./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_11_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX --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 64bit --witnessprinter.graph.data.programhash cfdfbe6a50a862946c25117250d321c1471b6426f342730318551b622594472a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:54:31,369 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:54:31,462 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-12 00:54:31,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:54:31,468 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:54:31,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:54:31,496 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:54:31,497 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:54:31,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:54:31,499 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:54:31,499 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:54:31,500 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:54:31,501 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:54:31,501 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:54:31,502 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:54:31,503 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:54:31,503 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:54:31,504 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:54:31,505 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:54:31,505 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:54:31,506 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:54:31,507 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:54:31,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:54:31,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:54:31,509 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:54:31,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:54:31,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:54:31,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:54:31,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:54:31,512 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:54:31,512 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:54:31,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:54:31,513 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:54:31,513 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:54:31,514 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:54:31,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:54:31,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:54:31,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:54:31,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:54:31,516 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:54:31,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:54:31,516 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:54:31,517 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:54:31,517 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:54:31,517 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_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfdfbe6a50a862946c25117250d321c1471b6426f342730318551b622594472a [2023-11-12 00:54:31,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:54:31,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:54:31,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:54:31,927 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:54:31,927 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:54:31,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_11_good.i [2023-11-12 00:54:35,174 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:54:35,634 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:54:35,635 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_11_good.i [2023-11-12 00:54:35,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/data/e76908c5a/839e437bc6e34df98b6870a0bc64278e/FLAG2affd4047 [2023-11-12 00:54:35,729 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/data/e76908c5a/839e437bc6e34df98b6870a0bc64278e [2023-11-12 00:54:35,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:54:35,738 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:54:35,743 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:35,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:54:35,749 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:54:35,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:35" (1/1) ... [2023-11-12 00:54:35,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41fda08a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:35, skipping insertion in model container [2023-11-12 00:54:35,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:35" (1/1) ... [2023-11-12 00:54:35,856 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:54:36,295 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:54:36,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:54:36,875 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:54:36,915 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:54:37,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:54:37,195 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:54:37,195 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:54:37,195 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:54:37,196 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:54:37,196 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:54:37,204 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:54:37,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:37 WrapperNode [2023-11-12 00:54:37,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:37,206 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:54:37,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:54:37,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:54:37,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:37" (1/1) ... [2023-11-12 00:54:37,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:37" (1/1) ... [2023-11-12 00:54:37,294 INFO L138 Inliner]: procedures = 503, calls = 79, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 124 [2023-11-12 00:54:37,295 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:54:37,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:54:37,296 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:54:37,296 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:54:37,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:37" (1/1) ... [2023-11-12 00:54:37,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:37" (1/1) ... [2023-11-12 00:54:37,311 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:37" (1/1) ... [2023-11-12 00:54:37,312 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:37" (1/1) ... [2023-11-12 00:54:37,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:37" (1/1) ... [2023-11-12 00:54:37,321 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:37" (1/1) ... [2023-11-12 00:54:37,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:37" (1/1) ... [2023-11-12 00:54:37,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:37" (1/1) ... [2023-11-12 00:54:37,340 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:54:37,341 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:54:37,341 