1) ... [2024-11-09 06:36:36,753 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:36" (1/1) ... [2024-11-09 06:36:36,791 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:36" (1/1) ... [2024-11-09 06:36:36,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:36" (1/1) ... [2024-11-09 06:36:36,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:36" (1/1) ... [2024-11-09 06:36:36,808 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:36" (1/1) ... [2024-11-09 06:36:36,815 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:36:36,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:36:36,816 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:36:36,816 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:36:36,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:36" (1/1) ... [2024-11-09 06:36:36,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:36:36,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:36:36,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:36:36,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:36:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:36:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:36:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 06:36:36,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 06:36:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:36:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:36:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:36:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:36:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:36:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:36:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:36:36,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:36:37,129 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:36:37,131 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:36:38,637 INFO L? ?]: Removed 207 outVars from TransFormulas that were not future-live. [2024-11-09 06:36:38,637 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:36:39,855 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:36:39,856 INFO L316 CfgBuilder]: Removed 27 assume(true) statements. [2024-11-09 06:36:39,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:36:39 BoogieIcfgContainer [2024-11-09 06:36:39,857 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:36:39,860 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:36:39,862 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:36:39,867 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:36:39,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:36:35" (1/3) ... [2024-11-09 06:36:39,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e6c1f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:36:39, skipping insertion in model container [2024-11-09 06:36:39,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:36:36" (2/3) ... [2024-11-09 06:36:39,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e6c1f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:36:39, skipping insertion in model container [2024-11-09 06:36:39,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:36:39" (3/3) ... [2024-11-09 06:36:39,873 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_nondet_test1-1.i [2024-11-09 06:36:39,900 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:36:39,900 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-09 06:36:40,005 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:36:40,014 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@43d13334, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:36:40,014 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-09 06:36:40,021 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 67 states have (on average 1.7164179104477613) internal successors, (115), 73 states have internal predecessors, (115), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 06:36:40,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 06:36:40,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:36:40,032 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 06:36:40,033 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 06:36:40,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:36:40,041 INFO L85 PathProgramCache]: Analyzing trace with hash 25331491, now seen corresponding path program 1 times [2024-11-09 06:36:40,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:36:40,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480733471] [2024-11-09 06:36:40,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:36:40,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:36:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:36:40,525 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 06:36:40,526 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:36:40,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480733471] [2024-11-09 06:36:40,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480733471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:36:40,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:36:40,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:36:40,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815124349] [2024-11-09 06:36:40,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:36:40,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:36:40,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:36:40,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:36:40,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:36:40,565 INFO L87 Difference]: Start difference. First operand has 78 states, 67 states have (on average 1.7164179104477613) internal successors, (115), 73 states have internal predecessors, (115), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 06:36:42,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:36:44,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:36:46,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:36:48,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:36:48,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:36:48,383 INFO L93 Difference]: Finished difference Result 165 states and 259 transitions. [2024-11-09 06:36:48,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:36:48,389 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2024-11-09 06:36:48,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:36:48,398 INFO L225 Difference]: With dead ends: 165 [2024-11-09 06:36:48,398 INFO L226 Difference]: Without dead ends: 85 [2024-11-09 06:36:48,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:36:48,406 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 10 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:36:48,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 149 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2024-11-09 06:36:48,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-09 06:36:48,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 79. [2024-11-09 06:36:48,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 69 states have (on average 1.2608695652173914) internal successors, (87), 74 states have internal predecessors, (87), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 06:36:48,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 93 transitions. [2024-11-09 06:36:48,449 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 93 transitions. Word has length 