./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:43:27,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:43:27,352 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 13:43:27,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:43:27,356 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:43:27,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:43:27,379 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:43:27,379 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:43:27,380 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:43:27,380 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:43:27,381 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:43:27,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:43:27,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:43:27,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:43:27,382 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:43:27,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:43:27,383 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:43:27,383 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 13:43:27,383 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:43:27,384 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 13:43:27,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:43:27,384 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:43:27,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:43:27,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:43:27,385 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:43:27,385 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:43:27,386 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:43:27,386 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 13:43:27,386 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:43:27,387 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:43:27,387 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:43:27,387 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:43:27,387 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:43:27,388 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:43:27,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:43:27,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:43:27,389 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:43:27,389 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:43:27,389 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:43:27,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:43:27,390 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:43:27,390 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:43:27,390 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:43:27,391 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:43:27,391 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2024-11-19 13:43:27,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:43:27,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:43:27,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:43:27,626 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:43:27,626 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:43:27,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i [2024-11-19 13:43:28,926 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:43:29,186 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:43:29,186 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i [2024-11-19 13:43:29,203 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fae66ce8f/4e7bf07a572f40b6b8e326dcf3d6b525/FLAG5fbc2557c [2024-11-19 13:43:29,492 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fae66ce8f/4e7bf07a572f40b6b8e326dcf3d6b525 [2024-11-19 13:43:29,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:43:29,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:43:29,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:43:29,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:43:29,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:43:29,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:43:29" (1/1) ... [2024-11-19 13:43:29,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37839cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:43:29, skipping insertion in model container [2024-11-19 13:43:29,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:43:29" (1/1) ... [2024-11-19 13:43:29,560 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:43:30,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:43:30,030 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:43:30,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:43:30,198 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:43:30,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:43:30 WrapperNode [2024-11-19 13:43:30,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:43:30,199 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:43:30,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:43:30,200 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:43:30,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:43:30" (1/1) ... [2024-11-19 13:43:30,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:43:30" (1/1) ... [2024-11-19 13:43:30,294 INFO L138 Inliner]: procedures = 176, calls = 425, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1870 [2024-11-19 13:43:30,295 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:43:30,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:43:30,296 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:43:30,296 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:43:30,305 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:43:30" (1/1) ... [2024-11-19 13:43:30,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:43:30" (1/1) ... [2024-11-19 13:43:30,318 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:43:30" (1/1) ... [2024-11-19 13:43:30,431 INFO L175 MemorySlicer]: Split 403 memory accesses to 2 slices as follows [2, 401]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 98 writes are split as follows [0, 98]. [2024-11-19 13:43:30,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:43:30" (1/1) ... [2024-11-19 13:43:30,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:43:30" (1/1) ... [2024-11-19 13:43:30,461 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:43:30" (1/1) ... [2024-11-19 13:43:30,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:43:30" (1/1) ... [2024-11-19 13:43:30,475 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:43:30" (1/1) ... [2024-11-19 13:43:30,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:43:30" (1/1) ... [2024-11-19 13:43:30,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:43:30,488 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:43:30,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:43:30,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:43:30,489 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:43:30" (1/1) ... [2024-11-19 13:43:30,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:43:30,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:43:30,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:43:30,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:43:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 13:43:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 13:43:30,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 13:43:30,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 13:43:30,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 13:43:30,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 13:43:30,558 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 13:43:30,558 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 13:43:30,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 13:43:30,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:43:30,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 13:43:30,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 13:43:30,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 13:43:30,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 13:43:30,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 13:43:30,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 13:43:30,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 13:43:30,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:43:30,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:43:30,776 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:43:30,778 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:43:31,958 INFO L? ?]: Removed 424 outVars from TransFormulas that were not future-live. [2024-11-19 13:43:31,959 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:43:31,980 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:43:31,982 INFO L316 CfgBuilder]: Removed 77 assume(true) statements. [2024-11-19 13:43:31,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:43:31 BoogieIcfgContainer [2024-11-19 13:43:31,983 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:43:31,984 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:43:31,984 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:43:31,987 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:43:31,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:43:29" (1/3) ... [2024-11-19 13:43:31,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3538c599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:43:31, skipping insertion in model container [2024-11-19 13:43:31,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:43:30" (2/3) ... [2024-11-19 13:43:31,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3538c599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:43:31, skipping insertion in model container [2024-11-19 13:43:31,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:43:31" (3/3) ... [2024-11-19 13:43:31,989 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_nondet_test4-3.i [2024-11-19 13:43:32,001 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:43:32,001 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-19 13:43:32,056 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:43:32,062 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;@206ae765, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:43:32,062 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-19 13:43:32,066 INFO L276 IsEmpty]: Start isEmpty. Operand has 474 states, 462 states have (on average 1.619047619047619) internal successors, (748), 466 states have internal predecessors, (748), 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) [2024-11-19 13:43:32,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 13:43:32,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:43:32,071 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:43:32,072 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)] === [2024-11-19 13:43:32,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:43:32,076 INFO L85 PathProgramCache]: Analyzing trace with hash -699476840, now seen corresponding path program 1 times [2024-11-19 