./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-1.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:32:13,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:32:13,450 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 23:32:13,456 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:32:13,458 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:32:13,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:32:13,487 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:32:13,487 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:32:13,488 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:32:13,489 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:32:13,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:32:13,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:32:13,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:32:13,492 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:32:13,492 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:32:13,493 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:32:13,494 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:32:13,494 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 23:32:13,494 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 23:32:13,494 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 23:32:13,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:32:13,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:32:13,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:32:13,496 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:32:13,496 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:32:13,496 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:32:13,497 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:32:13,497 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 23:32:13,497 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:32:13,498 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:32:13,498 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:32:13,498 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:32:13,498 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:32:13,499 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:32:13,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:32:13,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:32:13,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:32:13,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:32:13,500 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 23:32:13,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 23:32:13,500 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:32:13,501 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:32:13,501 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:32:13,501 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:32:13,501 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 [2024-10-11 23:32:13,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:32:13,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:32:13,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:32:13,805 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:32:13,806 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:32:13,807 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-1.i [2024-10-11 23:32:15,128 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:32:15,439 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:32:15,440 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-1.i [2024-10-11 23:32:15,461 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/64f5347f0/d3c7193cdece48faac9f39bb5552a154/FLAGb12d7d11d [2024-10-11 23:32:15,702 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/64f5347f0/d3c7193cdece48faac9f39bb5552a154 [2024-10-11 23:32:15,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:32:15,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:32:15,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:32:15,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:32:15,713 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:32:15,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:32:15" (1/1) ... [2024-10-11 23:32:15,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24827502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:15, skipping insertion in model container [2024-10-11 23:32:15,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:32:15" (1/1) ... [2024-10-11 23:32:15,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:32:16,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:32:16,240 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:32:16,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:32:16,370 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:32:16,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:16 WrapperNode [2024-10-11 23:32:16,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:32:16,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:32:16,372 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:32:16,372 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:32:16,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:16" (1/1) ... [2024-10-11 23:32:16,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:16" (1/1) ... [2024-10-11 23:32:16,460 INFO L138 Inliner]: procedures = 176, calls = 170, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 805 [2024-10-11 23:32:16,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:32:16,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:32:16,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:32:16,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:32:16,476 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:16" (1/1) ... [2024-10-11 23:32:16,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:16" (1/1) ... [2024-10-11 23:32:16,491 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:16" (1/1) ... [2024-10-11 23:32:16,541 INFO L175 MemorySlicer]: Split 158 memory accesses to 2 slices as follows [2, 156]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 42 writes are split as follows [0, 42]. [2024-10-11 23:32:16,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:16" (1/1) ... [2024-10-11 23:32:16,542 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:16" (1/1) ... [2024-10-11 23:32:16,571 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:16" (1/1) ... [2024-10-11 23:32:16,579 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:16" (1/1) ... [2024-10-11 23:32:16,582 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:16" (1/1) ... [2024-10-11 23:32:16,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:16" (1/1) ... [2024-10-11 23:32:16,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:32:16,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:32:16,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:32:16,593 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:32:16,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:16" (1/1) ... [2024-10-11 23:32:16,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:32:16,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:32:16,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 23:32:16,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 23:32:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 23:32:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 23:32:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 23:32:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 23:32:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-11 23:32:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-11 23:32:16,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-11 23:32:16,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-11 23:32:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 23:32:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:32:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 23:32:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 23:32:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 23:32:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 23:32:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 23:32:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 23:32:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 23:32:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:32:16,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:32:16,882 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:32:16,883 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:32:17,780 INFO L? ?]: Removed 205 outVars from TransFormulas that were not future-live. [2024-10-11 23:32:17,780 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:32:17,856 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:32:17,856 INFO L314 CfgBuilder]: Removed 31 assume(true) statements. [2024-10-11 23:32:17,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:32:17 BoogieIcfgContainer [2024-10-11 23:32:17,857 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:32:17,859 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:32:17,859 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:32:17,863 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:32:17,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:32:15" (1/3) ... [2024-10-11 23:32:17,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a7a159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:32:17, skipping insertion in model container [2024-10-11 23:32:17,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:16" (2/3) ... [2024-10-11 23:32:17,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a7a159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:32:17, skipping insertion in model container [2024-10-11 23:32:17,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:32:17" (3/3) ... [2024-10-11 23:32:17,866 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_nondet_test1-1.i [2024-10-11 23:32:17,881 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:32:17,881 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-11 23:32:17,944 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:32:17,949 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;@4f549c55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:32:17,950 