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:54:37,342 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:54:37,342 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:37" (1/1) ... [2023-11-12 00:54:37,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:54:37,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:54:37,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:54:37,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:54:37,437 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-12 00:54:37,437 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-12 00:54:37,438 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 00:54:37,438 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 00:54:37,438 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2023-11-12 00:54:37,438 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2023-11-12 00:54:37,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:54:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:54:37,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:54:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2023-11-12 00:54:37,439 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2023-11-12 00:54:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 00:54:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:54:37,593 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:54:37,595 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:54:37,809 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:54:37,876 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:54:37,883 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:54:37,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:37 BoogieIcfgContainer [2023-11-12 00:54:37,886 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:54:37,891 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:54:37,891 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:54:37,894 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:54:37,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:54:35" (1/3) ... [2023-11-12 00:54:37,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6b78a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:37, skipping insertion in model container [2023-11-12 00:54:37,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:37" (2/3) ... [2023-11-12 00:54:37,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6b78a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:37, skipping insertion in model container [2023-11-12 00:54:37,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:37" (3/3) ... [2023-11-12 00:54:37,901 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_postinc_11_good.i [2023-11-12 00:54:37,923 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:54:37,923 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-12 00:54:37,974 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:54:37,981 INFO L357 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, mHoare=true, 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;@2b8883b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:54:37,982 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-12 00:54:37,986 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 38 states have (on average 1.394736842105263) internal successors, (53), 50 states have internal predecessors, (53), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-12 00:54:37,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:54:37,995 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:37,996 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:54:37,997 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 00:54:38,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:38,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1240176725, now seen corresponding path program 1 times [2023-11-12 00:54:38,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:38,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031607070] [2023-11-12 00:54:38,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:38,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:38,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:54:38,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:54:38,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031607070] [2023-11-12 00:54:38,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031607070] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:38,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:54:38,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:54:38,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409962066] [2023-11-12 00:54:38,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:38,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:54:38,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:54:38,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:54:38,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:54:38,675 INFO L87 Difference]: Start difference. First operand has 69 states, 38 states have (on average 1.394736842105263) internal successors, (53), 50 states have internal predecessors, (53), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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) [2023-11-12 00:54:38,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:38,857 INFO L93 Difference]: Finished difference Result 69 states and 89 transitions. [2023-11-12 00:54:38,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 00:54:38,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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) Word has length 16 [2023-11-12 00:54:38,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:38,875 INFO L225 Difference]: With dead ends: 69 [2023-11-12 00:54:38,875 INFO L226 Difference]: Without dead ends: 62 [2023-11-12 00:54:38,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-12 00:54:38,882 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 8 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:38,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 210 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:54:38,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-12 00:54:38,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-12 00:54:38,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 45 states have internal predecessors, (47), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-12 00:54:38,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 79 transitions. [2023-11-12 00:54:38,935 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 79 transitions. Word has length 16 [2023-11-12 00:54:38,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:38,937 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 79 transitions. [2023-11-12 00:54:38,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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) [2023-11-12 00:54:38,938 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2023-11-12 00:54:38,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:54:38,939 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:38,940 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:54:38,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:54:38,940 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 