13:43:32,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:43:32,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734613486] [2024-11-19 13:43:32,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:43:32,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:43:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:43:32,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:43:32,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:43:32,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734613486] [2024-11-19 13:43:32,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734613486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:43:32,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:43:32,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 13:43:32,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288993876] [2024-11-19 13:43:32,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:43:32,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 13:43:32,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:43:32,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 13:43:32,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 13:43:32,227 INFO L87 Difference]: Start difference. First operand has 474 states, 462 states have (on average 1.619047619047619) internal successors, (748), 466 states have internal predecessors, (748), 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) [2024-11-19 13:43:32,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:43:32,280 INFO L93 Difference]: Finished difference Result 943 states and 1515 transitions. [2024-11-19 13:43:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 13:43:32,281 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 [2024-11-19 13:43:32,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:43:32,289 INFO L225 Difference]: With dead ends: 943 [2024-11-19 13:43:32,289 INFO L226 Difference]: Without dead ends: 398 [2024-11-19 13:43:32,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 13:43:32,295 INFO L432 NwaCegarLoop]: 672 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, 672 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:43:32,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 672 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:43:32,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-19 13:43:32,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2024-11-19 13:43:32,347 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) [2024-11-19 13:43:32,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 572 transitions. [2024-11-19 13:43:32,353 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 572 transitions. Word has length 7 [2024-11-19 13:43:32,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:43:32,353 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 572 transitions. [2024-11-19 13:43:32,355 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) [2024-11-19 13:43:32,355 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 572 transitions. [2024-11-19 13:43:32,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-19 13:43:32,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:43:32,356 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:43:32,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:43:32,356 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)] === [2024-11-19 13:43:32,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:43:32,357 INFO L85 PathProgramCache]: Analyzing trace with hash -208885906, now seen corresponding path program 1 times [2024-11-19 13:43:32,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:43:32,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321068440] [2024-11-19 13:43:32,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:43:32,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:43:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 13:43:32,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [214673930] [2024-11-19 13:43:32,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:43:32,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:43:32,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:43:32,389 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:43:32,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 13:43:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:43:32,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 13:43:32,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:43:32,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:43:32,684 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:43:32,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:43:32,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321068440] [2024-11-19 13:43:32,685 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 13:43:32,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214673930] [2024-11-19 13:43:32,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214673930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:43:32,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:43:32,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 13:43:32,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675580544] [2024-11-19 13:43:32,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:43:32,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:43:32,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:43:32,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:43:32,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:43:32,692 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) [2024-11-19 13:43:32,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:43:32,753 INFO L93 Difference]: Finished difference Result 785 states and 1133 transitions. [2024-11-19 13:43:32,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:43:32,754 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 [2024-11-19 13:43:32,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:43:32,760 INFO L225 Difference]: With dead ends: 785 [2024-11-19 13:43:32,760 INFO L226 Difference]: Without dead ends: 784 [2024-11-19 13:43:32,761 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 [2024-11-19 13:43:32,762 INFO L432 NwaCegarLoop]: 618 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, 1182 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 [2024-11-19 13:43:32,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 1182 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:43:32,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2024-11-19 13:43:32,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 403. [2024-11-19 13:43:32,793 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) [2024-11-19 13:43:32,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 577 transitions. [2024-11-19 13:43:32,795 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 577 transitions. Word has length 8 [2024-11-19 13:43:32,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:43:32,795 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 577 transitions. [2024-11-19 13:43:32,795 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) [2024-11-19 13:43:32,795 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 577 transitions. [2024-11-19 13:43:32,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-19 13:43:32,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:43:32,800 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] [2024-11-19 13:43:32,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 13:43:33,001 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 [2024-11-19 13:43:33,002 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)] === [2024-11-19 13:43:33,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:43:33,003 INFO L85 PathProgramCache]: Analyzing trace with hash 839446148, now seen corresponding path program 1 times [2024-11-19 13:43:33,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:43:33,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535009779] [2024-11-19 13:43:33,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:43:33,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:43:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:43:33,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:43:33,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:43:33,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535009779] [2024-11-19 13:43:33,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535009779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:43:33,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:43:33,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:43:33,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005764419] [2024-11-19 13:43:33,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:43:33,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:43:33,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:43:33,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:43:33,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:43:33,423 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) [2024-11-19 13:43:33,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:43:33,512 INFO L93 Difference]: Finished difference Result 801 states and 1149 transitions. [2024-11-19 13:43:33,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:43:33,513 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 [2024-11-19 13:43:33,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:43:33,514 INFO L225 Difference]: With dead ends: 801 [2024-11-19 13:43:33,515 INFO L226 Difference]: Without dead ends: 406 [2024-11-19 13:43:33,515 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 [2024-11-19 13:43:33,516 INFO L432 NwaCegarLoop]: 544 mSDtfsCounter, 105 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2024-11-19 13:43:33,516 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] [2024-11-19 13:43:33,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-19 13:43:33,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 403. [2024-11-19 13:43:33,522 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) [2024-11-19 13:43:33,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 570 transitions. [2024-11-19 13:43:33,523 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 570 transitions. Word has length 152 [2024-11-19 13:43:33,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:43:33,524 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 570 transitions. [2024-11-19 13:43:33,524 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) [2024-11-19 13:43:33,524 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 570 transitions. [2024-11-19 13:43:33,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-19 13:43:33,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:43:33,526 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] [2024-11-19 13:43:33,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 13:43:33,527 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)] === [2024-11-19 