4 [2024-11-09 06:36:48,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:36:48,450 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 93 transitions. [2024-11-09 06:36:48,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 06:36:48,451 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 93 transitions. [2024-11-09 06:36:48,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 06:36:48,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:36:48,451 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 06:36:48,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:36:48,452 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 06:36:48,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:36:48,453 INFO L85 PathProgramCache]: Analyzing trace with hash 785276281, now seen corresponding path program 1 times [2024-11-09 06:36:48,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:36:48,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306663454] [2024-11-09 06:36:48,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:36:48,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:36:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:36:48,630 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 06:36:48,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:36:48,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306663454] [2024-11-09 06:36:48,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306663454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:36:48,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:36:48,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:36:48,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98564631] [2024-11-09 06:36:48,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:36:48,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:36:48,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:36:48,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:36:48,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:36:48,636 INFO L87 Difference]: Start difference. First operand 79 states and 93 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 06:36:50,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:36:52,694 WARN L539 Checker$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 06:36:54,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:36:56,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:36:57,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:36:57,122 INFO L93 Difference]: Finished difference Result 86 states and 102 transitions. [2024-11-09 06:36:57,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:36:57,132 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-11-09 06:36:57,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:36:57,133 INFO L225 Difference]: With dead ends: 86 [2024-11-09 06:36:57,133 INFO L226 Difference]: Without dead ends: 85 [2024-11-09 06:36:57,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:36:57,135 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 6 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:36:57,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 144 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2024-11-09 06:36:57,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-09 06:36:57,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 80. [2024-11-09 06:36:57,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 70 states have (on average 1.2571428571428571) internal successors, (88), 75 states have internal predecessors, (88), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 06:36:57,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 94 transitions. [2024-11-09 06:36:57,159 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 94 transitions. Word has length 5 [2024-11-09 06:36:57,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:36:57,160 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 94 transitions. [2024-11-09 06:36:57,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 06:36:57,160 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2024-11-09 06:36:57,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 06:36:57,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:36:57,160 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 06:36:57,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:36:57,161 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 06:36:57,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:36:57,170 INFO L85 PathProgramCache]: Analyzing trace with hash -747860126, now seen corresponding path program 1 times [2024-11-09 06:36:57,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:36:57,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11905243] [2024-11-09 06:36:57,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:36:57,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:36:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:36:57,205 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 06:36:57,205 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:36:57,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11905243] [2024-11-09 06:36:57,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11905243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:36:57,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:36:57,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:36:57,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364260439] [2024-11-09 06:36:57,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:36:57,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:36:57,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:36:57,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:36:57,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:36:57,209 INFO L87 Difference]: Start difference. First operand 80 states and 94 transitions. 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 06:36:59,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:01,259 WARN L539 Checker$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 06:37:03,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:05,076 WARN L539 Checker$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 06:37:07,081 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 06:37:07,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:37:07,595 INFO L93 Difference]: Finished difference Result 142 states and 166 transitions. [2024-11-09 06:37:07,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:37:07,598 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 06:37:07,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:37:07,599 INFO L225 Difference]: With dead ends: 142 [2024-11-09 06:37:07,599 INFO L226 Difference]: Without dead ends: 135 [2024-11-09 06:37:07,600 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 06:37:07,601 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 62 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:37:07,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 145 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 4 Unknown, 0 Unchecked, 10.4s Time] [2024-11-09 06:37:07,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-09 06:37:07,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 80. [2024-11-09 06:37:07,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 70 states have (on average 1.2285714285714286) internal successors, (86), 75 states have