00:54:38,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:38,941 INFO L85 PathProgramCache]: Analyzing trace with hash -209227120, now seen corresponding path program 1 times [2023-11-12 00:54:38,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:38,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120719314] [2023-11-12 00:54:38,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:38,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:39,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:54:39,062 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:54:39,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120719314] [2023-11-12 00:54:39,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120719314] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:39,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:54:39,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:54:39,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644973309] [2023-11-12 00:54:39,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:39,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:54:39,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:54:39,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:54:39,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:54:39,067 INFO L87 Difference]: Start difference. First operand 62 states and 79 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-12 00:54:39,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:39,109 INFO L93 Difference]: Finished difference Result 62 states and 79 transitions. [2023-11-12 00:54:39,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:54:39,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 17 [2023-11-12 00:54:39,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:39,112 INFO L225 Difference]: With dead ends: 62 [2023-11-12 00:54:39,112 INFO L226 Difference]: Without dead ends: 61 [2023-11-12 00:54:39,113 INFO L412 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 [2023-11-12 00:54:39,115 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:39,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:54:39,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-12 00:54:39,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-12 00:54:39,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 44 states have internal predecessors, (46), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-12 00:54:39,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 78 transitions. [2023-11-12 00:54:39,133 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 78 transitions. Word has length 17 [2023-11-12 00:54:39,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:39,134 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 78 transitions. [2023-11-12 00:54:39,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-12 00:54:39,135 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2023-11-12 00:54:39,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-12 00:54:39,136 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:39,137 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-11-12 00:54:39,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:54:39,137 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 00:54:39,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:39,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1628091242, now seen corresponding path program 1 times [2023-11-12 00:54:39,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:39,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229541601] [2023-11-12 00:54:39,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:39,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:39,251 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-12 00:54:39,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:54:39,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229541601] [2023-11-12 00:54:39,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229541601] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:39,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:54:39,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:54:39,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027986196] [2023-11-12 00:54:39,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:39,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:54:39,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:54:39,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:54:39,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:54:39,262 INFO L87 Difference]: Start difference. First operand 61 states and 78 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-12 00:54:39,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:39,325 INFO L93 Difference]: Finished difference Result 107 states and 133 transitions. [2023-11-12 00:54:39,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:54:39,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 29 [2023-11-12 00:54:39,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:39,333 INFO L225 Difference]: With dead ends: 107 [2023-11-12 00:54:39,334 INFO L226 Difference]: Without dead ends: 60 [2023-11-12 00:54:39,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:54:39,338 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 0 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:39,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 192 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:54:39,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-12 00:54:39,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-12 00:54:39,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 43 states have internal predecessors, (45), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-12 00:54:39,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2023-11-12 00:54:39,364 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 29 [2023-11-12 00:54:39,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:39,364 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions. [2023-11-12 00:54:39,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-12 00:54:39,365 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2023-11-12 00:54:39,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-12 00:54:39,367 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:39,367 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-11-12 00:54:39,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:54:39,368 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 00:54:39,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:39,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1301646100, now seen corresponding path program 1 times [2023-11-12 00:54:39,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:39,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298069877] [2023-11-12 00:54:39,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:39,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:39,605 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:54:39,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:54:39,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298069877] [2023-11-12 00:54:39,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298069877] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:54:39,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50596854] [2023-11-12 