./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.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_SFH_test1-2.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 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 20:23:04,378 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 20:23:04,432 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 20:23:04,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 20:23:04,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 20:23:04,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 20:23:04,461 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 20:23:04,461 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 20:23:04,461 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 20:23:04,462 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 20:23:04,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 20:23:04,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 20:23:04,463 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 20:23:04,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 20:23:04,466 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 20:23:04,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 20:23:04,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 20:23:04,467 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 20:23:04,467 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 20:23:04,467 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 20:23:04,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 20:23:04,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 20:23:04,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 20:23:04,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 20:23:04,469 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 20:23:04,469 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 20:23:04,469 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 20:23:04,470 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 20:23:04,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 20:23:04,470 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 20:23:04,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 20:23:04,471 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 20:23:04,471 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 20:23:04,472 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 20:23:04,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 20:23:04,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 20:23:04,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 20:23:04,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 20:23:04,474 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 20:23:04,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 20:23:04,474 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 20:23:04,474 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 20:23:04,474 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 20:23:04,475 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 20:23:04,475 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed [2024-11-12 20:23:04,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 20:23:04,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 20:23:04,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 20:23:04,693 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 20:23:04,694 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 20:23:04,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2024-11-12 20:23:05,972 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 20:23:06,180 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 20:23:06,181 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2024-11-12 20:23:06,203 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6c5b7b26/618e42f8f69d4ca785a71419e1fba5cf/FLAG88c9802d3 [2024-11-12 20:23:06,521 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6c5b7b26/618e42f8f69d4ca785a71419e1fba5cf [2024-11-12 20:23:06,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 20:23:06,525 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 20:23:06,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 20:23:06,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 20:23:06,530 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 20:23:06,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:23:06" (1/1) ... [2024-11-12 20:23:06,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12931453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:23:06, skipping insertion in model container [2024-11-12 20:23:06,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:23:06" (1/1) ... [2024-11-12 20:23:06,577 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 20:23:06,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:23:06,996 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 20:23:07,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:23:07,102 INFO L204 MainTranslator]: Completed translation [2024-11-12 20:23:07,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:23:07 WrapperNode [2024-11-12 20:23:07,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 20:23:07,106 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 20:23:07,106 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 20:23:07,106 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 20:23:07,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:23:07" (1/1) ... [2024-11-12 20:23:07,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:23:07" (1/1) ... [2024-11-12 20:23:07,182 INFO L138 Inliner]: procedures = 176, calls = 231, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1015 [2024-11-12 20:23:07,182 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 20:23:07,182 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 20:23:07,183 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 20:23:07,183 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 20:23:07,193 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:23:07" (1/1) ... [2024-11-12 20:23:07,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:23:07" (1/1) ... [2024-11-12 20:23:07,209 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:23:07" (1/1) ... [2024-11-12 20:23:07,272 INFO L175 MemorySlicer]: Split 206 memory accesses to 2 slices as follows [2, 204]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 50 writes are split as follows [0, 50]. [2024-11-12 20:23:07,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:23:07" (1/1) ... [2024-11-12 20:23:07,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:23:07" (1/1) ... [2024-11-12 20:23:07,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:23:07" (1/1) ... [2024-11-12 20:23:07,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:23:07" (1/1) ... [2024-11-12 20:23:07,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:23:07" (1/1) ... [2024-11-12 20:23:07,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:23:07" (1/1) ... [2024-11-12 20:23:07,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 20:23:07,340 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 20:23:07,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 20:23:07,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 20:23:07,341 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:23:07" (1/1) ... [2024-11-12 20:23:07,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 20:23:07,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:23:07,372 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 20:23:07,374 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 20:23:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 20:23:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 20:23:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 20:23:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 20:23:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 20:23:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 20:23:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-12 20:23:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-12 20:23:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-12 20:23:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-12 20:23:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 20:23:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 20:23:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 20:23:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 20:23:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 20:23:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 20:23:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 20:23:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 20:23:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 20:23:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 20:23:07,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 20:23:07,585 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 20:23:07,586 