internal predecessors, (86), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 06:37:07,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 92 transitions. [2024-11-09 06:37:07,613 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 92 transitions. Word has length 6 [2024-11-09 06:37:07,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:37:07,613 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 92 transitions. [2024-11-09 06:37:07,613 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 06:37:07,614 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2024-11-09 06:37:07,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 06:37:07,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:37:07,615 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] [2024-11-09 06:37:07,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:37:07,615 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 06:37:07,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:37:07,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1000216892, now seen corresponding path program 1 times [2024-11-09 06:37:07,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:37:07,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326345188] [2024-11-09 06:37:07,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:07,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:37:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:37:08,006 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 06:37:08,008 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:37:08,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326345188] [2024-11-09 06:37:08,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326345188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:37:08,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:37:08,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:37:08,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602779603] [2024-11-09 06:37:08,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:37:08,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:37:08,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:37:08,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:37:08,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:37:08,010 INFO L87 Difference]: Start difference. First operand 80 states and 92 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 06:37:10,037 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 06:37:12,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:14,198 WARN L539 Checker$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 06:37:16,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:18,211 WARN L539 Checker$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 06:37:20,215 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 06:37:20,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:37:20,745 INFO L93 Difference]: Finished difference Result 171 states and 198 transitions. [2024-11-09 06:37:20,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:37:20,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 33 [2024-11-09 06:37:20,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:37:20,749 INFO L225 Difference]: With dead ends: 171 [2024-11-09 06:37:20,749 INFO L226 Difference]: Without dead ends: 96 [2024-11-09 06:37:20,750 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 06:37:20,751 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 6 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2024-11-09 06:37:20,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 145 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 6 Unknown, 0 Unchecked, 12.7s Time] [2024-11-09 06:37:20,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-09 06:37:20,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-09 06:37:20,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 86 states have (on average 1.2093023255813953) internal successors, (104), 91 states have internal predecessors, (104), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 06:37:20,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2024-11-09 06:37:20,762 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 33 [2024-11-09 06:37:20,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:37:20,763 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2024-11-09 06:37:20,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 06:37:20,763 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2024-11-09 06:37:20,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 06:37:20,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:37:20,765 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] [2024-11-09 06:37:20,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:37:20,766 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 06:37:20,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:37:20,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1737890390, now seen corresponding path program 1 times [2024-11-09 06:37:20,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:37:20,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660037418] [2024-11-09 06:37:20,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:20,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:37:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:37:21,203 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 06:37:21,204 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:37:21,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660037418] [2024-11-09 06:37:21,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660037418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:37:21,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:37:21,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:37:21,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801766245] [2024-11-09 06:37:21,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:37:21,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:37:21,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:37:21,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:37:21,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:37:21,208 INFO L87 Difference]: Start difference. First operand 96 states and 110 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 06:37:23,239 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 06:37:25,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:27,551 WARN L539 Checker$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 06:37:28,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:37:28,329 INFO L93 Difference]: Finished difference Result 96 states and 110 transitions. [2024-11-09 06:37:28,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:37:28,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 46 [2024-11-09 06:37:28,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:37:28,334 INFO L225 Difference]: With dead ends: 96 [2024-11-09 06:37:28,334 INFO L226 Difference]: Without dead ends: 95 [2024-11-09 06:37:28,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:37:28,335 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 30 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:37:28,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 148 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 3 Unknown, 0 Unchecked, 7.1s Time] [2024-11-09 