./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72c3cbe0b435a963730c7c79c0d825f3c978c53ad7cc61822ef9417e2e6ee67f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 20:10:42,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 20:10:42,518 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 20:10:42,524 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 20:10:42,525 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 20:10:42,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 20:10:42,556 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 20:10:42,556 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 20:10:42,557 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 20:10:42,558 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 20:10:42,559 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 20:10:42,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 20:10:42,560 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 20:10:42,561 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 20:10:42,564 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 20:10:42,564 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 20:10:42,564 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 20:10:42,565 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 20:10:42,565 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 20:10:42,565 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 20:10:42,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 20:10:42,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 20:10:42,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 20:10:42,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 20:10:42,566 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 20:10:42,567 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 20:10:42,567 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 20:10:42,567 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 20:10:42,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 20:10:42,568 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 20:10:42,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 20:10:42,568 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 20:10:42,568 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 20:10:42,568 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 20:10:42,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 20:10:42,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 20:10:42,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 20:10:42,571 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 20:10:42,572 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 20:10:42,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 20:10:42,573 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 20:10:42,573 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 20:10:42,573 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 20:10:42,574 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 20:10:42,574 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72c3cbe0b435a963730c7c79c0d825f3c978c53ad7cc61822ef9417e2e6ee67f [2024-11-12 20:10:42,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 20:10:42,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 20:10:42,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 20:10:42,868 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 20:10:42,868 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 20:10:42,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i [2024-11-12 20:10:44,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 20:10:44,540 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 20:10:44,540 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i [2024-11-12 20:10:44,583 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a96faefd/fd911138d49c450b93f80029c1ede4c5/FLAG89fcac461 [2024-11-12 20:10:44,611 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a96faefd/fd911138d49c450b93f80029c1ede4c5 [2024-11-12 20:10:44,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 20:10:44,615 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 20:10:44,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 20:10:44,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 20:10:44,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 20:10:44,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:10:44" (1/1) ... [2024-11-12 20:10:44,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dbf07cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:44, skipping insertion in model container [2024-11-12 20:10:44,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:10:44" (1/1) ... [2024-11-12 20:10:44,681 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 20:10:45,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:10:45,180 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 20:10:45,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:10:45,288 INFO L204 MainTranslator]: Completed translation [2024-11-12 20:10:45,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:45 WrapperNode [2024-11-12 20:10:45,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 20:10:45,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 20:10:45,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 20:10:45,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 20:10:45,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:45" (1/1) ... [2024-11-12 20:10:45,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:45" (1/1) ... [2024-11-12 20:10:45,386 INFO L138 Inliner]: procedures = 176, calls = 180, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 849 [2024-11-12 20:10:45,388 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 20:10:45,389 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 20:10:45,389 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 20:10:45,389 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 20:10:45,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:45" (1/1) ... [2024-11-12 20:10:45,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:45" (1/1) ... [2024-11-12 20:10:45,414 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:45" (1/1) ... [2024-11-12 20:10:45,458 INFO L175 MemorySlicer]: Split 158 memory accesses to 2 slices as follows [2, 156]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 42 writes are split as follows [0, 42]. [2024-11-12 20:10:45,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:45" (1/1) ... [2024-11-12 20:10:45,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:45" (1/1) ... [2024-11-12 20:10:45,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:45" (1/1) ... [2024-11-12 20:10:45,498 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:45" (1/1) ... [2024-11-12 20:10:45,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:45" (1/1) ... [2024-11-12 20:10:45,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:45" (1/1) ... [2024-11-12 20:10:45,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 20:10:45,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 20:10:45,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 20:10:45,528 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 20:10:45,529 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:45" (1/1) ... [2024-11-12 20:10:45,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 20:10:45,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:10:45,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 20:10:45,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 20:10:45,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 20:10:45,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 20:10:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 20:10:45,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 20:10:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 20:10:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 20:10:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-12 20:10:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-12 20:10:45,602 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-12 20:10:45,602 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-12 20:10:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 