13:43:33,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:43:33,527 INFO L85 PathProgramCache]: Analyzing trace with hash -609280240, now seen corresponding path program 1 times [2024-11-19 13:43:33,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:43:33,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160721725] [2024-11-19 13:43:33,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:43:33,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:43:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:43:33,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:43:33,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:43:33,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160721725] [2024-11-19 13:43:33,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160721725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:43:33,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:43:33,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:43:33,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993808851] [2024-11-19 13:43:33,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:43:33,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:43:33,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:43:33,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:43:33,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:43:33,700 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) [2024-11-19 13:43:33,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:43:33,745 INFO L93 Difference]: Finished difference Result 925 states and 1319 transitions. [2024-11-19 13:43:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:43:33,748 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 [2024-11-19 13:43:33,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:43:33,750 INFO L225 Difference]: With dead ends: 925 [2024-11-19 13:43:33,750 INFO L226 Difference]: Without dead ends: 530 [2024-11-19 13:43:33,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:43:33,754 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 [2024-11-19 13:43:33,755 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] [2024-11-19 13:43:33,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-11-19 13:43:33,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 530. [2024-11-19 13:43:33,771 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) [2024-11-19 13:43:33,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 756 transitions. [2024-11-19 13:43:33,774 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 756 transitions. Word has length 152 [2024-11-19 13:43:33,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:43:33,775 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 756 transitions. [2024-11-19 13:43:33,776 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) [2024-11-19 13:43:33,776 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 756 transitions. [2024-11-19 13:43:33,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-19 13:43:33,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:43:33,781 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] [2024-11-19 13:43:33,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 13:43:33,782 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)] === [2024-11-19 13:43:33,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:43:33,782 INFO L85 PathProgramCache]: Analyzing trace with hash 601390206, now seen corresponding path program 1 times [2024-11-19 13:43:33,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:43:33,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609818851] [2024-11-19 13:43:33,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:43:33,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:43:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:43:34,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:43:34,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:43:34,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609818851] [2024-11-19 13:43:34,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609818851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:43:34,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:43:34,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:43:34,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065328089] [2024-11-19 13:43:34,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:43:34,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:43:34,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:43:34,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:43:34,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:43:34,125 INFO L87 Difference]: Start difference. First operand 530 states and 756 transitions. Second operand has 4 states, 4 states have (on average 40.0) 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) [2024-11-19 13:43:34,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:43:34,208 INFO L93 Difference]: Finished difference Result 928 states and 1321 transitions. [2024-11-19 13:43:34,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:43:34,208 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.0) 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 [2024-11-19 13:43:34,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:43:34,213 INFO L225 Difference]: With dead ends: 928 [2024-11-19 13:43:34,213 INFO L226 Difference]: Without dead ends: 533 [2024-11-19 13:43:34,214 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 [2024-11-19 13:43:34,215 INFO L432 NwaCegarLoop]: 537 mSDtfsCounter, 106 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1518 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:43:34,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1518 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:43:34,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2024-11-19 13:43:34,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 530. [2024-11-19 13:43:34,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 520 states have (on average 1.4173076923076924) internal successors, (737), 522 states have internal predecessors, (737), 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) [2024-11-19 13:43:34,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 749 transitions. [2024-11-19 13:43:34,233 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 749 transitions. Word has length 167 [2024-11-19 13:43:34,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:43:34,235 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 749 transitions. [2024-11-19 13:43:34,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.0) 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) [2024-11-19 13:43:34,235 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 749 transitions. [2024-11-19 13:43:34,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-19 13:43:34,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:43:34,239 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] [2024-11-19 13:43:34,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 13:43:34,242 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)] === [2024-11-19 13:43:34,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:43:34,242 INFO L85 PathProgramCache]: Analyzing trace with hash 2124470064, now seen corresponding path program 1 times [2024-11-19 13:43:34,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:43:34,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639838046] [2024-11-19 13:43:34,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:43:34,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:43:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:43:34,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:43:34,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:43:34,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639838046] [2024-11-19 13:43:34,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639838046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:43:34,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:43:34,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:43:34,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657853004] [2024-11-19 13:43:34,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:43:34,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:43:34,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:43:34,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:43:34,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:43:34,515 INFO L87 Difference]: Start difference. First operand 530 states and 749 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) 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) [2024-11-19 13:43:34,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:43:34,570 INFO L93 Difference]: Finished difference Result 931 states and 1313 transitions. [2024-11-19 13:43:34,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:43:34,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) 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 [2024-11-19 13:43:34,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:43:34,573 INFO L225 Difference]: With dead ends: 931 [2024-11-19 13:43:34,573 INFO L226 Difference]: Without dead ends: 536 [2024-11-19 13:43:34,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:43:34,574 INFO L432 NwaCegarLoop]: 552 mSDtfsCounter, 2 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:43:34,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1082 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:43:34,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-19 13:43:34,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2024-11-19 13:43:34,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 526 states have (on average 1.4125475285171103) internal successors, (743), 528 states have internal predecessors, (743), 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) [2024-11-19 13:43:34,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 755 transitions. [2024-11-19 13:43:34,582 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 755 transitions. Word has length 167 [2024-11-19 13:43:34,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:43:34,582 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 755 transitions. [2024-11-19 13:43:34,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) 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) [2024-11-19 13:43:34,583 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 755 transitions. [2024-11-19 13:43:34,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-19 13:43:34,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:43:34,584 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] [2024-11-19 13:43:34,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 13:43:34,584 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)] === [2024-11-19 13:43:34,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:43:34,584 INFO L85 PathProgramCache]: Analyzing trace with hash 586130034, now seen corresponding path program 1 times [2024-11-19 13:43:34,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:43:34,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451536799] [2024-11-19 13:43:34,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:43:34,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:43:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:43:34,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:43:34,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:43:34,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451536799] [2024-11-19 13:43:34,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451536799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:43:34,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:43:34,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:43:34,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102567697] [2024-11-19 13:43:34,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:43:34,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:43:34,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:43:34,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:43:34,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:43:34,762 INFO L87 Difference]: Start difference. First operand 536 states and 755 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) 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) [2024-11-19 13:43:34,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:43:34,796 INFO L93 Difference]: Finished difference Result 1131 states and 1590 transitions. [2024-11-19 13:43:34,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:43:34,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) 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 [2024-11-19 13:43:34,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:43:34,800 INFO L225 Difference]: With dead ends: 1131 [2024-11-19 13:43:34,800 INFO L226 Difference]: Without dead ends: 730 [2024-11-19 13:43:34,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:43:34,801 INFO L432 NwaCegarLoop]: 557 mSDtfsCounter, 319 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:43:34,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 1106 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:43:34,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2024-11-19 13:43:34,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 730. [2024-11-19 13:43:34,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 717 states have (on average 1.408647140864714) internal successors, (1010), 719 states have internal predecessors, (1010), 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) [2024-11-19 13:43:34,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 1028 transitions. [2024-11-19 13:43:34,812 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 1028 transitions. Word has length 167 [2024-11-19 13:43:34,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:43:34,812 INFO L471 AbstractCegarLoop]: Abstraction has 730 states and 1028 transitions. [2024-11-19 13:43:34,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) 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) [2024-11-19 13:43:34,813 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1028 transitions. [2024-11-19 13:43:34,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-19 13:43:34,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:43:34,814 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] [2024-11-19 13:43:34,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 13:43:34,814 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)] === [2024-11-19 13:43:34,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:43:34,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1457835018, now seen corresponding path program 1 times [2024-11-19 13:43:34,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:43:34,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024647597] [2024-11-19 13:43:34,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:43:34,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:43:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:43:35,107 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 13:43:35,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:43:35,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024647597] [2024-11-19 13:43:35,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024647597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:43:35,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:43:35,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:43:35,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506506776] [2024-11-19 13:43:35,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:43:35,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:43:35,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:43:35,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:43:35,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:43:35,109 INFO L87 Difference]: Start difference. First operand 730 states and 1028 transitions. Second operand has 4 states, 3 states have (on average 55.0) 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) [2024-11-19 13:43:35,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:43:35,145 INFO L93 Difference]: Finished difference Result 796 states and 1114 transitions. [2024-11-19 13:43:35,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:43:35,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 55.0) 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 [2024-11-19 13:43:35,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:43:35,148 INFO L225 Difference]: With dead ends: 796 [2024-11-19 13:43:35,148 INFO L226 Difference]: Without dead ends: 794 [2024-11-19 13:43:35,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:43:35,149 INFO L432 NwaCegarLoop]: 551 mSDtfsCounter, 371 mSDsluCounter, 1096 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 1647 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:43:35,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 1647 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:43:35,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2024-11-19 13:43:35,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 794. [2024-11-19 13:43:35,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 778 states have (on average 1.398457583547558) internal successors, (1088), 780 states have internal predecessors, (1088), 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) [2024-11-19 13:43:35,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1112 transitions. [2024-11-19 13:43:35,168 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1112 transitions. Word has length 182 [2024-11-19 13:43:35,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:43:35,169 INFO L471 AbstractCegarLoop]: Abstraction has 794 states and 1112 transitions. [2024-11-19 13:43:35,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 55.0) 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) [2024-11-19 13:43:35,170 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1112 transitions. [2024-11-19 13:43:35,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-19 13:43:35,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:43:35,173 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:43:35,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 13:43:35,173 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)] === [2024-11-19 13:43:35,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:43:35,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1287954457, now seen corresponding path program 1 times [2024-11-19 13:43:35,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:43:35,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334371346] [2024-11-19 13:43:35,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:43:35,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:43:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:43:36,198 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 13:43:36,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:43:36,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334371346] [2024-11-19 13:43:36,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334371346] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:43:36,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420047387] [2024-11-19 13:43:36,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:43:36,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:43:36,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:43:36,201 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:43:36,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 13:43:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:43:36,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-19 13:43:36,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:43:36,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:43:36,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-19 13:43:36,993 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-19 13:43:36,993 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 [2024-11-19 13:43:37,215 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 13:43:37,216 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:43:37,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420047387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:43:37,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:43:37,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2024-11-19 13:43:37,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295178488] [2024-11-19 13:43:37,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:43:37,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 13:43:37,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:43:37,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 13:43:37,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-19 13:43:37,218 INFO L87 Difference]: Start difference. First operand 794 states and 1112 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) [2024-11-19 13:43:41,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:43:49,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:43:53,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:43:58,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:44:02,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:44:06,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:44:10,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:44:15,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:44:19,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:44:23,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:44:26,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:44:30,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:44:34,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:44:38,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:44:40,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:40,456 INFO L93 Difference]: Finished difference Result 1553 states and 2170 transitions. [2024-11-19 13:44:40,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 13:44:40,457 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 [2024-11-19 13:44:40,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:40,460 INFO L225 Difference]: With dead ends: 1553 [2024-11-19 13:44:40,460 INFO L226 Difference]: Without dead ends: 847 [2024-11-19 13:44:40,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=90, Invalid=329, Unknown=1, NotChecked=0, Total=420 [2024-11-19 13:44:40,461 INFO L432 NwaCegarLoop]: 552 mSDtfsCounter, 822 mSDsluCounter, 2899 mSDsCounter, 0 mSdLazyCounter, 1169 mSolverCounterSat, 7 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 3451 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1169 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.7s IncrementalHoareTripleChecker+Time [2024-11-19 13:44:40,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 3451 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1169 Invalid, 14 Unknown, 0 Unchecked, 58.7s Time] [2024-11-19 13:44:40,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2024-11-19 13:44:40,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 828. [2024-11-19 13:44:40,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 812 states have (on average 1.3928571428571428) internal successors, (1131), 814 states have internal predecessors, (1131), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-19 13:44:40,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1155 transitions. [2024-11-19 13:44:40,476 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1155 transitions. Word has length 188 [2024-11-19 13:44:40,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:40,476 INFO L471 AbstractCegarLoop]: Abstraction has 828 states and 1155 transitions. [2024-11-19 13:44:40,476 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) [2024-11-19 13:44:40,477 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1155 transitions. [2024-11-19 13:44:40,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-19 13:44:40,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:40,478 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:44:40,497 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 13:44:40,678 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 [2024-11-19 13:44:40,679 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)] === [2024-11-19 13:44:40,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:40,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1603143653, now seen corresponding path program 1 times [2024-11-19 13:44:40,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:40,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805825487] [2024-11-19 13:44:40,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:40,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:40,860 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 13:44:40,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:40,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805825487] [2024-11-19 13:44:40,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805825487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:44:40,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:44:40,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:44:40,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276309183] [2024-11-19 13:44:40,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:44:40,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:44:40,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:44:40,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:44:40,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:44:40,862 INFO L87 Difference]: Start difference. First operand 828 states and 1155 transitions. Second operand has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:44:40,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:40,936 INFO L93 Difference]: Finished difference Result 1496 states and 2083 transitions. [2024-11-19 13:44:40,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 13:44:40,937 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 188 [2024-11-19 13:44:40,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:40,939 INFO L225 Difference]: With dead ends: 1496 [2024-11-19 13:44:40,939 INFO L226 Difference]: Without dead ends: 698 [2024-11-19 13:44:40,940 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 [2024-11-19 13:44:40,940 INFO L432 NwaCegarLoop]: 462 mSDtfsCounter, 9 mSDsluCounter, 905 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1367 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:44:40,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1367 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:44:40,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-11-19 13:44:40,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 698. [2024-11-19 13:44:40,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 682 states have (on average 1.3592375366568914) internal successors, (927), 684 states have internal predecessors, (927), 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) [2024-11-19 13:44:40,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 951 transitions. [2024-11-19 13:44:40,952 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 951 transitions. Word has length 188 [2024-11-19 13:44:40,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:40,952 INFO L471 AbstractCegarLoop]: Abstraction has 698 states and 951 transitions. [2024-11-19 13:44:40,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:44:40,953 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 951 transitions. [2024-11-19 13:44:40,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-19 13:44:40,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:40,954 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:44:40,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 13:44:40,954 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)] === [2024-11-19 13:44:40,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:40,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1953126337, now seen corresponding path program 1 times [2024-11-19 13:44:40,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:40,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748105113] [2024-11-19 13:44:40,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:40,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:41,695 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 13:44:41,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:41,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748105113] [2024-11-19 13:44:41,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748105113] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:44:41,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791828604] [2024-11-19 13:44:41,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:41,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:44:41,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:44:41,700 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:44:41,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 13:44:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:42,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-19 13:44:42,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:44:42,233 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 13:44:42,234 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:44:42,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791828604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:44:42,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:44:42,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-19 13:44:42,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311347149] [2024-11-19 13:44:42,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:44:42,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:44:42,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:44:42,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:44:42,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:44:42,235 INFO L87 Difference]: Start difference. First operand 698 states and 951 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) [2024-11-19 13:44:42,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:42,468 INFO L93 Difference]: Finished difference Result 1356 states and 1860 transitions. [2024-11-19 13:44:42,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:44:42,469 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 [2024-11-19 13:44:42,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:42,472 INFO L225 Difference]: With dead ends: 1356 [2024-11-19 13:44:42,472 INFO L226 Difference]: Without dead ends: 698 [2024-11-19 13:44:42,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:44:42,474 INFO L432 NwaCegarLoop]: 468 mSDtfsCounter, 13 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1279 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 13:44:42,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1279 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 13:44:42,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-11-19 13:44:42,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 698. [2024-11-19 13:44:42,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 682 states have (on average 1.3563049853372433) internal successors, (925), 684 states have internal predecessors, (925), 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) [2024-11-19 13:44:42,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 949 transitions. [2024-11-19 13:44:42,491 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 949 transitions. Word has length 189 [2024-11-19 13:44:42,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:42,491 INFO L471 AbstractCegarLoop]: Abstraction has 698 states and 949 transitions. [2024-11-19 13:44:42,491 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) [2024-11-19 13:44:42,491 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 949 transitions. [2024-11-19 13:44:42,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-19 13:44:42,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:42,493 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:44:42,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 13:44:42,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:44:42,697 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)] === [2024-11-19 13:44:42,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:42,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1539485556, now seen corresponding path program 1 times [2024-11-19 13:44:42,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:42,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105953428] [2024-11-19 13:44:42,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:42,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:43,100 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 13:44:43,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:43,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105953428] [2024-11-19 13:44:43,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105953428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:44:43,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:44:43,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 13:44:43,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032023396] [2024-11-19 13:44:43,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:44:43,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:44:43,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:44:43,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:44:43,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:44:43,103 INFO L87 Difference]: Start difference. First operand 698 states and 949 transitions. Second operand has 6 states, 6 states have (on average 28.833333333333332) 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) [2024-11-19 13:44:43,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:43,442 INFO L93 Difference]: Finished difference Result 1359 states and 1862 transitions. [2024-11-19 13:44:43,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 13:44:43,443 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.833333333333332) 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 [2024-11-19 13:44:43,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:43,445 INFO L225 Difference]: With dead ends: 1359 [2024-11-19 13:44:43,445 INFO L226 Difference]: Without dead ends: 704 [2024-11-19 13:44:43,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:44:43,446 INFO L432 NwaCegarLoop]: 467 mSDtfsCounter, 4 mSDsluCounter, 1200 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1667 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 13:44:43,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1667 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 13:44:43,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2024-11-19 13:44:43,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 704. [2024-11-19 13:44:43,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 688 states have (on average 1.3531976744186047) internal successors, (931), 690 states have internal predecessors, (931), 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) [2024-11-19 13:44:43,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 955 transitions. [2024-11-19 13:44:43,461 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 955 transitions. Word has length 190 [2024-11-19 13:44:43,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:43,462 INFO L471 AbstractCegarLoop]: Abstraction has 704 states and 955 transitions. [2024-11-19 13:44:43,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.833333333333332) 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) [2024-11-19 13:44:43,462 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 955 transitions. [2024-11-19 13:44:43,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-19 13:44:43,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:43,464 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] [2024-11-19 13:44:43,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 13:44:43,465 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)] === [2024-11-19 13:44:43,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:43,465 INFO L85 PathProgramCache]: Analyzing trace with hash 148056766, now seen corresponding path program 1 times [2024-11-19 13:44:43,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:43,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516685293] [2024-11-19 13:44:43,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:43,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:44,061 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 13:44:44,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:44,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516685293] [2024-11-19 13:44:44,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516685293] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:44:44,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713123271] [2024-11-19 13:44:44,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:44,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:44:44,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:44:44,064 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:44:44,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 13:44:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:44,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-19 13:44:44,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:44:44,859 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 13:44:44,859 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:44:44,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713123271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:44:44,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:44:44,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2024-11-19 13:44:44,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848111969] [2024-11-19 13:44:44,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:44:44,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:44:44,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:44:44,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:44:44,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:44:44,862 INFO L87 Difference]: Start difference. First operand 704 states and 955 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 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) [2024-11-19 13:44:45,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:45,765 INFO L93 Difference]: Finished difference Result 1253 states and 1697 transitions. [2024-11-19 13:44:45,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 13:44:45,765 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), 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 191 [2024-11-19 13:44:45,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:45,767 INFO L225 Difference]: With dead ends: 1253 [2024-11-19 13:44:45,767 INFO L226 Difference]: Without dead ends: 786 [2024-11-19 13:44:45,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:44:45,768 INFO L432 NwaCegarLoop]: 463 mSDtfsCounter, 12 mSDsluCounter, 1770 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2233 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 13:44:45,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2233 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 13:44:45,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2024-11-19 13:44:45,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 778. [2024-11-19 13:44:45,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 778 states, 762 states have (on average 1.337270341207349) internal successors, (1019), 764 states have internal predecessors, (1019), 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) [2024-11-19 13:44:45,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 1043 transitions. [2024-11-19 13:44:45,783 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 1043 transitions. Word has length 191 [2024-11-19 13:44:45,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:45,783 INFO L471 AbstractCegarLoop]: Abstraction has 778 states and 1043 transitions. [2024-11-19 13:44:45,783 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), 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) [2024-11-19 13:44:45,783 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1043 transitions. [2024-11-19 13:44:45,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-19 13:44:45,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:45,785 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, 1] [2024-11-19 13:44:45,802 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 13:44:45,985 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 [2024-11-19 13:44:45,986 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)] === [2024-11-19 13:44:45,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:45,986 INFO L85 PathProgramCache]: Analyzing trace with hash 217565898, now seen corresponding path program 1 times [2024-11-19 13:44:45,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:45,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833585194] [2024-11-19 13:44:45,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:45,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:46,713 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 13:44:46,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:46,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833585194] [2024-11-19 13:44:46,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833585194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:44:46,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:44:46,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:44:46,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289958982] [2024-11-19 13:44:46,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:44:46,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:44:46,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:44:46,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:44:46,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:44:46,715 INFO L87 Difference]: Start difference. First operand 778 states and 1043 transitions. Second operand has 8 states, 8 states have (on average 21.875) internal successors, (175), 8 states have internal predecessors, (175), 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) [2024-11-19 13:44:47,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:47,924 INFO L93 Difference]: Finished difference Result 1308 states and 1763 transitions. [2024-11-19 13:44:47,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 13:44:47,925 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.875) internal successors, (175), 8 states have internal predecessors, (175), 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 192 [2024-11-19 13:44:47,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:47,928 INFO L225 Difference]: With dead ends: 1308 [2024-11-19 13:44:47,928 INFO L226 Difference]: Without dead ends: 814 [2024-11-19 13:44:47,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:44:47,929 INFO L432 NwaCegarLoop]: 459 mSDtfsCounter, 25 mSDsluCounter, 1667 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 2126 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 13:44:47,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 2126 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 13:44:47,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2024-11-19 13:44:47,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 796. [2024-11-19 13:44:47,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 780 states have (on average 1.3397435897435896) internal successors, (1045), 782 states have internal predecessors, (1045), 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) [2024-11-19 13:44:47,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1069 transitions. [2024-11-19 13:44:47,945 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1069 transitions. Word has length 192 [2024-11-19 13:44:47,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:47,945 INFO L471 AbstractCegarLoop]: Abstraction has 796 states and 1069 transitions. [2024-11-19 13:44:47,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.875) internal successors, (175), 8 states have internal predecessors, (175), 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) [2024-11-19 13:44:47,946 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1069 transitions. [2024-11-19 13:44:47,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-19 13:44:47,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:47,947 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, 1, 1] [2024-11-19 13:44:47,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 13:44:47,948 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)] === [2024-11-19 13:44:47,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:47,948 INFO L85 PathProgramCache]: Analyzing trace with hash -2001197486, now seen corresponding path program 1 times [2024-11-19 13:44:47,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:47,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316431760] [2024-11-19 13:44:47,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:47,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:48,709 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 13:44:48,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:48,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316431760] [2024-11-19 13:44:48,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316431760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:44:48,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:44:48,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:44:48,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725963139] [2024-11-19 13:44:48,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:44:48,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:44:48,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:44:48,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:44:48,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:44:48,711 INFO L87 Difference]: Start difference. First operand 796 states and 1069 transitions. Second operand has 9 states, 9 states have (on average 19.555555555555557) internal successors, (176), 9 states have internal predecessors, (176), 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) [2024-11-19 13:44:50,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:50,213 INFO L93 Difference]: Finished difference Result 1332 states and 1796 transitions. [2024-11-19 13:44:50,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 13:44:50,214 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.555555555555557) internal successors, (176), 9 states have internal predecessors, (176), 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 193 [2024-11-19 13:44:50,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:50,219 INFO L225 Difference]: With dead ends: 1332 [2024-11-19 13:44:50,219 INFO L226 Difference]: Without dead ends: 824 [2024-11-19 13:44:50,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-19 13:44:50,225 INFO L432 NwaCegarLoop]: 465 mSDtfsCounter, 32 mSDsluCounter, 2466 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 2931 SdHoareTripleChecker+Invalid, 989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 13:44:50,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 2931 Invalid, 989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 986 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 13:44:50,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2024-11-19 13:44:50,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 812. [2024-11-19 13:44:50,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 796 states have (on average 1.3379396984924623) internal successors, (1065), 798 states have internal predecessors, (1065), 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) [2024-11-19 13:44:50,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1089 transitions. [2024-11-19 13:44:50,249 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1089 transitions. Word has length 193 [2024-11-19 13:44:50,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:50,249 INFO L471 AbstractCegarLoop]: Abstraction has 812 states and 1089 transitions. [2024-11-19 13:44:50,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.555555555555557) internal successors, (176), 9 states have internal predecessors, (176), 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) [2024-11-19 13:44:50,249 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1089 transitions. [2024-11-19 13:44:50,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-19 13:44:50,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:50,254 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, 1, 1] [2024-11-19 13:44:50,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 13:44:50,254 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)] === [2024-11-19 13:44:50,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:50,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1090269785, now seen corresponding path program 1 times [2024-11-19 13:44:50,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:50,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257627351] [2024-11-19 13:44:50,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:50,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:50,781 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 13:44:50,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:50,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257627351] [2024-11-19 13:44:50,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257627351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:44:50,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:44:50,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:44:50,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90999809] [2024-11-19 13:44:50,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:44:50,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:44:50,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:44:50,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:44:50,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:44:50,784 INFO L87 Difference]: Start difference. First operand 812 states and 1089 transitions. Second operand has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 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) [2024-11-19 13:44:51,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:51,595 INFO L93 Difference]: Finished difference Result 1340 states and 1803 transitions. [2024-11-19 13:44:51,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 13:44:51,597 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 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 193 [2024-11-19 13:44:51,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:51,601 INFO L225 Difference]: With dead ends: 1340 [2024-11-19 13:44:51,602 INFO L226 Difference]: Without dead ends: 822 [2024-11-19 13:44:51,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:44:51,603 INFO L432 NwaCegarLoop]: 470 mSDtfsCounter, 12 mSDsluCounter, 1331 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1801 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 13:44:51,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1801 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 13:44:51,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2024-11-19 13:44:51,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 818. [2024-11-19 13:44:51,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 802 states have (on average 1.3354114713216958) internal successors, (1071), 804 states have internal predecessors, (1071), 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) [2024-11-19 13:44:51,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1095 transitions. [2024-11-19 13:44:51,636 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1095 transitions. Word has length 193 [2024-11-19 13:44:51,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:51,636 INFO L471 AbstractCegarLoop]: Abstraction has 818 states and 1095 transitions. [2024-11-19 13:44:51,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 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) [2024-11-19 13:44:51,637 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1095 transitions. [2024-11-19 13:44:51,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-19 13:44:51,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:51,638 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, 1, 1, 1] [2024-11-19 13:44:51,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 13:44:51,639 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)] === [2024-11-19 13:44:51,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:51,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1834389433, now seen corresponding path program 1 times [2024-11-19 13:44:51,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:51,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754422620] [2024-11-19 13:44:51,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:51,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:52,237 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 13:44:52,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:52,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754422620] [2024-11-19 13:44:52,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754422620] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:44:52,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927638305] [2024-11-19 13:44:52,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:52,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:44:52,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:44:52,241 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:44:52,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 13:44:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:52,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 13:44:52,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:44:52,908 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 13:44:52,908 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:44:52,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927638305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:44:52,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:44:52,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 6 [2024-11-19 13:44:52,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530766041] [2024-11-19 13:44:52,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:44:52,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 13:44:52,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:44:52,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 13:44:52,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:44:52,910 INFO L87 Difference]: Start difference. First operand 818 states and 1095 transitions. Second operand has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:44:53,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:53,047 INFO L93 Difference]: Finished difference Result 1546 states and 2086 transitions. [2024-11-19 13:44:53,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 13:44:53,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 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 194 [2024-11-19 13:44:53,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:53,053 INFO L225 Difference]: With dead ends: 1546 [2024-11-19 13:44:53,053 INFO L226 Difference]: Without dead ends: 821 [2024-11-19 13:44:53,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:44:53,060 INFO L432 NwaCegarLoop]: 468 mSDtfsCounter, 445 mSDsluCounter, 1393 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 1861 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:44:53,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 1861 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:44:53,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-11-19 13:44:53,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 821. [2024-11-19 13:44:53,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 804 states have (on average 1.335820895522388) internal successors, (1074), 807 states have internal predecessors, (1074), 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) [2024-11-19 13:44:53,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1102 transitions. [2024-11-19 13:44:53,090 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1102 transitions. Word has length 194 [2024-11-19 13:44:53,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:53,090 INFO L471 AbstractCegarLoop]: Abstraction has 821 states and 1102 transitions. [2024-11-19 13:44:53,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:44:53,090 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1102 transitions. [2024-11-19 13:44:53,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-19 13:44:53,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:53,091 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, 1, 1, 1] [2024-11-19 13:44:53,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 13:44:53,291 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,SelfDestructingSolverStorable16 [2024-11-19 13:44:53,292 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)] === [2024-11-19 13:44:53,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:53,292 INFO L85 PathProgramCache]: Analyzing trace with hash 712142279, now seen corresponding path program 1 times [2024-11-19 13:44:53,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:53,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823845326] [2024-11-19 13:44:53,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:53,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:54,293 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-19 13:44:54,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:54,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823845326] [2024-11-19 13:44:54,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823845326] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:44:54,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001279423] [2024-11-19 13:44:54,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:44:54,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:44:54,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:44:54,299 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) [2024-11-19 13:44:54,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 13:44:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:44:55,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-19 13:44:55,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:44:55,596 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 13:44:55,596 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 13:44:56,395 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-19 13:44:56,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001279423] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 13:44:56,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 13:44:56,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 8] total 14 [2024-11-19 13:44:56,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137017235] [2024-11-19 13:44:56,395 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 13:44:56,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 13:44:56,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:44:56,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 13:44:56,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-19 13:44:56,397 INFO L87 Difference]: Start difference. First operand 821 states and 1102 transitions. Second operand has 14 states, 14 states have (on average 25.785714285714285) internal successors, (361), 14 states have internal predecessors, (361), 4 states have call successors, (11), 2 states have call predecessors, (11), 5 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-19 13:44:56,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:44:56,966 INFO L93 Difference]: Finished difference Result 1560 states and 2116 transitions. [2024-11-19 13:44:56,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 13:44:56,967 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 25.785714285714285) internal successors, (361), 14 states have internal predecessors, (361), 4 states have call successors, (11), 2 states have call predecessors, (11), 5 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 198 [2024-11-19 13:44:56,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:44:56,970 INFO L225 Difference]: With dead ends: 1560 [2024-11-19 13:44:56,970 INFO L226 Difference]: Without dead ends: 832 [2024-11-19 13:44:56,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2024-11-19 13:44:56,972 INFO L432 NwaCegarLoop]: 468 mSDtfsCounter, 388 mSDsluCounter, 4621 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 5089 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 13:44:56,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 5089 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 13:44:56,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2024-11-19 13:44:56,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 830. [2024-11-19 13:44:56,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 812 states have (on average 1.3399014778325122) internal successors, (1088), 815 states have internal predecessors, (1088), 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) [2024-11-19 13:44:56,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1116 transitions. [2024-11-19 13:44:56,985 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1116 transitions. Word has length 198 [2024-11-19 13:44:56,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:44:56,986 INFO L471 AbstractCegarLoop]: Abstraction has 830 states and 1116 transitions. [2024-11-19 13:44:56,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 25.785714285714285) internal successors, (361), 14 states have internal predecessors, (361), 4 states have call successors, (11), 2 states have call predecessors, (11), 5 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-19 13:44:56,986 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1116 transitions. [2024-11-19 13:44:56,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-19 13:44:56,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:44:56,987 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, 1, 1, 1] [2024-11-19 13:44:57,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 13:44:57,191 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,SelfDestructingSolverStorable17 [2024-11-19 13:44:57,192 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)] === [2024-11-19 13:44:57,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:44:57,193 INFO L85 PathProgramCache]: Analyzing trace with hash -273323769, now seen corresponding path program 2 times [2024-11-19 13:44:57,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:44:57,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524824178] [2024-11-19 13:44:57,193 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:44:57,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:44:57,725 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 13:44:57,725 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:44:58,119 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 5 proven. 71 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-19 13:44:58,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:44:58,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524824178] [2024-11-19 13:44:58,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524824178] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:44:58,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921532956] [2024-11-19 13:44:58,120 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:44:58,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:44:58,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:44:58,121 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) [2024-11-19 13:44:58,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 13:44:58,835 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 13:44:58,835 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:44:58,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-19 13:44:58,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:44:59,122 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 69 proven. 10 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-19 13:44:59,122 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 13:45:03,408 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 5 proven. 70 refuted. 1 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-19 13:45:03,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921532956] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 13:45:03,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 13:45:03,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 8] total 20 [2024-11-19 13:45:03,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126125315] [2024-11-19 13:45:03,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 13:45:03,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-19 13:45:03,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:45:03,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-19 13:45:03,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=266, Unknown=1, NotChecked=0, Total=380 [2024-11-19 13:45:03,410 INFO L87 Difference]: Start difference. First operand 830 states and 1116 transitions. Second operand has 20 states, 20 states have (on average 13.2) internal successors, (264), 20 states have internal predecessors, (264), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 1 states have call predecessors, (8), 3 states have call successors, (8)