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 20:23:08,501 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2024-11-12 20:23:08,501 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 20:23:08,514 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 20:23:08,514 INFO L316 CfgBuilder]: Removed 40 assume(true) statements. [2024-11-12 20:23:08,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:23:08 BoogieIcfgContainer [2024-11-12 20:23:08,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 20:23:08,516 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 20:23:08,516 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 20:23:08,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 20:23:08,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:23:06" (1/3) ... [2024-11-12 20:23:08,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e72fa35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:23:08, skipping insertion in model container [2024-11-12 20:23:08,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:23:07" (2/3) ... [2024-11-12 20:23:08,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e72fa35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:23:08, skipping insertion in model container [2024-11-12 20:23:08,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:23:08" (3/3) ... [2024-11-12 20:23:08,523 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test1-2.i [2024-11-12 20:23:08,539 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 20:23:08,540 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-12 20:23:08,593 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 20:23:08,599 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;@346e7e0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 20:23:08,599 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-12 20:23:08,604 INFO L276 IsEmpty]: Start isEmpty. Operand has 282 states, 260 states have (on average 1.623076923076923) internal successors, (422), 276 states have internal predecessors, (422), 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 20:23:08,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 20:23:08,608 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:23:08,608 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 20:23:08,609 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 20:23:08,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:23:08,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1363672333, now seen corresponding path program 1 times [2024-11-12 20:23:08,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:23:08,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381246186] [2024-11-12 20:23:08,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:23:08,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:23:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:08,786 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 20:23:08,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:23:08,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381246186] [2024-11-12 20:23:08,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381246186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:23:08,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:23:08,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:23:08,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721400115] [2024-11-12 20:23:08,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:23:08,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 20:23:08,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:23:08,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 20:23:08,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:23:08,812 INFO L87 Difference]: Start difference. First operand has 282 states, 260 states have (on average 1.623076923076923) internal successors, (422), 276 states have internal predecessors, (422), 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 20:23:08,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:23:08,915 INFO L93 Difference]: Finished difference Result 756 states and 1223 transitions. [2024-11-12 20:23:08,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 20:23:08,918 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 20:23:08,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:23:08,932 INFO L225 Difference]: With dead ends: 756 [2024-11-12 20:23:08,932 INFO L226 Difference]: Without dead ends: 436 [2024-11-12 20:23:08,937 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 20:23:08,940 INFO L435 NwaCegarLoop]: 438 mSDtfsCounter, 276 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 828 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 20:23:08,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 828 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 20:23:08,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-12 20:23:08,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 245. [2024-11-12 20:23:08,983 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 20:23:08,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 352 transitions. [2024-11-12 20:23:08,986 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 352 transitions. Word has length 6 [2024-11-12 20:23:08,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:23:08,986 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 352 transitions. [2024-11-12 20:23:08,987 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 20:23:08,987 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 352 transitions. [2024-11-12 20:23:08,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-12 20:23:08,990 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:23:08,991 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 20:23:08,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 20:23:08,991 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 20:23:08,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:23:08,992 INFO L85 PathProgramCache]: Analyzing trace with hash 34814661, now seen corresponding path program 1 times [2024-11-12 20:23:08,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:23:08,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106461191] [2024-11-12 20:23:08,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:23:08,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:23:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:09,337 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 20:23:09,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:23:09,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106461191] [2024-11-12 20:23:09,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106461191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:23:09,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:23:09,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 20:23:09,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476507707] [2024-11-12 20:23:09,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:23:09,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 20:23:09,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:23:09,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 20:23:09,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:23:09,342 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 20:23:09,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:23:09,427 INFO L93 Difference]: Finished difference Result 486 states and 700 transitions. [2024-11-12 20:23:09,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:23:09,430 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 20:23:09,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:23:09,431 INFO L225 Difference]: With dead ends: 486 [2024-11-12 20:23:09,431 INFO L226 Difference]: Without dead ends: 248 [2024-11-12 20:23:09,432 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 20:23:09,433 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 20:23:09,433 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 20:23:09,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-12 20:23:09,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 245. [2024-11-12 20:23:09,442 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 20:23:09,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 345 transitions. [2024-11-12 20:23:09,443 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 345 transitions. Word has length 80 [2024-11-12 20:23:09,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:23:09,443 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 345 transitions. [2024-11-12 20:23:09,443 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 20:23:09,444 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 345 transitions. [2024-11-12 20:23:09,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-12 20:23:09,446 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:23:09,447 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 20:23:09,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 20:23:09,447 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 20:23:09,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:23:09,448 INFO L85 PathProgramCache]: Analyzing trace with hash 603954361, now seen corresponding path program 1 times [2024-11-12 20:23:09,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:23:09,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142039981] [2024-11-12 20:23:09,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:23:09,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:23:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:09,610 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 20:23:09,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:23:09,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142039981] [2024-11-12 20:23:09,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142039981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:23:09,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:23:09,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:23:09,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186088168] [2024-11-12 20:23:09,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:23:09,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 20:23:09,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:23:09,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 20:23:09,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:23:09,612 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 20:23:09,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:23:09,658 INFO L93 Difference]: Finished difference Result 489 states and 692 transitions. [2024-11-12 20:23:09,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 20:23:09,659 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 20:23:09,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:23:09,660 INFO L225 Difference]: With dead ends: 489 [2024-11-12 20:23:09,660 INFO L226 Difference]: Without dead ends: 251 [2024-11-12 20:23:09,661 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 20:23:09,661 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 20:23:09,662 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 20:23:09,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-12 20:23:09,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2024-11-12 20:23:09,669 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 20:23:09,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 351 transitions. [2024-11-12 20:23:09,670 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 351 transitions. Word has length 80 [2024-11-12 20:23:09,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:23:09,671 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 351 transitions. [2024-11-12 20:23:09,671 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 20:23:09,671 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 351 transitions. [2024-11-12 20:23:09,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-12 20:23:09,673 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:23:09,673 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 20:23:09,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 20:23:09,673 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 20:23:09,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:23:09,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1085034619, now seen corresponding path program 1 times [2024-11-12 20:23:09,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:23:09,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856892223] [2024-11-12 20:23:09,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:23:09,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:23:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:09,801 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 20:23:09,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:23:09,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856892223] [2024-11-12 20:23:09,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856892223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:23:09,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:23:09,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:23:09,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393714575] [2024-11-12 20:23:09,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:23:09,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 20:23:09,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:23:09,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 20:23:09,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:23:09,807 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 20:23:09,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:23:09,864 INFO L93 Difference]: Finished difference Result 628 states and 888 transitions. [2024-11-12 20:23:09,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 20:23:09,866 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 20:23:09,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:23:09,867 INFO L225 Difference]: With dead ends: 628 [2024-11-12 20:23:09,867 INFO L226 Difference]: Without dead ends: 384 [2024-11-12 20:23:09,868 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 20:23:09,869 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 20:23:09,869 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 20:23:09,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-12 20:23:09,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2024-11-12 20:23:09,878 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 20:23:09,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 543 transitions. [2024-11-12 20:23:09,880 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 543 transitions. Word has length 80 [2024-11-12 20:23:09,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:23:09,880 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 543 transitions. [2024-11-12 20:23:09,880 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 20:23:09,880 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 543 transitions. [2024-11-12 20:23:09,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-12 20:23:09,882 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:23:09,882 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 20:23:09,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 20:23:09,883 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 20:23:09,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:23:09,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1503652086, now seen corresponding path program 1 times [2024-11-12 20:23:09,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:23:09,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591957289] [2024-11-12 20:23:09,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:23:09,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:23:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:10,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:23:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:10,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:23:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:10,068 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 20:23:10,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:23:10,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591957289] [2024-11-12 20:23:10,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591957289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:23:10,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:23:10,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 20:23:10,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532874805] [2024-11-12 20:23:10,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:23:10,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 20:23:10,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:23:10,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 20:23:10,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:23:10,071 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 20:23:10,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:23:10,278 INFO L93 Difference]: Finished difference Result 453 states and 638 transitions. [2024-11-12 20:23:10,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 20:23:10,278 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 20:23:10,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:23:10,281 INFO L225 Difference]: With dead ends: 453 [2024-11-12 20:23:10,281 INFO L226 Difference]: Without dead ends: 451 [2024-11-12 20:23:10,281 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 20:23:10,282 INFO L435 NwaCegarLoop]: 329 mSDtfsCounter, 192 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 20:23:10,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 1223 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 20:23:10,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-11-12 20:23:10,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 448. [2024-11-12 20:23:10,299 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 20:23:10,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 627 transitions. [2024-11-12 20:23:10,302 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 627 transitions. Word has length 95 [2024-11-12 20:23:10,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:23:10,303 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 627 transitions. [2024-11-12 20:23:10,303 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 20:23:10,303 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 627 transitions. [2024-11-12 20:23:10,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-12 20:23:10,307 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:23:10,307 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 20:23:10,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 20:23:10,307 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 20:23:10,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:23:10,307 INFO L85 PathProgramCache]: Analyzing trace with hash -770808548, now seen corresponding path program 1 times [2024-11-12 20:23:10,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:23:10,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851368409] [2024-11-12 20:23:10,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:23:10,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:23:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:10,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:23:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:10,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:23:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:10,525 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 20:23:10,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:23:10,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851368409] [2024-11-12 20:23:10,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851368409] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:23:10,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389539305] [2024-11-12 20:23:10,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:23:10,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:23:10,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:23:10,534 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 20:23:10,535 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 20:23:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:10,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:23:10,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:23:10,968 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 20:23:10,969 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:23:11,122 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 20:23:11,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389539305] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:23:11,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:23:11,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-11-12 20:23:11,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293062946] [2024-11-12 20:23:11,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:23:11,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 20:23:11,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:23:11,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 20:23:11,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-12 20:23:11,127 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 20:23:11,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:23:11,444 INFO L93 Difference]: Finished difference Result 690 states and 981 transitions. [2024-11-12 20:23:11,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 20:23:11,445 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 20:23:11,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:23:11,451 INFO L225 Difference]: With dead ends: 690 [2024-11-12 20:23:11,451 INFO L226 Difference]: Without dead ends: 656 [2024-11-12 20:23:11,452 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-12 20:23:11,452 INFO L435 NwaCegarLoop]: 327 mSDtfsCounter, 729 mSDsluCounter, 2138 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 2465 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 20:23:11,452 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 2465 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 20:23:11,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2024-11-12 20:23:11,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 653. [2024-11-12 20:23:11,467 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 20:23:11,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 914 transitions. [2024-11-12 20:23:11,470 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 914 transitions. Word has length 100 [2024-11-12 20:23:11,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:23:11,470 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 914 transitions. [2024-11-12 20:23:11,471 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 20:23:11,471 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 914 transitions. [2024-11-12 20:23:11,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-12 20:23:11,472 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:23:11,472 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 20:23:11,489 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 20:23:11,672 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 20:23:11,673 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 20:23:11,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:23:11,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1853862091, now seen corresponding path program 1 times [2024-11-12 20:23:11,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:23:11,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138906899] [2024-11-12 20:23:11,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:23:11,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:23:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:12,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:23:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:12,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:23:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:12,057 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 20:23:12,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:23:12,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138906899] [2024-11-12 20:23:12,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138906899] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:23:12,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614769033] [2024-11-12 20:23:12,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:23:12,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:23:12,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:23:12,060 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 20:23:12,061 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 20:23:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:12,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-12 20:23:12,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:23:12,336 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 20:23:12,355 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 27 treesize of output 11 [2024-11-12 20:23:12,704 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 20:23:12,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 55 [2024-11-12 20:23:12,855 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 20:23:12,856 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 20:23:12,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614769033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:23:12,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:23:12,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-12 20:23:12,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335429060] [2024-11-12 20:23:12,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:23:12,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 20:23:12,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:23:12,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 20:23:12,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-12 20:23:12,858 INFO L87 Difference]: Start difference. First operand 653 states and 914 transitions. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 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 20:23:13,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:23:13,772 INFO L93 Difference]: Finished difference Result 1250 states and 1745 transitions. [2024-11-12 20:23:13,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 20:23:13,772 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 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 20:23:13,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:23:13,775 INFO L225 Difference]: With dead ends: 1250 [2024-11-12 20:23:13,775 INFO L226 Difference]: Without dead ends: 690 [2024-11-12 20:23:13,776 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2024-11-12 20:23:13,777 INFO L435 NwaCegarLoop]: 365 mSDtfsCounter, 546 mSDsluCounter, 1340 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 1705 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 20:23:13,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 1705 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 20:23:13,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2024-11-12 20:23:13,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 685. [2024-11-12 20:23:13,790 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 20:23:13,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 951 transitions. [2024-11-12 20:23:13,792 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 951 transitions. Word has length 101 [2024-11-12 20:23:13,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:23:13,793 INFO L471 AbstractCegarLoop]: Abstraction has 685 states and 951 transitions. [2024-11-12 20:23:13,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 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 20:23:13,793 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 951 transitions. [2024-11-12 20:23:13,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-12 20:23:13,794 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:23:13,794 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 20:23:13,815 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 20:23:13,994 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 20:23:13,994 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 20:23:13,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:23:13,995 INFO L85 PathProgramCache]: Analyzing trace with hash -341294698, now seen corresponding path program 1 times [2024-11-12 20:23:13,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:23:13,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632619169] [2024-11-12 20:23:13,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:23:13,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:23:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:14,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 20:23:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:14,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 20:23:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:14,291 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 20:23:14,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:23:14,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632619169] [2024-11-12 20:23:14,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632619169] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:23:14,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586645116] [2024-11-12 20:23:14,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:23:14,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:23:14,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:23:14,294 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 20:23:14,325 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 20:23:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:14,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-12 20:23:14,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:23:14,764 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 20:23:14,765 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 20:23:14,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586645116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:23:14,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:23:14,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-12 20:23:14,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830299896] [2024-11-12 20:23:14,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:23:14,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 20:23:14,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:23:14,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 20:23:14,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-12 20:23:14,767 INFO L87 Difference]: Start difference. First operand 685 states and 951 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 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 20:23:15,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:23:15,261 INFO L93 Difference]: Finished difference Result 1348 states and 1876 transitions. [2024-11-12 20:23:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 20:23:15,262 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 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 102 [2024-11-12 20:23:15,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:23:15,264 INFO L225 Difference]: With dead ends: 1348 [2024-11-12 20:23:15,264 INFO L226 Difference]: Without dead ends: 788 [2024-11-12 20:23:15,265 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-12 20:23:15,266 INFO L435 NwaCegarLoop]: 320 mSDtfsCounter, 15 mSDsluCounter, 978 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1298 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 20:23:15,266 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 1298 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 20:23:15,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2024-11-12 20:23:15,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 776. [2024-11-12 20:23:15,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 750 states have (on average 1.3666666666666667) internal successors, (1025), 764 states have internal predecessors, (1025), 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 20:23:15,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 1063 transitions. [2024-11-12 20:23:15,279 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 1063 transitions. Word has length 102 [2024-11-12 20:23:15,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:23:15,280 INFO L471 AbstractCegarLoop]: Abstraction has 776 states and 1063 transitions. [2024-11-12 20:23:15,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 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 20:23:15,280 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1063 transitions. [2024-11-12 20:23:15,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-12 20:23:15,280 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:23:15,281 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, 1, 1] [2024-11-12 20:23:15,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 20:23:15,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:23:15,482 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:23:15,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:23:15,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1712554461, now seen corresponding path program 1 times [2024-11-12 20:23:15,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:23:15,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541844816] [2024-11-12 20:23:15,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:23:15,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:23:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:15,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-12 20:23:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:15,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 20:23:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:15,748 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 20:23:15,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:23:15,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541844816] [2024-11-12 20:23:15,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541844816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:23:15,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:23:15,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 20:23:15,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474540271] [2024-11-12 20:23:15,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:23:15,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 20:23:15,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:23:15,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 20:23:15,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-12 20:23:15,750 INFO L87 Difference]: Start difference. First operand 776 states and 1063 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 states have internal predecessors, (97), 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 20:23:16,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:23:16,272 INFO L93 Difference]: Finished difference Result 1431 states and 1976 transitions. [2024-11-12 20:23:16,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 20:23:16,273 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 states have internal predecessors, (97), 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 104 [2024-11-12 20:23:16,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:23:16,275 INFO L225 Difference]: With dead ends: 1431 [2024-11-12 20:23:16,275 INFO L226 Difference]: Without dead ends: 788 [2024-11-12 20:23:16,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-12 20:23:16,277 INFO L435 NwaCegarLoop]: 326 mSDtfsCounter, 14 mSDsluCounter, 979 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 20:23:16,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1305 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 20:23:16,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2024-11-12 20:23:16,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 785. [2024-11-12 20:23:16,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 759 states have (on average 1.3623188405797102) internal successors, (1034), 773 states have internal predecessors, (1034), 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 20:23:16,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1072 transitions. [2024-11-12 20:23:16,290 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1072 transitions. Word has length 104 [2024-11-12 20:23:16,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:23:16,290 INFO L471 AbstractCegarLoop]: Abstraction has 785 states and 1072 transitions. [2024-11-12 20:23:16,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 states have internal predecessors, (97), 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 20:23:16,290 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1072 transitions. [2024-11-12 20:23:16,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-12 20:23:16,291 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:23:16,291 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, 1, 1] [2024-11-12 20:23:16,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 20:23:16,291 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:23:16,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:23:16,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1633975281, now seen corresponding path program 1 times [2024-11-12 20:23:16,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:23:16,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592896448] [2024-11-12 20:23:16,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:23:16,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:23:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:16,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-12 20:23:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:16,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 20:23:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:16,491 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 20:23:16,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:23:16,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592896448] [2024-11-12 20:23:16,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592896448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:23:16,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:23:16,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 20:23:16,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507910847] [2024-11-12 20:23:16,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:23:16,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 20:23:16,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:23:16,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 20:23:16,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-12 20:23:16,515 INFO L87 Difference]: Start difference. First operand 785 states and 1072 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 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 20:23:17,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:23:17,093 INFO L93 Difference]: Finished difference Result 1450 states and 1999 transitions. [2024-11-12 20:23:17,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 20:23:17,094 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 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 104 [2024-11-12 20:23:17,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:23:17,096 INFO L225 Difference]: With dead ends: 1450 [2024-11-12 20:23:17,096 INFO L226 Difference]: Without dead ends: 812 [2024-11-12 20:23:17,097 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-12 20:23:17,098 INFO L435 NwaCegarLoop]: 316 mSDtfsCounter, 18 mSDsluCounter, 1156 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 1472 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 20:23:17,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 1472 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 20:23:17,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2024-11-12 20:23:17,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 788. [2024-11-12 20:23:17,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 762 states have (on average 1.3648293963254594) internal successors, (1040), 776 states have internal predecessors, (1040), 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 20:23:17,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1078 transitions. [2024-11-12 20:23:17,111 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1078 transitions. Word has length 104 [2024-11-12 20:23:17,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:23:17,111 INFO L471 AbstractCegarLoop]: Abstraction has 788 states and 1078 transitions. [2024-11-12 20:23:17,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 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 20:23:17,112 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1078 transitions. [2024-11-12 20:23:17,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-12 20:23:17,112 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:23:17,112 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, 1, 1, 1] [2024-11-12 20:23:17,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 20:23:17,113 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:23:17,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:23:17,113 INFO L85 PathProgramCache]: Analyzing trace with hash 626169338, now seen corresponding path program 1 times [2024-11-12 20:23:17,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:23:17,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777335908] [2024-11-12 20:23:17,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:23:17,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:23:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:17,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 20:23:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:17,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 20:23:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:17,353 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 20:23:17,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:23:17,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777335908] [2024-11-12 20:23:17,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777335908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:23:17,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:23:17,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 20:23:17,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418810910] [2024-11-12 20:23:17,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:23:17,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 20:23:17,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:23:17,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 20:23:17,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-12 20:23:17,355 INFO L87 Difference]: Start difference. First operand 788 states and 1078 transitions. Second operand has 10 states, 10 states have (on average 9.8) internal successors, (98), 9 states have internal predecessors, (98), 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 20:23:18,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:23:18,012 INFO L93 Difference]: Finished difference Result 1465 states and 2016 transitions. [2024-11-12 20:23:18,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 20:23:18,012 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.8) internal successors, (98), 9 states have internal predecessors, (98), 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 105 [2024-11-12 20:23:18,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:23:18,015 INFO L225 Difference]: With dead ends: 1465 [2024-11-12 20:23:18,015 INFO L226 Difference]: Without dead ends: 830 [2024-11-12 20:23:18,016 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-12 20:23:18,017 INFO L435 NwaCegarLoop]: 316 mSDtfsCounter, 26 mSDsluCounter, 1461 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 1777 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 20:23:18,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 1777 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 973 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 20:23:18,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2024-11-12 20:23:18,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 809. [2024-11-12 20:23:18,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 783 states have (on average 1.3627075351213283) internal successors, (1067), 797 states have internal predecessors, (1067), 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 20:23:18,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1105 transitions. [2024-11-12 20:23:18,030 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1105 transitions. Word has length 105 [2024-11-12 20:23:18,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:23:18,031 INFO L471 AbstractCegarLoop]: Abstraction has 809 states and 1105 transitions. [2024-11-12 20:23:18,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.8) internal successors, (98), 9 states have internal predecessors, (98), 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 20:23:18,031 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1105 transitions. [2024-11-12 20:23:18,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-12 20:23:18,032 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:23:18,032 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, 1, 1, 1] [2024-11-12 20:23:18,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 20:23:18,032 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:23:18,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:23:18,032 INFO L85 PathProgramCache]: Analyzing trace with hash 251696790, now seen corresponding path program 1 times [2024-11-12 20:23:18,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:23:18,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972533507] [2024-11-12 20:23:18,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:23:18,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:23:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:18,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 20:23:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:18,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 20:23:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:18,224 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 20:23:18,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:23:18,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972533507] [2024-11-12 20:23:18,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972533507] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:23:18,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432164362] [2024-11-12 20:23:18,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:23:18,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:23:18,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:23:18,226 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:23:18,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 20:23:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:18,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-12 20:23:18,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:23:18,620 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 20:23:18,620 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 20:23:18,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432164362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:23:18,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:23:18,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2024-11-12 20:23:18,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051949283] [2024-11-12 20:23:18,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:23:18,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 20:23:18,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:23:18,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 20:23:18,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-12 20:23:18,622 INFO L87 Difference]: Start difference. First operand 809 states and 1105 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 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 20:23:19,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:23:19,318 INFO L93 Difference]: Finished difference Result 1497 states and 2049 transitions. [2024-11-12 20:23:19,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 20:23:19,322 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 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 105 [2024-11-12 20:23:19,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:23:19,324 INFO L225 Difference]: With dead ends: 1497 [2024-11-12 20:23:19,324 INFO L226 Difference]: Without dead ends: 848 [2024-11-12 20:23:19,325 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-12 20:23:19,326 INFO L435 NwaCegarLoop]: 330 mSDtfsCounter, 17 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1377 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 20:23:19,326 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1377 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 20:23:19,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2024-11-12 20:23:19,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 824. [2024-11-12 20:23:19,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 798 states have (on average 1.3596491228070176) internal successors, (1085), 812 states have internal predecessors, (1085), 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 20:23:19,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1123 transitions. [2024-11-12 20:23:19,341 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1123 transitions. Word has length 105 [2024-11-12 20:23:19,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:23:19,341 INFO L471 AbstractCegarLoop]: Abstraction has 824 states and 1123 transitions. [2024-11-12 20:23:19,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 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 20:23:19,341 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1123 transitions. [2024-11-12 20:23:19,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-12 20:23:19,342 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:23:19,342 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, 1, 1, 1, 1] [2024-11-12 20:23:19,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 20:23:19,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:23:19,547 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:23:19,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:23:19,547 INFO L85 PathProgramCache]: Analyzing trace with hash 456011907, now seen corresponding path program 1 times [2024-11-12 20:23:19,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:23:19,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206870275] [2024-11-12 20:23:19,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:23:19,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:23:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:19,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 20:23:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:19,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 20:23:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:19,880 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 20:23:19,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:23:19,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206870275] [2024-11-12 20:23:19,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206870275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:23:19,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:23:19,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 20:23:19,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962642906] [2024-11-12 20:23:19,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:23:19,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 20:23:19,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:23:19,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 20:23:19,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-12 20:23:19,883 INFO L87 Difference]: Start difference. First operand 824 states and 1123 transitions. Second operand has 11 states, 11 states have (on average 9.0) internal successors, (99), 10 states have internal predecessors, (99), 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 20:23:20,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:23:20,638 INFO L93 Difference]: Finished difference Result 1518 states and 2085 transitions. [2024-11-12 20:23:20,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 20:23:20,639 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 10 states have internal predecessors, (99), 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 106 [2024-11-12 20:23:20,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:23:20,642 INFO L225 Difference]: With dead ends: 1518 [2024-11-12 20:23:20,643 INFO L226 Difference]: Without dead ends: 854 [2024-11-12 20:23:20,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-12 20:23:20,644 INFO L435 NwaCegarLoop]: 323 mSDtfsCounter, 32 mSDsluCounter, 1434 mSDsCounter, 0 mSdLazyCounter, 1108 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1757 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 20:23:20,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 1757 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1108 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 20:23:20,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2024-11-12 20:23:20,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 833. [2024-11-12 20:23:20,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 807 states have (on average 1.355638166047088) internal successors, (1094), 821 states have internal predecessors, (1094), 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 20:23:20,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1132 transitions. [2024-11-12 20:23:20,664 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1132 transitions. Word has length 106 [2024-11-12 20:23:20,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:23:20,664 INFO L471 AbstractCegarLoop]: Abstraction has 833 states and 1132 transitions. [2024-11-12 20:23:20,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 10 states have internal predecessors, (99), 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 20:23:20,664 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1132 transitions. [2024-11-12 20:23:20,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-12 20:23:20,665 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:23:20,665 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, 1, 1, 1, 1] [2024-11-12 20:23:20,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 20:23:20,666 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:23:20,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:23:20,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1732264807, now seen corresponding path program 1 times [2024-11-12 20:23:20,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:23:20,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532486103] [2024-11-12 20:23:20,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:23:20,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:23:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:20,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 20:23:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:20,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 20:23:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:20,868 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 20:23:20,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:23:20,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532486103] [2024-11-12 20:23:20,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532486103] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:23:20,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262728656] [2024-11-12 20:23:20,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:23:20,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:23:20,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:23:20,870 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:23:20,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 20:23:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:21,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 20:23:21,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:23:21,391 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 20:23:21,391 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 20:23:21,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262728656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:23:21,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:23:21,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-11-12 20:23:21,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480961153] [2024-11-12 20:23:21,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:23:21,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 20:23:21,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:23:21,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:23:21,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 20:23:21,394 INFO L87 Difference]: Start difference. First operand 833 states and 1132 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 20:23:21,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:23:21,437 INFO L93 Difference]: Finished difference Result 1466 states and 2001 transitions. [2024-11-12 20:23:21,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:23:21,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 106 [2024-11-12 20:23:21,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:23:21,441 INFO L225 Difference]: With dead ends: 1466 [2024-11-12 20:23:21,441 INFO L226 Difference]: Without dead ends: 836 [2024-11-12 20:23:21,442 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 20:23:21,443 INFO L435 NwaCegarLoop]: 337 mSDtfsCounter, 0 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 20:23:21,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1007 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 20:23:21,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2024-11-12 20:23:21,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 836. [2024-11-12 20:23:21,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 809 states have (on average 1.3559950556242275) internal successors, (1097), 824 states have internal predecessors, (1097), 19 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (22), 10 states have call predecessors, (22), 19 states have call successors, (22) [2024-11-12 20:23:21,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1138 transitions. [2024-11-12 20:23:21,488 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1138 transitions. Word has length 106 [2024-11-12 20:23:21,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:23:21,489 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1138 transitions. [2024-11-12 20:23:21,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 20:23:21,489 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1138 transitions. [2024-11-12 20:23:21,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-12 20:23:21,490 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:23:21,490 INFO L218 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1] [2024-11-12 20:23:21,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-12 20:23:21,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-12 20:23:21,691 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:23:21,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:23:21,691 INFO L85 PathProgramCache]: Analyzing trace with hash 503132037, now seen corresponding path program 1 times [2024-11-12 20:23:21,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:23:21,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835300121] [2024-11-12 20:23:21,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:23:21,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:23:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:21,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 20:23:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:21,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 20:23:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:21,989 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-12 20:23:21,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:23:21,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835300121] [2024-11-12 20:23:21,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835300121] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:23:21,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973903709] [2024-11-12 20:23:21,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:23:21,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:23:21,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:23:21,995 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:23:21,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 20:23:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:23:22,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 114 conjuncts are in the unsatisfiable core [2024-11-12 20:23:22,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:23:22,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-12 20:23:22,511 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 20:23:22,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-12 20:23:22,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2024-11-12 20:23:22,876 INFO L349 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2024-11-12 20:23:22,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 33 [2024-11-12 20:23:22,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-12 20:23:22,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 22 treesize of output 10 [2024-11-12 20:23:23,037 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-12 20:23:23,038 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 41