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-11 23:32:17,954 INFO L276 IsEmpty]: Start isEmpty. Operand has 218 states, 207 states have (on average 1.6280193236714975) internal successors, (337), 213 states have internal predecessors, (337), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 23:32:17,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 23:32:17,959 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:17,959 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 23:32:17,960 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)] === [2024-10-11 23:32:17,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:17,964 INFO L85 PathProgramCache]: Analyzing trace with hash 783701145, now seen corresponding path program 1 times [2024-10-11 23:32:17,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:17,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79278619] [2024-10-11 23:32:17,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:17,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:18,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:32:18,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:18,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79278619] [2024-10-11 23:32:18,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79278619] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:18,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:18,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:32:18,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426134486] [2024-10-11 23:32:18,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:18,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:32:18,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:18,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:32:18,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:32:18,175 INFO L87 Difference]: Start difference. First operand has 218 states, 207 states have (on average 1.6280193236714975) internal successors, (337), 213 states have internal predecessors, (337), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:32:18,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:18,291 INFO L93 Difference]: Finished difference Result 632 states and 1004 transitions. [2024-10-11 23:32:18,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:32:18,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-11 23:32:18,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:18,309 INFO L225 Difference]: With dead ends: 632 [2024-10-11 23:32:18,309 INFO L226 Difference]: Without dead ends: 410 [2024-10-11 23:32:18,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:32:18,318 INFO L432 NwaCegarLoop]: 341 mSDtfsCounter, 278 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:18,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 637 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:32:18,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-10-11 23:32:18,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 213. [2024-10-11 23:32:18,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 203 states have (on average 1.4532019704433496) internal successors, (295), 208 states have internal predecessors, (295), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 23:32:18,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 301 transitions. [2024-10-11 23:32:18,385 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 301 transitions. Word has length 5 [2024-10-11 23:32:18,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:18,386 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 301 transitions. [2024-10-11 23:32:18,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:32:18,386 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 301 transitions. [2024-10-11 23:32:18,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 23:32:18,387 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:18,387 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 23:32:18,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 23:32:18,387 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:32:18,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:18,388 INFO L85 PathProgramCache]: Analyzing trace with hash 783027701, now seen corresponding path program 1 times [2024-10-11 23:32:18,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:18,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972621056] [2024-10-11 23:32:18,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:18,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:18,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:32:18,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:18,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972621056] [2024-10-11 23:32:18,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972621056] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:18,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:18,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:32:18,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358112864] [2024-10-11 23:32:18,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:18,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:32:18,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:18,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:32:18,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:32:18,634 INFO L87 Difference]: Start difference. First operand 213 states and 301 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:32:18,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:18,680 INFO L93 Difference]: Finished difference Result 218 states and 307 transitions. [2024-10-11 23:32:18,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:32:18,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-11 23:32:18,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:18,683 INFO L225 Difference]: With dead ends: 218 [2024-10-11 23:32:18,684 INFO L226 Difference]: Without dead ends: 217 [2024-10-11 23:32:18,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:32:18,685 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 2 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:18,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 586 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:32:18,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-10-11 23:32:18,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 216. [2024-10-11 23:32:18,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 206 states have (on average 1.4466019417475728) internal successors, (298), 211 states have internal predecessors, (298), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 23:32:18,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 304 transitions. [2024-10-11 23:32:18,707 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 304 transitions. Word has length 5 [2024-10-11 23:32:18,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:18,707 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 304 transitions. [2024-10-11 23:32:18,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:32:18,707 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 304 transitions. [2024-10-11 23:32:18,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 23:32:18,708 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:18,708 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 23:32:18,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 23:32:18,708 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:32:18,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:18,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1495944978, now seen corresponding path program 1 times [2024-10-11 23:32:18,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:18,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786493949] [2024-10-11 23:32:18,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:18,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:18,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:32:18,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:18,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786493949] [2024-10-11 23:32:18,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786493949] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:18,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:18,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:32:18,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561998996] [2024-10-11 23:32:18,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:18,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:32:18,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:18,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:32:18,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:32:18,848 INFO L87 Difference]: Start difference. First operand 216 states and 304 transitions. Second operand has 4 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) [2024-10-11 23:32:18,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:18,882 INFO L93 Difference]: Finished difference Result 218 states and 306 transitions. [2024-10-11 23:32:18,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:32:18,886 INFO L78 Accepts]: Start accepts. Automaton has has 4 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 [2024-10-11 23:32:18,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:18,888 INFO L225 Difference]: With dead ends: 218 [2024-10-11 23:32:18,888 INFO L226 Difference]: Without dead ends: 217 [2024-10-11 23:32:18,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:32:18,889 INFO L432 NwaCegarLoop]: 295 mSDtfsCounter, 0 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:18,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 587 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:32:18,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-10-11 23:32:18,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2024-10-11 23:32:18,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 207 states have (on average 1.4444444444444444) internal successors, (299), 212 states have internal predecessors, (299), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 23:32:18,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 305 transitions. [2024-10-11 23:32:18,906 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 305 transitions. Word has length 6 [2024-10-11 23:32:18,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:18,907 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 305 transitions. [2024-10-11 23:32:18,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 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) [2024-10-11 23:32:18,907 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 305 transitions. [2024-10-11 23:32:18,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 23:32:18,910 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:18,910 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] [2024-10-11 23:32:18,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 23:32:18,911 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)] === [2024-10-11 23:32:18,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:18,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1908945745, now seen corresponding path program 1 times [2024-10-11 23:32:18,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:18,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90029084] [2024-10-11 23:32:18,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:18,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:19,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:32:19,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:19,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90029084] [2024-10-11 23:32:19,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90029084] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:19,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:19,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:32:19,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460704183] [2024-10-11 23:32:19,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:19,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:32:19,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:19,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:32:19,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:32:19,226 INFO L87 Difference]: Start difference. First operand 217 states and 305 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2024-10-11 23:32:19,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:19,310 INFO L93 Difference]: Finished difference Result 431 states and 607 transitions. [2024-10-11 23:32:19,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:32:19,311 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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 79 [2024-10-11 23:32:19,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:19,312 INFO L225 Difference]: With dead ends: 431 [2024-10-11 23:32:19,313 INFO L226 Difference]: Without dead ends: 220 [2024-10-11 23:32:19,314 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 [2024-10-11 23:32:19,316 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 93 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:19,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 716 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:32:19,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-11 23:32:19,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 217. [2024-10-11 23:32:19,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 207 states have (on average 1.4106280193236715) internal successors, (292), 212 states have internal predecessors, (292), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 23:32:19,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 298 transitions. [2024-10-11 23:32:19,327 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 298 transitions. Word has length 79 [2024-10-11 23:32:19,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:19,327 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 298 transitions. [2024-10-11 23:32:19,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2024-10-11 23:32:19,327 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 298 transitions. [2024-10-11 23:32:19,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 23:32:19,336 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:19,336 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] [2024-10-11 23:32:19,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 23:32:19,336 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)] === [2024-10-11 23:32:19,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:19,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1816881851, now seen corresponding path program 1 times [2024-10-11 23:32:19,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:19,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560806732] [2024-10-11 23:32:19,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:19,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:19,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:32:19,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:19,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560806732] [2024-10-11 23:32:19,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560806732] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:19,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:19,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 23:32:19,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720702041] [2024-10-11 23:32:19,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:19,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:32:19,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:19,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:32:19,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:32:19,518 INFO L87 Difference]: Start difference. First operand 217 states and 298 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2024-10-11 23:32:19,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:19,572 INFO L93 Difference]: Finished difference Result 434 states and 599 transitions. [2024-10-11 23:32:19,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:32:19,573 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 79 [2024-10-11 23:32:19,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:19,574 INFO L225 Difference]: With dead ends: 434 [2024-10-11 23:32:19,574 INFO L226 Difference]: Without dead ends: 223 [2024-10-11 23:32:19,575 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 [2024-10-11 23:32:19,576 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 1 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:19,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 547 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:32:19,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-10-11 23:32:19,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2024-10-11 23:32:19,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 213 states have (on average 1.3990610328638498) internal successors, (298), 218 states have internal predecessors, (298), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 23:32:19,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 304 transitions. [2024-10-11 23:32:19,589 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 304 transitions. Word has length 79 [2024-10-11 23:32:19,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:19,590 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 304 transitions. [2024-10-11 23:32:19,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2024-10-11 23:32:19,591 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 304 transitions. [2024-10-11 23:32:19,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 23:32:19,596 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:19,596 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] [2024-10-11 23:32:19,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 23:32:19,596 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)] === [2024-10-11 23:32:19,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:19,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1335801593, now seen corresponding path program 1 times [2024-10-11 23:32:19,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:19,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259448242] [2024-10-11 23:32:19,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:19,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:19,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:32:19,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:19,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259448242] [2024-10-11 23:32:19,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259448242] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:19,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:19,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:32:19,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907311397] [2024-10-11 23:32:19,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:19,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:32:19,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:19,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:32:19,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:32:19,748 INFO L87 Difference]: Start difference. First operand 223 states and 304 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 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) [2024-10-11 23:32:19,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:19,798 INFO L93 Difference]: Finished difference Result 573 states and 795 transitions. [2024-10-11 23:32:19,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:32:19,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 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 79 [2024-10-11 23:32:19,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:19,802 INFO L225 Difference]: With dead ends: 573 [2024-10-11 23:32:19,803 INFO L226 Difference]: Without dead ends: 356 [2024-10-11 23:32:19,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:32:19,805 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 134 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:19,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 571 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:32:19,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-10-11 23:32:19,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2024-10-11 23:32:19,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 346 states have (on average 1.416184971098266) internal successors, (490), 351 states have internal predecessors, (490), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 23:32:19,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 496 transitions. [2024-10-11 23:32:19,838 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 496 transitions. Word has length 79 [2024-10-11 23:32:19,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:19,838 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 496 transitions. [2024-10-11 23:32:19,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 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) [2024-10-11 23:32:19,839 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 496 transitions. [2024-10-11 23:32:19,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-11 23:32:19,840 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:19,840 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:19,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 23:32:19,840 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)] === [2024-10-11 23:32:19,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:19,841 INFO L85 PathProgramCache]: Analyzing trace with hash 143182928, now seen corresponding path program 1 times [2024-10-11 23:32:19,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:19,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584690991] [2024-10-11 23:32:19,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:19,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:20,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:32:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:20,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:32:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:20,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:20,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:20,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584690991] [2024-10-11 23:32:20,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584690991] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:20,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:20,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:32:20,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790546054] [2024-10-11 23:32:20,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:20,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:32:20,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:20,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:32:20,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:32:20,089 INFO L87 Difference]: Start difference. First operand 356 states and 496 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 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) [2024-10-11 23:32:20,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:20,271 INFO L93 Difference]: Finished difference Result 358 states and 501 transitions. [2024-10-11 23:32:20,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:32:20,271 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 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 92 [2024-10-11 23:32:20,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:20,276 INFO L225 Difference]: With dead ends: 358 [2024-10-11 23:32:20,278 INFO L226 Difference]: Without dead ends: 357 [2024-10-11 23:32:20,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:32:20,279 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 193 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:20,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 806 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 23:32:20,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-10-11 23:32:20,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 355. [2024-10-11 23:32:20,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 346 states have (on average 1.4132947976878614) internal successors, (489), 350 states have internal predecessors, (489), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 23:32:20,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 495 transitions. [2024-10-11 23:32:20,293 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 495 transitions. Word has length 92 [2024-10-11 23:32:20,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:20,295 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 495 transitions. [2024-10-11 23:32:20,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 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) [2024-10-11 23:32:20,295 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 495 transitions. [2024-10-11 23:32:20,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-11 23:32:20,298 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:20,298 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:20,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 23:32:20,299 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:32:20,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:20,299 INFO L85 PathProgramCache]: Analyzing trace with hash 143704267, now seen corresponding path program 1 times [2024-10-11 23:32:20,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:20,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049167030] [2024-10-11 23:32:20,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:20,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:20,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:32:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:20,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:32:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:20,489 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:20,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:20,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049167030] [2024-10-11 23:32:20,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049167030] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:20,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:20,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:32:20,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832358949] [2024-10-11 23:32:20,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:20,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:32:20,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:20,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:32:20,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:32:20,492 INFO L87 Difference]: Start difference. First operand 355 states and 495 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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) [2024-10-11 23:32:20,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:20,664 INFO L93 Difference]: Finished difference Result 422 states and 588 transitions. [2024-10-11 23:32:20,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:32:20,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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 93 [2024-10-11 23:32:20,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:20,667 INFO L225 Difference]: With dead ends: 422 [2024-10-11 23:32:20,668 INFO L226 Difference]: Without dead ends: 421 [2024-10-11 23:32:20,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:32:20,669 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 187 mSDsluCounter, 801 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:20,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 1084 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 23:32:20,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-10-11 23:32:20,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 419. [2024-10-11 23:32:20,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 407 states have (on average 1.393120393120393) internal successors, (567), 411 states have internal predecessors, (567), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 23:32:20,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 579 transitions. [2024-10-11 23:32:20,681 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 579 transitions. Word has length 93 [2024-10-11 23:32:20,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:20,682 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 579 transitions. [2024-10-11 23:32:20,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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) [2024-10-11 23:32:20,682 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 579 transitions. [2024-10-11 23:32:20,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-11 23:32:20,683 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:20,683 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:20,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 23:32:20,684 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)] === [2024-10-11 23:32:20,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:20,684 INFO L85 PathProgramCache]: Analyzing trace with hash -578679914, now seen corresponding path program 1 times [2024-10-11 23:32:20,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:20,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340474315] [2024-10-11 23:32:20,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:20,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:20,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:32:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:20,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:32:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:20,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:20,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:20,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340474315] [2024-10-11 23:32:20,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340474315] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:32:20,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352339524] [2024-10-11 23:32:20,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:20,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:32:20,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:32:20,932 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:32:20,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 23:32:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:21,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 23:32:21,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:32:21,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:21,364 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:32:21,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:21,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352339524] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:32:21,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:32:21,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-10-11 23:32:21,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113094308] [2024-10-11 23:32:21,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:32:21,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 23:32:21,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:21,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 23:32:21,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-11 23:32:21,511 INFO L87 Difference]: Start difference. First operand 419 states and 579 transitions. Second operand has 9 states, 9 states have (on average 19.77777777777778) internal successors, (178), 8 states have internal predecessors, (178), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:32:21,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:21,748 INFO L93 Difference]: Finished difference Result 635 states and 886 transitions. [2024-10-11 23:32:21,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 23:32:21,748 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.77777777777778) internal successors, (178), 8 states have internal predecessors, (178), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 97 [2024-10-11 23:32:21,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:21,751 INFO L225 Difference]: With dead ends: 635 [2024-10-11 23:32:21,751 INFO L226 Difference]: Without dead ends: 628 [2024-10-11 23:32:21,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-11 23:32:21,752 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 914 mSDsluCounter, 1638 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 1921 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:21,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [928 Valid, 1921 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 23:32:21,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2024-10-11 23:32:21,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 624. [2024-10-11 23:32:21,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 609 states have (on average 1.3924466338259442) internal successors, (848), 613 states have internal predecessors, (848), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-11 23:32:21,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 866 transitions. [2024-10-11 23:32:21,768 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 866 transitions. Word has length 97 [2024-10-11 23:32:21,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:21,769 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 866 transitions. [2024-10-11 23:32:21,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.77777777777778) internal successors, (178), 8 states have internal predecessors, (178), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:32:21,769 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 866 transitions. [2024-10-11 23:32:21,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-11 23:32:21,770 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:21,770 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:21,788 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 23:32:21,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:32:21,971 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:32:21,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:21,971 INFO L85 PathProgramCache]: Analyzing trace with hash -579353358, now seen corresponding path program 1 times [2024-10-11 23:32:21,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:21,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051669744] [2024-10-11 23:32:21,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:21,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:22,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:32:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:22,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:32:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:22,582 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:22,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:22,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051669744] [2024-10-11 23:32:22,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051669744] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:32:22,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572378863] [2024-10-11 23:32:22,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:22,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:32:22,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:32:22,584 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:32:22,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 23:32:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:22,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 23:32:22,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:32:23,084 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:23,084 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:32:23,288 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:23,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572378863] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:32:23,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:32:23,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-10-11 23:32:23,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54504672] [2024-10-11 23:32:23,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:32:23,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 23:32:23,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:23,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 23:32:23,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-10-11 23:32:23,291 INFO L87 Difference]: Start difference. First operand 624 states and 866 transitions. Second operand has 14 states, 13 states have (on average 14.538461538461538) internal successors, (189), 13 states have internal predecessors, (189), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:32:23,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:23,601 INFO L93 Difference]: Finished difference Result 840 states and 1180 transitions. [2024-10-11 23:32:23,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 23:32:23,602 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 14.538461538461538) internal successors, (189), 13 states have internal predecessors, (189), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 97 [2024-10-11 23:32:23,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:23,606 INFO L225 Difference]: With dead ends: 840 [2024-10-11 23:32:23,606 INFO L226 Difference]: Without dead ends: 839 [2024-10-11 23:32:23,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-10-11 23:32:23,607 INFO L432 NwaCegarLoop]: 282 mSDtfsCounter, 803 mSDsluCounter, 2205 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 813 SdHoareTripleChecker+Valid, 2487 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:23,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [813 Valid, 2487 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 23:32:23,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2024-10-11 23:32:23,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 831. [2024-10-11 23:32:23,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 813 states have (on average 1.3911439114391144) internal successors, (1131), 817 states have internal predecessors, (1131), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 23:32:23,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1155 transitions. [2024-10-11 23:32:23,631 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1155 transitions. Word has length 97 [2024-10-11 23:32:23,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:23,631 INFO L471 AbstractCegarLoop]: Abstraction has 831 states and 1155 transitions. [2024-10-11 23:32:23,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 14.538461538461538) internal successors, (189), 13 states have internal predecessors, (189), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:32:23,631 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1155 transitions. [2024-10-11 23:32:23,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-11 23:32:23,632 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:23,632 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:23,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 23:32:23,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:32:23,836 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)] === [2024-10-11 23:32:23,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:23,838 INFO L85 PathProgramCache]: Analyzing trace with hash -780084847, now seen corresponding path program 1 times [2024-10-11 23:32:23,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:23,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105869019] [2024-10-11 23:32:23,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:23,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:24,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:32:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:24,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:32:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:24,424 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:24,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:24,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105869019] [2024-10-11 23:32:24,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105869019] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:32:24,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698902770] [2024-10-11 23:32:24,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:24,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:32:24,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:32:24,427 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:32:24,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 23:32:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:24,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 23:32:24,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:32:24,928 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:24,929 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:32:25,089 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:25,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698902770] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:32:25,090 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:32:25,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-10-11 23:32:25,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577414426] [2024-10-11 23:32:25,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:32:25,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 23:32:25,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:25,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 23:32:25,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-10-11 23:32:25,092 INFO L87 Difference]: Start difference. First operand 831 states and 1155 transitions. Second operand has 14 states, 13 states have (on average 14.76923076923077) internal successors, (192), 13 states have internal predecessors, (192), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:32:25,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:25,485 INFO L93 Difference]: Finished difference Result 840 states and 1177 transitions. [2024-10-11 23:32:25,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 23:32:25,485 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 14.76923076923077) internal successors, (192), 13 states have internal predecessors, (192), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 98 [2024-10-11 23:32:25,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:25,489 INFO L225 Difference]: With dead ends: 840 [2024-10-11 23:32:25,489 INFO L226 Difference]: Without dead ends: 839 [2024-10-11 23:32:25,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-10-11 23:32:25,490 INFO L432 NwaCegarLoop]: 369 mSDtfsCounter, 651 mSDsluCounter, 2205 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 661 SdHoareTripleChecker+Valid, 2574 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:25,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [661 Valid, 2574 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 23:32:25,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2024-10-11 23:32:25,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 832. [2024-10-11 23:32:25,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 814 states have (on average 1.3882063882063882) internal successors, (1130), 818 states have internal predecessors, (1130), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 23:32:25,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1154 transitions. [2024-10-11 23:32:25,509 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1154 transitions. Word has length 98 [2024-10-11 23:32:25,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:25,510 INFO L471 AbstractCegarLoop]: Abstraction has 832 states and 1154 transitions. [2024-10-11 23:32:25,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 14.76923076923077) internal successors, (192), 13 states have internal predecessors, (192), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:32:25,510 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1154 transitions. [2024-10-11 23:32:25,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-10-11 23:32:25,512 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:25,513 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:25,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 23:32:25,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:32:25,713 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:32:25,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:25,714 INFO L85 PathProgramCache]: Analyzing trace with hash 692856651, now seen corresponding path program 1 times [2024-10-11 23:32:25,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:25,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654005317] [2024-10-11 23:32:25,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:25,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:26,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:32:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:26,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:32:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:26,105 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-10-11 23:32:26,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:26,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654005317] [2024-10-11 23:32:26,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654005317] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:26,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:26,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:32:26,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560689443] [2024-10-11 23:32:26,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:26,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:32:26,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:26,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:32:26,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:32:26,108 INFO L87 Difference]: Start difference. First operand 832 states and 1154 transitions. Second operand has 5 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 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) [2024-10-11 23:32:26,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:26,281 INFO L93 Difference]: Finished difference Result 834 states and 1168 transitions. [2024-10-11 23:32:26,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:32:26,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 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 251 [2024-10-11 23:32:26,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:26,285 INFO L225 Difference]: With dead ends: 834 [2024-10-11 23:32:26,285 INFO L226 Difference]: Without dead ends: 833 [2024-10-11 23:32:26,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:32:26,286 INFO L432 NwaCegarLoop]: 282 mSDtfsCounter, 197 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:26,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 809 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 23:32:26,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2024-10-11 23:32:26,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 831. [2024-10-11 23:32:26,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 814 states have (on average 1.3857493857493857) internal successors, (1128), 817 states have internal predecessors, (1128), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 23:32:26,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1152 transitions. [2024-10-11 23:32:26,305 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1152 transitions. Word has length 251 [2024-10-11 23:32:26,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:26,306 INFO L471 AbstractCegarLoop]: Abstraction has 831 states and 1152 transitions. [2024-10-11 23:32:26,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 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) [2024-10-11 23:32:26,306 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1152 transitions. [2024-10-11 23:32:26,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-10-11 23:32:26,309 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:26,309 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:26,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 23:32:26,309 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:32:26,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:26,309 INFO L85 PathProgramCache]: Analyzing trace with hash -853134826, now seen corresponding path program 1 times [2024-10-11 23:32:26,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:26,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343022741] [2024-10-11 23:32:26,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:26,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:27,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:32:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:27,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:32:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:27,065 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:27,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:27,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343022741] [2024-10-11 23:32:27,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343022741] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:32:27,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966838471] [2024-10-11 23:32:27,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:27,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:32:27,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:32:27,068 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:32:27,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 23:32:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:27,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 1285 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 23:32:27,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:32:27,841 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:27,841 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:32:28,204 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:28,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966838471] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:32:28,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:32:28,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 17 [2024-10-11 23:32:28,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127278728] [2024-10-11 23:32:28,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:32:28,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-11 23:32:28,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:28,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-11 23:32:28,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-10-11 23:32:28,207 INFO L87 Difference]: Start difference. First operand 831 states and 1152 transitions. Second operand has 17 states, 17 states have (on average 29.058823529411764) internal successors, (494), 16 states have internal predecessors, (494), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:32:28,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:28,640 INFO L93 Difference]: Finished difference Result 1451 states and 2036 transitions. [2024-10-11 23:32:28,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 23:32:28,642 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 29.058823529411764) internal successors, (494), 16 states have internal predecessors, (494), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 255 [2024-10-11 23:32:28,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:28,648 INFO L225 Difference]: With dead ends: 1451 [2024-10-11 23:32:28,648 INFO L226 Difference]: Without dead ends: 1445 [2024-10-11 23:32:28,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 520 GetRequests, 505 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-10-11 23:32:28,649 INFO L432 NwaCegarLoop]: 411 mSDtfsCounter, 2125 mSDsluCounter, 3141 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2163 SdHoareTripleChecker+Valid, 3552 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:28,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2163 Valid, 3552 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 23:32:28,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2024-10-11 23:32:28,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1439. [2024-10-11 23:32:28,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1439 states, 1413 states have (on average 1.3878273177636236) internal successors, (1961), 1416 states have internal predecessors, (1961), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-11 23:32:28,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1439 states and 2003 transitions. [2024-10-11 23:32:28,684 INFO L78 Accepts]: Start accepts. Automaton has 1439 states and 2003 transitions. Word has length 255 [2024-10-11 23:32:28,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:28,685 INFO L471 AbstractCegarLoop]: Abstraction has 1439 states and 2003 transitions. [2024-10-11 23:32:28,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 29.058823529411764) internal successors, (494), 16 states have internal predecessors, (494), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:32:28,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 2003 transitions. [2024-10-11 23:32:28,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2024-10-11 23:32:28,690 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:28,690 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:28,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 23:32:28,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-11 23:32:28,891 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:32:28,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:28,891 INFO L85 PathProgramCache]: Analyzing trace with hash 2051990398, now seen corresponding path program 1 times [2024-10-11 23:32:28,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:28,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30016808] [2024-10-11 23:32:28,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:28,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:31,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:32:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:31,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:32:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:31,853 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:31,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:31,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30016808] [2024-10-11 23:32:31,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30016808] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:32:31,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376502849] [2024-10-11 23:32:31,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:31,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:32:31,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:32:31,856 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:32:31,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 23:32:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:32,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 1687 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-10-11 23:32:32,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:32:33,091 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:33,091 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:32:33,608 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:33,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376502849] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:32:33,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:32:33,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 28 [2024-10-11 23:32:33,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213351329] [2024-10-11 23:32:33,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:32:33,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-11 23:32:33,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:33,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-11 23:32:33,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=552, Unknown=0, NotChecked=0, Total=812 [2024-10-11 23:32:33,614 INFO L87 Difference]: Start difference. First operand 1439 states and 2003 transitions. Second operand has 29 states, 28 states have (on average 24.0) internal successors, (672), 28 states have internal predecessors, (672), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:32:34,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:34,170 INFO L93 Difference]: Finished difference Result 2070 states and 2920 transitions. [2024-10-11 23:32:34,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-11 23:32:34,171 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 24.0) internal successors, (672), 28 states have internal predecessors, (672), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 334 [2024-10-11 23:32:34,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:34,179 INFO L225 Difference]: With dead ends: 2070 [2024-10-11 23:32:34,180 INFO L226 Difference]: Without dead ends: 2069 [2024-10-11 23:32:34,180 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 685 GetRequests, 653 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=340, Invalid=782, Unknown=0, NotChecked=0, Total=1122 [2024-10-11 23:32:34,181 INFO L432 NwaCegarLoop]: 367 mSDtfsCounter, 2913 mSDsluCounter, 4194 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2959 SdHoareTripleChecker+Valid, 4561 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:34,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2959 Valid, 4561 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 23:32:34,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2024-10-11 23:32:34,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 2054. [2024-10-11 23:32:34,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2054 states, 2019 states have (on average 1.387815750371471) internal successors, (2802), 2022 states have internal predecessors, (2802), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 23:32:34,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 2054 states and 2862 transitions. [2024-10-11 23:32:34,228 INFO L78 Accepts]: Start accepts. Automaton has 2054 states and 2862 transitions. Word has length 334 [2024-10-11 23:32:34,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:34,229 INFO L471 AbstractCegarLoop]: Abstraction has 2054 states and 2862 transitions. [2024-10-11 23:32:34,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 24.0) internal successors, (672), 28 states have internal predecessors, (672), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:32:34,230 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2862 transitions. [2024-10-11 23:32:34,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2024-10-11 23:32:34,233 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:34,234 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:34,255 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 23:32:34,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 23:32:34,438 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)] === [2024-10-11 23:32:34,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:34,438 INFO L85 PathProgramCache]: Analyzing trace with hash -812807035, now seen corresponding path program 1 times [2024-10-11 23:32:34,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:34,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808040611] [2024-10-11 23:32:34,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:34,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:37,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:32:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:37,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:32:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:37,066 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:37,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:37,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808040611] [2024-10-11 23:32:37,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808040611] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:32:37,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137333434] [2024-10-11 23:32:37,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:37,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:32:37,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:32:37,069 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:32:37,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 23:32:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:37,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 1688 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-11 23:32:37,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:32:38,143 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:38,143 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:32:38,547 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:38,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137333434] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:32:38,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:32:38,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 28 [2024-10-11 23:32:38,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46306943] [2024-10-11 23:32:38,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:32:38,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-11 23:32:38,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:38,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-11 23:32:38,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=552, Unknown=0, NotChecked=0, Total=812 [2024-10-11 23:32:38,550 INFO L87 Difference]: Start difference. First operand 2054 states and 2862 transitions. Second operand has 29 states, 28 states have (on average 24.107142857142858) internal successors, (675), 28 states have internal predecessors, (675), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:32:39,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:39,360 INFO L93 Difference]: Finished difference Result 2070 states and 2914 transitions. [2024-10-11 23:32:39,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-11 23:32:39,360 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 24.107142857142858) internal successors, (675), 28 states have internal predecessors, (675), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 335 [2024-10-11 23:32:39,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:39,368 INFO L225 Difference]: With dead ends: 2070 [2024-10-11 23:32:39,369 INFO L226 Difference]: Without dead ends: 2069 [2024-10-11 23:32:39,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 687 GetRequests, 655 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=340, Invalid=782, Unknown=0, NotChecked=0, Total=1122 [2024-10-11 23:32:39,370 INFO L432 NwaCegarLoop]: 282 mSDtfsCounter, 3816 mSDsluCounter, 4435 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3862 SdHoareTripleChecker+Valid, 4717 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:39,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3862 Valid, 4717 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 23:32:39,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2024-10-11 23:32:39,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 2055. [2024-10-11 23:32:39,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2055 states, 2020 states have (on average 1.385148514851485) internal successors, (2798), 2023 states have internal predecessors, (2798), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 23:32:39,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 2055 states and 2858 transitions. [2024-10-11 23:32:39,418 INFO L78 Accepts]: Start accepts. Automaton has 2055 states and 2858 transitions. Word has length 335 [2024-10-11 23:32:39,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:39,419 INFO L471 AbstractCegarLoop]: Abstraction has 2055 states and 2858 transitions. [2024-10-11 23:32:39,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 24.107142857142858) internal successors, (675), 28 states have internal predecessors, (675), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:32:39,419 INFO L276 IsEmpty]: Start isEmpty. Operand 2055 states and 2858 transitions. [2024-10-11 23:32:39,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2024-10-11 23:32:39,431 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:39,431 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:39,452 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 23:32:39,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-11 23:32:39,632 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:32:39,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:39,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1116250346, now seen corresponding path program 2 times [2024-10-11 23:32:39,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:39,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092558745] [2024-10-11 23:32:39,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:39,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:41,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:32:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:41,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:32:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:41,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1657 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:41,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:41,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092558745] [2024-10-11 23:32:41,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092558745] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:32:41,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63945945] [2024-10-11 23:32:41,527 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 23:32:41,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:32:41,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:32:41,529 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:32:41,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 23:32:42,439 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 23:32:42,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 23:32:42,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 2765 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 23:32:42,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:32:43,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1657 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:43,005 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:32:43,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1657 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:43,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63945945] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:32:43,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:32:43,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 22 [2024-10-11 23:32:43,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859804888] [2024-10-11 23:32:43,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:32:43,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-11 23:32:43,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:43,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-11 23:32:43,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2024-10-11 23:32:43,693 INFO L87 Difference]: Start difference. First operand 2055 states and 2858 transitions. Second operand has 22 states, 22 states have (on average 33.36363636363637) internal successors, (734), 21 states have internal predecessors, (734), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:32:44,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:44,147 INFO L93 Difference]: Finished difference Result 2063 states and 2896 transitions. [2024-10-11 23:32:44,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-11 23:32:44,148 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 33.36363636363637) internal successors, (734), 21 states have internal predecessors, (734), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 571 [2024-10-11 23:32:44,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:44,160 INFO L225 Difference]: With dead ends: 2063 [2024-10-11 23:32:44,162 INFO L226 Difference]: Without dead ends: 2057 [2024-10-11 23:32:44,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1160 GetRequests, 1129 SyntacticMatches, 11 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2024-10-11 23:32:44,164 INFO L432 NwaCegarLoop]: 411 mSDtfsCounter, 3307 mSDsluCounter, 4742 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3359 SdHoareTripleChecker+Valid, 5153 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:44,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3359 Valid, 5153 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 23:32:44,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2024-10-11 23:32:44,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 2055. [2024-10-11 23:32:44,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2055 states, 2020 states have (on average 1.3836633663366336) internal successors, (2795), 2023 states have internal predecessors, (2795), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 23:32:44,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 2055 states and 2855 transitions. [2024-10-11 23:32:44,234 INFO L78 Accepts]: Start accepts. Automaton has 2055 states and 2855 transitions. Word has length 571 [2024-10-11 23:32:44,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:44,235 INFO L471 AbstractCegarLoop]: Abstraction has 2055 states and 2855 transitions. [2024-10-11 23:32:44,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 33.36363636363637) internal successors, (734), 21 states have internal predecessors, (734), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:32:44,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2055 states and 2855 transitions. [2024-10-11 23:32:44,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 809 [2024-10-11 23:32:44,256 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:44,257 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:44,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 23:32:44,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:32:44,458 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:32:44,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:44,458 INFO L85 PathProgramCache]: Analyzing trace with hash -808876382, now seen corresponding path program 3 times [2024-10-11 23:32:44,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:44,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586659632] [2024-10-11 23:32:44,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:44,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms