./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 14:40:09,908 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 14:40:09,969 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 14:40:09,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 14:40:09,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 14:40:09,996 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 14:40:09,996 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 14:40:09,996 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 14:40:09,997 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 14:40:09,997 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 14:40:09,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 14:40:09,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 14:40:09,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 14:40:10,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 14:40:10,001 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 14:40:10,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 14:40:10,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 14:40:10,002 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 14:40:10,002 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 14:40:10,002 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 14:40:10,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 14:40:10,005 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 14:40:10,005 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 14:40:10,006 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 14:40:10,006 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 14:40:10,006 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 14:40:10,006 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 14:40:10,006 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 14:40:10,006 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 14:40:10,006 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 14:40:10,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 14:40:10,007 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 14:40:10,007 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 14:40:10,007 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 14:40:10,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:40:10,007 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 14:40:10,007 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 14:40:10,008 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 14:40:10,008 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 14:40:10,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 14:40:10,008 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 14:40:10,008 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 14:40:10,009 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 14:40:10,009 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 14:40:10,009 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2024-11-09 14:40:10,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 14:40:10,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 14:40:10,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 14:40:10,226 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 14:40:10,226 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 14:40:10,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-1.i [2024-11-09 14:40:11,458 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 14:40:11,697 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 14:40:11,698 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-1.i [2024-11-09 14:40:11,720 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd4ae80cb/45400424b3ab4226974d795db277b6c1/FLAGf9167ee87 [2024-11-09 14:40:12,013 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd4ae80cb/45400424b3ab4226974d795db277b6c1 [2024-11-09 14:40:12,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 14:40:12,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 14:40:12,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 14:40:12,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 14:40:12,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 14:40:12,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:40:12" (1/1) ... [2024-11-09 14:40:12,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ee89db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:40:12, skipping insertion in model container [2024-11-09 14:40:12,023 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:40:12" (1/1) ... [2024-11-09 14:40:12,061 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 14:40:12,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:40:12,438 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 14:40:12,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:40:12,553 INFO L204 MainTranslator]: Completed translation [2024-11-09 14:40:12,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:40:12 WrapperNode [2024-11-09 14:40:12,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 14:40:12,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 14:40:12,555 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 14:40:12,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 14:40:12,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:40:12" (1/1) ... [2024-11-09 14:40:12,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:40:12" (1/1) ... [2024-11-09 14:40:12,654 INFO L138 Inliner]: procedures = 176, calls = 326, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1555 [2024-11-09 14:40:12,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 14:40:12,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 14:40:12,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 14:40:12,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 14:40:12,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:40:12" (1/1) ... [2024-11-09 14:40:12,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:40:12" (1/1) ... [2024-11-09 14:40:12,672 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:40:12" (1/1) ... [2024-11-09 14:40:12,738 INFO L175 MemorySlicer]: Split 309 memory accesses to 2 slices as follows [2, 307]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 82 writes are split as follows [0, 82]. [2024-11-09 14:40:12,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:40:12" (1/1) ... [2024-11-09 14:40:12,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:40:12" (1/1) ... [2024-11-09 14:40:12,778 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:40:12" (1/1) ... [2024-11-09 14:40:12,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:40:12" (1/1) ... [2024-11-09 14:40:12,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:40:12" (1/1) ... [2024-11-09 14:40:12,808 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:40:12" (1/1) ... [2024-11-09 14:40:12,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 14:40:12,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 14:40:12,821 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 14:40:12,821 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 14:40:12,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:40:12" (1/1) ... [2024-11-09 14:40:12,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:40:12,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:40:12,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 14:40:12,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 14:40:12,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 14:40:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 14:40:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 14:40:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 14:40:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-09 14:40:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-09 14:40:12,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-09 14:40:12,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-09 14:40:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 14:40:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 14:40:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 14:40:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 14:40:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 14:40:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 14:40:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 14:40:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 14:40:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 14:40:12,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 14:40:12,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 14:40:13,067 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 14:40:13,069 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 14:40:14,166 INFO L? ?]: Removed 381 outVars from TransFormulas that were not future-live. [2024-11-09 14:40:14,166 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 14:40:14,183 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 14:40:14,185 INFO L316 CfgBuilder]: Removed 60 assume(true) statements. [2024-11-09 14:40:14,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:40:14 BoogieIcfgContainer [2024-11-09 14:40:14,186 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 14:40:14,188 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 14:40:14,189 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 14:40:14,191 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 14:40:14,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:40:12" (1/3) ... [2024-11-09 14:40:14,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2703f49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:40:14, skipping insertion in model container [2024-11-09 14:40:14,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:40:12" (2/3) ... [2024-11-09 14:40:14,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2703f49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:40:14, skipping insertion in model container [2024-11-09 14:40:14,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:40:14" (3/3) ... [2024-11-09 14:40:14,193 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_nondet_test4-1.i [2024-11-09 14:40:14,205 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 14:40:14,206 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 14:40:14,259 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 14:40:14,265 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;@1e689b53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 14:40:14,265 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-09 14:40:14,270 INFO L276 IsEmpty]: Start isEmpty. Operand has 412 states, 400 states have (on average 1.615) internal successors, (646), 404 states have internal predecessors, (646), 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) [2024-11-09 14:40:14,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 14:40:14,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:14,275 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:14,276 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:14,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:14,281 INFO L85 PathProgramCache]: Analyzing trace with hash -699476840, now seen corresponding path program 1 times [2024-11-09 14:40:14,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:14,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674069409] [2024-11-09 14:40:14,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:14,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:14,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:40:14,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:14,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674069409] [2024-11-09 14:40:14,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674069409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:40:14,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:40:14,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 14:40:14,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986958731] [2024-11-09 14:40:14,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:40:14,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 14:40:14,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:14,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 14:40:14,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 14:40:14,436 INFO L87 Difference]: Start difference. First operand has 412 states, 400 states have (on average 1.615) internal successors, (646), 404 states have internal predecessors, (646), 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) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:40:14,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:14,492 INFO L93 Difference]: Finished difference Result 819 states and 1311 transitions. [2024-11-09 14:40:14,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 14:40:14,495 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2024-11-09 14:40:14,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:14,503 INFO L225 Difference]: With dead ends: 819 [2024-11-09 14:40:14,503 INFO L226 Difference]: Without dead ends: 398 [2024-11-09 14:40:14,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 14:40:14,509 INFO L432 NwaCegarLoop]: 587 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:14,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 14:40:14,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-09 14:40:14,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2024-11-09 14:40:14,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 388 states have (on average 1.443298969072165) internal successors, (560), 390 states have internal predecessors, (560), 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) [2024-11-09 14:40:14,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 572 transitions. [2024-11-09 14:40:14,558 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 572 transitions. Word has length 7 [2024-11-09 14:40:14,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:14,558 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 572 transitions. [2024-11-09 14:40:14,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:40:14,559 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 572 transitions. [2024-11-09 14:40:14,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 14:40:14,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:14,562 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:14,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 14:40:14,562 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:14,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:14,563 INFO L85 PathProgramCache]: Analyzing trace with hash -208885906, now seen corresponding path program 1 times [2024-11-09 14:40:14,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:14,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369778750] [2024-11-09 14:40:14,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:14,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 14:40:14,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1814526441] [2024-11-09 14:40:14,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:14,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:40:14,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:40:14,596 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 14:40:14,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 14:40:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:14,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 14:40:14,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:40:14,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:40:14,751 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:40:14,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:14,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369778750] [2024-11-09 14:40:14,752 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 14:40:14,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814526441] [2024-11-09 14:40:14,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814526441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:40:14,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:40:14,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 14:40:14,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828204891] [2024-11-09 14:40:14,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:40:14,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 14:40:14,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:14,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 14:40:14,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 14:40:14,755 INFO L87 Difference]: Start difference. First operand 398 states and 572 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:40:14,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:14,827 INFO L93 Difference]: Finished difference Result 785 states and 1133 transitions. [2024-11-09 14:40:14,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 14:40:14,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2024-11-09 14:40:14,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:14,831 INFO L225 Difference]: With dead ends: 785 [2024-11-09 14:40:14,832 INFO L226 Difference]: Without dead ends: 784 [2024-11-09 14:40:14,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 14:40:14,833 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 543 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 1178 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:14,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 1178 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 14:40:14,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2024-11-09 14:40:14,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 403. [2024-11-09 14:40:14,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 393 states have (on average 1.4376590330788803) internal successors, (565), 395 states have internal predecessors, (565), 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) [2024-11-09 14:40:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 577 transitions. [2024-11-09 14:40:14,854 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 577 transitions. Word has length 8 [2024-11-09 14:40:14,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:14,854 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 577 transitions. [2024-11-09 14:40:14,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:40:14,855 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 577 transitions. [2024-11-09 14:40:14,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-09 14:40:14,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:14,861 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:14,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 14:40:15,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:40:15,066 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:15,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:15,067 INFO L85 PathProgramCache]: Analyzing trace with hash 839446148, now seen corresponding path program 1 times [2024-11-09 14:40:15,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:15,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838325214] [2024-11-09 14:40:15,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:15,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:15,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:40:15,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:15,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838325214] [2024-11-09 14:40:15,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838325214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:40:15,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:40:15,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 14:40:15,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543052039] [2024-11-09 14:40:15,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:40:15,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:40:15,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:15,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:40:15,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:40:15,486 INFO L87 Difference]: Start difference. First operand 403 states and 577 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:40:15,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:15,564 INFO L93 Difference]: Finished difference Result 801 states and 1149 transitions. [2024-11-09 14:40:15,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:40:15,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 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 152 [2024-11-09 14:40:15,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:15,571 INFO L225 Difference]: With dead ends: 801 [2024-11-09 14:40:15,571 INFO L226 Difference]: Without dead ends: 406 [2024-11-09 14:40:15,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 14:40:15,573 INFO L432 NwaCegarLoop]: 544 mSDtfsCounter, 105 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:15,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1539 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 14:40:15,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-09 14:40:15,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 403. [2024-11-09 14:40:15,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 393 states have (on average 1.4198473282442747) internal successors, (558), 395 states have internal predecessors, (558), 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) [2024-11-09 14:40:15,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 570 transitions. [2024-11-09 14:40:15,592 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 570 transitions. Word has length 152 [2024-11-09 14:40:15,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:15,592 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 570 transitions. [2024-11-09 14:40:15,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:40:15,593 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 570 transitions. [2024-11-09 14:40:15,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-09 14:40:15,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:15,596 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:15,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 14:40:15,596 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:15,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:15,597 INFO L85 PathProgramCache]: Analyzing trace with hash -609280240, now seen corresponding path program 1 times [2024-11-09 14:40:15,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:15,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779721485] [2024-11-09 14:40:15,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:15,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:15,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:40:15,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:15,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779721485] [2024-11-09 14:40:15,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779721485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:40:15,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:40:15,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 14:40:15,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467305980] [2024-11-09 14:40:15,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:40:15,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 14:40:15,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:15,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 14:40:15,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 14:40:15,813 INFO L87 Difference]: Start difference. First operand 403 states and 570 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:40:15,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:15,848 INFO L93 Difference]: Finished difference Result 925 states and 1319 transitions. [2024-11-09 14:40:15,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 14:40:15,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 152 [2024-11-09 14:40:15,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:15,851 INFO L225 Difference]: With dead ends: 925 [2024-11-09 14:40:15,852 INFO L226 Difference]: Without dead ends: 530 [2024-11-09 14:40:15,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 14:40:15,855 INFO L432 NwaCegarLoop]: 564 mSDtfsCounter, 134 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1120 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:15,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1120 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 14:40:15,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-11-09 14:40:15,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 530. [2024-11-09 14:40:15,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 520 states have (on average 1.4307692307692308) internal successors, (744), 522 states have internal predecessors, (744), 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) [2024-11-09 14:40:15,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 756 transitions. [2024-11-09 14:40:15,869 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 756 transitions. Word has length 152 [2024-11-09 14:40:15,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:15,870 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 756 transitions. [2024-11-09 14:40:15,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:40:15,870 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 756 transitions. [2024-11-09 14:40:15,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-09 14:40:15,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:15,873 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:15,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 14:40:15,873 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:15,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:15,874 INFO L85 PathProgramCache]: Analyzing trace with hash -2005985026, now seen corresponding path program 1 times [2024-11-09 14:40:15,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:15,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527016208] [2024-11-09 14:40:15,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:15,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:16,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 14:40:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:16,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 14:40:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:16,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:40:16,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:16,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527016208] [2024-11-09 14:40:16,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527016208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:40:16,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:40:16,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 14:40:16,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009314645] [2024-11-09 14:40:16,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:40:16,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 14:40:16,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:16,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 14:40:16,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 14:40:16,199 INFO L87 Difference]: Start difference. First operand 530 states and 756 transitions. Second operand has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 14:40:16,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:16,459 INFO L93 Difference]: Finished difference Result 886 states and 1261 transitions. [2024-11-09 14:40:16,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 14:40:16,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 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 167 [2024-11-09 14:40:16,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:16,464 INFO L225 Difference]: With dead ends: 886 [2024-11-09 14:40:16,465 INFO L226 Difference]: Without dead ends: 491 [2024-11-09 14:40:16,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 14:40:16,466 INFO L432 NwaCegarLoop]: 460 mSDtfsCounter, 36 mSDsluCounter, 1274 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 1734 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:16,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 1734 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 14:40:16,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-11-09 14:40:16,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 488. [2024-11-09 14:40:16,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 478 states have (on average 1.395397489539749) internal successors, (667), 480 states have internal predecessors, (667), 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) [2024-11-09 14:40:16,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 679 transitions. [2024-11-09 14:40:16,477 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 679 transitions. Word has length 167 [2024-11-09 14:40:16,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:16,477 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 679 transitions. [2024-11-09 14:40:16,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 14:40:16,479 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 679 transitions. [2024-11-09 14:40:16,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-09 14:40:16,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:16,481 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:16,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 14:40:16,481 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:16,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:16,482 INFO L85 PathProgramCache]: Analyzing trace with hash 975176620, now seen corresponding path program 1 times [2024-11-09 14:40:16,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:16,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316140679] [2024-11-09 14:40:16,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:16,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:16,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 14:40:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:16,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 14:40:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:16,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:40:16,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:16,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316140679] [2024-11-09 14:40:16,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316140679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:40:16,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:40:16,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 14:40:16,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364958382] [2024-11-09 14:40:16,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:40:16,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:40:16,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:16,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:40:16,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:40:16,708 INFO L87 Difference]: Start difference. First operand 488 states and 679 transitions. Second operand has 4 states, 4 states have (on average 40.0) internal successors, (160), 3 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 14:40:16,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:16,914 INFO L93 Difference]: Finished difference Result 844 states and 1173 transitions. [2024-11-09 14:40:16,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:40:16,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 3 states have internal predecessors, (160), 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 167 [2024-11-09 14:40:16,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:16,916 INFO L225 Difference]: With dead ends: 844 [2024-11-09 14:40:16,916 INFO L226 Difference]: Without dead ends: 491 [2024-11-09 14:40:16,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:40:16,917 INFO L432 NwaCegarLoop]: 475 mSDtfsCounter, 5 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1316 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:16,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1316 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 14:40:16,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-11-09 14:40:16,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 488. [2024-11-09 14:40:16,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 478 states have (on average 1.389121338912134) internal successors, (664), 480 states have internal predecessors, (664), 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) [2024-11-09 14:40:16,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 676 transitions. [2024-11-09 14:40:16,926 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 676 transitions. Word has length 167 [2024-11-09 14:40:16,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:16,926 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 676 transitions. [2024-11-09 14:40:16,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 3 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 14:40:16,927 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 676 transitions. [2024-11-09 14:40:16,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-09 14:40:16,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:16,928 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:16,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 14:40:16,928 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:16,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:16,929 INFO L85 PathProgramCache]: Analyzing trace with hash -2021245198, now seen corresponding path program 1 times [2024-11-09 14:40:16,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:16,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317533559] [2024-11-09 14:40:16,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:16,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:17,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 14:40:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:17,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 14:40:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:17,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:40:17,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:17,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317533559] [2024-11-09 14:40:17,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317533559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:40:17,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:40:17,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 14:40:17,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382770606] [2024-11-09 14:40:17,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:40:17,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:40:17,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:17,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:40:17,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:40:17,137 INFO L87 Difference]: Start difference. First operand 488 states and 676 transitions. Second operand has 4 states, 4 states have (on average 40.0) internal successors, (160), 3 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 14:40:17,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:17,371 INFO L93 Difference]: Finished difference Result 990 states and 1365 transitions. [2024-11-09 14:40:17,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:40:17,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 3 states have internal predecessors, (160), 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 167 [2024-11-09 14:40:17,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:17,374 INFO L225 Difference]: With dead ends: 990 [2024-11-09 14:40:17,374 INFO L226 Difference]: Without dead ends: 637 [2024-11-09 14:40:17,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:40:17,376 INFO L432 NwaCegarLoop]: 480 mSDtfsCounter, 246 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 1343 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:17,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 1343 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 14:40:17,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-09 14:40:17,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 634. [2024-11-09 14:40:17,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 621 states have (on average 1.3719806763285025) internal successors, (852), 623 states have internal predecessors, (852), 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) [2024-11-09 14:40:17,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 870 transitions. [2024-11-09 14:40:17,389 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 870 transitions. Word has length 167 [2024-11-09 14:40:17,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:17,389 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 870 transitions. [2024-11-09 14:40:17,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 3 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 14:40:17,389 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 870 transitions. [2024-11-09 14:40:17,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-09 14:40:17,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:17,391 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:17,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 14:40:17,391 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:17,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:17,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1396052746, now seen corresponding path program 1 times [2024-11-09 14:40:17,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:17,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27561664] [2024-11-09 14:40:17,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:17,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:17,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 14:40:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:17,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 14:40:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:17,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 14:40:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:17,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 14:40:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:17,729 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 14:40:17,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:17,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27561664] [2024-11-09 14:40:17,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27561664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:40:17,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:40:17,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 14:40:17,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518234008] [2024-11-09 14:40:17,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:40:17,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 14:40:17,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:17,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 14:40:17,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 14:40:17,733 INFO L87 Difference]: Start difference. First operand 634 states and 870 transitions. Second operand has 5 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:40:18,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:18,059 INFO L93 Difference]: Finished difference Result 703 states and 971 transitions. [2024-11-09 14:40:18,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 14:40:18,060 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 182 [2024-11-09 14:40:18,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:18,062 INFO L225 Difference]: With dead ends: 703 [2024-11-09 14:40:18,062 INFO L226 Difference]: Without dead ends: 701 [2024-11-09 14:40:18,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 14:40:18,063 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 298 mSDsluCounter, 1396 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1913 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:18,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 1913 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 14:40:18,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2024-11-09 14:40:18,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 698. [2024-11-09 14:40:18,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 682 states have (on average 1.3636363636363635) internal successors, (930), 684 states have internal predecessors, (930), 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) [2024-11-09 14:40:18,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 954 transitions. [2024-11-09 14:40:18,077 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 954 transitions. Word has length 182 [2024-11-09 14:40:18,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:18,078 INFO L471 AbstractCegarLoop]: Abstraction has 698 states and 954 transitions. [2024-11-09 14:40:18,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:40:18,078 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 954 transitions. [2024-11-09 14:40:18,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-09 14:40:18,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:18,079 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:18,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 14:40:18,080 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:18,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:18,080 INFO L85 PathProgramCache]: Analyzing trace with hash -490428647, now seen corresponding path program 1 times [2024-11-09 14:40:18,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:18,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227832971] [2024-11-09 14:40:18,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:18,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:18,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 14:40:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:18,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 14:40:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:18,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 14:40:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:18,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 14:40:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:18,768 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 14:40:18,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:18,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227832971] [2024-11-09 14:40:18,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227832971] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:40:18,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529358815] [2024-11-09 14:40:18,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:18,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:40:18,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:40:18,771 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 14:40:18,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 14:40:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:19,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 14:40:19,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:40:19,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 14:40:19,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-09 14:40:19,661 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 14:40:19,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 38 [2024-11-09 14:40:19,918 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 14:40:19,919 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:40:19,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529358815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:40:19,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:40:19,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-09 14:40:19,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329876955] [2024-11-09 14:40:19,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:40:19,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 14:40:19,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:19,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 14:40:19,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-09 14:40:19,920 INFO L87 Difference]: Start difference. First operand 698 states and 954 transitions. Second operand has 11 states, 11 states have (on average 15.545454545454545) internal successors, (171), 11 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:40:21,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:21,876 INFO L93 Difference]: Finished difference Result 1361 states and 1854 transitions. [2024-11-09 14:40:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 14:40:21,876 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.545454545454545) internal successors, (171), 11 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 188 [2024-11-09 14:40:21,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:21,879 INFO L225 Difference]: With dead ends: 1361 [2024-11-09 14:40:21,879 INFO L226 Difference]: Without dead ends: 751 [2024-11-09 14:40:21,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2024-11-09 14:40:21,882 INFO L432 NwaCegarLoop]: 519 mSDtfsCounter, 746 mSDsluCounter, 2578 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 3097 SdHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:21,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [751 Valid, 3097 Invalid, 1222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1215 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 14:40:21,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2024-11-09 14:40:21,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 732. [2024-11-09 14:40:21,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 716 states have (on average 1.3589385474860336) internal successors, (973), 718 states have internal predecessors, (973), 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) [2024-11-09 14:40:21,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 997 transitions. [2024-11-09 14:40:21,898 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 997 transitions. Word has length 188 [2024-11-09 14:40:21,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:21,898 INFO L471 AbstractCegarLoop]: Abstraction has 732 states and 997 transitions. [2024-11-09 14:40:21,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.545454545454545) internal successors, (171), 11 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:40:21,898 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 997 transitions. [2024-11-09 14:40:21,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-09 14:40:21,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:21,900 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:21,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 14:40:22,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-09 14:40:22,101 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:22,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:22,101 INFO L85 PathProgramCache]: Analyzing trace with hash 913440539, now seen corresponding path program 1 times [2024-11-09 14:40:22,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:22,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461337038] [2024-11-09 14:40:22,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:22,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:22,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 14:40:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:22,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 14:40:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:22,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 14:40:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:22,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 14:40:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:22,291 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 14:40:22,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:22,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461337038] [2024-11-09 14:40:22,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461337038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:40:22,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:40:22,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 14:40:22,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057523896] [2024-11-09 14:40:22,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:40:22,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 14:40:22,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:22,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 14:40:22,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 14:40:22,293 INFO L87 Difference]: Start difference. First operand 732 states and 997 transitions. Second operand has 5 states, 5 states have (on average 34.2) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:40:22,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:22,602 INFO L93 Difference]: Finished difference Result 1307 states and 1782 transitions. [2024-11-09 14:40:22,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 14:40:22,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 188 [2024-11-09 14:40:22,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:22,605 INFO L225 Difference]: With dead ends: 1307 [2024-11-09 14:40:22,605 INFO L226 Difference]: Without dead ends: 605 [2024-11-09 14:40:22,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 14:40:22,607 INFO L432 NwaCegarLoop]: 385 mSDtfsCounter, 12 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1436 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:22,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1436 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 14:40:22,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-11-09 14:40:22,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 602. [2024-11-09 14:40:22,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 586 states have (on average 1.3122866894197953) internal successors, (769), 588 states have internal predecessors, (769), 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) [2024-11-09 14:40:22,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 793 transitions. [2024-11-09 14:40:22,625 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 793 transitions. Word has length 188 [2024-11-09 14:40:22,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:22,626 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 793 transitions. [2024-11-09 14:40:22,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:40:22,626 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 793 transitions. [2024-11-09 14:40:22,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-09 14:40:22,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:22,627 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:22,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 14:40:22,627 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:22,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:22,628 INFO L85 PathProgramCache]: Analyzing trace with hash 174743233, now seen corresponding path program 1 times [2024-11-09 14:40:22,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:22,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436816240] [2024-11-09 14:40:22,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:22,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:23,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 14:40:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:23,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 14:40:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:23,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-09 14:40:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:23,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 14:40:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:23,178 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 14:40:23,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:23,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436816240] [2024-11-09 14:40:23,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436816240] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:40:23,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832530069] [2024-11-09 14:40:23,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:23,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:40:23,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:40:23,180 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 14:40:23,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 14:40:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:23,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 14:40:23,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:40:23,692 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 14:40:23,693 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:40:23,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832530069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:40:23,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:40:23,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-09 14:40:23,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830508652] [2024-11-09 14:40:23,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:40:23,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:40:23,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:23,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:40:23,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 14:40:23,695 INFO L87 Difference]: Start difference. First operand 602 states and 793 transitions. Second operand has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:40:23,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:23,790 INFO L93 Difference]: Finished difference Result 1164 states and 1544 transitions. [2024-11-09 14:40:23,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:40:23,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 189 [2024-11-09 14:40:23,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:23,793 INFO L225 Difference]: With dead ends: 1164 [2024-11-09 14:40:23,794 INFO L226 Difference]: Without dead ends: 602 [2024-11-09 14:40:23,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 14:40:23,795 INFO L432 NwaCegarLoop]: 392 mSDtfsCounter, 13 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1051 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:23,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1051 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 14:40:23,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-11-09 14:40:23,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2024-11-09 14:40:23,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 586 states have (on average 1.3088737201365188) internal successors, (767), 588 states have internal predecessors, (767), 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) [2024-11-09 14:40:23,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 791 transitions. [2024-11-09 14:40:23,809 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 791 transitions. Word has length 189 [2024-11-09 14:40:23,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:23,809 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 791 transitions. [2024-11-09 14:40:23,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:40:23,810 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 791 transitions. [2024-11-09 14:40:23,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 14:40:23,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:23,811 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:23,828 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 14:40:24,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:40:24,012 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:24,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:24,013 INFO L85 PathProgramCache]: Analyzing trace with hash -238897548, now seen corresponding path program 1 times [2024-11-09 14:40:24,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:24,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693635501] [2024-11-09 14:40:24,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:24,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:24,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 14:40:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:24,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 14:40:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:24,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 14:40:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:24,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 14:40:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:24,385 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 14:40:24,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:24,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693635501] [2024-11-09 14:40:24,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693635501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:40:24,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:40:24,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 14:40:24,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340546478] [2024-11-09 14:40:24,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:40:24,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 14:40:24,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:24,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 14:40:24,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 14:40:24,388 INFO L87 Difference]: Start difference. First operand 602 states and 791 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 6 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:40:24,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:24,790 INFO L93 Difference]: Finished difference Result 1170 states and 1561 transitions. [2024-11-09 14:40:24,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 14:40:24,791 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 6 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2024-11-09 14:40:24,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:24,793 INFO L225 Difference]: With dead ends: 1170 [2024-11-09 14:40:24,793 INFO L226 Difference]: Without dead ends: 611 [2024-11-09 14:40:24,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 14:40:24,795 INFO L432 NwaCegarLoop]: 390 mSDtfsCounter, 7 mSDsluCounter, 1569 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1959 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:24,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1959 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 14:40:24,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2024-11-09 14:40:24,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 608. [2024-11-09 14:40:24,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 592 states have (on average 1.3057432432432432) internal successors, (773), 594 states have internal predecessors, (773), 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) [2024-11-09 14:40:24,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 797 transitions. [2024-11-09 14:40:24,807 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 797 transitions. Word has length 190 [2024-11-09 14:40:24,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:24,808 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 797 transitions. [2024-11-09 14:40:24,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 6 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:40:24,808 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 797 transitions. [2024-11-09 14:40:24,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-09 14:40:24,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:24,809 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:24,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 14:40:24,810 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:24,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:24,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1630326338, now seen corresponding path program 1 times [2024-11-09 14:40:24,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:24,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576532219] [2024-11-09 14:40:24,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:24,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:25,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 14:40:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:25,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 14:40:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:25,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 14:40:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:25,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 14:40:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:25,413 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 14:40:25,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:25,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576532219] [2024-11-09 14:40:25,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576532219] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:40:25,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674701260] [2024-11-09 14:40:25,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:25,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:40:25,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:40:25,415 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 14:40:25,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 14:40:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:25,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 14:40:25,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:40:25,952 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 14:40:25,954 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:40:25,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674701260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:40:25,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:40:25,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-09 14:40:25,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78261272] [2024-11-09 14:40:25,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:40:25,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 14:40:25,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:25,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 14:40:25,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 14:40:25,957 INFO L87 Difference]: Start difference. First operand 608 states and 797 transitions. Second operand has 5 states, 5 states have (on average 35.4) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 14:40:26,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:26,019 INFO L93 Difference]: Finished difference Result 1126 states and 1490 transitions. [2024-11-09 14:40:26,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 14:40:26,020 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.4) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 191 [2024-11-09 14:40:26,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:26,022 INFO L225 Difference]: With dead ends: 1126 [2024-11-09 14:40:26,023 INFO L226 Difference]: Without dead ends: 611 [2024-11-09 14:40:26,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 14:40:26,024 INFO L432 NwaCegarLoop]: 392 mSDtfsCounter, 369 mSDsluCounter, 1165 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:26,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 1557 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 14:40:26,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2024-11-09 14:40:26,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 611. [2024-11-09 14:40:26,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 594 states have (on average 1.3063973063973064) internal successors, (776), 597 states have internal predecessors, (776), 12 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-09 14:40:26,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 804 transitions. [2024-11-09 14:40:26,038 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 804 transitions. Word has length 191 [2024-11-09 14:40:26,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:26,039 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 804 transitions. [2024-11-09 14:40:26,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.4) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 14:40:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 804 transitions. [2024-11-09 14:40:26,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-09 14:40:26,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:26,041 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:26,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 14:40:26,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:40:26,241 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:26,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:26,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1003054970, now seen corresponding path program 1 times [2024-11-09 14:40:26,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:26,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699544061] [2024-11-09 14:40:26,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:26,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:26,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 14:40:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:26,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 14:40:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:26,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-09 14:40:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:26,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-09 14:40:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:26,857 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 14:40:26,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:26,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699544061] [2024-11-09 14:40:26,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699544061] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:40:26,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36855547] [2024-11-09 14:40:26,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:26,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:40:26,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:40:26,859 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 14:40:26,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 14:40:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:27,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 14:40:27,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:40:27,693 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 14:40:27,694 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 14:40:28,059 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 14:40:28,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36855547] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 14:40:28,059 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 14:40:28,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 8] total 15 [2024-11-09 14:40:28,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669301471] [2024-11-09 14:40:28,059 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 14:40:28,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 14:40:28,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:28,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 14:40:28,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-09 14:40:28,061 INFO L87 Difference]: Start difference. First operand 611 states and 804 transitions. Second operand has 15 states, 15 states have (on average 23.8) internal successors, (357), 14 states have internal predecessors, (357), 4 states have call successors, (12), 3 states have call predecessors, (12), 5 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 14:40:28,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:28,544 INFO L93 Difference]: Finished difference Result 1140 states and 1520 transitions. [2024-11-09 14:40:28,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 14:40:28,545 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 23.8) internal successors, (357), 14 states have internal predecessors, (357), 4 states have call successors, (12), 3 states have call predecessors, (12), 5 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 195 [2024-11-09 14:40:28,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:28,547 INFO L225 Difference]: With dead ends: 1140 [2024-11-09 14:40:28,547 INFO L226 Difference]: Without dead ends: 620 [2024-11-09 14:40:28,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2024-11-09 14:40:28,548 INFO L432 NwaCegarLoop]: 392 mSDtfsCounter, 314 mSDsluCounter, 3400 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 3792 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:28,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 3792 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 14:40:28,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2024-11-09 14:40:28,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 620. [2024-11-09 14:40:28,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 602 states have (on average 1.308970099667774) internal successors, (788), 605 states have internal predecessors, (788), 12 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-09 14:40:28,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 816 transitions. [2024-11-09 14:40:28,561 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 816 transitions. Word has length 195 [2024-11-09 14:40:28,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:28,561 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 816 transitions. [2024-11-09 14:40:28,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 23.8) internal successors, (357), 14 states have internal predecessors, (357), 4 states have call successors, (12), 3 states have call predecessors, (12), 5 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 14:40:28,561 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 816 transitions. [2024-11-09 14:40:28,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-09 14:40:28,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:28,563 INFO L215 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:28,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 14:40:28,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 14:40:28,764 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:28,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:28,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1065960126, now seen corresponding path program 2 times [2024-11-09 14:40:28,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:28,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092437196] [2024-11-09 14:40:28,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:28,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:29,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 14:40:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:29,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 14:40:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:29,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 14:40:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:29,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 14:40:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:29,842 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 5 proven. 71 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-09 14:40:29,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:29,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092437196] [2024-11-09 14:40:29,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092437196] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:40:29,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107331518] [2024-11-09 14:40:29,842 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 14:40:29,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:40:29,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:40:29,844 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 14:40:29,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 14:40:30,753 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 14:40:30,754 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 14:40:30,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 14:40:30,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:40:30,964 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 84 proven. 25 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 14:40:30,965 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 14:40:31,098 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 22 proven. 31 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-09 14:40:31,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107331518] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 14:40:31,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 14:40:31,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 6] total 21 [2024-11-09 14:40:31,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030650278] [2024-11-09 14:40:31,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 14:40:31,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-09 14:40:31,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:31,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-09 14:40:31,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=327, Unknown=0, NotChecked=0, Total=420 [2024-11-09 14:40:31,101 INFO L87 Difference]: Start difference. First operand 620 states and 816 transitions. Second operand has 21 states, 21 states have (on average 12.761904761904763) internal successors, (268), 20 states have internal predecessors, (268), 3 states have call successors, (12), 3 states have call predecessors, (12), 5 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 14:40:31,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:31,614 INFO L93 Difference]: Finished difference Result 1162 states and 1559 transitions. [2024-11-09 14:40:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 14:40:31,615 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 12.761904761904763) internal successors, (268), 20 states have internal predecessors, (268), 3 states have call successors, (12), 3 states have call predecessors, (12), 5 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 203 [2024-11-09 14:40:31,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:31,617 INFO L225 Difference]: With dead ends: 1162 [2024-11-09 14:40:31,618 INFO L226 Difference]: Without dead ends: 631 [2024-11-09 14:40:31,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=203, Invalid=667, Unknown=0, NotChecked=0, Total=870 [2024-11-09 14:40:31,621 INFO L432 NwaCegarLoop]: 379 mSDtfsCounter, 338 mSDsluCounter, 3647 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 4026 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:31,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 4026 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 14:40:31,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-11-09 14:40:31,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 627. [2024-11-09 14:40:31,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 609 states have (on average 1.3119868637110017) internal successors, (799), 612 states have internal predecessors, (799), 12 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-09 14:40:31,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 827 transitions. [2024-11-09 14:40:31,635 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 827 transitions. Word has length 203 [2024-11-09 14:40:31,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:31,635 INFO L471 AbstractCegarLoop]: Abstraction has 627 states and 827 transitions. [2024-11-09 14:40:31,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 12.761904761904763) internal successors, (268), 20 states have internal predecessors, (268), 3 states have call successors, (12), 3 states have call predecessors, (12), 5 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 14:40:31,636 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 827 transitions. [2024-11-09 14:40:31,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-09 14:40:31,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:31,637 INFO L215 NwaCegarLoop]: trace histogram [26, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:31,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 14:40:31,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 14:40:31,838 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:31,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:31,839 INFO L85 PathProgramCache]: Analyzing trace with hash -2096916430, now seen corresponding path program 3 times [2024-11-09 14:40:31,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:31,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332983082] [2024-11-09 14:40:31,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:31,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:32,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 14:40:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:32,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 14:40:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:32,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 14:40:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:32,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-09 14:40:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:32,854 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 5 proven. 165 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-09 14:40:32,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:32,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332983082] [2024-11-09 14:40:32,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332983082] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:40:32,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902011942] [2024-11-09 14:40:32,855 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 14:40:32,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:40:32,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:40:32,857 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 14:40:32,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 14:40:33,600 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 14:40:33,601 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 14:40:33,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-09 14:40:33,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:40:33,792 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-11-09 14:40:33,792 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:40:33,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902011942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:40:33,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:40:33,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-09 14:40:33,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952392565] [2024-11-09 14:40:33,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:40:33,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 14:40:33,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:33,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 14:40:33,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-11-09 14:40:33,794 INFO L87 Difference]: Start difference. First operand 627 states and 827 transitions. Second operand has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:40:34,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:34,158 INFO L93 Difference]: Finished difference Result 1211 states and 1610 transitions. [2024-11-09 14:40:34,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 14:40:34,159 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 217 [2024-11-09 14:40:34,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:34,161 INFO L225 Difference]: With dead ends: 1211 [2024-11-09 14:40:34,161 INFO L226 Difference]: Without dead ends: 637 [2024-11-09 14:40:34,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-11-09 14:40:34,162 INFO L432 NwaCegarLoop]: 381 mSDtfsCounter, 8 mSDsluCounter, 1572 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1953 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:34,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1953 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 14:40:34,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-09 14:40:34,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 635. [2024-11-09 14:40:34,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 617 states have (on average 1.3079416531604537) internal successors, (807), 620 states have internal predecessors, (807), 12 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-09 14:40:34,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 835 transitions. [2024-11-09 14:40:34,177 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 835 transitions. Word has length 217 [2024-11-09 14:40:34,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:34,178 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 835 transitions. [2024-11-09 14:40:34,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:40:34,178 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 835 transitions. [2024-11-09 14:40:34,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-09 14:40:34,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:34,179 INFO L215 NwaCegarLoop]: trace histogram [26, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:34,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 14:40:34,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:40:34,382 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:34,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:34,382 INFO L85 PathProgramCache]: Analyzing trace with hash -2029513650, now seen corresponding path program 1 times [2024-11-09 14:40:34,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:34,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869440586] [2024-11-09 14:40:34,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:34,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:34,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 14:40:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:34,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 14:40:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:34,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 14:40:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:34,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-09 14:40:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:34,826 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-11-09 14:40:34,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:34,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869440586] [2024-11-09 14:40:34,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869440586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:40:34,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:40:34,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 14:40:34,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373824530] [2024-11-09 14:40:34,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:40:34,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 14:40:34,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:34,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 14:40:34,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 14:40:34,829 INFO L87 Difference]: Start difference. First operand 635 states and 835 transitions. Second operand has 8 states, 8 states have (on average 21.875) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:40:35,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:35,237 INFO L93 Difference]: Finished difference Result 1225 states and 1627 transitions. [2024-11-09 14:40:35,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 14:40:35,238 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.875) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 217 [2024-11-09 14:40:35,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:35,240 INFO L225 Difference]: With dead ends: 1225 [2024-11-09 14:40:35,240 INFO L226 Difference]: Without dead ends: 647 [2024-11-09 14:40:35,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 14:40:35,241 INFO L432 NwaCegarLoop]: 385 mSDtfsCounter, 11 mSDsluCounter, 1885 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2270 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:35,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2270 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 14:40:35,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-11-09 14:40:35,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 641. [2024-11-09 14:40:35,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 623 states have (on average 1.3081861958266452) internal successors, (815), 626 states have internal predecessors, (815), 12 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-09 14:40:35,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 843 transitions. [2024-11-09 14:40:35,253 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 843 transitions. Word has length 217 [2024-11-09 14:40:35,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:35,253 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 843 transitions. [2024-11-09 14:40:35,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.875) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:40:35,254 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 843 transitions. [2024-11-09 14:40:35,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-09 14:40:35,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:35,255 INFO L215 NwaCegarLoop]: trace histogram [26, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:35,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 14:40:35,255 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:35,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:35,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1814805444, now seen corresponding path program 1 times [2024-11-09 14:40:35,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:35,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747253747] [2024-11-09 14:40:35,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:35,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:35,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 14:40:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:35,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 14:40:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:35,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 14:40:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:35,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 14:40:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:35,895 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-11-09 14:40:35,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:35,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747253747] [2024-11-09 14:40:35,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747253747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:40:35,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:40:35,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 14:40:35,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784243814] [2024-11-09 14:40:35,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:40:35,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 14:40:35,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:35,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 14:40:35,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 14:40:35,898 INFO L87 Difference]: Start difference. First operand 641 states and 843 transitions. Second operand has 10 states, 10 states have (on average 17.6) internal successors, (176), 9 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:40:36,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:36,340 INFO L93 Difference]: Finished difference Result 1239 states and 1643 transitions. [2024-11-09 14:40:36,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 14:40:36,340 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 9 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 218 [2024-11-09 14:40:36,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:36,343 INFO L225 Difference]: With dead ends: 1239 [2024-11-09 14:40:36,343 INFO L226 Difference]: Without dead ends: 663 [2024-11-09 14:40:36,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 14:40:36,345 INFO L432 NwaCegarLoop]: 384 mSDtfsCounter, 19 mSDsluCounter, 2298 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 2682 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:36,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2682 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 14:40:36,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2024-11-09 14:40:36,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 655. [2024-11-09 14:40:36,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 637 states have (on average 1.3076923076923077) internal successors, (833), 640 states have internal predecessors, (833), 12 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-09 14:40:36,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 861 transitions. [2024-11-09 14:40:36,366 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 861 transitions. Word has length 218 [2024-11-09 14:40:36,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:36,366 INFO L471 AbstractCegarLoop]: Abstraction has 655 states and 861 transitions. [2024-11-09 14:40:36,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 9 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:40:36,367 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 861 transitions. [2024-11-09 14:40:36,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-09 14:40:36,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:36,368 INFO L215 NwaCegarLoop]: trace histogram [26, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:36,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 14:40:36,368 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:36,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:36,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1556499590, now seen corresponding path program 1 times [2024-11-09 14:40:36,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:36,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882081200] [2024-11-09 14:40:36,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:36,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:37,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:40:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:37,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 14:40:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:37,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-09 14:40:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:37,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 14:40:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:37,209 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 5 proven. 165 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-09 14:40:37,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:37,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882081200] [2024-11-09 14:40:37,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882081200] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:40:37,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688382517] [2024-11-09 14:40:37,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:37,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:40:37,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:40:37,212 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 14:40:37,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 14:40:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:37,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 1421 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 14:40:37,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:40:38,004 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-11-09 14:40:38,004 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:40:38,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688382517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:40:38,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:40:38,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-09 14:40:38,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640740389] [2024-11-09 14:40:38,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:40:38,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 14:40:38,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:38,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 14:40:38,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-11-09 14:40:38,006 INFO L87 Difference]: Start difference. First operand 655 states and 861 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:40:38,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:38,204 INFO L93 Difference]: Finished difference Result 1248 states and 1653 transitions. [2024-11-09 14:40:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 14:40:38,204 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 219 [2024-11-09 14:40:38,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:38,206 INFO L225 Difference]: With dead ends: 1248 [2024-11-09 14:40:38,206 INFO L226 Difference]: Without dead ends: 665 [2024-11-09 14:40:38,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2024-11-09 14:40:38,208 INFO L432 NwaCegarLoop]: 375 mSDtfsCounter, 31 mSDsluCounter, 1613 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 1988 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:38,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 1988 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 14:40:38,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2024-11-09 14:40:38,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 659. [2024-11-09 14:40:38,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 641 states have (on average 1.3057722308892357) internal successors, (837), 644 states have internal predecessors, (837), 12 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-09 14:40:38,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 865 transitions. [2024-11-09 14:40:38,221 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 865 transitions. Word has length 219 [2024-11-09 14:40:38,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:38,221 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 865 transitions. [2024-11-09 14:40:38,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:40:38,221 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 865 transitions. [2024-11-09 14:40:38,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-09 14:40:38,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:38,225 INFO L215 NwaCegarLoop]: trace histogram [26, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:38,277 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 14:40:38,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:40:38,426 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:38,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:38,426 INFO L85 PathProgramCache]: Analyzing trace with hash -625974323, now seen corresponding path program 1 times [2024-11-09 14:40:38,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:38,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553812582] [2024-11-09 14:40:38,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:38,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:39,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:40:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:39,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 14:40:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:39,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-09 14:40:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:39,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 14:40:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:39,334 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 5 proven. 165 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-09 14:40:39,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:39,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553812582] [2024-11-09 14:40:39,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553812582] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:40:39,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105634433] [2024-11-09 14:40:39,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:39,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:40:39,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:40:39,336 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 14:40:39,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 14:40:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:40,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 1421 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 14:40:40,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:40:40,114 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-09 14:40:40,114 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:40:40,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105634433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:40:40,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:40:40,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2024-11-09 14:40:40,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484973038] [2024-11-09 14:40:40,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:40:40,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 14:40:40,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:40,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 14:40:40,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-11-09 14:40:40,115 INFO L87 Difference]: Start difference. First operand 659 states and 865 transitions. Second operand has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 14:40:40,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:40,231 INFO L93 Difference]: Finished difference Result 1135 states and 1506 transitions. [2024-11-09 14:40:40,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 14:40:40,232 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 219 [2024-11-09 14:40:40,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:40,234 INFO L225 Difference]: With dead ends: 1135 [2024-11-09 14:40:40,234 INFO L226 Difference]: Without dead ends: 681 [2024-11-09 14:40:40,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-11-09 14:40:40,235 INFO L432 NwaCegarLoop]: 382 mSDtfsCounter, 30 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1422 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:40,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1422 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 14:40:40,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-11-09 14:40:40,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 673. [2024-11-09 14:40:40,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 655 states have (on average 1.3022900763358778) internal successors, (853), 658 states have internal predecessors, (853), 12 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-09 14:40:40,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 881 transitions. [2024-11-09 14:40:40,247 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 881 transitions. Word has length 219 [2024-11-09 14:40:40,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:40,248 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 881 transitions. [2024-11-09 14:40:40,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 14:40:40,248 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 881 transitions. [2024-11-09 14:40:40,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-09 14:40:40,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:40,249 INFO L215 NwaCegarLoop]: trace histogram [26, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:40,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 14:40:40,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:40:40,450 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:40,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:40,450 INFO L85 PathProgramCache]: Analyzing trace with hash -749035737, now seen corresponding path program 1 times [2024-11-09 14:40:40,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:40,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374601614] [2024-11-09 14:40:40,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:40,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:41,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:40:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:41,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 14:40:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:41,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 14:40:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:41,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 14:40:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:41,128 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-11-09 14:40:41,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:41,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374601614] [2024-11-09 14:40:41,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374601614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:40:41,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:40:41,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 14:40:41,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183108698] [2024-11-09 14:40:41,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:40:41,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 14:40:41,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:41,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 14:40:41,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 14:40:41,129 INFO L87 Difference]: Start difference. First operand 673 states and 881 transitions. Second operand has 8 states, 8 states have (on average 22.25) internal successors, (178), 7 states have internal predecessors, (178), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 14:40:41,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:41,510 INFO L93 Difference]: Finished difference Result 1135 states and 1498 transitions. [2024-11-09 14:40:41,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 14:40:41,511 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.25) internal successors, (178), 7 states have internal predecessors, (178), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 220 [2024-11-09 14:40:41,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:41,513 INFO L225 Difference]: With dead ends: 1135 [2024-11-09 14:40:41,513 INFO L226 Difference]: Without dead ends: 675 [2024-11-09 14:40:41,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 14:40:41,514 INFO L432 NwaCegarLoop]: 390 mSDtfsCounter, 20 mSDsluCounter, 1844 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 2234 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:41,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 2234 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 14:40:41,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2024-11-09 14:40:41,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 667. [2024-11-09 14:40:41,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 649 states have (on average 1.2989214175654853) internal successors, (843), 652 states have internal predecessors, (843), 12 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-09 14:40:41,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 871 transitions. [2024-11-09 14:40:41,526 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 871 transitions. Word has length 220 [2024-11-09 14:40:41,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:41,527 INFO L471 AbstractCegarLoop]: Abstraction has 667 states and 871 transitions. [2024-11-09 14:40:41,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.25) internal successors, (178), 7 states have internal predecessors, (178), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 14:40:41,527 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 871 transitions. [2024-11-09 14:40:41,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-09 14:40:41,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:41,528 INFO L215 NwaCegarLoop]: trace histogram [26, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:41,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 14:40:41,528 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:41,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:41,528 INFO L85 PathProgramCache]: Analyzing trace with hash 511704914, now seen corresponding path program 1 times [2024-11-09 14:40:41,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:41,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258875805] [2024-11-09 14:40:41,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:41,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:41,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:40:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:42,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 14:40:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:42,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 14:40:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:42,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-09 14:40:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:42,037 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-11-09 14:40:42,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:42,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258875805] [2024-11-09 14:40:42,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258875805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:40:42,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:40:42,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 14:40:42,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415664573] [2024-11-09 14:40:42,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:40:42,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 14:40:42,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:42,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 14:40:42,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 14:40:42,040 INFO L87 Difference]: Start difference. First operand 667 states and 871 transitions. Second operand has 8 states, 8 states have (on average 22.375) internal successors, (179), 7 states have internal predecessors, (179), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 14:40:42,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:42,347 INFO L93 Difference]: Finished difference Result 1134 states and 1495 transitions. [2024-11-09 14:40:42,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 14:40:42,348 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.375) internal successors, (179), 7 states have internal predecessors, (179), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 221 [2024-11-09 14:40:42,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:42,350 INFO L225 Difference]: With dead ends: 1134 [2024-11-09 14:40:42,350 INFO L226 Difference]: Without dead ends: 679 [2024-11-09 14:40:42,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 14:40:42,351 INFO L432 NwaCegarLoop]: 393 mSDtfsCounter, 19 mSDsluCounter, 1280 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 1673 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:42,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 1673 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 14:40:42,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2024-11-09 14:40:42,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 673. [2024-11-09 14:40:42,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 655 states have (on average 1.2961832061068703) internal successors, (849), 658 states have internal predecessors, (849), 12 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-09 14:40:42,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 877 transitions. [2024-11-09 14:40:42,363 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 877 transitions. Word has length 221 [2024-11-09 14:40:42,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:42,363 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 877 transitions. [2024-11-09 14:40:42,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.375) internal successors, (179), 7 states have internal predecessors, (179), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 14:40:42,364 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 877 transitions. [2024-11-09 14:40:42,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-09 14:40:42,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:42,365 INFO L215 NwaCegarLoop]: trace histogram [26, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:42,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 14:40:42,365 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:42,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:42,365 INFO L85 PathProgramCache]: Analyzing trace with hash -2137440482, now seen corresponding path program 1 times [2024-11-09 14:40:42,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:42,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850264407] [2024-11-09 14:40:42,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:42,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:42,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:40:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:43,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 14:40:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:43,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 14:40:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:43,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 14:40:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:43,086 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 5 proven. 165 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-09 14:40:43,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:43,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850264407] [2024-11-09 14:40:43,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850264407] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:40:43,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050775515] [2024-11-09 14:40:43,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:43,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:40:43,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:40:43,088 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 14:40:43,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 14:40:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:44,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 1421 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 14:40:44,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:40:44,286 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-11-09 14:40:44,286 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:40:44,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050775515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:40:44,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:40:44,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-09 14:40:44,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127017271] [2024-11-09 14:40:44,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:40:44,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 14:40:44,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:44,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 14:40:44,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-11-09 14:40:44,287 INFO L87 Difference]: Start difference. First operand 673 states and 877 transitions. Second operand has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:40:44,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:44,564 INFO L93 Difference]: Finished difference Result 1287 states and 1691 transitions. [2024-11-09 14:40:44,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 14:40:44,564 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 222 [2024-11-09 14:40:44,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:44,566 INFO L225 Difference]: With dead ends: 1287 [2024-11-09 14:40:44,566 INFO L226 Difference]: Without dead ends: 683 [2024-11-09 14:40:44,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-11-09 14:40:44,567 INFO L432 NwaCegarLoop]: 386 mSDtfsCounter, 6 mSDsluCounter, 1585 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1971 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:44,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1971 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 14:40:44,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2024-11-09 14:40:44,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 673. [2024-11-09 14:40:44,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 655 states have (on average 1.2961832061068703) internal successors, (849), 658 states have internal predecessors, (849), 12 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-09 14:40:44,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 877 transitions. [2024-11-09 14:40:44,579 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 877 transitions. Word has length 222 [2024-11-09 14:40:44,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:44,580 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 877 transitions. [2024-11-09 14:40:44,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:40:44,580 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 877 transitions. [2024-11-09 14:40:44,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-09 14:40:44,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:44,581 INFO L215 NwaCegarLoop]: trace histogram [26, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:44,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-09 14:40:44,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-09 14:40:44,782 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:44,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:44,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1882964567, now seen corresponding path program 1 times [2024-11-09 14:40:44,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:44,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979047714] [2024-11-09 14:40:44,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:44,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:45,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:40:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:45,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 14:40:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:45,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 14:40:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:45,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 14:40:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:45,324 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-11-09 14:40:45,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:45,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979047714] [2024-11-09 14:40:45,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979047714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:40:45,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:40:45,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 14:40:45,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096101056] [2024-11-09 14:40:45,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:40:45,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 14:40:45,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:40:45,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 14:40:45,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-09 14:40:45,326 INFO L87 Difference]: Start difference. First operand 673 states and 877 transitions. Second operand has 11 states, 11 states have (on average 16.363636363636363) internal successors, (180), 10 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:40:45,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:40:45,791 INFO L93 Difference]: Finished difference Result 1297 states and 1706 transitions. [2024-11-09 14:40:45,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 14:40:45,791 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 16.363636363636363) internal successors, (180), 10 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 222 [2024-11-09 14:40:45,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:40:45,793 INFO L225 Difference]: With dead ends: 1297 [2024-11-09 14:40:45,793 INFO L226 Difference]: Without dead ends: 693 [2024-11-09 14:40:45,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-09 14:40:45,794 INFO L432 NwaCegarLoop]: 391 mSDtfsCounter, 22 mSDsluCounter, 2897 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 3288 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 14:40:45,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 3288 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 14:40:45,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-11-09 14:40:45,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 679. [2024-11-09 14:40:45,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 661 states have (on average 1.2934947049924357) internal successors, (855), 664 states have internal predecessors, (855), 12 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-09 14:40:45,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 883 transitions. [2024-11-09 14:40:45,806 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 883 transitions. Word has length 222 [2024-11-09 14:40:45,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:40:45,806 INFO L471 AbstractCegarLoop]: Abstraction has 679 states and 883 transitions. [2024-11-09 14:40:45,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.363636363636363) internal successors, (180), 10 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:40:45,806 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 883 transitions. [2024-11-09 14:40:45,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-09 14:40:45,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:40:45,807 INFO L215 NwaCegarLoop]: trace histogram [26, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:40:45,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 14:40:45,807 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:40:45,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:40:45,808 INFO L85 PathProgramCache]: Analyzing trace with hash -690562666, now seen corresponding path program 1 times [2024-11-09 14:40:45,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:40:45,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494426589] [2024-11-09 14:40:45,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:45,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:40:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:46,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 14:40:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:46,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 14:40:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:46,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-09 14:40:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:46,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-09 14:40:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:46,909 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 5 proven. 165 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-09 14:40:46,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:40:46,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494426589] [2024-11-09 14:40:46,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494426589] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:40:46,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70724789] [2024-11-09 14:40:46,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:40:46,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:40:46,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:40:46,911 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 14:40:46,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 14:40:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:40:48,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 223 conjuncts are in the unsatisfiable core [2024-11-09 14:40:48,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:40:48,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-09 14:40:48,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 14:40:48,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 18 [2024-11-09 14:40:48,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2024-11-09 14:40:48,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 14:40:48,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 14:40:48,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-09 14:40:48,523 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-09 14:40:48,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-11-09 14:40:48,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-09 14:40:48,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-09 14:40:48,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-09 14:40:48,787 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-09 14:40:48,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 57 [2024-11-09 14:40:48,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2024-11-09 14:40:48,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11