./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc 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_test4-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9bf0bad0cbe69b5d3c479fc9571d5ea3a755c149f856a4942bf9e49854dfec3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:44:10,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:44:10,343 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 13:44:10,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:44:10,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:44:10,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:44:10,381 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:44:10,382 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:44:10,382 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:44:10,383 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:44:10,394 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:44:10,394 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:44:10,395 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:44:10,398 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:44:10,398 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:44:10,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:44:10,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:44:10,398 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 13:44:10,399 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:44:10,399 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 13:44:10,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:44:10,399 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:44:10,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:44:10,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:44:10,401 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:44:10,402 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:44:10,402 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:44:10,402 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 13:44:10,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:44:10,402 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:44:10,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:44:10,402 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:44:10,402 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:44:10,403 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:44:10,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:44:10,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:44:10,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:44:10,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:44:10,403 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:44:10,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:44:10,403 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:44:10,404 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:44:10,404 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:44:10,404 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:44:10,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9bf0bad0cbe69b5d3c479fc9571d5ea3a755c149f856a4942bf9e49854dfec3 [2024-11-19 13:44:10,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:44:10,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:44:10,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:44:10,660 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:44:10,661 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:44:10,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i [2024-11-19 13:44:11,986 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:44:12,253 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:44:12,254 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i [2024-11-19 13:44:12,271 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78a29f318/11595d06038a4c719a7ce1ac908d67c9/FLAG4a9d2560f [2024-11-19 13:44:12,283 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78a29f318/11595d06038a4c719a7ce1ac908d67c9 [2024-11-19 13:44:12,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:44:12,286 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:44:12,288 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:44:12,289 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:44:12,293 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:44:12,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:44:12" (1/1) ... [2024-11-19 13:44:12,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71405e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:44:12, skipping insertion in model container [2024-11-19 13:44:12,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:44:12" (1/1) ... [2024-11-19 13:44:12,336 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:44:12,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:44:12,733 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:44:12,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:44:12,941 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:44:12,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:44:12 WrapperNode [2024-11-19 13:44:12,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:44:12,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:44:12,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:44:12,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:44:12,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:44:12" (1/1) ... [2024-11-19 13:44:12,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:44:12" (1/1) ... [2024-11-19 13:44:13,032 INFO L138 Inliner]: procedures = 176, calls = 336, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1597 [2024-11-19 13:44:13,032 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:44:13,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:44:13,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:44:13,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:44:13,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:44:12" (1/1) ... [2024-11-19 13:44:13,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:44:12" (1/1) ... [2024-11-19 13:44:13,058 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:44:12" (1/1) ... [2024-11-19 13:44:13,138 INFO L175 MemorySlicer]: Split 309 memory accesses to 2 slices as follows [2, 307]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 82 writes are split as follows [0, 82]. [2024-11-19 13:44:13,138 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:44:12" (1/1) ... [2024-11-19 13:44:13,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:44:12" (1/1) ... [2024-11-19 13:44:13,179 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:44:12" (1/1) ... [2024-11-19 13:44:13,193 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:44:12" (1/1) ... [2024-11-19 13:44:13,208 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:44:12" (1/1) ... [2024-11-19 13:44:13,215 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:44:12" (1/1) ... [2024-11-19 13:44:13,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:44:13,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:44:13,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:44:13,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:44:13,235 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:44:12" (1/1) ... [2024-11-19 13:44:13,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:44:13,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:44:13,266 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) [2024-11-19 13:44:13,270 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 [2024-11-19 13:44:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 13:44:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 13:44:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 13:44:13,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 13:44:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 13:44:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 13:44:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 13:44:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 13:44:13,326 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 13:44:13,326 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 13:44:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 13:44:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:44:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 13:44:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 13:44:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 13:44:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 13:44:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 13:44:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 13:44:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 13:44:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:44:13,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:44:13,488 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:44:13,490 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:44:14,639 INFO L? ?]: Removed 393 outVars from TransFormulas that were not future-live. [2024-11-19 13:44:14,639 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:44:14,655 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:44:14,655 INFO L316 CfgBuilder]: Removed 60 assume(true) statements. [2024-11-19 13:44:14,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:44:14 BoogieIcfgContainer [2024-11-19 13:44:14,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:44:14,657 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:44:14,657 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:44:14,660 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:44:14,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:44:12" (1/3) ... [2024-11-19 13:44:14,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ff93fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:44:14, skipping insertion in model container [2024-11-19 13:44:14,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:44:12" (2/3) ... [2024-11-19 13:44:14,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ff93fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:44:14, skipping insertion in model container [2024-11-19 13:44:14,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:44:14" (3/3) ... [2024-11-19 13:44:14,662 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test4-1.i [2024-11-19 13:44:14,673 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:44:14,674 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-19 13:44:14,732 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:44:14,741 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;@546aa64d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:44:14,744 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-19 13:44:14,749 INFO L276 IsEmpty]: Start isEmpty. Operand has 437 states, 412 states have (on average 1.6213592233009708) internal successors, (668), 428 states have internal predecessors, (668), 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) [2024-11-19 13:44:14,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-19 13:44:14,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:14,754 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 13:44:14,755 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)] === [2024-11-19 13:44:14,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:14,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1408033094, now seen corresponding path program 1 times [2024-11-19 13:44:14,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:14,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972657431] [2024-11-19 13:44:14,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:14,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:14,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:44:14,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:14,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972657431] [2024-11-19 13:44:14,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972657431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:44:14,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:44:14,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 13:44:14,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84457083] [2024-11-19 13:44:14,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:44:14,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 13:44:14,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:44:14,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 13:44:14,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 13:44:14,895 INFO L87 Difference]: Start difference. First operand has 437 states, 412 states have (on average 1.6213592233009708) internal successors, (668), 428 states have internal predecessors, (668), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:44:15,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:15,004 INFO L93 Difference]: Finished difference Result 870 states and 1407 transitions. [2024-11-19 13:44:15,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 13:44:15,011 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-19 13:44:15,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:15,024 INFO L225 Difference]: With dead ends: 870 [2024-11-19 13:44:15,025 INFO L226 Difference]: Without dead ends: 430 [2024-11-19 13:44:15,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 13:44:15,031 INFO L432 NwaCegarLoop]: 629 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:44:15,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:44:15,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-11-19 13:44:15,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2024-11-19 13:44:15,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 407 states have (on average 1.4545454545454546) internal successors, (592), 421 states have internal predecessors, (592), 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) [2024-11-19 13:44:15,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 624 transitions. [2024-11-19 13:44:15,087 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 624 transitions. Word has length 6 [2024-11-19 13:44:15,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:15,087 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 624 transitions. [2024-11-19 13:44:15,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:44:15,088 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 624 transitions. [2024-11-19 13:44:15,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-19 13:44:15,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:15,088 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 13:44:15,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:44:15,088 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:44:15,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:15,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1364389279, now seen corresponding path program 1 times [2024-11-19 13:44:15,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:15,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698037827] [2024-11-19 13:44:15,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:15,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:15,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:44:15,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:15,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698037827] [2024-11-19 13:44:15,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698037827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:44:15,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:44:15,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:44:15,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553810898] [2024-11-19 13:44:15,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:44:15,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:44:15,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:44:15,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:44:15,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:44:15,151 INFO L87 Difference]: Start difference. First operand 430 states and 624 transitions. 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) [2024-11-19 13:44:15,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:15,196 INFO L93 Difference]: Finished difference Result 850 states and 1238 transitions. [2024-11-19 13:44:15,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:44:15,197 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 [2024-11-19 13:44:15,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:15,201 INFO L225 Difference]: With dead ends: 850 [2024-11-19 13:44:15,201 INFO L226 Difference]: Without dead ends: 816 [2024-11-19 13:44:15,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:44:15,202 INFO L432 NwaCegarLoop]: 666 mSDtfsCounter, 547 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 1282 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:44:15,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 1282 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:44:15,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2024-11-19 13:44:15,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 435. [2024-11-19 13:44:15,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 412 states have (on average 1.4490291262135921) internal successors, (597), 426 states have internal predecessors, (597), 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) [2024-11-19 13:44:15,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 629 transitions. [2024-11-19 13:44:15,235 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 629 transitions. Word has length 6 [2024-11-19 13:44:15,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:15,236 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 629 transitions. [2024-11-19 13:44:15,236 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) [2024-11-19 13:44:15,236 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 629 transitions. [2024-11-19 13:44:15,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-19 13:44:15,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:15,243 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:44:15,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 13:44:15,243 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)] === [2024-11-19 13:44:15,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:15,246 INFO L85 PathProgramCache]: Analyzing trace with hash -220519858, now seen corresponding path program 1 times [2024-11-19 13:44:15,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:15,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338560717] [2024-11-19 13:44:15,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:15,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:15,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:44:15,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:15,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338560717] [2024-11-19 13:44:15,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338560717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:44:15,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:44:15,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 13:44:15,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205598263] [2024-11-19 13:44:15,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:44:15,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 13:44:15,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:44:15,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 13:44:15,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:44:15,769 INFO L87 Difference]: Start difference. First operand 435 states and 629 transitions. Second operand has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 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) [2024-11-19 13:44:15,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:15,859 INFO L93 Difference]: Finished difference Result 866 states and 1254 transitions. [2024-11-19 13:44:15,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:44:15,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 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 151 [2024-11-19 13:44:15,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:15,863 INFO L225 Difference]: With dead ends: 866 [2024-11-19 13:44:15,864 INFO L226 Difference]: Without dead ends: 438 [2024-11-19 13:44:15,866 INFO L431 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 [2024-11-19 13:44:15,867 INFO L432 NwaCegarLoop]: 596 mSDtfsCounter, 87 mSDsluCounter, 1683 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 2279 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 [2024-11-19 13:44:15,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 2279 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:44:15,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2024-11-19 13:44:15,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 435. [2024-11-19 13:44:15,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 412 states have (on average 1.4320388349514563) internal successors, (590), 426 states have internal predecessors, (590), 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) [2024-11-19 13:44:15,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 622 transitions. [2024-11-19 13:44:15,887 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 622 transitions. Word has length 151 [2024-11-19 13:44:15,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:15,887 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 622 transitions. [2024-11-19 13:44:15,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 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) [2024-11-19 13:44:15,887 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 622 transitions. [2024-11-19 13:44:15,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-19 13:44:15,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:15,893 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:44:15,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 13:44:15,893 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)] === [2024-11-19 13:44:15,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:15,896 INFO L85 PathProgramCache]: Analyzing trace with hash -315882022, now seen corresponding path program 1 times [2024-11-19 13:44:15,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:15,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366939231] [2024-11-19 13:44:15,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:15,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:16,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:44:16,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:16,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366939231] [2024-11-19 13:44:16,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366939231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:44:16,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:44:16,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:44:16,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683859506] [2024-11-19 13:44:16,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:44:16,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:44:16,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:44:16,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:44:16,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:44:16,125 INFO L87 Difference]: Start difference. First operand 435 states and 622 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2024-11-19 13:44:16,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:16,170 INFO L93 Difference]: Finished difference Result 869 states and 1246 transitions. [2024-11-19 13:44:16,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:44:16,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 151 [2024-11-19 13:44:16,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:16,173 INFO L225 Difference]: With dead ends: 869 [2024-11-19 13:44:16,175 INFO L226 Difference]: Without dead ends: 441 [2024-11-19 13:44:16,176 INFO L431 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 [2024-11-19 13:44:16,176 INFO L432 NwaCegarLoop]: 611 mSDtfsCounter, 1 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1200 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 [2024-11-19 13:44:16,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1200 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:44:16,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-19 13:44:16,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2024-11-19 13:44:16,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 418 states have (on average 1.4258373205741626) internal successors, (596), 432 states have internal predecessors, (596), 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) [2024-11-19 13:44:16,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 628 transitions. [2024-11-19 13:44:16,191 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 628 transitions. Word has length 151 [2024-11-19 13:44:16,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:16,192 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 628 transitions. [2024-11-19 13:44:16,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2024-11-19 13:44:16,192 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 628 transitions. [2024-11-19 13:44:16,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-19 13:44:16,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:16,195 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:44:16,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 13:44:16,196 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)] === [2024-11-19 13:44:16,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:16,196 INFO L85 PathProgramCache]: Analyzing trace with hash -803929128, now seen corresponding path program 1 times [2024-11-19 13:44:16,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:16,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662562265] [2024-11-19 13:44:16,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:16,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:16,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:44:16,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:16,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662562265] [2024-11-19 13:44:16,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662562265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:44:16,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:44:16,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:44:16,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669023259] [2024-11-19 13:44:16,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:44:16,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:44:16,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:44:16,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:44:16,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:44:16,393 INFO L87 Difference]: Start difference. First operand 441 states and 628 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2024-11-19 13:44:16,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:16,433 INFO L93 Difference]: Finished difference Result 1008 states and 1442 transitions. [2024-11-19 13:44:16,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:44:16,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 151 [2024-11-19 13:44:16,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:16,438 INFO L225 Difference]: With dead ends: 1008 [2024-11-19 13:44:16,438 INFO L226 Difference]: Without dead ends: 574 [2024-11-19 13:44:16,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:44:16,439 INFO L432 NwaCegarLoop]: 616 mSDtfsCounter, 134 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1225 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:44:16,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1225 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:44:16,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-11-19 13:44:16,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 574. [2024-11-19 13:44:16,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 551 states have (on average 1.4301270417422867) internal successors, (788), 565 states have internal predecessors, (788), 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) [2024-11-19 13:44:16,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 820 transitions. [2024-11-19 13:44:16,454 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 820 transitions. Word has length 151 [2024-11-19 13:44:16,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:16,454 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 820 transitions. [2024-11-19 13:44:16,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2024-11-19 13:44:16,455 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 820 transitions. [2024-11-19 13:44:16,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-19 13:44:16,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:16,456 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:44:16,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 13:44:16,456 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:44:16,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:16,456 INFO L85 PathProgramCache]: Analyzing trace with hash -2044506263, now seen corresponding path program 1 times [2024-11-19 13:44:16,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:16,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730165812] [2024-11-19 13:44:16,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:16,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:16,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:44:16,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:16,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730165812] [2024-11-19 13:44:16,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730165812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:44:16,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:44:16,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:44:16,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190578836] [2024-11-19 13:44:16,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:44:16,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:44:16,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:44:16,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:44:16,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:44:16,716 INFO L87 Difference]: Start difference. First operand 574 states and 820 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 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) [2024-11-19 13:44:16,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:16,793 INFO L93 Difference]: Finished difference Result 966 states and 1375 transitions. [2024-11-19 13:44:16,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 13:44:16,793 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 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 166 [2024-11-19 13:44:16,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:16,797 INFO L225 Difference]: With dead ends: 966 [2024-11-19 13:44:16,797 INFO L226 Difference]: Without dead ends: 532 [2024-11-19 13:44:16,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:44:16,798 INFO L432 NwaCegarLoop]: 515 mSDtfsCounter, 30 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1526 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:44:16,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1526 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:44:16,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-19 13:44:16,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 532. [2024-11-19 13:44:16,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 509 states have (on average 1.3968565815324165) internal successors, (711), 523 states have internal predecessors, (711), 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) [2024-11-19 13:44:16,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 743 transitions. [2024-11-19 13:44:16,812 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 743 transitions. Word has length 166 [2024-11-19 13:44:16,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:16,813 INFO L471 AbstractCegarLoop]: Abstraction has 532 states and 743 transitions. [2024-11-19 13:44:16,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 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) [2024-11-19 13:44:16,813 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 743 transitions. [2024-11-19 13:44:16,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-19 13:44:16,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:16,814 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:44:16,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 13:44:16,814 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:44:16,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:16,815 INFO L85 PathProgramCache]: Analyzing trace with hash -467033507, now seen corresponding path program 1 times [2024-11-19 13:44:16,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:16,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064454658] [2024-11-19 13:44:16,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:16,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:17,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:44:17,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:17,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064454658] [2024-11-19 13:44:17,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064454658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:44:17,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:44:17,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:44:17,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529582335] [2024-11-19 13:44:17,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:44:17,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:44:17,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:44:17,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:44:17,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:44:17,009 INFO L87 Difference]: Start difference. First operand 532 states and 743 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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) [2024-11-19 13:44:17,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:17,048 INFO L93 Difference]: Finished difference Result 1070 states and 1485 transitions. [2024-11-19 13:44:17,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:44:17,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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 166 [2024-11-19 13:44:17,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:17,054 INFO L225 Difference]: With dead ends: 1070 [2024-11-19 13:44:17,055 INFO L226 Difference]: Without dead ends: 678 [2024-11-19 13:44:17,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:44:17,057 INFO L432 NwaCegarLoop]: 533 mSDtfsCounter, 243 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 1058 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 [2024-11-19 13:44:17,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 1058 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:44:17,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2024-11-19 13:44:17,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 678. [2024-11-19 13:44:17,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 652 states have (on average 1.383435582822086) internal successors, (902), 666 states have internal predecessors, (902), 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) [2024-11-19 13:44:17,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 940 transitions. [2024-11-19 13:44:17,069 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 940 transitions. Word has length 166 [2024-11-19 13:44:17,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:17,070 INFO L471 AbstractCegarLoop]: Abstraction has 678 states and 940 transitions. [2024-11-19 13:44:17,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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) [2024-11-19 13:44:17,071 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 940 transitions. [2024-11-19 13:44:17,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-19 13:44:17,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:17,072 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:44:17,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 13:44:17,073 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:44:17,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:17,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1374700938, now seen corresponding path program 1 times [2024-11-19 13:44:17,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:17,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312508538] [2024-11-19 13:44:17,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:17,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:17,414 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 13:44:17,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:17,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312508538] [2024-11-19 13:44:17,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312508538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:44:17,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:44:17,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:44:17,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488923353] [2024-11-19 13:44:17,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:44:17,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:44:17,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:44:17,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:44:17,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:44:17,417 INFO L87 Difference]: Start difference. First operand 678 states and 940 transitions. Second operand has 4 states, 3 states have (on average 54.666666666666664) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:44:17,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:17,454 INFO L93 Difference]: Finished difference Result 744 states and 1026 transitions. [2024-11-19 13:44:17,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:44:17,455 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 54.666666666666664) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 181 [2024-11-19 13:44:17,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:17,458 INFO L225 Difference]: With dead ends: 744 [2024-11-19 13:44:17,458 INFO L226 Difference]: Without dead ends: 742 [2024-11-19 13:44:17,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:44:17,459 INFO L432 NwaCegarLoop]: 570 mSDtfsCounter, 295 mSDsluCounter, 1091 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 1661 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:44:17,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 1661 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:44:17,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2024-11-19 13:44:17,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742. [2024-11-19 13:44:17,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 713 states have (on average 1.3744740532959328) internal successors, (980), 727 states have internal predecessors, (980), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-19 13:44:17,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1024 transitions. [2024-11-19 13:44:17,475 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1024 transitions. Word has length 181 [2024-11-19 13:44:17,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:17,475 INFO L471 AbstractCegarLoop]: Abstraction has 742 states and 1024 transitions. [2024-11-19 13:44:17,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 54.666666666666664) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:44:17,475 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1024 transitions. [2024-11-19 13:44:17,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-19 13:44:17,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:17,477 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:44:17,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 13:44:17,478 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:44:17,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:17,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1170292628, now seen corresponding path program 1 times [2024-11-19 13:44:17,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:17,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861152578] [2024-11-19 13:44:17,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:17,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:17,771 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 13:44:17,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:17,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861152578] [2024-11-19 13:44:17,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861152578] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:44:17,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515889112] [2024-11-19 13:44:17,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:17,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:44:17,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:44:17,774 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) [2024-11-19 13:44:17,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 13:44:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:18,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 13:44:18,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:44:18,491 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 13:44:18,492 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 13:44:18,733 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 13:44:18,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515889112] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 13:44:18,734 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 13:44:18,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-19 13:44:18,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608981773] [2024-11-19 13:44:18,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 13:44:18,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:44:18,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:44:18,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:44:18,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:44:18,736 INFO L87 Difference]: Start difference. First operand 742 states and 1024 transitions. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-19 13:44:18,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:18,850 INFO L93 Difference]: Finished difference Result 1129 states and 1566 transitions. [2024-11-19 13:44:18,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 13:44:18,851 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 186 [2024-11-19 13:44:18,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:18,854 INFO L225 Difference]: With dead ends: 1129 [2024-11-19 13:44:18,855 INFO L226 Difference]: Without dead ends: 1095 [2024-11-19 13:44:18,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:44:18,857 INFO L432 NwaCegarLoop]: 568 mSDtfsCounter, 1508 mSDsluCounter, 3078 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1522 SdHoareTripleChecker+Valid, 3646 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:44:18,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1522 Valid, 3646 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:44:18,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2024-11-19 13:44:18,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 1095. [2024-11-19 13:44:18,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1095 states, 1060 states have (on average 1.3726415094339623) internal successors, (1455), 1074 states have internal predecessors, (1455), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-19 13:44:18,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1511 transitions. [2024-11-19 13:44:18,875 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1511 transitions. Word has length 186 [2024-11-19 13:44:18,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:18,875 INFO L471 AbstractCegarLoop]: Abstraction has 1095 states and 1511 transitions. [2024-11-19 13:44:18,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-19 13:44:18,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1511 transitions. [2024-11-19 13:44:18,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-19 13:44:18,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:18,877 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:44:18,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 13:44:19,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:44:19,079 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)] === [2024-11-19 13:44:19,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:19,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1876231077, now seen corresponding path program 1 times [2024-11-19 13:44:19,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:19,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887003935] [2024-11-19 13:44:19,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:19,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:19,901 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 13:44:19,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:19,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887003935] [2024-11-19 13:44:19,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887003935] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:44:19,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905683131] [2024-11-19 13:44:19,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:19,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:44:19,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:44:19,903 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) [2024-11-19 13:44:19,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 13:44:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:20,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-19 13:44:20,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:44:20,379 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 [2024-11-19 13:44:20,393 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 [2024-11-19 13:44:20,983 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 13:44:20,984 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:44:20,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905683131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:44:20,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:44:20,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2024-11-19 13:44:20,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170475052] [2024-11-19 13:44:20,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:44:20,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 13:44:20,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:44:20,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 13:44:20,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-19 13:44:20,985 INFO L87 Difference]: Start difference. First operand 1095 states and 1511 transitions. Second operand has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:44:22,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:22,507 INFO L93 Difference]: Finished difference Result 2134 states and 2939 transitions. [2024-11-19 13:44:22,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 13:44:22,507 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 187 [2024-11-19 13:44:22,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:22,511 INFO L225 Difference]: With dead ends: 2134 [2024-11-19 13:44:22,511 INFO L226 Difference]: Without dead ends: 1132 [2024-11-19 13:44:22,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-11-19 13:44:22,512 INFO L432 NwaCegarLoop]: 559 mSDtfsCounter, 721 mSDsluCounter, 2540 mSDsCounter, 0 mSdLazyCounter, 934 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 3099 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-19 13:44:22,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 3099 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 934 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-19 13:44:22,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2024-11-19 13:44:22,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 1127. [2024-11-19 13:44:22,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 1092 states have (on average 1.3663003663003663) internal successors, (1492), 1106 states have internal predecessors, (1492), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-19 13:44:22,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1548 transitions. [2024-11-19 13:44:22,533 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1548 transitions. Word has length 187 [2024-11-19 13:44:22,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:22,533 INFO L471 AbstractCegarLoop]: Abstraction has 1127 states and 1548 transitions. [2024-11-19 13:44:22,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:44:22,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1548 transitions. [2024-11-19 13:44:22,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-19 13:44:22,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:22,535 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:44:22,550 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 13:44:22,736 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,SelfDestructingSolverStorable9 [2024-11-19 13:44:22,737 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)] === [2024-11-19 13:44:22,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:22,737 INFO L85 PathProgramCache]: Analyzing trace with hash 2110538288, now seen corresponding path program 1 times [2024-11-19 13:44:22,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:22,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496838524] [2024-11-19 13:44:22,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:22,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:23,515 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 13:44:23,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:23,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496838524] [2024-11-19 13:44:23,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496838524] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:44:23,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400184032] [2024-11-19 13:44:23,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:23,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:44:23,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:44:23,518 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) [2024-11-19 13:44:23,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 13:44:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:23,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-19 13:44:23,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:44:24,022 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 13:44:24,023 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:44:24,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400184032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:44:24,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:44:24,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-19 13:44:24,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283618928] [2024-11-19 13:44:24,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:44:24,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:44:24,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:44:24,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:44:24,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:44:24,025 INFO L87 Difference]: Start difference. First operand 1127 states and 1548 transitions. Second operand has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:44:24,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:24,193 INFO L93 Difference]: Finished difference Result 2220 states and 3049 transitions. [2024-11-19 13:44:24,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:44:24,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 188 [2024-11-19 13:44:24,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:24,197 INFO L225 Difference]: With dead ends: 2220 [2024-11-19 13:44:24,197 INFO L226 Difference]: Without dead ends: 1218 [2024-11-19 13:44:24,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:44:24,199 INFO L432 NwaCegarLoop]: 525 mSDtfsCounter, 17 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:44:24,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1385 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:44:24,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2024-11-19 13:44:24,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 1194. [2024-11-19 13:44:24,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1194 states, 1159 states have (on average 1.355478861087144) internal successors, (1571), 1173 states have internal predecessors, (1571), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-19 13:44:24,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 1627 transitions. [2024-11-19 13:44:24,220 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 1627 transitions. Word has length 188 [2024-11-19 13:44:24,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:24,221 INFO L471 AbstractCegarLoop]: Abstraction has 1194 states and 1627 transitions. [2024-11-19 13:44:24,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:44:24,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1627 transitions. [2024-11-19 13:44:24,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-19 13:44:24,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:24,222 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:44:24,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 13:44:24,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:44:24,425 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)] === [2024-11-19 13:44:24,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:24,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1224994656, now seen corresponding path program 1 times [2024-11-19 13:44:24,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:24,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994956015] [2024-11-19 13:44:24,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:24,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:24,826 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 13:44:24,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:24,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994956015] [2024-11-19 13:44:24,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994956015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:44:24,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:44:24,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 13:44:24,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690472414] [2024-11-19 13:44:24,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:44:24,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:44:24,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:44:24,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:44:24,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:44:24,828 INFO L87 Difference]: Start difference. First operand 1194 states and 1627 transitions. Second operand has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:44:25,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:25,135 INFO L93 Difference]: Finished difference Result 2277 states and 3110 transitions. [2024-11-19 13:44:25,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 13:44:25,136 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 189 [2024-11-19 13:44:25,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:25,140 INFO L225 Difference]: With dead ends: 2277 [2024-11-19 13:44:25,140 INFO L226 Difference]: Without dead ends: 1212 [2024-11-19 13:44:25,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:44:25,142 INFO L432 NwaCegarLoop]: 524 mSDtfsCounter, 8 mSDsluCounter, 1193 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1717 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 13:44:25,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1717 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 13:44:25,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2024-11-19 13:44:25,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1206. [2024-11-19 13:44:25,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1206 states, 1171 states have (on average 1.354397950469684) internal successors, (1586), 1185 states have internal predecessors, (1586), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-19 13:44:25,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1642 transitions. [2024-11-19 13:44:25,162 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1642 transitions. Word has length 189 [2024-11-19 13:44:25,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:25,163 INFO L471 AbstractCegarLoop]: Abstraction has 1206 states and 1642 transitions. [2024-11-19 13:44:25,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:44:25,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1642 transitions. [2024-11-19 13:44:25,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-19 13:44:25,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:25,164 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:44:25,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 13:44:25,165 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)] === [2024-11-19 13:44:25,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:25,165 INFO L85 PathProgramCache]: Analyzing trace with hash 550054889, now seen corresponding path program 1 times [2024-11-19 13:44:25,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:25,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589679601] [2024-11-19 13:44:25,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:25,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:25,532 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 13:44:25,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:25,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589679601] [2024-11-19 13:44:25,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589679601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:44:25,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:44:25,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:44:25,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291312166] [2024-11-19 13:44:25,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:44:25,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:44:25,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:44:25,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:44:25,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:44:25,535 INFO L87 Difference]: Start difference. First operand 1206 states and 1642 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:44:25,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:25,960 INFO L93 Difference]: Finished difference Result 2305 states and 3148 transitions. [2024-11-19 13:44:25,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 13:44:25,961 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2024-11-19 13:44:25,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:25,965 INFO L225 Difference]: With dead ends: 2305 [2024-11-19 13:44:25,965 INFO L226 Difference]: Without dead ends: 1239 [2024-11-19 13:44:25,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:44:25,967 INFO L432 NwaCegarLoop]: 514 mSDtfsCounter, 12 mSDsluCounter, 1948 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2462 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 13:44:25,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2462 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 13:44:25,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states. [2024-11-19 13:44:25,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 1230. [2024-11-19 13:44:25,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1230 states, 1195 states have (on average 1.3548117154811716) internal successors, (1619), 1209 states have internal predecessors, (1619), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-19 13:44:25,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1675 transitions. [2024-11-19 13:44:25,988 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1675 transitions. Word has length 190 [2024-11-19 13:44:25,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:25,988 INFO L471 AbstractCegarLoop]: Abstraction has 1230 states and 1675 transitions. [2024-11-19 13:44:25,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:44:25,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1675 transitions. [2024-11-19 13:44:25,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-19 13:44:25,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:25,990 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:44:25,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 13:44:25,991 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)] === [2024-11-19 13:44:25,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:25,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1910520627, now seen corresponding path program 1 times [2024-11-19 13:44:25,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:25,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553980355] [2024-11-19 13:44:25,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:25,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:26,584 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 13:44:26,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:26,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553980355] [2024-11-19 13:44:26,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553980355] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:44:26,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137945132] [2024-11-19 13:44:26,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:26,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:44:26,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:44:26,587 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) [2024-11-19 13:44:26,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 13:44:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:27,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-19 13:44:27,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:44:27,336 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 13:44:27,336 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:44:27,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137945132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:44:27,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:44:27,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-19 13:44:27,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047278946] [2024-11-19 13:44:27,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:44:27,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:44:27,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:44:27,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:44:27,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:44:27,341 INFO L87 Difference]: Start difference. First operand 1230 states and 1675 transitions. Second operand has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:44:27,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:27,378 INFO L93 Difference]: Finished difference Result 2275 states and 3114 transitions. [2024-11-19 13:44:27,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:44:27,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 190 [2024-11-19 13:44:27,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:27,381 INFO L225 Difference]: With dead ends: 2275 [2024-11-19 13:44:27,382 INFO L226 Difference]: Without dead ends: 1233 [2024-11-19 13:44:27,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:44:27,383 INFO L432 NwaCegarLoop]: 530 mSDtfsCounter, 0 mSDsluCounter, 1053 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1583 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:44:27,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1583 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:44:27,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2024-11-19 13:44:27,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 1233. [2024-11-19 13:44:27,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1233 states, 1197 states have (on average 1.3550543024227235) internal successors, (1622), 1212 states have internal predecessors, (1622), 28 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (34), 19 states have call predecessors, (34), 28 states have call successors, (34) [2024-11-19 13:44:27,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 1233 states and 1684 transitions. [2024-11-19 13:44:27,403 INFO L78 Accepts]: Start accepts. Automaton has 1233 states and 1684 transitions. Word has length 190 [2024-11-19 13:44:27,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:27,403 INFO L471 AbstractCegarLoop]: Abstraction has 1233 states and 1684 transitions. [2024-11-19 13:44:27,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:44:27,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1684 transitions. [2024-11-19 13:44:27,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-19 13:44:27,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:27,405 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:44:27,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 13:44:27,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:44:27,610 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)] === [2024-11-19 13:44:27,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:27,610 INFO L85 PathProgramCache]: Analyzing trace with hash -178802935, now seen corresponding path program 1 times [2024-11-19 13:44:27,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:27,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104212450] [2024-11-19 13:44:27,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:27,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:28,545 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-19 13:44:28,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:28,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104212450] [2024-11-19 13:44:28,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104212450] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:44:28,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770016156] [2024-11-19 13:44:28,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:28,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:44:28,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:44:28,548 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) [2024-11-19 13:44:28,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 13:44:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:29,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 156 conjuncts are in the unsatisfiable core [2024-11-19 13:44:29,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:44:29,160 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 [2024-11-19 13:44:29,185 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 [2024-11-19 13:44:29,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 11 [2024-11-19 13:44:29,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 11 [2024-11-19 13:44:29,416 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 23 treesize of output 11 [2024-11-19 13:44:29,421 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 15 treesize of output 1 [2024-11-19 13:44:29,436 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-19 13:44:29,436 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 25 treesize of output 29 [2024-11-19 13:44:29,443 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 [2024-11-19 13:44:29,493 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 18 treesize of output 10 [2024-11-19 13:44:29,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2024-11-19 13:44:29,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2024-11-19 13:44:29,613 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-19 13:44:29,614 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 66 treesize of output 57 [2024-11-19 13:44:29,617 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 24 treesize of output 11 [2024-11-19 13:44:29,625 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 24 treesize of output 11 [2024-11-19 13:45:20,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 13:45:21,388 INFO L224 Elim1Store]: Index analysis took 942 ms