20:10:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 20:10:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 20:10:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 20:10:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 20:10:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 20:10:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 20:10:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 20:10:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 20:10:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 20:10:45,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 20:10:45,769 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 20:10:45,771 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 20:10:46,865 INFO L? ?]: Removed 214 outVars from TransFormulas that were not future-live. [2024-11-12 20:10:46,865 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 20:10:46,883 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 20:10:46,883 INFO L316 CfgBuilder]: Removed 31 assume(true) statements. [2024-11-12 20:10:46,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:10:46 BoogieIcfgContainer [2024-11-12 20:10:46,884 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 20:10:46,886 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 20:10:46,886 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 20:10:46,890 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 20:10:46,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:10:44" (1/3) ... [2024-11-12 20:10:46,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cfa2ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:10:46, skipping insertion in model container [2024-11-12 20:10:46,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:45" (2/3) ... [2024-11-12 20:10:46,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cfa2ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:10:46, skipping insertion in model container [2024-11-12 20:10:46,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:10:46" (3/3) ... [2024-11-12 20:10:46,893 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test1-1.i [2024-11-12 20:10:46,908 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 20:10:46,909 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-12 20:10:46,980 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 20:10:46,985 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, 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;@1e7c5d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 20:10:46,985 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-12 20:10:46,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 247 states, 225 states have (on average 1.6222222222222222) internal successors, (365), 241 states have internal predecessors, (365), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-12 20:10:46,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 20:10:46,994 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:46,994 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 20:10:46,995 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:46,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:46,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1363672333, now seen corresponding path program 1 times [2024-11-12 20:10:47,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:47,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148506374] [2024-11-12 20:10:47,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:47,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:47,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:10:47,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:47,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148506374] [2024-11-12 20:10:47,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148506374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:10:47,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:10:47,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:10:47,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907207980] [2024-11-12 20:10:47,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:10:47,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 20:10:47,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:10:47,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 20:10:47,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:10:47,233 INFO L87 Difference]: Start difference. First operand has 247 states, 225 states have (on average 1.6222222222222222) internal successors, (365), 241 states have internal predecessors, (365), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:10:47,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:10:47,373 INFO L93 Difference]: Finished difference Result 686 states and 1109 transitions. [2024-11-12 20:10:47,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 20:10:47,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-12 20:10:47,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:10:47,392 INFO L225 Difference]: With dead ends: 686 [2024-11-12 20:10:47,392 INFO L226 Difference]: Without dead ends: 436 [2024-11-12 20:10:47,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:10:47,405 INFO L435 NwaCegarLoop]: 347 mSDtfsCounter, 276 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 20:10:47,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 689 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 20:10:47,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-12 20:10:47,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 245. [2024-11-12 20:10:47,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 225 states have (on average 1.448888888888889) internal successors, (326), 239 states have internal predecessors, (326), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-12 20:10:47,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 352 transitions. [2024-11-12 20:10:47,459 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 352 transitions. Word has length 6 [2024-11-12 20:10:47,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:10:47,461 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 352 transitions. [2024-11-12 20:10:47,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:10:47,462 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 352 transitions. [2024-11-12 20:10:47,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-12 20:10:47,467 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:47,467 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:10:47,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 20:10:47,468 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:47,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:47,469 INFO L85 PathProgramCache]: Analyzing trace with hash 34814661, now seen corresponding path program 1 times [2024-11-12 20:10:47,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:47,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951384587] [2024-11-12 20:10:47,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:47,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:47,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:10:47,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:47,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951384587] [2024-11-12 20:10:47,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951384587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:10:47,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:10:47,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 20:10:47,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793146811] [2024-11-12 20:10:47,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:10:47,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 20:10:47,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:10:47,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 20:10:47,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:10:47,976 INFO L87 Difference]: Start difference. First operand 245 states and 352 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:10:48,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:10:48,092 INFO L93 Difference]: Finished difference Result 486 states and 700 transitions. [2024-11-12 20:10:48,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:10:48,093 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-12 20:10:48,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:10:48,095 INFO L225 Difference]: With dead ends: 486 [2024-11-12 20:10:48,097 INFO L226 Difference]: Without dead ends: 248 [2024-11-12 20:10:48,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:10:48,101 INFO L435 NwaCegarLoop]: 319 mSDtfsCounter, 87 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 1171 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 20:10:48,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 1171 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 20:10:48,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-12 20:10:48,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 245. [2024-11-12 20:10:48,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 225 states have (on average 1.4177777777777778) internal successors, (319), 239 states have internal predecessors, (319), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-12 20:10:48,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 345 transitions. [2024-11-12 20:10:48,127 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 345 transitions. Word has length 80 [2024-11-12 20:10:48,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:10:48,128 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 345 transitions. [2024-11-12 20:10:48,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:10:48,129 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 345 transitions. [2024-11-12 20:10:48,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-12 20:10:48,132 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:48,132 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:10:48,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 20:10:48,133 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:48,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:48,135 INFO L85 PathProgramCache]: Analyzing trace with hash 603954361, now seen corresponding path program 1 times [2024-11-12 20:10:48,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:48,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056235114] [2024-11-12 20:10:48,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:48,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:48,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:10:48,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:48,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056235114] [2024-11-12 20:10:48,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056235114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:10:48,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:10:48,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:10:48,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321120206] [2024-11-12 20:10:48,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:10:48,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 20:10:48,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:10:48,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 20:10:48,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:10:48,350 INFO L87 Difference]: Start difference. First operand 245 states and 345 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:10:48,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:10:48,402 INFO L93 Difference]: Finished difference Result 489 states and 692 transitions. [2024-11-12 20:10:48,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 20:10:48,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-12 20:10:48,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:10:48,404 INFO L225 Difference]: With dead ends: 489 [2024-11-12 20:10:48,404 INFO L226 Difference]: Without dead ends: 251 [2024-11-12 20:10:48,405 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:10:48,406 INFO L435 NwaCegarLoop]: 334 mSDtfsCounter, 1 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 20:10:48,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 646 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 20:10:48,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-12 20:10:48,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2024-11-12 20:10:48,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 231 states have (on average 1.406926406926407) internal successors, (325), 245 states have internal predecessors, (325), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-12 20:10:48,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 351 transitions. [2024-11-12 20:10:48,427 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 351 transitions. Word has length 80 [2024-11-12 20:10:48,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:10:48,427 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 351 transitions. [2024-11-12 20:10:48,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:10:48,428 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 351 transitions. [2024-11-12 20:10:48,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-12 20:10:48,430 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:48,430 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:10:48,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 20:10:48,431 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:48,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:48,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1085034619, now seen corresponding path program 1 times [2024-11-12 20:10:48,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:48,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635928747] [2024-11-12 20:10:48,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:48,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:48,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:10:48,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:48,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635928747] [2024-11-12 20:10:48,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635928747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:10:48,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:10:48,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:10:48,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769711847] [2024-11-12 20:10:48,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:10:48,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 20:10:48,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:10:48,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 20:10:48,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:10:48,632 INFO L87 Difference]: Start difference. First operand 251 states and 351 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:10:48,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:10:48,673 INFO L93 Difference]: Finished difference Result 628 states and 888 transitions. [2024-11-12 20:10:48,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 20:10:48,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-12 20:10:48,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:10:48,677 INFO L225 Difference]: With dead ends: 628 [2024-11-12 20:10:48,677 INFO L226 Difference]: Without dead ends: 384 [2024-11-12 20:10:48,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:10:48,682 INFO L435 NwaCegarLoop]: 339 mSDtfsCounter, 134 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 20:10:48,683 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 670 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 20:10:48,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-12 20:10:48,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2024-11-12 20:10:48,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 364 states have (on average 1.4203296703296704) internal successors, (517), 378 states have internal predecessors, (517), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-12 20:10:48,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 543 transitions. [2024-11-12 20:10:48,701 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 543 transitions. Word has length 80 [2024-11-12 20:10:48,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:10:48,701 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 543 transitions. [2024-11-12 20:10:48,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:10:48,702 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 543 transitions. [2024-11-12 20:10:48,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-12 20:10:48,706 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:48,706 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:10:48,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 20:10:48,708 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:48,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:48,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1820315274, now seen corresponding path program 1 times [2024-11-12 20:10:48,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:48,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416649669] [2024-11-12 20:10:48,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:48,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:48,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:10:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:48,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:10:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:48,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:48,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:48,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416649669] [2024-11-12 20:10:48,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416649669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:10:48,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:10:48,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 20:10:48,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733840491] [2024-11-12 20:10:48,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:10:48,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 20:10:48,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:10:48,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 20:10:48,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:10:48,940 INFO L87 Difference]: Start difference. First operand 384 states and 543 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 20:10:49,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:10:49,459 INFO L93 Difference]: Finished difference Result 453 states and 638 transitions. [2024-11-12 20:10:49,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 20:10:49,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 95 [2024-11-12 20:10:49,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:10:49,463 INFO L225 Difference]: With dead ends: 453 [2024-11-12 20:10:49,463 INFO L226 Difference]: Without dead ends: 451 [2024-11-12 20:10:49,464 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:10:49,464 INFO L435 NwaCegarLoop]: 329 mSDtfsCounter, 192 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 1223 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 20:10:49,465 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 1223 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 20:10:49,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-11-12 20:10:49,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 448. [2024-11-12 20:10:49,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 425 states have (on average 1.4) internal successors, (595), 439 states have internal predecessors, (595), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-12 20:10:49,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 627 transitions. [2024-11-12 20:10:49,478 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 627 transitions. Word has length 95 [2024-11-12 20:10:49,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:10:49,479 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 627 transitions. [2024-11-12 20:10:49,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 20:10:49,479 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 627 transitions. [2024-11-12 20:10:49,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-12 20:10:49,480 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:49,480 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:10:49,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 20:10:49,481 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:49,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:49,481 INFO L85 PathProgramCache]: Analyzing trace with hash 680877468, now seen corresponding path program 1 times [2024-11-12 20:10:49,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:49,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126183883] [2024-11-12 20:10:49,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:49,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:49,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:10:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:49,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:10:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:49,729 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:49,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:49,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126183883] [2024-11-12 20:10:49,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126183883] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:10:49,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992981808] [2024-11-12 20:10:49,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:49,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:10:49,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:10:49,732 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:10:49,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 20:10:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:49,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:10:49,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:10:50,200 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:50,201 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:10:50,412 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:50,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992981808] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:10:50,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:10:50,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-11-12 20:10:50,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359586447] [2024-11-12 20:10:50,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:10:50,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 20:10:50,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:10:50,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 20:10:50,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-12 20:10:50,416 INFO L87 Difference]: Start difference. First operand 448 states and 627 transitions. Second operand has 11 states, 11 states have (on average 24.09090909090909) internal successors, (265), 10 states have internal predecessors, (265), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 20:10:50,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:10:50,787 INFO L93 Difference]: Finished difference Result 690 states and 981 transitions. [2024-11-12 20:10:50,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 20:10:50,788 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 24.09090909090909) internal successors, (265), 10 states have internal predecessors, (265), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 100 [2024-11-12 20:10:50,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:10:50,792 INFO L225 Difference]: With dead ends: 690 [2024-11-12 20:10:50,792 INFO L226 Difference]: Without dead ends: 656 [2024-11-12 20:10:50,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-12 20:10:50,794 INFO L435 NwaCegarLoop]: 370 mSDtfsCounter, 1060 mSDsluCounter, 1890 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1074 SdHoareTripleChecker+Valid, 2260 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 20:10:50,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1074 Valid, 2260 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 20:10:50,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2024-11-12 20:10:50,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 653. [2024-11-12 20:10:50,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 627 states have (on average 1.3971291866028708) internal successors, (876), 641 states have internal predecessors, (876), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 10 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-12 20:10:50,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 914 transitions. [2024-11-12 20:10:50,820 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 914 transitions. Word has length 100 [2024-11-12 20:10:50,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:10:50,821 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 914 transitions. [2024-11-12 20:10:50,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 24.09090909090909) internal successors, (265), 10 states have internal predecessors, (265), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 20:10:50,821 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 914 transitions. [2024-11-12 20:10:50,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-12 20:10:50,823 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:50,823 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:10:50,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 20:10:51,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-12 20:10:51,024 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:51,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:51,024 INFO L85 PathProgramCache]: Analyzing trace with hash -388511669, now seen corresponding path program 1 times [2024-11-12 20:10:51,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:51,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268867432] [2024-11-12 20:10:51,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:51,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:51,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:10:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:51,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:10:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:51,444 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 20:10:51,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:51,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268867432] [2024-11-12 20:10:51,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268867432] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:10:51,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605221890] [2024-11-12 20:10:51,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:51,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:10:51,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:10:51,447 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:10:51,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 20:10:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:51,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-12 20:10:51,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:10:51,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-12 20:10:51,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-12 20:10:52,435 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 20:10:52,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 58 [2024-11-12 20:10:52,704 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:52,704 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 20:10:52,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605221890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:10:52,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:10:52,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2024-11-12 20:10:52,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42842574] [2024-11-12 20:10:52,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:10:52,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 20:10:52,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:10:52,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 20:10:52,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-12 20:10:52,706 INFO L87 Difference]: Start difference. First operand 653 states and 914 transitions. Second operand has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 20:10:54,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:10:54,462 INFO L93 Difference]: Finished difference Result 1250 states and 1745 transitions. [2024-11-12 20:10:54,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 20:10:54,462 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 101 [2024-11-12 20:10:54,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:10:54,466 INFO L225 Difference]: With dead ends: 1250 [2024-11-12 20:10:54,466 INFO L226 Difference]: Without dead ends: 690 [2024-11-12 20:10:54,468 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2024-11-12 20:10:54,469 INFO L435 NwaCegarLoop]: 365 mSDtfsCounter, 541 mSDsluCounter, 1812 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 2177 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-12 20:10:54,469 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [543 Valid, 2177 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-12 20:10:54,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2024-11-12 20:10:54,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 685. [2024-11-12 20:10:54,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 659 states have (on average 1.385432473444613) internal successors, (913), 673 states have internal predecessors, (913), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 10 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-12 20:10:54,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 951 transitions. [2024-11-12 20:10:54,489 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 951 transitions. Word has length 101 [2024-11-12 20:10:54,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:10:54,489 INFO L471 AbstractCegarLoop]: Abstraction has 685 states and 951 transitions. [2024-11-12 20:10:54,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 20:10:54,490 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 951 transitions. [2024-11-12 20:10:54,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-12 20:10:54,490 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:54,491 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:10:54,509 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 20:10:54,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-12 20:10:54,695 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:54,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:54,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1711298838, now seen corresponding path program 1 times [2024-11-12 20:10:54,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:54,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789494980] [2024-11-12 20:10:54,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:54,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:55,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 20:10:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:55,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 20:10:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:55,107 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 20:10:55,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:55,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789494980] [2024-11-12 20:10:55,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789494980] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:10:55,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710055476] [2024-11-12 20:10:55,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:55,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:10:55,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:10:55,110 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:10:55,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 20:10:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:55,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-12 20:10:55,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:11:52,412 WARN L286 SmtUtils]: Spent 6.32s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-12 20:12:01,611 WARN L286 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-12 20:12:13,801 WARN L286 SmtUtils]: Spent 5.68s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)