06:37:28,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-09 06:37:28,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-09 06:37:28,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 86 states have (on average 1.197674418604651) internal successors, (103), 90 states have internal predecessors, (103), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 06:37:28,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2024-11-09 06:37:28,356 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 46 [2024-11-09 06:37:28,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:37:28,356 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2024-11-09 06:37:28,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 06:37:28,356 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2024-11-09 06:37:28,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 06:37:28,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:37:28,361 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] [2024-11-09 06:37:28,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:37:28,362 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 06:37:28,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:37:28,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1959971980, now seen corresponding path program 1 times [2024-11-09 06:37:28,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:37:28,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290992493] [2024-11-09 06:37:28,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:28,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:37:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:37:28,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 06:37:28,686 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:37:28,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290992493] [2024-11-09 06:37:28,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290992493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:37:28,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:37:28,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:37:28,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641731008] [2024-11-09 06:37:28,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:37:28,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:37:28,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:37:28,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:37:28,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:37:28,689 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 06:37:30,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:32,721 WARN L539 Checker$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 06:37:34,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:36,736 WARN L539 Checker$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 06:37:38,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:40,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:42,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:44,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:46,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:48,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:37:48,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:37:48,604 INFO L93 Difference]: Finished difference Result 135 states and 156 transitions. [2024-11-09 06:37:48,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:37:48,613 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 47 [2024-11-09 06:37:48,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:37:48,614 INFO L225 Difference]: With dead ends: 135 [2024-11-09 06:37:48,614 INFO L226 Difference]: Without dead ends: 134 [2024-11-09 06:37:48,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:37:48,616 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 24 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:37:48,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 210 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 8 Unknown, 0 Unchecked, 19.9s Time] [2024-11-09 06:37:48,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-09 06:37:48,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2024-11-09 06:37:48,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 122 states have (on average 1.1721311475409837) internal successors, (143), 126 states have internal predecessors, (143), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 06:37:48,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 155 transitions. [2024-11-09 06:37:48,635 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 155 transitions. Word has length 47 [2024-11-09 06:37:48,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:37:48,635 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 155 transitions. [2024-11-09 06:37:48,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 06:37:48,636 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 155 transitions. [2024-11-09 06:37:48,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 06:37:48,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:37:48,638 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:37:48,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:37:48,638 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 06:37:48,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:37:48,639 INFO L85 PathProgramCache]: Analyzing trace with hash 555201663, now seen corresponding path program 1 times [2024-11-09 06:37:48,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:37:48,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754727697] [2024-11-09 06:37:48,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:48,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:37:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:37:49,809 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 06:37:49,810 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:37:49,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754727697] [2024-11-09 06:37:49,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754727697] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:37:49,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261902075] [2024-11-09 06:37:49,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:49,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:37:49,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:37:49,814 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:37:49,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:37:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:37:50,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 06:37:50,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:37:50,462 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 06:37:50,462 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:37:50,664 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 06:37:50,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261902075] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:37:50,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1319841325] [2024-11-09 06:37:50,691 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2024-11-09 06:37:50,692 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:37:50,697 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:37:50,704 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:37:50,705 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:37:57,204 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 204 for LOIs [2024-11-09 06:37:57,398 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:38:25,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1319841325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:38:25,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:38:25,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [5, 5, 5] total 26 [2024-11-09 06:38:25,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000017052] [2024-11-09 06:38:25,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:38:25,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 06:38:25,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:38:25,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 06:38:25,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=516, Unknown=10, NotChecked=0, Total=650 [2024-11-09 06:38:25,292 INFO L87 Difference]: Start difference. First operand 134 states and 155 transitions. Second operand has 15 states, 14 states have (on average 3.0) internal successors, (42), 13 states have internal predecessors, (42), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:38:27,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:38:29,613 WARN L539 Checker$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 06:38:31,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:38:34,014 WARN L539 Checker$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 06:38:36,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:38:38,408 WARN L539 Checker$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 06:38:40,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:38:42,968 WARN L539 Checker$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 06:38:45,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:38:47,042 WARN L539 Checker$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 06:38:49,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:38:51,058 WARN L539 Checker$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 06:38:53,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:38:55,068 WARN L539 Checker$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 06:38:57,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:38:59,082 WARN L539 Checker$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 06:39:01,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:03,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:04,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:06,713 WARN L539 Checker$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 06:39:08,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:11,086 WARN L539 Checker$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 06:39:13,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:15,292 WARN L539 Checker$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 06:39:19,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:27,658 WARN L539 Checker$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 06:39:31,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:33,874 WARN L539 Checker$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 06:39:35,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:37,892 WARN L539 Checker$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 06:39:39,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:45,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:39:47,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 06:39:49,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 06:39:53,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:39:53,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:39:53,359 INFO L93 Difference]: Finished difference Result 258 states and 301 transitions. [2024-11-09 06:39:53,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:39:53,368 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.0) internal successors, (42), 13 states have internal predecessors, (42), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2024-11-09 06:39:53,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:39:53,369 INFO L225 Difference]: With dead ends: 258 [2024-11-09 06:39:53,369 INFO L226 Difference]: Without dead ends: 132 [2024-11-09 06:39:53,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 128 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 28.3s TimeCoverageRelationStatistics Valid=129, Invalid=562, Unknown=11, NotChecked=0, Total=702 [2024-11-09 06:39:53,371 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 7 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 1 mSolverCounterUnsat, 31 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 31 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 87.7s IncrementalHoareTripleChecker+Time [2024-11-09 06:39:53,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 459 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 426 Invalid, 31 Unknown, 0 Unchecked, 87.7s Time] [2024-11-09 06:39:53,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-09 06:39:53,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-11-09 06:39:53,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 120 states have (on average 1.1583333333333334) internal successors, (139), 123 states have internal predecessors, (139), 6 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 06:39:53,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 151 transitions. [2024-11-09 06:39:53,402 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 151 transitions. Word has length 50 [2024-11-09 06:39:53,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:39:53,402 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 151 transitions. [2024-11-09 06:39:53,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.0) internal successors, (42), 13 states have internal predecessors, (42), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:39:53,402 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 151 transitions. [2024-11-09 06:39:53,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 06:39:53,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:39:53,404 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:39:53,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 06:39:53,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:39:53,605 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 06:39:53,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:39:53,605 INFO L85 PathProgramCache]: Analyzing trace with hash 521343133, now seen corresponding path program 1 times [2024-11-09 06:39:53,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:39:53,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225565460] [2024-11-09 06:39:53,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:39:53,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:39:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:39:54,713 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 06:39:54,714 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:39:54,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225565460] [2024-11-09 06:39:54,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225565460] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:39:54,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917242817] [2024-11-09 06:39:54,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:39:54,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:39:54,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:39:54,717 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:39:54,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 06:39:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:39:55,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 06:39:55,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:39:55,430 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 06:39:55,430 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:39:55,807 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 06:39:55,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917242817] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:39:55,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1802578577] [2024-11-09 06:39:55,811 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2024-11-09 06:39:55,811 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:39:55,812 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:39:55,812 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:39:55,812 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:40:32,174 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 204 for LOIs [2024-11-09 06:40:32,714 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:41:24,482 WARN L286 SmtUtils]: Spent 37.34s on a formula simplification. DAG size of input: 204 DAG size of output: 204 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:41:42,485 WARN L286 SmtUtils]: Spent 13.15s on a formula simplification that was a NOOP. DAG size: 176 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:41:55,735 WARN L286 SmtUtils]: Spent 8.56s on a formula simplification that was a NOOP. DAG size: 181 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:43:16,689 WARN L286 SmtUtils]: Spent 26.12s on a formula simplification that was a NOOP. DAG size: 214 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:43:18,702 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (let ((.cse21 (exists ((|v_#Ultimate.C_memset_#t~loopctr160_27| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr160_27|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr160_27| 4294967296)))))) (or (and (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_#valid_52| (Array Int Int)) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_#length_40| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_17| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| (Array Int (Array Int Int))) (|v_#memory_int_102| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_321| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_321| (Array Int (Array Int Int))) (|v_#memory_int_362| (Array Int (Array Int Int)))) (let ((.cse8 (select (select |v_#memory_$Pointer$.base_321| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse9 (+ (select (select |v_#memory_$Pointer$.offset_321| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 16)) (.cse13 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse14 (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse20 (store |v_#memory_$Pointer$.offset_95| .cse13 (store (select |v_#memory_$Pointer$.offset_95| .cse13) .cse14 0))) (.cse5 (store |v_#memory_$Pointer$.base_96| .cse13 (store (select |v_#memory_$Pointer$.base_96| .cse13) .cse14 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|))) (.cse2 (store |v_#memory_$Pointer$.offset_321| .cse8 (store (select |v_#memory_$Pointer$.offset_321| .cse8) .cse9 8))) (.cse19 (store |v_#memory_$Pointer$.base_321| .cse8 (store (select |v_#memory_$Pointer$.base_321| .cse8) .cse9 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse10 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse11 (+ (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse3 (select (select .cse19 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse4 (+ (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse6 (select (select .cse5 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse7 (+ (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 40)) (.cse17 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse18 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8))) (and (let ((.cse0 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse1 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| .cse0) .cse1) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| .cse0) .cse1) 0)))) (= (store .cse2 .cse3 (store (select .cse2 .cse3) .cse4 (select (select |v_#memory_$Pointer$.offset_97| .cse3) .cse4))) |v_#memory_$Pointer$.offset_97|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| (store .cse5 .cse6 (store (select .cse5 .cse6) .cse7 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| .cse6) .cse7)))) (= (store |v_#memory_int_362| .cse8 (store (select |v_#memory_int_362| .cse8) .cse9 (select (select |v_#memory_int_102| .cse8) .cse9))) |v_#memory_int_102|) (= (store |v_#memory_$Pointer$.offset_96| .cse10 (store (select |v_#memory_$Pointer$.offset_96| .cse10) .cse11 (select (select |v_#memory_$Pointer$.offset_95| .cse10) .cse11))) |v_#memory_$Pointer$.offset_95|) (= (let ((.cse12 (let ((.cse15 (let ((.cse16 (store |v_#memory_int_102| .cse3 (store (select |v_#memory_int_102| .cse3) .cse4 32)))) (store .cse16 .cse17 (store (select .cse16 .cse17) .cse18 5))))) (store .cse15 .cse10 (store (select .cse15 .cse10) .cse11 8))))) (store .cse12 .cse13 (store (select .cse12 .cse13) .cse14 (select (select |v_#memory_int_103| .cse13) .cse14)))) |v_#memory_int_103|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (= (store |v_#length_40| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384) |c_#length|) (= (store |v_#memory_$Pointer$.base_97| .cse10 (store (select |v_#memory_$Pointer$.base_97| .cse10) .cse11 (select (select |v_#memory_$Pointer$.base_96| .cse10) .cse11))) |v_#memory_$Pointer$.base_96|) (= (store .cse19 .cse3 (store (select .cse19 .cse3) .cse4 (select (select |v_#memory_$Pointer$.base_95| .cse3) .cse4))) |v_#memory_$Pointer$.base_95|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| (store .cse20 .cse6 (store (select .cse20 .cse6) .cse7 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| .cse6) .cse7)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= (store |v_#memory_$Pointer$.offset_97| .cse17 (store (select |v_#memory_$Pointer$.offset_97| .cse17) .cse18 (select (select |v_#memory_$Pointer$.offset_96| .cse17) .cse18))) |v_#memory_$Pointer$.offset_96|) (= (store |v_#memory_$Pointer$.base_95| .cse17 (store (select |v_#memory_$Pointer$.base_95| .cse17) .cse18 (select (select |v_#memory_$Pointer$.base_97| .cse17) .cse18))) |v_#memory_$Pointer$.base_97|) (= |c_#valid| (store |v_#valid_52| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= (select |v_#valid_52| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|) 0)))))) .cse21) (and (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_#valid_52| (Array Int Int)) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_18| (Array Int (Array Int Int))) (|v_#length_40| (Array Int Int)) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_#memory_int_102| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_321| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_321| (Array Int (Array Int Int))) (|v_#memory_int_362| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| (Array Int (Array Int Int)))) (let ((.cse25 (select (select |v_#memory_$Pointer$.base_321| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse26 (+ (select (select |v_#memory_$Pointer$.offset_321| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 16)) (.cse30 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse31 (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse39 (store |v_#memory_$Pointer$.offset_95| .cse30 (store (select |v_#memory_$Pointer$.offset_95| .cse30) .cse31 0))) (.cse42 (store |v_#memory_$Pointer$.base_96| .cse30 (store (select |v_#memory_$Pointer$.base_96| .cse30) .cse31 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|))) (.cse22 (store |v_#memory_$Pointer$.offset_321| .cse25 (store (select |v_#memory_$Pointer$.offset_321| .cse25) .cse26 8))) (.cse38 (store |v_#memory_$Pointer$.base_321| .cse25 (store (select |v_#memory_$Pointer$.base_321| .cse25) .cse26 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse27 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse28 (+ (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse23 (select (select .cse38 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse24 (+ (select (select .cse22 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse40 (select (select .cse42 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse41 (+ (select (select .cse39 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 40)) (.cse34 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse35 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8))) (and (= (store .cse22 .cse23 (store (select .cse22 .cse23) .cse24 (select (select |v_#memory_$Pointer$.offset_97| .cse23) .cse24))) |v_#memory_$Pointer$.offset_97|) (= (store |v_#memory_int_362| .cse25 (store (select |v_#memory_int_362| .cse25) .cse26 (select (select |v_#memory_int_102| .cse25) .cse26))) |v_#memory_int_102|) (= (store |v_#memory_$Pointer$.offset_96| .cse27 (store (select |v_#memory_$Pointer$.offset_96| .cse27) .cse28 (select (select |v_#memory_$Pointer$.offset_95| .cse27) .cse28))) |v_#memory_$Pointer$.offset_95|) (= (let ((.cse29 (let ((.cse32 (let ((.cse33 (store |v_#memory_int_102| .cse23 (store (select |v_#memory_int_102| .cse23) .cse24 32)))) (store .cse33 .cse34 (store (select .cse33 .cse34) .cse35 5))))) (store .cse32 .cse27 (store (select .cse32 .cse27) .cse28 8))))) (store .cse29 .cse30 (store (select .cse29 .cse30) .cse31 (select (select |v_#memory_int_103| .cse30) .cse31)))) |v_#memory_int_103|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (let ((.cse36 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse37 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| .cse36) .cse37) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| .cse36) .cse37) 0)))) (= (store |v_#length_40| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384) |c_#length|) (= (store |v_#memory_$Pointer$.base_97| .cse27 (store (select |v_#memory_$Pointer$.base_97| .cse27) .cse28 (select (select |v_#memory_$Pointer$.base_96| .cse27) .cse28))) |v_#memory_$Pointer$.base_96|) (= (store .cse38 .cse23 (store (select .cse38 .cse23) .cse24 (select (select |v_#memory_$Pointer$.base_95| .cse23) .cse24))) |v_#memory_$Pointer$.base_95|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| (store .cse39 .cse40 (store (select .cse39 .cse40) .cse41 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| .cse40) .cse41)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| (store .cse42 .cse40 (store (select .cse42 .cse40) .cse41 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| .cse40) .cse41)))) (= (store |v_#memory_$Pointer$.offset_97| .cse34 (store (select |v_#memory_$Pointer$.offset_97| .cse34) .cse35 (select (select |v_#memory_$Pointer$.offset_96| .cse34) .cse35))) |v_#memory_$Pointer$.offset_96|) (= (store |v_#memory_$Pointer$.base_95| .cse34 (store (select |v_#memory_$Pointer$.base_95| .cse34) .cse35 (select (select |v_#memory_$Pointer$.base_97| .cse34) .cse35))) |v_#memory_$Pointer$.base_97|) (= |c_#valid| (store |v_#valid_52| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= (select |v_#valid_52| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|) 0)))))) .cse21))) (<= 1 |c_#StackHeapBarrier|) (<= 0 |c_ULTIMATE.start_main_~i~0#1|)) is different from false [2024-11-09 06:44:37,085 WARN L286 SmtUtils]: Spent 31.68s on a formula simplification that was a NOOP. DAG size: 212 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:46:59,951 WARN L286 SmtUtils]: Spent 1.21m on a formula simplification that was a NOOP. DAG size: 244 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:49:57,996 WARN L286 SmtUtils]: Spent 1.86m on a formula simplification that was a NOOP. DAG size: 275 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:50:05,336 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3051#(exists ((|v_ULTIMATE.start_main_#t~mem6#1_31| Int) (|v_ULTIMATE.start_main_~sum~0#1_39| Int)) (and (<= (select (select |#memory_int| |ULTIMATE.start_main_~user~0#1.base|) 4) 32767) (exists ((|v_#memory_$Pointer$.offset_324| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_100| (Array Int (Array Int Int)))) (and (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_100| |ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.offset_100| |ULTIMATE.start_main_~user~0#1.base|) 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~user~0#1.base|) 4)))) (= (store |v_#memory_$Pointer$.offset_324| |ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.offset_324| |ULTIMATE.start_main_~user~0#1.base|) 0 (select (select |v_#memory_$Pointer$.offset_100| |ULTIMATE.start_main_~user~0#1.base|) 0))) |v_#memory_$Pointer$.offset_100|))) (<= (+ |ULTIMATE.start_main_~user~0#1.base| 1) |#StackHeapBarrier|) (exists ((|v_#valid_53| (Array Int Int)) (|v_#length_41| (Array Int Int)) (|v_#memory_int_365| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_~user~0#1.offset_92| Int)) (and (= (store |v_#length_41| |ULTIMATE.start_main_~user~0#1.base| 40) |#length|) (<= 1 |#StackHeapBarrier|) (= (select |v_#valid_53| |ULTIMATE.start_main_~user~0#1.base|) 0) (<= 1 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |v_ULTIMATE.start_main_~user~0#1.offset_92| 0) (= (store |v_#valid_53| |ULTIMATE.start_main_~user~0#1.base| 1) |#valid|) (= (store |v_#memory_int_365| |ULTIMATE.start_main_~user~0#1.base| (store (store (select |v_#memory_int_365| |ULTIMATE.start_main_~user~0#1.base|) 0 |ULTIMATE.start_main_~i~0#1|) 4 (select (select |#memory_int| |ULTIMATE.start_main_~user~0#1.base|) 4))) |#memory_int|))) (not (= |ULTIMATE.start_main_~user~0#1.base| 0)) (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_main_~user~0#1.base|) 4) 32768)) (exists ((|v_#memory_$Pointer$.base_324| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_100| (Array Int (Array Int Int)))) (and (= |v_#memory_$Pointer$.base_100| (store |v_#memory_$Pointer$.base_324| |ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.base_324| |ULTIMATE.start_main_~user~0#1.base|) 0 (select (select |v_#memory_$Pointer$.base_100| |ULTIMATE.start_main_~user~0#1.base|) 0)))) (= (store |v_#memory_$Pointer$.base_100| |ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.base_100| |ULTIMATE.start_main_~user~0#1.base|) 4 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~user~0#1.base|) 4))) |#memory_$Pointer$.base|))) (= |ULTIMATE.start_main_~user~0#1.offset| 0) (<= (+ 2147483649 |v_ULTIMATE.start_main_#t~mem6#1_31| |v_ULTIMATE.start_main_~sum~0#1_39|) 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~user~0#1.base|) 4) |v_ULTIMATE.start_main_#t~mem6#1_31|) (<= |ULTIMATE.start_main_~i~0#1| 9)))' at error location [2024-11-09 06:50:05,336 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 06:50:05,336 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:50:05,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-09 06:50:05,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478482941] [2024-11-09 06:50:05,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:50:05,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:50:05,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:50:05,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:50:05,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1237, Unknown=96, NotChecked=74, Total=1560 [2024-11-09 06:50:05,340 INFO L87 Difference]: Start difference. First operand 132 states and 151 transitions. Second operand has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 13 states have internal predecessors, (94), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 06:50:06,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:50:10,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:50:12,052 WARN L539 Checker$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 06:50:14,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:50:16,062 WARN L539 Checker$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 06:50:18,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:50:20,069 WARN L539 Checker$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 06:50:22,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:50:24,082 WARN L539 Checker$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 06:50:26,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:50:28,095 WARN L539 Checker$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 06:50:34,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:50:36,402 WARN L539 Checker$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 06:50:37,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:50:43,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:50:45,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:50:49,509 WARN L539 Checker$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 06:50:51,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:50:52,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:50:54,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 06:50:56,517 WARN L539 Checker$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 06:50:56,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:50:56,535 INFO L93 Difference]: Finished difference Result 276 states and 332 transitions. [2024-11-09 06:50:56,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 06:50:56,536 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 13 states have internal predecessors, (94), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2024-11-09 06:50:56,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:50:56,539 INFO L225 Difference]: With dead ends: 276 [2024-11-09 06:50:56,540 INFO L226 Difference]: Without dead ends: 275 [2024-11-09 06:50:56,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 117 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 648 ImplicationChecksByTransitivity, 581.2s TimeCoverageRelationStatistics Valid=170, Invalid=1374, Unknown=100, NotChecked=78, Total=1722 [2024-11-09 06:50:56,542 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 155 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 2 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:50:56,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 453 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 144 Invalid, 15 Unknown, 0 Unchecked, 42.8s Time] [2024-11-09 06:50:56,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-09 06:50:56,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 257. [2024-11-09 06:50:56,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 239 states have (on average 1.1799163179916319) internal successors, (282), 242 states have internal predecessors, (282), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 06:50:56,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 306 transitions. [2024-11-09 06:50:56,574 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 306 transitions. Word has length 51 [2024-11-09 06:50:56,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:50:56,575 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 306 transitions. [2024-11-09 06:50:56,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 13 states have internal predecessors, (94), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 06:50:56,575 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 306 transitions. [2024-11-09 06:50:56,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 06:50:56,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:50:56,577 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:50:56,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 06:50:56,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:50:56,778 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 06:50:56,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:56,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1018232001, now seen corresponding path program 1 times [2024-11-09 06:50:56,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:50:56,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499838757] [2024-11-09 06:50:56,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:56,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:50:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:50:57,821 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 06:50:57,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:50:57,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499838757] [2024-11-09 06:50:57,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499838757] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:50:57,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503790650] [2024-11-09 06:50:57,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:57,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:50:57,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:50:57,827 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:50:57,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37547a6-da71-49f8-b5c6-3dae4c1e7cbf/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 06:50:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:50:58,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 06:50:58,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:50:58,804 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 06:50:58,804 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:50:59,278 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 06:50:59,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503790650] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:50:59,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [98285564] [2024-11-09 06:50:59,285 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2024-11-09 06:50:59,285 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:50:59,286 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:50:59,286 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:50:59,286 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:51:32,626 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 390 for LOIs [2024-11-09 06:51:40,878 INFO L180 IcfgInterpreter]: Interpretation finished