00:54:39,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:39,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:54:39,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:54:39,614 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:54:39,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:54:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:39,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:54:39,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:54:39,849 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:54:39,849 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:54:39,962 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:54:39,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50596854] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:54:39,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [864770792] [2023-11-12 00:54:39,987 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2023-11-12 00:54:39,988 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:54:39,996 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:54:40,003 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:54:40,004 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:54:42,104 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsTrue with input of size 69 for LOIs [2023-11-12 00:54:42,119 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsFalse with input of size 69 for LOIs [2023-11-12 00:54:42,134 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 80 for LOIs [2023-11-12 00:54:42,230 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:54:45,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [864770792] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:45,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:54:45,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [5, 5, 5] total 24 [2023-11-12 00:54:45,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146935919] [2023-11-12 00:54:45,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:45,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-12 00:54:45,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:54:45,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-12 00:54:45,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=467, Unknown=0, NotChecked=0, Total=552 [2023-11-12 00:54:45,247 INFO L87 Difference]: Start difference. First operand 60 states and 75 transitions. Second operand has 16 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 5 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-12 00:54:45,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:45,992 INFO L93 Difference]: Finished difference Result 102 states and 124 transitions. [2023-11-12 00:54:45,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-12 00:54:45,994 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 5 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) Word has length 30 [2023-11-12 00:54:45,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:45,995 INFO L225 Difference]: With dead ends: 102 [2023-11-12 00:54:45,995 INFO L226 Difference]: Without dead ends: 52 [2023-11-12 00:54:45,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=85, Invalid=467, Unknown=0, NotChecked=0, Total=552 [2023-11-12 00:54:45,997 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 46 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:45,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 237 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-12 00:54:45,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-12 00:54:46,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-12 00:54:46,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 34 states have internal predecessors, (35), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-12 00:54:46,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 61 transitions. [2023-11-12 00:54:46,045 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 61 transitions. Word has length 30 [2023-11-12 00:54:46,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:46,046 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 61 transitions. [2023-11-12 00:54:46,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 5 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-12 00:54:46,047 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2023-11-12 00:54:46,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-12 00:54:46,048 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:46,049 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 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] [2023-11-12 00:54:46,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:54:46,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:54:46,255 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 00:54:46,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:46,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1765192773, now seen corresponding path program 1 times [2023-11-12 00:54:46,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:46,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465586000] [2023-11-12 00:54:46,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:46,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:46,346 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-12 00:54:46,346 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:54:46,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465586000] [2023-11-12 00:54:46,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465586000] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:46,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:54:46,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:54:46,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413544474] [2023-11-12 00:54:46,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:46,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:54:46,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:54:46,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:54:46,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:54:46,354 INFO L87 Difference]: Start difference. First operand 52 states and 61 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-12 00:54:46,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:46,423 INFO L93 Difference]: Finished difference Result 60 states and 71 transitions. [2023-11-12 00:54:46,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:54:46,424 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 44 [2023-11-12 00:54:46,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:46,427 INFO L225 Difference]: With dead ends: 60 [2023-11-12 00:54:46,428 INFO L226 Difference]: Without dead ends: 58 [2023-11-12 00:54:46,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:54:46,430 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 4 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:46,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 141 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:54:46,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-12 00:54:46,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2023-11-12 00:54:46,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 37 states have internal predecessors, (40), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-12 00:54:46,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2023-11-12 00:54:46,479 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 68 transitions. Word has length 44 [2023-11-12 00:54:46,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:46,482 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 68 transitions. [2023-11-12 00:54:46,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-12 00:54:46,482 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2023-11-12 00:54:46,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-12 00:54:46,490 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:46,491 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2023-11-12 00:54:46,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 00:54:46,492 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 00:54:46,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:46,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1482928717, now seen corresponding path program 1 times [2023-11-12 00:54:46,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:46,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314927965] [2023-11-12 00:54:46,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:46,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:46,625 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-12 00:54:46,625 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:54:46,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314927965] [2023-11-12 00:54:46,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314927965] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:46,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:54:46,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:54:46,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723058403] [2023-11-12 00:54:46,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:46,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:54:46,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:54:46,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:54:46,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:54:46,638 INFO L87 Difference]: Start difference. First operand 57 states and 68 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-12 00:54:46,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:46,700 INFO L93 Difference]: Finished difference Result 75 states and 85 transitions. [2023-11-12 00:54:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:54:46,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 47 [2023-11-12 00:54:46,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:46,703 INFO L225 Difference]: With dead ends: 75 [2023-11-12 00:54:46,703 INFO L226 Difference]: Without dead ends: 49 [2023-11-12 00:54:46,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:54:46,705 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:46,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:54:46,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-12 00:54:46,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-12 00:54:46,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 30 states have (on average 1.0666666666666667) internal successors, (32), 31 states have internal predecessors, (32), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-12 00:54:46,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 56 transitions. [2023-11-12 00:54:46,739 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 56 transitions. Word has length 47 [2023-11-12 00:54:46,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:46,740 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 56 transitions. [2023-11-12 00:54:46,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-12 00:54:46,740 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2023-11-12 00:54:46,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-12 00:54:46,745 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:46,745 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 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] [2023-11-12 00:54:46,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 00:54:46,746 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 00:54:46,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:46,746 INFO L85 PathProgramCache]: Analyzing trace with hash 963364942, now seen corresponding path program 1 times [2023-11-12 00:54:46,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:46,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807381889] [2023-11-12 00:54:46,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:46,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:46,866 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-12 00:54:46,866 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:54:46,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807381889] [2023-11-12 00:54:46,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807381889] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:54:46,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540659935] [2023-11-12 00:54:46,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:46,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:54:46,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:54:46,868 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:54:46,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 00:54:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:46,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:54:46,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:54:46,996 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-12 00:54:46,996 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:54:46,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540659935] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:46,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:54:46,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2023-11-12 00:54:46,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10606371] [2023-11-12 00:54:46,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:46,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:54:46,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:54:46,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:54:46,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 00:54:46,999 INFO L87 Difference]: Start difference. First operand 49 states and 56 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-12 00:54:47,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:47,046 INFO L93 Difference]: Finished difference Result 61 states and 68 transitions. [2023-11-12 00:54:47,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:54:47,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 54 [2023-11-12 00:54:47,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:47,048 INFO L225 Difference]: With dead ends: 61 [2023-11-12 00:54:47,048 INFO L226 Difference]: Without dead ends: 49 [2023-11-12 00:54:47,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 00:54:47,049 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:47,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:54:47,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-12 00:54:47,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-12 00:54:47,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 30 states have (on average 1.0333333333333334) internal successors, (31), 31 states have internal predecessors, (31), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-12 00:54:47,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2023-11-12 00:54:47,078 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 54 [2023-11-12 00:54:47,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:47,079 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2023-11-12 00:54:47,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-12 00:54:47,079 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2023-11-12 00:54:47,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-12 00:54:47,081 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:47,081 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:54:47,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:54:47,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-12 00:54:47,287 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 00:54:47,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:47,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1820466249, now seen corresponding path program 1 times [2023-11-12 00:54:47,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:47,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158626067] [2023-11-12 00:54:47,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:47,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:47,484 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-12 00:54:47,484 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:54:47,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158626067] [2023-11-12 00:54:47,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158626067] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:54:47,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709476557] [2023-11-12 00:54:47,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:47,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:54:47,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:54:47,487 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:54:47,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 00:54:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:47,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:54:47,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:54:47,647 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-12 00:54:47,647 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:54:47,763 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-12 00:54:47,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709476557] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:54:47,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1903419751] [2023-11-12 00:54:47,767 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2023-11-12 00:54:47,768 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:54:47,768 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:54:47,768 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:54:47,768 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:54:49,868 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsTrue with input of size 69 for LOIs [2023-11-12 00:54:49,878 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 71 for LOIs [2023-11-12 00:54:49,893 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsFalse with input of size 69 for LOIs [2023-11-12 00:54:49,902 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 31 for LOIs [2023-11-12 00:54:49,908 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:54:55,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1903419751] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:55,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:54:55,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [5, 5, 5] total 39 [2023-11-12 00:54:55,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195787580] [2023-11-12 00:54:55,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:55,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-11-12 00:54:55,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:54:55,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-11-12 00:54:55,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1401, Unknown=0, NotChecked=0, Total=1560 [2023-11-12 00:54:55,592 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand has 30 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 23 states have internal predecessors, (28), 10 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 10 states have call successors, (12) [2023-11-12 00:54:57,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:57,369 INFO L93 Difference]: Finished difference Result 49 states and 55 transitions. [2023-11-12 00:54:57,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-12 00:54:57,370 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 23 states have internal predecessors, (28), 10 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 10 states have call successors, (12) Word has length 60 [2023-11-12 00:54:57,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:57,370 INFO L225 Difference]: With dead ends: 49 [2023-11-12 00:54:57,370 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 00:54:57,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 144 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=169, Invalid=1553, Unknown=0, NotChecked=0, Total=1722 [2023-11-12 00:54:57,373 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 3 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:57,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 97 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1017 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-12 00:54:57,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 00:54:57,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 00:54:57,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2023-11-12 00:54:57,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 00:54:57,380 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2023-11-12 00:54:57,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:57,380 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 00:54:57,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 23 states have internal predecessors, (28), 10 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 10 states have call successors, (12) [2023-11-12 00:54:57,381 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 00:54:57,381 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:54:57,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-12 00:54:57,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-12 00:54:57,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-12 00:54:57,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-12 00:54:57,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-12 00:54:57,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-12 00:54:57,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-12 00:54:57,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-12 00:54:57,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:54:57,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-12 00:54:57,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 00:54:59,388 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-12 00:54:59,388 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-12 00:54:59,388 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1514 1517) the Hoare annotation is: true [2023-11-12 00:54:59,388 INFO L899 garLoopResultBuilder]: For program point globalReturnsFalseEXIT(lines 1514 1517) no Hoare annotation was computed. [2023-11-12 00:54:59,389 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-12 00:54:59,389 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-12 00:54:59,389 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2023-11-12 00:54:59,389 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1616) no Hoare annotation was computed. [2023-11-12 00:54:59,390 INFO L895 garLoopResultBuilder]: At program point L1621(line 1621) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= |ULTIMATE.start_goodG2B2_~data~3#1| 0) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-11-12 00:54:59,390 INFO L895 garLoopResultBuilder]: At program point L1588(line 1588) the Hoare annotation is: false [2023-11-12 00:54:59,390 INFO L899 garLoopResultBuilder]: For program point L1621-1(line 1621) no Hoare annotation was computed. [2023-11-12 00:54:59,391 INFO L899 garLoopResultBuilder]: For program point L1588-1(line 1588) no Hoare annotation was computed. [2023-11-12 00:54:59,391 INFO L895 garLoopResultBuilder]: At program point L1621-4(lines 1621 1624) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= |ULTIMATE.start_goodG2B2_~data~3#1| 2) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-11-12 00:54:59,391 INFO L902 garLoopResultBuilder]: At program point L1646(line 1646) the Hoare annotation is: true [2023-11-12 00:54:59,392 INFO L895 garLoopResultBuilder]: At program point L1613(line 1613) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= 3 |ULTIMATE.start_goodG2B1_~data~2#1|) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= |ULTIMATE.start_goodG2B1_~result~2#1| 3) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-11-12 00:54:59,392 INFO L899 garLoopResultBuilder]: For program point L1646-1(line 1646) no Hoare annotation was computed. [2023-11-12 00:54:59,393 INFO L899 garLoopResultBuilder]: For program point L1613-1(line 1613) no Hoare annotation was computed. [2023-11-12 00:54:59,393 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2023-11-12 00:54:59,393 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-12 00:54:59,393 INFO L902 garLoopResultBuilder]: At program point L1630(line 1630) the Hoare annotation is: true [2023-11-12 00:54:59,393 INFO L899 garLoopResultBuilder]: For program point L1630-1(line 1630) no Hoare annotation was computed. [2023-11-12 00:54:59,393 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2023-11-12 00:54:59,394 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2023-11-12 00:54:59,394 INFO L899 garLoopResultBuilder]: For program point L1556(line 1556) no Hoare annotation was computed. [2023-11-12 00:54:59,394 INFO L899 garLoopResultBuilder]: For program point L1556-1(lines 1556 1572) no Hoare annotation was computed. [2023-11-12 00:54:59,394 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-12 00:54:59,394 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2023-11-12 00:54:59,394 INFO L899 garLoopResultBuilder]: For program point L1582-1(lines 1582 1594) no Hoare annotation was computed. [2023-11-12 00:54:59,394 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 00:54:59,395 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1595) no Hoare annotation was computed. [2023-11-12 00:54:59,395 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: false [2023-11-12 00:54:59,395 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2023-11-12 00:54:59,395 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2023-11-12 00:54:59,395 INFO L899 garLoopResultBuilder]: For program point L1608(line 1608) no Hoare annotation was computed. [2023-11-12 00:54:59,395 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 1608 1615) no Hoare annotation was computed. [2023-11-12 00:54:59,396 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-11-12 00:54:59,396 INFO L899 garLoopResultBuilder]: For program point L1600-1(line 1600) no Hoare annotation was computed. [2023-11-12 00:54:59,396 INFO L899 garLoopResultBuilder]: For program point L1600-2(lines 1600 1607) no Hoare annotation was computed. [2023-11-12 00:54:59,397 INFO L895 garLoopResultBuilder]: At program point L1600-3(lines 1600 1607) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-11-12 00:54:59,397 INFO L899 garLoopResultBuilder]: For program point L1625(line 1625) no Hoare annotation was computed. [2023-11-12 00:54:59,403 INFO L895 garLoopResultBuilder]: At program point L1592(line 1592) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-11-12 00:54:59,404 INFO L899 garLoopResultBuilder]: For program point L1625-1(lines 1625 1632) no Hoare annotation was computed. [2023-11-12 00:54:59,404 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1633) no Hoare annotation was computed. [2023-11-12 00:54:59,405 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1593) no Hoare annotation was computed. [2023-11-12 00:54:59,405 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2023-11-12 00:54:59,405 INFO L895 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= |ULTIMATE.start_goodB2G1_~data~0#1| 0) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-11-12 00:54:59,405 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2023-11-12 00:54:59,406 INFO L895 garLoopResultBuilder]: At program point L1552-4(lines 1552 1555) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-11-12 00:54:59,406 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: false [2023-11-12 00:54:59,406 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 00:54:59,406 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2023-11-12 00:54:59,407 INFO L899 garLoopResultBuilder]: For program point L1586(line 1586) no Hoare annotation was computed. [2023-11-12 00:54:59,407 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2023-11-12 00:54:59,407 INFO L895 garLoopResultBuilder]: At program point L1644(line 1644) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-11-12 00:54:59,407 INFO L899 garLoopResultBuilder]: For program point L1644-1(line 1644) no Hoare annotation was computed. [2023-11-12 00:54:59,408 INFO L899 garLoopResultBuilder]: For program point L1611(line 1611) no Hoare annotation was computed. [2023-11-12 00:54:59,408 INFO L895 garLoopResultBuilder]: At program point L1578(line 1578) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_goodB2G2_~data~1#1| 0) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-11-12 00:54:59,408 INFO L899 garLoopResultBuilder]: For program point L1611-1(line 1611) no Hoare annotation was computed. [2023-11-12 00:54:59,408 INFO L899 garLoopResultBuilder]: For program point L1578-1(line 1578) no Hoare annotation was computed. [2023-11-12 00:54:59,409 INFO L895 garLoopResultBuilder]: At program point L1578-4(lines 1578 1581) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-11-12 00:54:59,409 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-11-12 00:54:59,409 INFO L899 garLoopResultBuilder]: For program point L1570-1(lines 1548 1573) no Hoare annotation was computed. [2023-11-12 00:54:59,410 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2023-11-12 00:54:59,410 INFO L899 garLoopResultBuilder]: For program point L1628(line 1628) no Hoare annotation was computed. [2023-11-12 00:54:59,410 INFO L899 garLoopResultBuilder]: For program point L1628-1(line 1628) no Hoare annotation was computed. [2023-11-12 00:54:59,410 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1571) no Hoare annotation was computed. [2023-11-12 00:54:59,410 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2023-11-12 00:54:59,410 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1510 1513) the Hoare annotation is: true [2023-11-12 00:54:59,410 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueEXIT(lines 1510 1513) no Hoare annotation was computed. [2023-11-12 00:54:59,415 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:54:59,418 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:54:59,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:54:59 BoogieIcfgContainer [2023-11-12 00:54:59,429 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:54:59,430 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:54:59,430 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:54:59,430 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:54:59,431 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:37" (3/4) ... [2023-11-12 00:54:59,433 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:54:59,437 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-12 00:54:59,438 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2023-11-12 00:54:59,438 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-12 00:54:59,438 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2023-11-12 00:54:59,450 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-12 00:54:59,451 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-12 00:54:59,451 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 00:54:59,452 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:54:59,578 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 00:54:59,579 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 00:54:59,579 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:54:59,580 INFO L158 Benchmark]: Toolchain (without parser) took 23842.18ms. Allocated memory was 169.9MB in the beginning and 476.1MB in the end (delta: 306.2MB). Free memory was 141.2MB in the beginning and 189.2MB in the end (delta: -48.1MB). Peak memory consumption was 258.0MB. Max. memory is 16.1GB. [2023-11-12 00:54:59,580 INFO L158 Benchmark]: CDTParser took 1.53ms. Allocated memory is still 113.2MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:54:59,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1462.38ms. Allocated memory is still 169.9MB. Free memory was 141.2MB in the beginning and 76.7MB in the end (delta: 64.4MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-12 00:54:59,581 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.07ms. Allocated memory is still 169.9MB. Free memory was 76.7MB in the beginning and 74.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:54:59,582 INFO L158 Benchmark]: Boogie Preprocessor took 44.91ms. Allocated memory is still 169.9MB. Free memory was 74.0MB in the beginning and 72.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:54:59,582 INFO L158 Benchmark]: RCFGBuilder took 546.10ms. Allocated memory is still 169.9MB. Free memory was 72.5MB in the beginning and 53.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 00:54:59,583 INFO L158 Benchmark]: TraceAbstraction took 21538.77ms. Allocated memory was 169.9MB in the beginning and 476.1MB in the end (delta: 306.2MB). Free memory was 52.3MB in the beginning and 195.5MB in the end (delta: -143.2MB). Peak memory consumption was 163.7MB. Max. memory is 16.1GB. [2023-11-12 00:54:59,583 INFO L158 Benchmark]: Witness Printer took 149.24ms. Allocated memory is still 476.1MB. Free memory was 195.5MB in the beginning and 189.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:54:59,586 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53ms. Allocated memory is still 113.2MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1462.38ms. Allocated memory is still 169.9MB. Free memory was 141.2MB in the beginning and 76.7MB in the end (delta: 64.4MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.07ms. Allocated memory is still 169.9MB. Free memory was 76.7MB in the beginning and 74.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.91ms. Allocated memory is still 169.9MB. Free memory was 74.0MB in the beginning and 72.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 546.10ms. Allocated memory is still 169.9MB. Free memory was 72.5MB in the beginning and 53.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 21538.77ms. Allocated memory was 169.9MB in the beginning and 476.1MB in the end (delta: 306.2MB). Free memory was 52.3MB in the beginning and 195.5MB in the end (delta: -143.2MB). Peak memory consumption was 163.7MB. Max. memory is 16.1GB. * Witness Printer took 149.24ms. Allocated memory is still 476.1MB. Free memory was 195.5MB in the beginning and 189.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 69 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 21.5s, OverallIterations: 8, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 1271 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 877 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1640 IncrementalHoareTripleChecker+Invalid, 1660 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 394 mSDtfsCounter, 1640 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 354 GetRequests, 274 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 584 ImplicationChecksByTransitivity, 9.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 61 PreInvPairs, 69 NumberOfFragments, 1618 HoareAnnotationTreeSize, 61 FomulaSimplifications, 146 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 22 FomulaSimplificationsInter, 1401 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 518 ConstructedInterpolants, 0 QuantifiedInterpolants, 662 SizeOfPredicates, 3 NumberOfNonLiveVariables, 558 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 260/268 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 4.4s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 79, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 49, TOOLS_POST_TIME: 1.1s, TOOLS_POST_CALL_APPLICATIONS: 54, TOOLS_POST_CALL_TIME: 1.0s, TOOLS_POST_RETURN_APPLICATIONS: 36, TOOLS_POST_RETURN_TIME: 1.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 139, TOOLS_QUANTIFIERELIM_TIME: 3.0s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 194, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 47, DOMAIN_JOIN_TIME: 1.0s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 79, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 36, CALL_SUMMARIZER_CACHE_MISSES: 7, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 1928, DAG_COMPRESSION_RETAINED_NODES: 203, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 00:54:59,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_503a071e-e23d-43da-a349-8f3fb3b6c4d4/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE