./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_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_FNV_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 14:37:02,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 14:37:02,146 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 14:37:02,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 14:37:02,151 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 14:37:02,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 14:37:02,179 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 14:37:02,179 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 14:37:02,180 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 14:37:02,181 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 14:37:02,182 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 14:37:02,182 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 14:37:02,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 14:37:02,183 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 14:37:02,183 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 14:37:02,184 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 14:37:02,184 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 14:37:02,184 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 14:37:02,184 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 14:37:02,184 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 14:37:02,185 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 14:37:02,186 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 14:37:02,187 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 14:37:02,187 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 14:37:02,187 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 14:37:02,187 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 14:37:02,187 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 14:37:02,188 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 14:37:02,188 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 14:37:02,188 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 14:37:02,188 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 14:37:02,189 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 14:37:02,189 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 14:37:02,189 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 14:37:02,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:37:02,190 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 14:37:02,190 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 14:37:02,190 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 14:37:02,190 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 14:37:02,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 14:37:02,191 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 14:37:02,191 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 14:37:02,191 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 14:37:02,191 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 14:37:02,191 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2024-11-09 14:37:02,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 14:37:02,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 14:37:02,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 14:37:02,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 14:37:02,435 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 14:37:02,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-1.i [2024-11-09 14:37:03,668 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 14:37:03,939 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 14:37:03,940 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-1.i [2024-11-09 14:37:03,960 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0d1a6c30/181b548fbd394c3c9c358a3cd97b80fa/FLAG1af5cb625 [2024-11-09 14:37:03,984 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0d1a6c30/181b548fbd394c3c9c358a3cd97b80fa [2024-11-09 14:37:03,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 14:37:03,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 14:37:03,988 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 14:37:03,988 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 14:37:03,992 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 14:37:03,993 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:37:03" (1/1) ... [2024-11-09 14:37:03,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e0be61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:37:03, skipping insertion in model container [2024-11-09 14:37:03,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:37:03" (1/1) ... [2024-11-09 14:37:04,035 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 14:37:04,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:37:04,461 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 14:37:04,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:37:04,580 INFO L204 MainTranslator]: Completed translation [2024-11-09 14:37:04,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:37:04 WrapperNode [2024-11-09 14:37:04,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 14:37:04,582 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 14:37:04,582 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 14:37:04,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 14:37:04,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:37:04" (1/1) ... [2024-11-09 14:37:04,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:37:04" (1/1) ... [2024-11-09 14:37:04,675 INFO L138 Inliner]: procedures = 176, calls = 326, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1555 [2024-11-09 14:37:04,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 14:37:04,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 14:37:04,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 14:37:04,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 14:37:04,690 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:37:04" (1/1) ... [2024-11-09 14:37:04,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:37:04" (1/1) ... [2024-11-09 14:37:04,697 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:37:04" (1/1) ... [2024-11-09 14:37:04,787 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 14:37:04,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:37:04" (1/1) ... [2024-11-09 14:37:04,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:37:04" (1/1) ... [2024-11-09 14:37:04,824 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:37:04" (1/1) ... [2024-11-09 14:37:04,839 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:37:04" (1/1) ... [2024-11-09 14:37:04,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:37:04" (1/1) ... [2024-11-09 14:37:04,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:37:04" (1/1) ... [2024-11-09 14:37:04,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 14:37:04,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 14:37:04,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 14:37:04,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 14:37:04,870 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:37:04" (1/1) ... [2024-11-09 14:37:04,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:37:04,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:37:04,897 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 14:37:04,900 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 14:37:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 14:37:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 14:37:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 14:37:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 14:37:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-09 14:37:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-09 14:37:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-09 14:37:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-09 14:37:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 14:37:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 14:37:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 14:37:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 14:37:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 14:37:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 14:37:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 14:37:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 14:37:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 14:37:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 14:37:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 14:37:05,125 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 14:37:05,127 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 14:37:06,321 INFO L? ?]: Removed 381 outVars from TransFormulas that were not future-live. [2024-11-09 14:37:06,321 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 14:37:06,341 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 14:37:06,341 INFO L316 CfgBuilder]: Removed 60 assume(true) statements. [2024-11-09 14:37:06,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:37:06 BoogieIcfgContainer [2024-11-09 14:37:06,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 14:37:06,344 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 14:37:06,344 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 14:37:06,347 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 14:37:06,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:37:03" (1/3) ... [2024-11-09 14:37:06,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13df8c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:37:06, skipping insertion in model container [2024-11-09 14:37:06,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:37:04" (2/3) ... [2024-11-09 14:37:06,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13df8c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:37:06, skipping insertion in model container [2024-11-09 14:37:06,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:37:06" (3/3) ... [2024-11-09 14:37:06,349 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_nondet_test4-1.i [2024-11-09 14:37:06,362 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 14:37:06,362 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 14:37:06,430 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 14:37:06,437 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;@35c87d90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 14:37:06,438 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-09 14:37:06,444 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 14:37:06,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 14:37:06,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:06,449 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:37:06,450 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 14:37:06,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:06,454 INFO L85 PathProgramCache]: Analyzing trace with hash -699476840, now seen corresponding path program 1 times [2024-11-09 14:37:06,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:06,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939899913] [2024-11-09 14:37:06,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:06,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:06,667 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 14:37:06,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:06,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939899913] [2024-11-09 14:37:06,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939899913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:06,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:37:06,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 14:37:06,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331483302] [2024-11-09 14:37:06,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:06,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 14:37:06,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:06,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 14:37:06,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 14:37:06,709 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 14:37:06,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:06,750 INFO L93 Difference]: Finished difference Result 819 states and 1311 transitions. [2024-11-09 14:37:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 14:37:06,752 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 14:37:06,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:06,761 INFO L225 Difference]: With dead ends: 819 [2024-11-09 14:37:06,761 INFO L226 Difference]: Without dead ends: 398 [2024-11-09 14:37:06,765 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 14:37:06,767 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 14:37:06,768 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 14:37:06,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-09 14:37:06,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2024-11-09 14:37:06,815 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 14:37:06,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 572 transitions. [2024-11-09 14:37:06,819 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 572 transitions. Word has length 7 [2024-11-09 14:37:06,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:06,819 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 572 transitions. [2024-11-09 14:37:06,819 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 14:37:06,820 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 572 transitions. [2024-11-09 14:37:06,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 14:37:06,820 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:06,820 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:37:06,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 14:37:06,820 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 14:37:06,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:06,821 INFO L85 PathProgramCache]: Analyzing trace with hash -208885906, now seen corresponding path program 1 times [2024-11-09 14:37:06,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:06,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769624779] [2024-11-09 14:37:06,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:06,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 14:37:06,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2139981463] [2024-11-09 14:37:06,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:06,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:37:06,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:37:06,845 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 14:37:06,846 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 14:37:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:06,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 14:37:06,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:37:07,009 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 14:37:07,009 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:37:07,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:07,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769624779] [2024-11-09 14:37:07,010 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 14:37:07,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139981463] [2024-11-09 14:37:07,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139981463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:07,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:37:07,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 14:37:07,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125083324] [2024-11-09 14:37:07,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:07,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 14:37:07,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:07,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 14:37:07,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 14:37:07,013 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 14:37:07,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:07,098 INFO L93 Difference]: Finished difference Result 785 states and 1133 transitions. [2024-11-09 14:37:07,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 14:37:07,098 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 14:37:07,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:07,103 INFO L225 Difference]: With dead ends: 785 [2024-11-09 14:37:07,103 INFO L226 Difference]: Without dead ends: 784 [2024-11-09 14:37:07,103 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 14:37:07,105 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 14:37:07,106 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 14:37:07,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2024-11-09 14:37:07,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 403. [2024-11-09 14:37:07,130 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 14:37:07,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 577 transitions. [2024-11-09 14:37:07,132 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 577 transitions. Word has length 8 [2024-11-09 14:37:07,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:07,132 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 577 transitions. [2024-11-09 14:37:07,132 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 14:37:07,132 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 577 transitions. [2024-11-09 14:37:07,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-09 14:37:07,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:07,137 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 14:37:07,151 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 14:37:07,338 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 14:37:07,339 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 14:37:07,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:07,339 INFO L85 PathProgramCache]: Analyzing trace with hash 839446148, now seen corresponding path program 1 times [2024-11-09 14:37:07,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:07,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456128475] [2024-11-09 14:37:07,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:07,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:07,849 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 14:37:07,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:07,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456128475] [2024-11-09 14:37:07,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456128475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:07,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:37:07,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 14:37:07,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493610070] [2024-11-09 14:37:07,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:07,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:37:07,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:07,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:37:07,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:37:07,854 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 14:37:07,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:07,945 INFO L93 Difference]: Finished difference Result 801 states and 1149 transitions. [2024-11-09 14:37:07,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:37:07,945 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 14:37:07,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:07,947 INFO L225 Difference]: With dead ends: 801 [2024-11-09 14:37:07,947 INFO L226 Difference]: Without dead ends: 406 [2024-11-09 14:37:07,948 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 14:37:07,950 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 14:37:07,951 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 14:37:07,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-09 14:37:07,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 403. [2024-11-09 14:37:07,965 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 14:37:07,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 570 transitions. [2024-11-09 14:37:07,966 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 570 transitions. Word has length 152 [2024-11-09 14:37:07,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:07,966 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 570 transitions. [2024-11-09 14:37:07,967 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 14:37:07,967 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 570 transitions. [2024-11-09 14:37:07,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-09 14:37:07,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:07,969 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 14:37:07,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 14:37:07,970 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 14:37:07,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:07,970 INFO L85 PathProgramCache]: Analyzing trace with hash -609280240, now seen corresponding path program 1 times [2024-11-09 14:37:07,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:07,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418989194] [2024-11-09 14:37:07,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:07,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:08,219 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 14:37:08,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:08,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418989194] [2024-11-09 14:37:08,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418989194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:08,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:37:08,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 14:37:08,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499302197] [2024-11-09 14:37:08,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:08,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 14:37:08,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:08,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 14:37:08,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 14:37:08,221 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 14:37:08,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:08,263 INFO L93 Difference]: Finished difference Result 925 states and 1319 transitions. [2024-11-09 14:37:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 14:37:08,265 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 14:37:08,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:08,267 INFO L225 Difference]: With dead ends: 925 [2024-11-09 14:37:08,267 INFO L226 Difference]: Without dead ends: 530 [2024-11-09 14:37:08,268 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 14:37:08,271 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 14:37:08,272 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 14:37:08,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-11-09 14:37:08,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 530. [2024-11-09 14:37:08,286 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 14:37:08,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 756 transitions. [2024-11-09 14:37:08,289 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 756 transitions. Word has length 152 [2024-11-09 14:37:08,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:08,291 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 756 transitions. [2024-11-09 14:37:08,291 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 14:37:08,291 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 756 transitions. [2024-11-09 14:37:08,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-09 14:37:08,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:08,296 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 14:37:08,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 14:37:08,296 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 14:37:08,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:08,297 INFO L85 PathProgramCache]: Analyzing trace with hash -2005985026, now seen corresponding path program 1 times [2024-11-09 14:37:08,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:08,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119006223] [2024-11-09 14:37:08,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:08,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:08,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 14:37:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:08,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 14:37:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:08,611 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 14:37:08,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:08,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119006223] [2024-11-09 14:37:08,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119006223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:08,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:37:08,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 14:37:08,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915088647] [2024-11-09 14:37:08,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:08,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 14:37:08,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:08,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 14:37:08,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 14:37:08,617 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 14:37:08,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:08,899 INFO L93 Difference]: Finished difference Result 886 states and 1261 transitions. [2024-11-09 14:37:08,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 14:37:08,899 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 14:37:08,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:08,902 INFO L225 Difference]: With dead ends: 886 [2024-11-09 14:37:08,904 INFO L226 Difference]: Without dead ends: 491 [2024-11-09 14:37:08,905 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 14:37:08,905 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 14:37:08,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 1734 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 14:37:08,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-11-09 14:37:08,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 488. [2024-11-09 14:37:08,916 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 14:37:08,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 679 transitions. [2024-11-09 14:37:08,918 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 679 transitions. Word has length 167 [2024-11-09 14:37:08,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:08,920 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 679 transitions. [2024-11-09 14:37:08,922 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 14:37:08,923 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 679 transitions. [2024-11-09 14:37:08,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-09 14:37:08,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:08,925 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 14:37:08,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 14:37:08,926 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 14:37:08,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:08,929 INFO L85 PathProgramCache]: Analyzing trace with hash 975176620, now seen corresponding path program 1 times [2024-11-09 14:37:08,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:08,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206220778] [2024-11-09 14:37:08,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:08,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:09,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 14:37:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:09,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 14:37:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:09,140 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 14:37:09,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:09,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206220778] [2024-11-09 14:37:09,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206220778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:09,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:37:09,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 14:37:09,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812674748] [2024-11-09 14:37:09,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:09,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:37:09,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:09,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:37:09,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:37:09,142 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 14:37:09,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:09,386 INFO L93 Difference]: Finished difference Result 844 states and 1173 transitions. [2024-11-09 14:37:09,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:37:09,386 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 14:37:09,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:09,388 INFO L225 Difference]: With dead ends: 844 [2024-11-09 14:37:09,389 INFO L226 Difference]: Without dead ends: 491 [2024-11-09 14:37:09,389 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 14:37:09,390 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 14:37:09,390 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 14:37:09,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-11-09 14:37:09,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 488. [2024-11-09 14:37:09,398 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 14:37:09,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 676 transitions. [2024-11-09 14:37:09,399 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 676 transitions. Word has length 167 [2024-11-09 14:37:09,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:09,399 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 676 transitions. [2024-11-09 14:37:09,400 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 14:37:09,400 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 676 transitions. [2024-11-09 14:37:09,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-09 14:37:09,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:09,401 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 14:37:09,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 14:37:09,401 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 14:37:09,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:09,402 INFO L85 PathProgramCache]: Analyzing trace with hash -2021245198, now seen corresponding path program 1 times [2024-11-09 14:37:09,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:09,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011208811] [2024-11-09 14:37:09,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:09,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:09,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 14:37:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:09,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 14:37:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:09,607 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 14:37:09,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:09,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011208811] [2024-11-09 14:37:09,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011208811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:09,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:37:09,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 14:37:09,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171894347] [2024-11-09 14:37:09,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:09,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:37:09,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:09,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:37:09,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:37:09,610 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 14:37:09,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:09,869 INFO L93 Difference]: Finished difference Result 990 states and 1365 transitions. [2024-11-09 14:37:09,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:37:09,870 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 14:37:09,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:09,872 INFO L225 Difference]: With dead ends: 990 [2024-11-09 14:37:09,872 INFO L226 Difference]: Without dead ends: 637 [2024-11-09 14:37:09,873 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 14:37:09,874 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 14:37:09,874 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 14:37:09,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-09 14:37:09,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 634. [2024-11-09 14:37:09,886 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 14:37:09,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 870 transitions. [2024-11-09 14:37:09,887 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 870 transitions. Word has length 167 [2024-11-09 14:37:09,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:09,888 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 870 transitions. [2024-11-09 14:37:09,888 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 14:37:09,888 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 870 transitions. [2024-11-09 14:37:09,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-09 14:37:09,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:09,889 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 14:37:09,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 14:37:09,890 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 14:37:09,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:09,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1396052746, now seen corresponding path program 1 times [2024-11-09 14:37:09,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:09,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314782780] [2024-11-09 14:37:09,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:09,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:10,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 14:37:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:10,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 14:37:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:10,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 14:37:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:10,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 14:37:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:10,220 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 14:37:10,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:10,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314782780] [2024-11-09 14:37:10,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314782780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:10,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:37:10,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 14:37:10,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273522191] [2024-11-09 14:37:10,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:10,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 14:37:10,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:10,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 14:37:10,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 14:37:10,224 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 14:37:10,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:10,565 INFO L93 Difference]: Finished difference Result 703 states and 971 transitions. [2024-11-09 14:37:10,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 14:37:10,565 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 14:37:10,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:10,568 INFO L225 Difference]: With dead ends: 703 [2024-11-09 14:37:10,568 INFO L226 Difference]: Without dead ends: 701 [2024-11-09 14:37:10,569 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 14:37:10,569 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 14:37:10,569 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 14:37:10,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2024-11-09 14:37:10,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 698. [2024-11-09 14:37:10,582 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 14:37:10,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 954 transitions. [2024-11-09 14:37:10,584 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 954 transitions. Word has length 182 [2024-11-09 14:37:10,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:10,584 INFO L471 AbstractCegarLoop]: Abstraction has 698 states and 954 transitions. [2024-11-09 14:37:10,584 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 14:37:10,584 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 954 transitions. [2024-11-09 14:37:10,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-09 14:37:10,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:10,586 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 14:37:10,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 14:37:10,586 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 14:37:10,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:10,587 INFO L85 PathProgramCache]: Analyzing trace with hash -490428647, now seen corresponding path program 1 times [2024-11-09 14:37:10,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:10,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735578475] [2024-11-09 14:37:10,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:10,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:11,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 14:37:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:11,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 14:37:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:11,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 14:37:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:11,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 14:37:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:11,306 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 14:37:11,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:11,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735578475] [2024-11-09 14:37:11,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735578475] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:37:11,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608494619] [2024-11-09 14:37:11,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:11,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:37:11,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:37:11,309 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 14:37:11,318 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 14:37:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:11,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 14:37:11,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:37:11,823 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 14:37:11,842 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 14:37:12,238 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 14:37:12,238 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 14:37:12,490 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 14:37:12,490 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:37:12,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [608494619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:12,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:37:12,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-09 14:37:12,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354016439] [2024-11-09 14:37:12,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:12,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 14:37:12,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:12,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 14:37:12,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-09 14:37:12,494 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 14:37:14,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:14,560 INFO L93 Difference]: Finished difference Result 1361 states and 1854 transitions. [2024-11-09 14:37:14,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 14:37:14,560 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 14:37:14,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:14,563 INFO L225 Difference]: With dead ends: 1361 [2024-11-09 14:37:14,563 INFO L226 Difference]: Without dead ends: 751 [2024-11-09 14:37:14,564 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 14:37:14,566 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, 1.8s IncrementalHoareTripleChecker+Time [2024-11-09 14:37:14,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [751 Valid, 3097 Invalid, 1222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1215 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-09 14:37:14,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2024-11-09 14:37:14,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 732. [2024-11-09 14:37:14,596 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 14:37:14,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 997 transitions. [2024-11-09 14:37:14,598 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 997 transitions. Word has length 188 [2024-11-09 14:37:14,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:14,598 INFO L471 AbstractCegarLoop]: Abstraction has 732 states and 997 transitions. [2024-11-09 14:37:14,598 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 14:37:14,598 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 997 transitions. [2024-11-09 14:37:14,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-09 14:37:14,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:14,599 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 14:37:14,616 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 14:37:14,803 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 14:37:14,804 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 14:37:14,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:14,804 INFO L85 PathProgramCache]: Analyzing trace with hash 913440539, now seen corresponding path program 1 times [2024-11-09 14:37:14,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:14,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713159532] [2024-11-09 14:37:14,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:14,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:14,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 14:37:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:14,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 14:37:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:14,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 14:37:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:14,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 14:37:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:14,978 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 14:37:14,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:14,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713159532] [2024-11-09 14:37:14,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713159532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:14,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:37:14,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 14:37:14,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692513004] [2024-11-09 14:37:14,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:14,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 14:37:14,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:14,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 14:37:14,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 14:37:14,980 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 14:37:15,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:15,307 INFO L93 Difference]: Finished difference Result 1307 states and 1782 transitions. [2024-11-09 14:37:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 14:37:15,308 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 14:37:15,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:15,310 INFO L225 Difference]: With dead ends: 1307 [2024-11-09 14:37:15,310 INFO L226 Difference]: Without dead ends: 605 [2024-11-09 14:37:15,312 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 14:37:15,313 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 14:37:15,314 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 14:37:15,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-11-09 14:37:15,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 602. [2024-11-09 14:37:15,329 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 14:37:15,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 793 transitions. [2024-11-09 14:37:15,331 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 793 transitions. Word has length 188 [2024-11-09 14:37:15,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:15,331 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 793 transitions. [2024-11-09 14:37:15,331 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 14:37:15,332 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 793 transitions. [2024-11-09 14:37:15,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-09 14:37:15,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:15,334 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 14:37:15,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 14:37:15,334 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 14:37:15,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:15,335 INFO L85 PathProgramCache]: Analyzing trace with hash 174743233, now seen corresponding path program 1 times [2024-11-09 14:37:15,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:15,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299860680] [2024-11-09 14:37:15,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:15,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:15,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 14:37:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:15,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 14:37:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:15,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-09 14:37:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:15,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 14:37:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:15,971 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 14:37:15,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:15,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299860680] [2024-11-09 14:37:15,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299860680] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:37:15,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861448529] [2024-11-09 14:37:15,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:15,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:37:15,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:37:15,974 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 14:37:15,976 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 14:37:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:16,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 14:37:16,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:37:16,504 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 14:37:16,504 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:37:16,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861448529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:16,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:37:16,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-09 14:37:16,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418904975] [2024-11-09 14:37:16,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:16,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:37:16,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:16,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:37:16,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 14:37:16,506 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 14:37:16,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:16,611 INFO L93 Difference]: Finished difference Result 1164 states and 1544 transitions. [2024-11-09 14:37:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:37:16,612 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 14:37:16,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:16,614 INFO L225 Difference]: With dead ends: 1164 [2024-11-09 14:37:16,614 INFO L226 Difference]: Without dead ends: 602 [2024-11-09 14:37:16,615 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 14:37:16,615 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 14:37:16,616 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 14:37:16,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-11-09 14:37:16,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2024-11-09 14:37:16,627 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 14:37:16,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 791 transitions. [2024-11-09 14:37:16,631 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 791 transitions. Word has length 189 [2024-11-09 14:37:16,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:16,631 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 791 transitions. [2024-11-09 14:37:16,631 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 14:37:16,631 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 791 transitions. [2024-11-09 14:37:16,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 14:37:16,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:16,633 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 14:37:16,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 14:37:16,833 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 14:37:16,834 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 14:37:16,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:16,834 INFO L85 PathProgramCache]: Analyzing trace with hash -238897548, now seen corresponding path program 1 times [2024-11-09 14:37:16,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:16,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501567986] [2024-11-09 14:37:16,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:16,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:17,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 14:37:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:17,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 14:37:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:17,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 14:37:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:17,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 14:37:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:17,220 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 14:37:17,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:17,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501567986] [2024-11-09 14:37:17,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501567986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:17,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:37:17,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 14:37:17,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770390315] [2024-11-09 14:37:17,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:17,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 14:37:17,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:17,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 14:37:17,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 14:37:17,222 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 14:37:17,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:17,643 INFO L93 Difference]: Finished difference Result 1170 states and 1561 transitions. [2024-11-09 14:37:17,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 14:37:17,644 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 14:37:17,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:17,646 INFO L225 Difference]: With dead ends: 1170 [2024-11-09 14:37:17,646 INFO L226 Difference]: Without dead ends: 611 [2024-11-09 14:37:17,647 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 14:37:17,647 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 14:37:17,647 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 14:37:17,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2024-11-09 14:37:17,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 608. [2024-11-09 14:37:17,659 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 14:37:17,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 797 transitions. [2024-11-09 14:37:17,660 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 797 transitions. Word has length 190 [2024-11-09 14:37:17,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:17,660 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 797 transitions. [2024-11-09 14:37:17,661 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 14:37:17,661 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 797 transitions. [2024-11-09 14:37:17,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-09 14:37:17,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:17,662 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 14:37:17,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 14:37:17,662 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 14:37:17,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:17,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1630326338, now seen corresponding path program 1 times [2024-11-09 14:37:17,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:17,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024964101] [2024-11-09 14:37:17,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:17,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:18,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 14:37:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:18,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 14:37:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:18,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 14:37:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:18,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 14:37:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:18,278 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 14:37:18,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:18,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024964101] [2024-11-09 14:37:18,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024964101] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:37:18,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050861721] [2024-11-09 14:37:18,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:18,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:37:18,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:37:18,280 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 14:37:18,281 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 14:37:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:18,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 14:37:18,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:37:18,815 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 14:37:18,815 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:37:18,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050861721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:18,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:37:18,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-09 14:37:18,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063779262] [2024-11-09 14:37:18,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:18,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 14:37:18,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:18,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 14:37:18,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 14:37:18,817 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 14:37:18,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:18,880 INFO L93 Difference]: Finished difference Result 1126 states and 1490 transitions. [2024-11-09 14:37:18,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 14:37:18,880 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 14:37:18,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:18,882 INFO L225 Difference]: With dead ends: 1126 [2024-11-09 14:37:18,883 INFO L226 Difference]: Without dead ends: 611 [2024-11-09 14:37:18,884 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 14:37:18,884 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 14:37:18,885 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 14:37:18,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2024-11-09 14:37:18,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 611. [2024-11-09 14:37:18,898 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 14:37:18,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 804 transitions. [2024-11-09 14:37:18,900 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 804 transitions. Word has length 191 [2024-11-09 14:37:18,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:18,901 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 804 transitions. [2024-11-09 14:37:18,901 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 14:37:18,901 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 804 transitions. [2024-11-09 14:37:18,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-09 14:37:18,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:18,902 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 14:37:18,920 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 14:37:19,103 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 14:37:19,103 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 14:37:19,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:19,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1003054970, now seen corresponding path program 1 times [2024-11-09 14:37:19,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:19,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723186864] [2024-11-09 14:37:19,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:19,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:19,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 14:37:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:19,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 14:37:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:19,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-09 14:37:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:19,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-09 14:37:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:19,713 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 14:37:19,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:19,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723186864] [2024-11-09 14:37:19,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723186864] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:37:19,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165240603] [2024-11-09 14:37:19,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:19,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:37:19,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:37:19,715 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 14:37:19,716 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 14:37:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:20,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 14:37:20,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:37:20,613 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 14:37:20,613 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 14:37:20,983 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 14:37:20,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165240603] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 14:37:20,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 14:37:20,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 8] total 15 [2024-11-09 14:37:20,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722613516] [2024-11-09 14:37:20,984 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 14:37:20,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 14:37:20,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:20,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 14:37:20,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-09 14:37:20,986 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 14:37:21,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:21,494 INFO L93 Difference]: Finished difference Result 1140 states and 1520 transitions. [2024-11-09 14:37:21,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 14:37:21,495 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 14:37:21,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:21,497 INFO L225 Difference]: With dead ends: 1140 [2024-11-09 14:37:21,497 INFO L226 Difference]: Without dead ends: 620 [2024-11-09 14:37:21,498 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 14:37:21,498 INFO L432 NwaCegarLoop]: 392 mSDtfsCounter, 314 mSDsluCounter, 3400 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 14:37:21,499 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 14:37:21,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2024-11-09 14:37:21,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 620. [2024-11-09 14:37:21,510 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 14:37:21,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 816 transitions. [2024-11-09 14:37:21,512 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 816 transitions. Word has length 195 [2024-11-09 14:37:21,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:21,512 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 816 transitions. [2024-11-09 14:37:21,513 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 14:37:21,513 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 816 transitions. [2024-11-09 14:37:21,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-09 14:37:21,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:21,514 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 14:37:21,534 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 14:37:21,714 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 14:37:21,715 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 14:37:21,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:21,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1065960126, now seen corresponding path program 2 times [2024-11-09 14:37:21,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:21,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852616771] [2024-11-09 14:37:21,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:21,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:22,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 14:37:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:22,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 14:37:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:22,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 14:37:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:22,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 14:37:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:22,732 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 14:37:22,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:22,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852616771] [2024-11-09 14:37:22,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852616771] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:37:22,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061818643] [2024-11-09 14:37:22,733 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 14:37:22,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:37:22,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:37:22,735 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 14:37:22,736 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 14:37:23,638 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 14:37:23,638 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 14:37:23,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 14:37:23,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:37:23,816 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 14:37:23,816 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 14:37:23,956 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 14:37:23,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061818643] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 14:37:23,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 14:37:23,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 6] total 21 [2024-11-09 14:37:23,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290599523] [2024-11-09 14:37:23,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 14:37:23,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-09 14:37:23,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:23,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-09 14:37:23,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=327, Unknown=0, NotChecked=0, Total=420 [2024-11-09 14:37:23,959 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 14:37:24,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:24,439 INFO L93 Difference]: Finished difference Result 1162 states and 1559 transitions. [2024-11-09 14:37:24,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 14:37:24,440 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 14:37:24,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:24,442 INFO L225 Difference]: With dead ends: 1162 [2024-11-09 14:37:24,443 INFO L226 Difference]: Without dead ends: 631 [2024-11-09 14:37:24,444 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 14:37:24,444 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 14:37:24,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 4026 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 14:37:24,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-11-09 14:37:24,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 627. [2024-11-09 14:37:24,456 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 14:37:24,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 827 transitions. [2024-11-09 14:37:24,457 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 827 transitions. Word has length 203 [2024-11-09 14:37:24,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:24,457 INFO L471 AbstractCegarLoop]: Abstraction has 627 states and 827 transitions. [2024-11-09 14:37:24,458 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 14:37:24,458 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 827 transitions. [2024-11-09 14:37:24,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-09 14:37:24,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:24,459 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 14:37:24,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 14:37:24,660 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 14:37:24,660 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 14:37:24,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:24,661 INFO L85 PathProgramCache]: Analyzing trace with hash -2096916430, now seen corresponding path program 3 times [2024-11-09 14:37:24,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:24,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780592517] [2024-11-09 14:37:24,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:24,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:25,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 14:37:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:25,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 14:37:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:25,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 14:37:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:25,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-09 14:37:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:25,671 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 14:37:25,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:25,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780592517] [2024-11-09 14:37:25,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780592517] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:37:25,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056295394] [2024-11-09 14:37:25,671 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 14:37:25,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:37:25,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:37:25,673 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 14:37:25,674 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 14:37:26,409 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 14:37:26,409 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 14:37:26,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-09 14:37:26,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:37:26,603 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 14:37:26,603 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:37:26,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056295394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:26,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:37:26,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-09 14:37:26,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235155104] [2024-11-09 14:37:26,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:26,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 14:37:26,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:26,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 14:37:26,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-11-09 14:37:26,605 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 14:37:26,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:26,985 INFO L93 Difference]: Finished difference Result 1211 states and 1610 transitions. [2024-11-09 14:37:26,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 14:37:26,986 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 14:37:26,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:26,988 INFO L225 Difference]: With dead ends: 1211 [2024-11-09 14:37:26,988 INFO L226 Difference]: Without dead ends: 637 [2024-11-09 14:37:26,989 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 14:37:26,990 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 14:37:26,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1953 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 14:37:26,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-09 14:37:27,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 635. [2024-11-09 14:37:27,001 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 14:37:27,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 835 transitions. [2024-11-09 14:37:27,003 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 835 transitions. Word has length 217 [2024-11-09 14:37:27,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:27,003 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 835 transitions. [2024-11-09 14:37:27,004 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 14:37:27,004 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 835 transitions. [2024-11-09 14:37:27,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-09 14:37:27,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:27,005 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 14:37:27,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 14:37:27,205 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 14:37:27,206 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 14:37:27,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:27,206 INFO L85 PathProgramCache]: Analyzing trace with hash -2029513650, now seen corresponding path program 1 times [2024-11-09 14:37:27,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:27,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894413230] [2024-11-09 14:37:27,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:27,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:27,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 14:37:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:27,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 14:37:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:27,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 14:37:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:27,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-09 14:37:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:27,634 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 14:37:27,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:27,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894413230] [2024-11-09 14:37:27,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894413230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:27,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:37:27,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 14:37:27,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105042549] [2024-11-09 14:37:27,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:27,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 14:37:27,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:27,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 14:37:27,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 14:37:27,636 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 14:37:28,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:28,040 INFO L93 Difference]: Finished difference Result 1225 states and 1627 transitions. [2024-11-09 14:37:28,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 14:37:28,042 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 14:37:28,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:28,044 INFO L225 Difference]: With dead ends: 1225 [2024-11-09 14:37:28,044 INFO L226 Difference]: Without dead ends: 647 [2024-11-09 14:37:28,045 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 14:37:28,045 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 14:37:28,050 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 14:37:28,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-11-09 14:37:28,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 641. [2024-11-09 14:37:28,064 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 14:37:28,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 843 transitions. [2024-11-09 14:37:28,066 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 843 transitions. Word has length 217 [2024-11-09 14:37:28,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:28,067 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 843 transitions. [2024-11-09 14:37:28,067 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 14:37:28,067 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 843 transitions. [2024-11-09 14:37:28,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-09 14:37:28,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:28,068 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 14:37:28,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 14:37:28,068 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 14:37:28,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:28,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1814805444, now seen corresponding path program 1 times [2024-11-09 14:37:28,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:28,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482168120] [2024-11-09 14:37:28,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:28,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:28,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 14:37:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:28,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 14:37:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:28,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 14:37:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:28,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 14:37:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:28,675 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 14:37:28,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:28,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482168120] [2024-11-09 14:37:28,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482168120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:28,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:37:28,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 14:37:28,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734910991] [2024-11-09 14:37:28,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:28,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 14:37:28,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:28,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 14:37:28,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 14:37:28,677 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 14:37:29,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:29,160 INFO L93 Difference]: Finished difference Result 1239 states and 1643 transitions. [2024-11-09 14:37:29,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 14:37:29,161 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 14:37:29,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:29,163 INFO L225 Difference]: With dead ends: 1239 [2024-11-09 14:37:29,163 INFO L226 Difference]: Without dead ends: 663 [2024-11-09 14:37:29,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 14:37:29,164 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, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 14:37:29,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2682 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 14:37:29,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2024-11-09 14:37:29,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 655. [2024-11-09 14:37:29,180 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 14:37:29,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 861 transitions. [2024-11-09 14:37:29,185 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 861 transitions. Word has length 218 [2024-11-09 14:37:29,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:29,185 INFO L471 AbstractCegarLoop]: Abstraction has 655 states and 861 transitions. [2024-11-09 14:37:29,185 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 14:37:29,185 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 861 transitions. [2024-11-09 14:37:29,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-09 14:37:29,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:29,187 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 14:37:29,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 14:37:29,187 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 14:37:29,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:29,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1556499590, now seen corresponding path program 1 times [2024-11-09 14:37:29,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:29,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689164587] [2024-11-09 14:37:29,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:29,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:29,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:37:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:30,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 14:37:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:30,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-09 14:37:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:30,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 14:37:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:30,101 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 14:37:30,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:30,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689164587] [2024-11-09 14:37:30,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689164587] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:37:30,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465838416] [2024-11-09 14:37:30,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:30,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:37:30,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:37:30,104 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 14:37:30,105 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 14:37:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:30,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 1421 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 14:37:30,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:37:30,952 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 14:37:30,953 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:37:30,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465838416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:30,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:37:30,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-09 14:37:30,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136188728] [2024-11-09 14:37:30,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:30,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 14:37:30,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:30,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 14:37:30,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-11-09 14:37:30,955 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 14:37:31,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:31,150 INFO L93 Difference]: Finished difference Result 1248 states and 1653 transitions. [2024-11-09 14:37:31,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 14:37:31,151 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 14:37:31,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:31,154 INFO L225 Difference]: With dead ends: 1248 [2024-11-09 14:37:31,154 INFO L226 Difference]: Without dead ends: 665 [2024-11-09 14:37:31,155 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 14:37:31,155 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 14:37:31,157 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 14:37:31,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2024-11-09 14:37:31,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 659. [2024-11-09 14:37:31,170 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 14:37:31,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 865 transitions. [2024-11-09 14:37:31,172 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 865 transitions. Word has length 219 [2024-11-09 14:37:31,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:31,172 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 865 transitions. [2024-11-09 14:37:31,173 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 14:37:31,173 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 865 transitions. [2024-11-09 14:37:31,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-09 14:37:31,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:31,174 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 14:37:31,194 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 14:37:31,374 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 14:37:31,375 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 14:37:31,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:31,375 INFO L85 PathProgramCache]: Analyzing trace with hash -625974323, now seen corresponding path program 1 times [2024-11-09 14:37:31,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:31,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152366195] [2024-11-09 14:37:31,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:31,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:32,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:37:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:32,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 14:37:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:32,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-09 14:37:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:32,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 14:37:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:32,403 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 14:37:32,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:32,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152366195] [2024-11-09 14:37:32,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152366195] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:37:32,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368713015] [2024-11-09 14:37:32,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:32,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:37:32,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:37:32,407 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 14:37:32,409 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 14:37:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:33,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 1421 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 14:37:33,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:37:33,199 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 14:37:33,200 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:37:33,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368713015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:33,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:37:33,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2024-11-09 14:37:33,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681947583] [2024-11-09 14:37:33,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:33,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 14:37:33,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:33,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 14:37:33,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-11-09 14:37:33,202 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 14:37:33,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:33,355 INFO L93 Difference]: Finished difference Result 1135 states and 1506 transitions. [2024-11-09 14:37:33,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 14:37:33,357 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 14:37:33,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:33,360 INFO L225 Difference]: With dead ends: 1135 [2024-11-09 14:37:33,360 INFO L226 Difference]: Without dead ends: 681 [2024-11-09 14:37:33,361 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 14:37:33,361 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 14:37:33,364 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 14:37:33,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-11-09 14:37:33,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 673. [2024-11-09 14:37:33,379 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 14:37:33,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 881 transitions. [2024-11-09 14:37:33,380 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 881 transitions. Word has length 219 [2024-11-09 14:37:33,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:33,380 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 881 transitions. [2024-11-09 14:37:33,381 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 14:37:33,381 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 881 transitions. [2024-11-09 14:37:33,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-09 14:37:33,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:33,382 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 14:37:33,401 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 14:37:33,583 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 14:37:33,584 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 14:37:33,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:33,584 INFO L85 PathProgramCache]: Analyzing trace with hash -749035737, now seen corresponding path program 1 times [2024-11-09 14:37:33,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:33,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442075743] [2024-11-09 14:37:33,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:33,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:34,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:37:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:34,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 14:37:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:34,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 14:37:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:34,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 14:37:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:34,259 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 14:37:34,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:34,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442075743] [2024-11-09 14:37:34,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442075743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:34,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:37:34,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 14:37:34,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156549508] [2024-11-09 14:37:34,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:34,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 14:37:34,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:34,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 14:37:34,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 14:37:34,261 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 14:37:34,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:34,738 INFO L93 Difference]: Finished difference Result 1135 states and 1498 transitions. [2024-11-09 14:37:34,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 14:37:34,739 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 14:37:34,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:34,741 INFO L225 Difference]: With dead ends: 1135 [2024-11-09 14:37:34,741 INFO L226 Difference]: Without dead ends: 675 [2024-11-09 14:37:34,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 14:37:34,742 INFO L432 NwaCegarLoop]: 390 mSDtfsCounter, 20 mSDsluCounter, 1844 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 14:37:34,742 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 14:37:34,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2024-11-09 14:37:34,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 667. [2024-11-09 14:37:34,753 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 14:37:34,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 871 transitions. [2024-11-09 14:37:34,755 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 871 transitions. Word has length 220 [2024-11-09 14:37:34,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:34,755 INFO L471 AbstractCegarLoop]: Abstraction has 667 states and 871 transitions. [2024-11-09 14:37:34,756 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 14:37:34,756 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 871 transitions. [2024-11-09 14:37:34,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-09 14:37:34,756 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:34,757 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 14:37:34,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 14:37:34,757 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 14:37:34,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:34,757 INFO L85 PathProgramCache]: Analyzing trace with hash 511704914, now seen corresponding path program 1 times [2024-11-09 14:37:34,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:34,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397038793] [2024-11-09 14:37:34,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:34,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:35,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:37:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:35,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 14:37:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:35,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 14:37:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:35,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-09 14:37:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:35,267 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 14:37:35,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:35,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397038793] [2024-11-09 14:37:35,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397038793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:35,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:37:35,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 14:37:35,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187589913] [2024-11-09 14:37:35,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:35,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 14:37:35,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:35,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 14:37:35,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 14:37:35,269 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 14:37:35,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:35,586 INFO L93 Difference]: Finished difference Result 1134 states and 1495 transitions. [2024-11-09 14:37:35,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 14:37:35,588 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 14:37:35,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:35,590 INFO L225 Difference]: With dead ends: 1134 [2024-11-09 14:37:35,590 INFO L226 Difference]: Without dead ends: 679 [2024-11-09 14:37:35,591 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 14:37:35,591 INFO L432 NwaCegarLoop]: 393 mSDtfsCounter, 19 mSDsluCounter, 1280 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 14:37:35,591 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 14:37:35,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2024-11-09 14:37:35,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 673. [2024-11-09 14:37:35,605 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 14:37:35,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 877 transitions. [2024-11-09 14:37:35,606 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 877 transitions. Word has length 221 [2024-11-09 14:37:35,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:35,607 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 877 transitions. [2024-11-09 14:37:35,607 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 14:37:35,607 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 877 transitions. [2024-11-09 14:37:35,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-09 14:37:35,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:35,608 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 14:37:35,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 14:37:35,608 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 14:37:35,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:35,609 INFO L85 PathProgramCache]: Analyzing trace with hash -2137440482, now seen corresponding path program 1 times [2024-11-09 14:37:35,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:35,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722042958] [2024-11-09 14:37:35,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:35,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:36,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:37:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:36,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 14:37:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:36,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 14:37:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:36,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 14:37:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:36,349 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 14:37:36,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:36,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722042958] [2024-11-09 14:37:36,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722042958] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:37:36,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471556845] [2024-11-09 14:37:36,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:36,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:37:36,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:37:36,351 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 14:37:36,352 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 14:37:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:37,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 1421 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 14:37:37,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:37:37,761 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 14:37:37,761 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:37:37,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471556845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:37,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:37:37,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-09 14:37:37,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86220260] [2024-11-09 14:37:37,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:37,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 14:37:37,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:37,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 14:37:37,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-11-09 14:37:37,762 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 14:37:38,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:38,054 INFO L93 Difference]: Finished difference Result 1287 states and 1691 transitions. [2024-11-09 14:37:38,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 14:37:38,055 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 14:37:38,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:38,057 INFO L225 Difference]: With dead ends: 1287 [2024-11-09 14:37:38,057 INFO L226 Difference]: Without dead ends: 683 [2024-11-09 14:37:38,058 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 14:37:38,058 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 14:37:38,059 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 14:37:38,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2024-11-09 14:37:38,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 673. [2024-11-09 14:37:38,071 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 14:37:38,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 877 transitions. [2024-11-09 14:37:38,073 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 877 transitions. Word has length 222 [2024-11-09 14:37:38,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:38,074 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 877 transitions. [2024-11-09 14:37:38,074 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 14:37:38,074 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 877 transitions. [2024-11-09 14:37:38,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-09 14:37:38,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:38,075 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 14:37:38,097 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 14:37:38,276 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 14:37:38,276 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 14:37:38,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:38,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1882964567, now seen corresponding path program 1 times [2024-11-09 14:37:38,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:38,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865803686] [2024-11-09 14:37:38,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:38,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:38,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:37:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:38,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 14:37:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:38,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 14:37:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:38,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 14:37:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:38,823 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 14:37:38,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:38,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865803686] [2024-11-09 14:37:38,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865803686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:38,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:37:38,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 14:37:38,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351273505] [2024-11-09 14:37:38,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:38,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 14:37:38,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:38,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 14:37:38,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-09 14:37:38,825 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 14:37:39,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:39,332 INFO L93 Difference]: Finished difference Result 1297 states and 1706 transitions. [2024-11-09 14:37:39,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 14:37:39,332 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 14:37:39,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:39,335 INFO L225 Difference]: With dead ends: 1297 [2024-11-09 14:37:39,335 INFO L226 Difference]: Without dead ends: 693 [2024-11-09 14:37:39,335 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 14:37:39,336 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, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 14:37:39,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 3288 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 14:37:39,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-11-09 14:37:39,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 679. [2024-11-09 14:37:39,349 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 14:37:39,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 883 transitions. [2024-11-09 14:37:39,351 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 883 transitions. Word has length 222 [2024-11-09 14:37:39,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:39,351 INFO L471 AbstractCegarLoop]: Abstraction has 679 states and 883 transitions. [2024-11-09 14:37:39,351 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 14:37:39,351 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 883 transitions. [2024-11-09 14:37:39,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-09 14:37:39,352 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:39,352 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 14:37:39,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 14:37:39,352 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 14:37:39,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:39,353 INFO L85 PathProgramCache]: Analyzing trace with hash -690562666, now seen corresponding path program 1 times [2024-11-09 14:37:39,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:39,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106500749] [2024-11-09 14:37:39,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:39,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:40,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 14:37:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:40,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 14:37:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:40,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-09 14:37:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:40,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-09 14:37:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:40,479 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 14:37:40,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:40,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106500749] [2024-11-09 14:37:40,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106500749] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:37:40,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465784406] [2024-11-09 14:37:40,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:40,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:37:40,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:37:40,481 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 14:37:40,481 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 14:37:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:41,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 223 conjuncts are in the unsatisfiable core [2024-11-09 14:37:41,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:37:41,740 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 14:37:41,777 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 14:37:42,080 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 14:37:42,112 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 14:37:42,126 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 14:37:42,128 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 14:37:42,131 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 14:37:42,153 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-09 14:37:42,153 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 14:37:42,223 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 14:37:42,227 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 14:37:42,232 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 14:37:42,435 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-09 14:37:42,435 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 14:37:42,441 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 14:37:42,447 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