./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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/nla-digbench-scaling/hard2_valuebound100.c -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 c39f3d25be406fa166da46a61b4a36c0a90262202dfdee83ae8e5211f182a6f7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:48:25,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:48:25,180 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:48:25,184 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:48:25,184 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:48:25,208 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:48:25,209 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:48:25,209 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:48:25,209 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:48:25,210 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:48:25,210 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:48:25,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:48:25,211 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:48:25,214 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:48:25,214 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:48:25,215 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:48:25,215 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:48:25,215 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:48:25,215 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:48:25,215 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:48:25,216 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:48:25,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:48:25,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:48:25,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:48:25,217 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:48:25,217 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:48:25,218 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:48:25,218 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:48:25,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:48:25,218 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:48:25,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:48:25,218 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:48:25,219 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:48:25,219 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:48:25,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:48:25,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:48:25,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:48:25,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:48:25,219 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:48:25,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:48:25,220 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:48:25,220 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:48:25,221 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:48:25,221 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:48:25,221 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c39f3d25be406fa166da46a61b4a36c0a90262202dfdee83ae8e5211f182a6f7 [2024-11-22 22:48:25,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:48:25,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:48:25,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:48:25,445 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:48:25,446 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:48:25,446 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound100.c [2024-11-22 22:48:26,775 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:48:26,924 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:48:26,924 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound100.c [2024-11-22 22:48:26,930 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed95d7b54/6f9280dd80b94d58ae3270f58a520281/FLAG2c56363f1 [2024-11-22 22:48:26,940 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed95d7b54/6f9280dd80b94d58ae3270f58a520281 [2024-11-22 22:48:26,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:48:26,944 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:48:26,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:48:26,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:48:26,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:48:26,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:48:26" (1/1) ... [2024-11-22 22:48:26,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33bb82d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:48:26, skipping insertion in model container [2024-11-22 22:48:26,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:48:26" (1/1) ... [2024-11-22 22:48:26,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:48:27,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:48:27,152 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:48:27,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:48:27,178 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:48:27,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:48:27 WrapperNode [2024-11-22 22:48:27,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:48:27,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:48:27,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:48:27,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:48:27,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:48:27" (1/1) ... [2024-11-22 22:48:27,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:48:27" (1/1) ... [2024-11-22 22:48:27,207 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2024-11-22 22:48:27,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:48:27,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:48:27,208 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:48:27,208 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:48:27,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:48:27" (1/1) ... [2024-11-22 22:48:27,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:48:27" (1/1) ... [2024-11-22 22:48:27,218 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:48:27" (1/1) ... [2024-11-22 22:48:27,228 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-11-22 22:48:27,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:48:27" (1/1) ... [2024-11-22 22:48:27,228 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:48:27" (1/1) ... [2024-11-22 22:48:27,231 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:48:27" (1/1) ... [2024-11-22 22:48:27,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:48:27" (1/1) ... [2024-11-22 22:48:27,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:48:27" (1/1) ... [2024-11-22 22:48:27,241 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:48:27" (1/1) ... [2024-11-22 22:48:27,242 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:48:27,244 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:48:27,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:48:27,247 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:48:27,248 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:48:27" (1/1) ... [2024-11-22 22:48:27,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:48:27,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:27,280 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) [2024-11-22 22:48:27,283 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 [2024-11-22 22:48:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:48:27,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:48:27,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 22:48:27,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:48:27,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:48:27,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 22:48:27,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 22:48:27,362 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:48:27,364 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:48:27,611 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-22 22:48:27,611 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:48:27,621 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:48:27,622 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-22 22:48:27,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:48:27 BoogieIcfgContainer [2024-11-22 22:48:27,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:48:27,624 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:48:27,624 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:48:27,626 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:48:27,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:48:26" (1/3) ... [2024-11-22 22:48:27,627 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6001f0ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:48:27, skipping insertion in model container [2024-11-22 22:48:27,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:48:27" (2/3) ... [2024-11-22 22:48:27,627 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6001f0ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:48:27, skipping insertion in model container [2024-11-22 22:48:27,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:48:27" (3/3) ... [2024-11-22 22:48:27,628 INFO L112 eAbstractionObserver]: Analyzing ICFG hard2_valuebound100.c [2024-11-22 22:48:27,641 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:48:27,641 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-22 22:48:27,680 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:48:27,685 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;@51cd0580, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:48:27,685 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-22 22:48:27,689 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 41 states have (on average 1.8048780487804879) internal successors, (74), 65 states have internal predecessors, (74), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 22:48:27,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-22 22:48:27,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:27,700 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:27,701 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:27,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:27,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1804971306, now seen corresponding path program 1 times [2024-11-22 22:48:27,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:27,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852046867] [2024-11-22 22:48:27,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:27,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:27,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:48:27,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:27,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852046867] [2024-11-22 22:48:27,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852046867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:48:27,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:48:27,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:48:27,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116505112] [2024-11-22 22:48:27,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:48:27,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 22:48:27,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:27,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 22:48:27,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:48:27,839 INFO L87 Difference]: Start difference. First operand has 74 states, 41 states have (on average 1.8048780487804879) internal successors, (74), 65 states have internal predecessors, (74), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) 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) [2024-11-22 22:48:27,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:27,860 INFO L93 Difference]: Finished difference Result 144 states and 178 transitions. [2024-11-22 22:48:27,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 22:48:27,861 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 [2024-11-22 22:48:27,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:27,866 INFO L225 Difference]: With dead ends: 144 [2024-11-22 22:48:27,867 INFO L226 Difference]: Without dead ends: 66 [2024-11-22 22:48:27,869 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 [2024-11-22 22:48:27,871 INFO L432 NwaCegarLoop]: 81 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, 81 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 [2024-11-22 22:48:27,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:48:27,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-22 22:48:27,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-22 22:48:27,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 36 states have (on average 1.7222222222222223) internal successors, (62), 59 states have internal predecessors, (62), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 22:48:27,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions. [2024-11-22 22:48:27,900 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 7 [2024-11-22 22:48:27,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:27,900 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions. [2024-11-22 22:48:27,900 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) [2024-11-22 22:48:27,901 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2024-11-22 22:48:27,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-22 22:48:27,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:27,902 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:27,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 22:48:27,902 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:27,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:27,903 INFO L85 PathProgramCache]: Analyzing trace with hash -589934396, now seen corresponding path program 1 times [2024-11-22 22:48:27,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:27,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025627845] [2024-11-22 22:48:27,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:27,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:48:27,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1068245688] [2024-11-22 22:48:27,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:27,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:27,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:27,927 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) [2024-11-22 22:48:27,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 22:48:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:27,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:48:27,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:48:28,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:48:28,029 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:48:28,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:28,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025627845] [2024-11-22 22:48:28,030 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:48:28,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068245688] [2024-11-22 22:48:28,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068245688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:48:28,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:48:28,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:48:28,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229763978] [2024-11-22 22:48:28,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:48:28,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:48:28,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:28,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:48:28,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:48:28,033 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-22 22:48:28,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:28,094 INFO L93 Difference]: Finished difference Result 138 states and 159 transitions. [2024-11-22 22:48:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:48:28,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 16 [2024-11-22 22:48:28,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:28,096 INFO L225 Difference]: With dead ends: 138 [2024-11-22 22:48:28,096 INFO L226 Difference]: Without dead ends: 89 [2024-11-22 22:48:28,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:48:28,097 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 16 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:28,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 97 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:48:28,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-22 22:48:28,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2024-11-22 22:48:28,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 52 states have (on average 1.6346153846153846) internal successors, (85), 75 states have internal predecessors, (85), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-22 22:48:28,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 105 transitions. [2024-11-22 22:48:28,106 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 105 transitions. Word has length 16 [2024-11-22 22:48:28,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:28,107 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 105 transitions. [2024-11-22 22:48:28,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-22 22:48:28,108 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 105 transitions. [2024-11-22 22:48:28,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-22 22:48:28,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:28,108 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:28,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 22:48:28,312 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 [2024-11-22 22:48:28,313 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:28,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:28,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1036301913, now seen corresponding path program 1 times [2024-11-22 22:48:28,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:28,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956417924] [2024-11-22 22:48:28,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:28,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:28,466 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:48:28,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:28,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956417924] [2024-11-22 22:48:28,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956417924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:48:28,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:48:28,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:48:28,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723128156] [2024-11-22 22:48:28,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:48:28,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:48:28,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:28,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:48:28,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:48:28,468 INFO L87 Difference]: Start difference. First operand 87 states and 105 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:48:28,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:28,524 INFO L93 Difference]: Finished difference Result 97 states and 112 transitions. [2024-11-22 22:48:28,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:48:28,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2024-11-22 22:48:28,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:28,527 INFO L225 Difference]: With dead ends: 97 [2024-11-22 22:48:28,527 INFO L226 Difference]: Without dead ends: 95 [2024-11-22 22:48:28,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:48:28,528 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 17 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:28,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 108 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:48:28,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-22 22:48:28,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2024-11-22 22:48:28,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 52 states have (on average 1.5961538461538463) internal successors, (83), 75 states have internal predecessors, (83), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-22 22:48:28,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 103 transitions. [2024-11-22 22:48:28,538 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 103 transitions. Word has length 24 [2024-11-22 22:48:28,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:28,538 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 103 transitions. [2024-11-22 22:48:28,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:48:28,538 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 103 transitions. [2024-11-22 22:48:28,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-22 22:48:28,539 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:28,539 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:28,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 22:48:28,540 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:28,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:28,540 INFO L85 PathProgramCache]: Analyzing trace with hash 2060586917, now seen corresponding path program 1 times [2024-11-22 22:48:28,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:28,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272716072] [2024-11-22 22:48:28,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:28,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:48:28,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1357941322] [2024-11-22 22:48:28,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:28,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:28,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:28,563 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) [2024-11-22 22:48:28,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 22:48:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:28,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:48:28,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:48:28,621 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:48:28,622 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:48:28,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:28,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272716072] [2024-11-22 22:48:28,622 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:48:28,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357941322] [2024-11-22 22:48:28,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357941322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:48:28,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:48:28,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:48:28,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404999729] [2024-11-22 22:48:28,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:48:28,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:48:28,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:28,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:48:28,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:48:28,625 INFO L87 Difference]: Start difference. First operand 87 states and 103 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:48:28,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:28,690 INFO L93 Difference]: Finished difference Result 122 states and 147 transitions. [2024-11-22 22:48:28,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:48:28,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2024-11-22 22:48:28,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:28,692 INFO L225 Difference]: With dead ends: 122 [2024-11-22 22:48:28,693 INFO L226 Difference]: Without dead ends: 118 [2024-11-22 22:48:28,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:48:28,694 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 39 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:28,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 90 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:48:28,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-22 22:48:28,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 104. [2024-11-22 22:48:28,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 67 states have (on average 1.5820895522388059) internal successors, (106), 90 states have internal predecessors, (106), 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) [2024-11-22 22:48:28,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 130 transitions. [2024-11-22 22:48:28,707 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 130 transitions. Word has length 25 [2024-11-22 22:48:28,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:28,707 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 130 transitions. [2024-11-22 22:48:28,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:48:28,707 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 130 transitions. [2024-11-22 22:48:28,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-22 22:48:28,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:28,708 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:28,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 22:48:28,909 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,SelfDestructingSolverStorable3 [2024-11-22 22:48:28,909 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:28,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:28,910 INFO L85 PathProgramCache]: Analyzing trace with hash 244106439, now seen corresponding path program 1 times [2024-11-22 22:48:28,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:28,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585454325] [2024-11-22 22:48:28,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:28,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:29,103 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:48:29,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:29,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585454325] [2024-11-22 22:48:29,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585454325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:48:29,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:48:29,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 22:48:29,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001969426] [2024-11-22 22:48:29,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:48:29,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:48:29,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:29,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:48:29,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:48:29,106 INFO L87 Difference]: Start difference. First operand 104 states and 130 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:48:29,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:29,286 INFO L93 Difference]: Finished difference Result 120 states and 144 transitions. [2024-11-22 22:48:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:48:29,287 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2024-11-22 22:48:29,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:29,288 INFO L225 Difference]: With dead ends: 120 [2024-11-22 22:48:29,288 INFO L226 Difference]: Without dead ends: 119 [2024-11-22 22:48:29,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:48:29,289 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 225 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:29,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 110 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:48:29,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-22 22:48:29,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 108. [2024-11-22 22:48:29,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 71 states have (on average 1.5492957746478873) internal successors, (110), 94 states have internal predecessors, (110), 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) [2024-11-22 22:48:29,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 134 transitions. [2024-11-22 22:48:29,299 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 134 transitions. Word has length 27 [2024-11-22 22:48:29,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:29,299 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 134 transitions. [2024-11-22 22:48:29,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:48:29,299 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 134 transitions. [2024-11-22 22:48:29,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-22 22:48:29,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:29,300 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:29,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 22:48:29,300 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:29,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:29,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1022634896, now seen corresponding path program 1 times [2024-11-22 22:48:29,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:29,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849064009] [2024-11-22 22:48:29,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:29,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:29,361 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:48:29,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:29,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849064009] [2024-11-22 22:48:29,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849064009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:48:29,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:48:29,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:48:29,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078590017] [2024-11-22 22:48:29,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:48:29,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:48:29,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:29,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:48:29,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:48:29,363 INFO L87 Difference]: Start difference. First operand 108 states and 134 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:48:29,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:29,513 INFO L93 Difference]: Finished difference Result 120 states and 147 transitions. [2024-11-22 22:48:29,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:48:29,513 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2024-11-22 22:48:29,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:29,514 INFO L225 Difference]: With dead ends: 120 [2024-11-22 22:48:29,514 INFO L226 Difference]: Without dead ends: 119 [2024-11-22 22:48:29,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:48:29,515 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 51 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:29,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 159 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:48:29,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-22 22:48:29,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 114. [2024-11-22 22:48:29,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 77 states have (on average 1.4935064935064934) internal successors, (115), 100 states have internal predecessors, (115), 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) [2024-11-22 22:48:29,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 139 transitions. [2024-11-22 22:48:29,535 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 139 transitions. Word has length 28 [2024-11-22 22:48:29,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:29,536 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 139 transitions. [2024-11-22 22:48:29,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:48:29,536 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 139 transitions. [2024-11-22 22:48:29,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-22 22:48:29,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:29,538 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:29,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 22:48:29,538 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:29,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:29,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1699862761, now seen corresponding path program 1 times [2024-11-22 22:48:29,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:29,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200528823] [2024-11-22 22:48:29,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:29,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:48:29,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1884950268] [2024-11-22 22:48:29,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:29,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:29,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:29,573 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) [2024-11-22 22:48:29,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 22:48:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:29,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:48:29,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:48:29,712 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:48:29,713 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:48:29,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:29,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200528823] [2024-11-22 22:48:29,713 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:48:29,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884950268] [2024-11-22 22:48:29,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884950268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:48:29,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:48:29,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:48:29,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742191285] [2024-11-22 22:48:29,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:48:29,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:48:29,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:29,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:48:29,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:48:29,715 INFO L87 Difference]: Start difference. First operand 114 states and 139 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:48:29,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:29,792 INFO L93 Difference]: Finished difference Result 125 states and 154 transitions. [2024-11-22 22:48:29,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:48:29,792 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2024-11-22 22:48:29,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:29,793 INFO L225 Difference]: With dead ends: 125 [2024-11-22 22:48:29,793 INFO L226 Difference]: Without dead ends: 115 [2024-11-22 22:48:29,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:48:29,794 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 38 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:29,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 114 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:48:29,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-22 22:48:29,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-22 22:48:29,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 80 states have (on average 1.4125) internal successors, (113), 99 states have internal predecessors, (113), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-22 22:48:29,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 141 transitions. [2024-11-22 22:48:29,803 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 141 transitions. Word has length 39 [2024-11-22 22:48:29,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:29,804 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 141 transitions. [2024-11-22 22:48:29,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:48:29,804 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 141 transitions. [2024-11-22 22:48:29,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-22 22:48:29,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:29,805 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:29,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 22:48:30,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:30,006 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:30,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:30,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1156138093, now seen corresponding path program 1 times [2024-11-22 22:48:30,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:30,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648990715] [2024-11-22 22:48:30,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:30,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:48:30,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [6708659] [2024-11-22 22:48:30,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:30,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:30,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:30,018 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) [2024-11-22 22:48:30,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 22:48:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:30,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:48:30,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:48:30,122 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:48:30,122 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:48:30,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:30,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648990715] [2024-11-22 22:48:30,324 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:48:30,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6708659] [2024-11-22 22:48:30,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6708659] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:48:30,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:48:30,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-22 22:48:30,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170872894] [2024-11-22 22:48:30,326 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:48:30,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:48:30,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:30,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:48:30,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:48:30,329 INFO L87 Difference]: Start difference. First operand 115 states and 141 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:48:30,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:30,430 INFO L93 Difference]: Finished difference Result 191 states and 246 transitions. [2024-11-22 22:48:30,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:48:30,430 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 40 [2024-11-22 22:48:30,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:30,431 INFO L225 Difference]: With dead ends: 191 [2024-11-22 22:48:30,432 INFO L226 Difference]: Without dead ends: 187 [2024-11-22 22:48:30,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:48:30,432 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 43 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:30,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 125 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:48:30,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-22 22:48:30,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 175. [2024-11-22 22:48:30,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 131 states have (on average 1.4198473282442747) internal successors, (186), 150 states have internal predecessors, (186), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:48:30,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 232 transitions. [2024-11-22 22:48:30,445 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 232 transitions. Word has length 40 [2024-11-22 22:48:30,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:30,445 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 232 transitions. [2024-11-22 22:48:30,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:48:30,446 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 232 transitions. [2024-11-22 22:48:30,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-22 22:48:30,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:30,446 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:30,453 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 22:48:30,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:30,651 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:30,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:30,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1891489937, now seen corresponding path program 1 times [2024-11-22 22:48:30,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:30,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622467825] [2024-11-22 22:48:30,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:30,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:30,761 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:48:30,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:30,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622467825] [2024-11-22 22:48:30,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622467825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:48:30,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:48:30,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 22:48:30,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066242388] [2024-11-22 22:48:30,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:48:30,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:48:30,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:30,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:48:30,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:48:30,762 INFO L87 Difference]: Start difference. First operand 175 states and 232 transitions. Second operand has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:48:30,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:30,875 INFO L93 Difference]: Finished difference Result 187 states and 244 transitions. [2024-11-22 22:48:30,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:48:30,876 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2024-11-22 22:48:30,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:30,877 INFO L225 Difference]: With dead ends: 187 [2024-11-22 22:48:30,877 INFO L226 Difference]: Without dead ends: 186 [2024-11-22 22:48:30,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:48:30,878 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 197 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:30,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 117 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:48:30,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-22 22:48:30,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 176. [2024-11-22 22:48:30,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 132 states have (on average 1.4166666666666667) internal successors, (187), 151 states have internal predecessors, (187), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:48:30,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 233 transitions. [2024-11-22 22:48:30,897 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 233 transitions. Word has length 44 [2024-11-22 22:48:30,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:30,898 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 233 transitions. [2024-11-22 22:48:30,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:48:30,898 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 233 transitions. [2024-11-22 22:48:30,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-22 22:48:30,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:30,899 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:30,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 22:48:30,899 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:30,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:30,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1493353966, now seen corresponding path program 1 times [2024-11-22 22:48:30,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:30,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028366426] [2024-11-22 22:48:30,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:30,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:30,949 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:48:30,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:30,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028366426] [2024-11-22 22:48:30,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028366426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:48:30,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:48:30,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:48:30,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505854572] [2024-11-22 22:48:30,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:48:30,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:48:30,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:30,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:48:30,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:48:30,951 INFO L87 Difference]: Start difference. First operand 176 states and 233 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:48:31,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:31,048 INFO L93 Difference]: Finished difference Result 181 states and 237 transitions. [2024-11-22 22:48:31,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:48:31,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2024-11-22 22:48:31,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:31,050 INFO L225 Difference]: With dead ends: 181 [2024-11-22 22:48:31,050 INFO L226 Difference]: Without dead ends: 166 [2024-11-22 22:48:31,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:48:31,051 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 4 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:31,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 164 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:48:31,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-22 22:48:31,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2024-11-22 22:48:31,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 124 states have (on average 1.435483870967742) internal successors, (178), 143 states have internal predecessors, (178), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-22 22:48:31,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 220 transitions. [2024-11-22 22:48:31,060 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 220 transitions. Word has length 45 [2024-11-22 22:48:31,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:31,060 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 220 transitions. [2024-11-22 22:48:31,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:48:31,061 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 220 transitions. [2024-11-22 22:48:31,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-22 22:48:31,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:31,061 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:31,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 22:48:31,061 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:31,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:31,061 INFO L85 PathProgramCache]: Analyzing trace with hash -467908226, now seen corresponding path program 1 times [2024-11-22 22:48:31,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:31,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012958750] [2024-11-22 22:48:31,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:31,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:31,096 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 22:48:31,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:31,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012958750] [2024-11-22 22:48:31,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012958750] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:48:31,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714258356] [2024-11-22 22:48:31,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:31,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:31,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:31,105 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) [2024-11-22 22:48:31,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 22:48:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:31,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:48:31,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:48:31,171 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 22:48:31,171 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:48:31,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714258356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:48:31,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:48:31,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-22 22:48:31,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915812654] [2024-11-22 22:48:31,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:48:31,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:48:31,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:31,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:48:31,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:48:31,172 INFO L87 Difference]: Start difference. First operand 166 states and 220 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-22 22:48:31,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:31,238 INFO L93 Difference]: Finished difference Result 250 states and 341 transitions. [2024-11-22 22:48:31,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:48:31,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2024-11-22 22:48:31,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:31,239 INFO L225 Difference]: With dead ends: 250 [2024-11-22 22:48:31,239 INFO L226 Difference]: Without dead ends: 248 [2024-11-22 22:48:31,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:48:31,240 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 58 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:31,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 115 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:48:31,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-22 22:48:31,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 227. [2024-11-22 22:48:31,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 178 states have (on average 1.4438202247191012) internal successors, (257), 196 states have internal predecessors, (257), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-22 22:48:31,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 315 transitions. [2024-11-22 22:48:31,252 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 315 transitions. Word has length 47 [2024-11-22 22:48:31,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:31,252 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 315 transitions. [2024-11-22 22:48:31,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-22 22:48:31,253 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 315 transitions. [2024-11-22 22:48:31,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-22 22:48:31,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:31,253 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:31,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-22 22:48:31,454 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,SelfDestructingSolverStorable10 [2024-11-22 22:48:31,454 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:31,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:31,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1620253054, now seen corresponding path program 1 times [2024-11-22 22:48:31,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:31,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256388449] [2024-11-22 22:48:31,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:31,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:31,491 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 22:48:31,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:31,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256388449] [2024-11-22 22:48:31,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256388449] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:48:31,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44824835] [2024-11-22 22:48:31,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:31,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:31,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:31,498 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) [2024-11-22 22:48:31,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 22:48:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:31,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:48:31,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:48:31,574 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 22:48:31,575 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:48:31,638 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 22:48:31,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44824835] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:48:31,639 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:48:31,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-22 22:48:31,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974661648] [2024-11-22 22:48:31,639 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:48:31,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:48:31,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:31,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:48:31,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:48:31,640 INFO L87 Difference]: Start difference. First operand 227 states and 315 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-22 22:48:31,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:31,765 INFO L93 Difference]: Finished difference Result 375 states and 514 transitions. [2024-11-22 22:48:31,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:48:31,765 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 48 [2024-11-22 22:48:31,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:31,767 INFO L225 Difference]: With dead ends: 375 [2024-11-22 22:48:31,767 INFO L226 Difference]: Without dead ends: 373 [2024-11-22 22:48:31,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:48:31,767 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 102 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:31,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 232 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:48:31,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-22 22:48:31,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 327. [2024-11-22 22:48:31,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 262 states have (on average 1.4427480916030535) internal successors, (378), 280 states have internal predecessors, (378), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-22 22:48:31,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 468 transitions. [2024-11-22 22:48:31,784 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 468 transitions. Word has length 48 [2024-11-22 22:48:31,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:31,784 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 468 transitions. [2024-11-22 22:48:31,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-22 22:48:31,785 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 468 transitions. [2024-11-22 22:48:31,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-22 22:48:31,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:31,785 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:31,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-22 22:48:31,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:31,986 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:31,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:31,987 INFO L85 PathProgramCache]: Analyzing trace with hash 2137738517, now seen corresponding path program 1 times [2024-11-22 22:48:31,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:31,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737319493] [2024-11-22 22:48:31,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:31,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:48:31,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2072920140] [2024-11-22 22:48:31,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:31,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:31,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:31,999 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) [2024-11-22 22:48:32,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 22:48:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:32,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:48:32,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:48:32,164 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-22 22:48:32,164 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:48:32,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:32,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737319493] [2024-11-22 22:48:32,164 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:48:32,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072920140] [2024-11-22 22:48:32,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072920140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:48:32,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:48:32,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:48:32,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679747661] [2024-11-22 22:48:32,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:48:32,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:48:32,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:32,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:48:32,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:48:32,168 INFO L87 Difference]: Start difference. First operand 327 states and 468 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:48:32,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:32,241 INFO L93 Difference]: Finished difference Result 346 states and 493 transitions. [2024-11-22 22:48:32,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:48:32,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2024-11-22 22:48:32,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:32,243 INFO L225 Difference]: With dead ends: 346 [2024-11-22 22:48:32,243 INFO L226 Difference]: Without dead ends: 340 [2024-11-22 22:48:32,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:48:32,244 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 104 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:32,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 81 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:48:32,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-22 22:48:32,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 324. [2024-11-22 22:48:32,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 259 states have (on average 1.4131274131274132) internal successors, (366), 277 states have internal predecessors, (366), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-22 22:48:32,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 456 transitions. [2024-11-22 22:48:32,260 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 456 transitions. Word has length 51 [2024-11-22 22:48:32,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:32,260 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 456 transitions. [2024-11-22 22:48:32,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:48:32,260 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 456 transitions. [2024-11-22 22:48:32,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-22 22:48:32,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:32,261 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-22 22:48:32,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-22 22:48:32,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:32,466 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:32,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:32,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1874334318, now seen corresponding path program 2 times [2024-11-22 22:48:32,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:32,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880384199] [2024-11-22 22:48:32,467 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:48:32,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:32,476 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:48:32,477 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:48:32,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1935809928] [2024-11-22 22:48:32,477 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:48:32,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:32,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:32,479 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:48:32,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 22:48:32,512 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:48:32,512 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:48:32,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:48:32,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:48:32,589 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-22 22:48:32,589 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:48:32,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:32,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880384199] [2024-11-22 22:48:32,744 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:48:32,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935809928] [2024-11-22 22:48:32,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935809928] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:48:32,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:48:32,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-22 22:48:32,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578289566] [2024-11-22 22:48:32,745 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:48:32,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:48:32,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:32,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:48:32,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:48:32,746 INFO L87 Difference]: Start difference. First operand 324 states and 456 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-22 22:48:32,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:32,899 INFO L93 Difference]: Finished difference Result 419 states and 587 transitions. [2024-11-22 22:48:32,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:48:32,900 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 63 [2024-11-22 22:48:32,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:32,902 INFO L225 Difference]: With dead ends: 419 [2024-11-22 22:48:32,902 INFO L226 Difference]: Without dead ends: 415 [2024-11-22 22:48:32,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:48:32,903 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 66 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:32,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 143 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:48:32,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-22 22:48:32,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 324. [2024-11-22 22:48:32,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 259 states have (on average 1.4054054054054055) internal successors, (364), 277 states have internal predecessors, (364), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-22 22:48:32,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 454 transitions. [2024-11-22 22:48:32,918 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 454 transitions. Word has length 63 [2024-11-22 22:48:32,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:32,918 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 454 transitions. [2024-11-22 22:48:32,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-22 22:48:32,919 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 454 transitions. [2024-11-22 22:48:32,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-22 22:48:32,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:32,919 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:32,929 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-22 22:48:33,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-22 22:48:33,120 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:33,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:33,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1822751055, now seen corresponding path program 1 times [2024-11-22 22:48:33,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:33,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242350039] [2024-11-22 22:48:33,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:33,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:33,152 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-22 22:48:33,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:33,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242350039] [2024-11-22 22:48:33,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242350039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:48:33,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:48:33,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:48:33,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377983563] [2024-11-22 22:48:33,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:48:33,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:48:33,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:33,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:48:33,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:48:33,154 INFO L87 Difference]: Start difference. First operand 324 states and 454 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:48:33,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:33,211 INFO L93 Difference]: Finished difference Result 324 states and 454 transitions. [2024-11-22 22:48:33,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:48:33,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 70 [2024-11-22 22:48:33,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:33,213 INFO L225 Difference]: With dead ends: 324 [2024-11-22 22:48:33,213 INFO L226 Difference]: Without dead ends: 323 [2024-11-22 22:48:33,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:48:33,214 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 2 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:33,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 99 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:48:33,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-22 22:48:33,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2024-11-22 22:48:33,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 259 states have (on average 1.3822393822393821) internal successors, (358), 276 states have internal predecessors, (358), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-22 22:48:33,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 448 transitions. [2024-11-22 22:48:33,230 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 448 transitions. Word has length 70 [2024-11-22 22:48:33,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:33,230 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 448 transitions. [2024-11-22 22:48:33,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:48:33,230 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 448 transitions. [2024-11-22 22:48:33,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-22 22:48:33,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:33,231 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:33,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 22:48:33,231 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:33,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:33,232 INFO L85 PathProgramCache]: Analyzing trace with hash -670707744, now seen corresponding path program 1 times [2024-11-22 22:48:33,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:33,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252434922] [2024-11-22 22:48:33,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:33,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:33,377 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-22 22:48:33,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:33,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252434922] [2024-11-22 22:48:33,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252434922] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:48:33,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467903707] [2024-11-22 22:48:33,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:33,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:33,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:33,381 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:48:33,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-22 22:48:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:33,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:48:33,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:48:33,556 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-22 22:48:33,557 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:48:33,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467903707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:48:33,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:48:33,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-22 22:48:33,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190431598] [2024-11-22 22:48:33,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:48:33,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:48:33,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:33,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:48:33,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:48:33,558 INFO L87 Difference]: Start difference. First operand 323 states and 448 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 22:48:33,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:33,655 INFO L93 Difference]: Finished difference Result 341 states and 463 transitions. [2024-11-22 22:48:33,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:48:33,656 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2024-11-22 22:48:33,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:33,657 INFO L225 Difference]: With dead ends: 341 [2024-11-22 22:48:33,657 INFO L226 Difference]: Without dead ends: 340 [2024-11-22 22:48:33,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:48:33,658 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 124 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:33,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 128 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:48:33,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-22 22:48:33,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 323. [2024-11-22 22:48:33,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 259 states have (on average 1.3706563706563706) internal successors, (355), 276 states have internal predecessors, (355), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-22 22:48:33,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 445 transitions. [2024-11-22 22:48:33,674 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 445 transitions. Word has length 71 [2024-11-22 22:48:33,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:33,674 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 445 transitions. [2024-11-22 22:48:33,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 22:48:33,674 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 445 transitions. [2024-11-22 22:48:33,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-22 22:48:33,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:33,675 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:33,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-22 22:48:33,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-22 22:48:33,879 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:33,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:33,879 INFO L85 PathProgramCache]: Analyzing trace with hash 682896531, now seen corresponding path program 1 times [2024-11-22 22:48:33,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:33,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919264224] [2024-11-22 22:48:33,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:33,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:34,014 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-22 22:48:34,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:34,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919264224] [2024-11-22 22:48:34,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919264224] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:48:34,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759426082] [2024-11-22 22:48:34,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:34,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:34,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:34,017 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:48:34,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-22 22:48:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:34,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:48:34,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:48:34,230 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-22 22:48:34,230 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:48:34,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759426082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:48:34,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:48:34,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-22 22:48:34,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572045925] [2024-11-22 22:48:34,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:48:34,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:48:34,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:34,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:48:34,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:48:34,231 INFO L87 Difference]: Start difference. First operand 323 states and 445 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:48:34,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:34,367 INFO L93 Difference]: Finished difference Result 342 states and 466 transitions. [2024-11-22 22:48:34,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:48:34,368 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 72 [2024-11-22 22:48:34,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:34,369 INFO L225 Difference]: With dead ends: 342 [2024-11-22 22:48:34,369 INFO L226 Difference]: Without dead ends: 341 [2024-11-22 22:48:34,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:48:34,369 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 52 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:34,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 97 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:48:34,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-22 22:48:34,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 332. [2024-11-22 22:48:34,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 268 states have (on average 1.3582089552238805) internal successors, (364), 285 states have internal predecessors, (364), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-22 22:48:34,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 454 transitions. [2024-11-22 22:48:34,387 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 454 transitions. Word has length 72 [2024-11-22 22:48:34,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:34,388 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 454 transitions. [2024-11-22 22:48:34,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:48:34,388 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 454 transitions. [2024-11-22 22:48:34,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-22 22:48:34,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:34,388 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:34,394 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-22 22:48:34,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-22 22:48:34,589 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:34,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:34,590 INFO L85 PathProgramCache]: Analyzing trace with hash -305043902, now seen corresponding path program 1 times [2024-11-22 22:48:34,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:34,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363473382] [2024-11-22 22:48:34,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:34,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:34,671 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-22 22:48:34,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:34,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363473382] [2024-11-22 22:48:34,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363473382] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:48:34,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956736754] [2024-11-22 22:48:34,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:34,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:34,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:34,674 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:48:34,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-22 22:48:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:34,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:48:34,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:48:34,803 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-22 22:48:34,803 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:48:34,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956736754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:48:34,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:48:34,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-22 22:48:34,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845558656] [2024-11-22 22:48:34,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:48:34,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:48:34,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:34,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:48:34,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:48:34,804 INFO L87 Difference]: Start difference. First operand 332 states and 454 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:48:34,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:34,868 INFO L93 Difference]: Finished difference Result 341 states and 460 transitions. [2024-11-22 22:48:34,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:48:34,868 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 73 [2024-11-22 22:48:34,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:34,869 INFO L225 Difference]: With dead ends: 341 [2024-11-22 22:48:34,869 INFO L226 Difference]: Without dead ends: 339 [2024-11-22 22:48:34,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:48:34,870 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 27 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:34,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 102 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:48:34,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-22 22:48:34,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 335. [2024-11-22 22:48:34,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 271 states have (on average 1.3284132841328413) internal successors, (360), 288 states have internal predecessors, (360), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-22 22:48:34,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 450 transitions. [2024-11-22 22:48:34,889 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 450 transitions. Word has length 73 [2024-11-22 22:48:34,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:34,889 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 450 transitions. [2024-11-22 22:48:34,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:48:34,890 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 450 transitions. [2024-11-22 22:48:34,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-22 22:48:34,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:34,890 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:34,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-22 22:48:35,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-22 22:48:35,091 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:35,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:35,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1089411164, now seen corresponding path program 1 times [2024-11-22 22:48:35,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:35,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401885957] [2024-11-22 22:48:35,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:35,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:48:35,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1738363081] [2024-11-22 22:48:35,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:35,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:35,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:35,105 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:48:35,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-22 22:48:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:35,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:48:35,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:48:35,317 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-22 22:48:35,317 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:48:35,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:35,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401885957] [2024-11-22 22:48:35,670 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:48:35,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738363081] [2024-11-22 22:48:35,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738363081] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:48:35,670 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:48:35,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-22 22:48:35,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425853612] [2024-11-22 22:48:35,670 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:48:35,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:48:35,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:35,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:48:35,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:48:35,672 INFO L87 Difference]: Start difference. First operand 335 states and 450 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:48:35,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:35,813 INFO L93 Difference]: Finished difference Result 419 states and 576 transitions. [2024-11-22 22:48:35,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:48:35,813 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 75 [2024-11-22 22:48:35,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:35,815 INFO L225 Difference]: With dead ends: 419 [2024-11-22 22:48:35,815 INFO L226 Difference]: Without dead ends: 418 [2024-11-22 22:48:35,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:48:35,816 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 74 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:35,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 110 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:48:35,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-22 22:48:35,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 395. [2024-11-22 22:48:35,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 325 states have (on average 1.3446153846153845) internal successors, (437), 342 states have internal predecessors, (437), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-22 22:48:35,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 539 transitions. [2024-11-22 22:48:35,850 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 539 transitions. Word has length 75 [2024-11-22 22:48:35,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:35,850 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 539 transitions. [2024-11-22 22:48:35,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:48:35,850 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 539 transitions. [2024-11-22 22:48:35,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-22 22:48:35,851 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:35,851 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:35,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-22 22:48:36,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:36,056 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:36,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:36,057 INFO L85 PathProgramCache]: Analyzing trace with hash 587992367, now seen corresponding path program 1 times [2024-11-22 22:48:36,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:36,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118072539] [2024-11-22 22:48:36,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:36,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:48:36,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [30862347] [2024-11-22 22:48:36,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:36,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:36,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:36,077 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:48:36,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-22 22:48:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:36,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:48:36,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:48:36,250 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-22 22:48:36,250 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:48:36,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:36,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118072539] [2024-11-22 22:48:36,660 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:48:36,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30862347] [2024-11-22 22:48:36,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30862347] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:48:36,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:48:36,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-22 22:48:36,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995548792] [2024-11-22 22:48:36,660 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:48:36,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:48:36,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:36,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:48:36,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:48:36,661 INFO L87 Difference]: Start difference. First operand 395 states and 539 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:48:36,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:36,733 INFO L93 Difference]: Finished difference Result 399 states and 539 transitions. [2024-11-22 22:48:36,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:48:36,733 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 76 [2024-11-22 22:48:36,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:36,735 INFO L225 Difference]: With dead ends: 399 [2024-11-22 22:48:36,735 INFO L226 Difference]: Without dead ends: 396 [2024-11-22 22:48:36,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:48:36,736 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 53 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:36,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 71 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:48:36,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-22 22:48:36,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 393. [2024-11-22 22:48:36,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 325 states have (on average 1.2738461538461539) internal successors, (414), 340 states have internal predecessors, (414), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-22 22:48:36,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 516 transitions. [2024-11-22 22:48:36,759 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 516 transitions. Word has length 76 [2024-11-22 22:48:36,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:36,759 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 516 transitions. [2024-11-22 22:48:36,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:48:36,759 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 516 transitions. [2024-11-22 22:48:36,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-22 22:48:36,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:36,760 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:36,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-22 22:48:36,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-22 22:48:36,965 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:36,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:36,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1047894278, now seen corresponding path program 1 times [2024-11-22 22:48:36,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:36,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901042626] [2024-11-22 22:48:36,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:36,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:37,015 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-22 22:48:37,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:37,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901042626] [2024-11-22 22:48:37,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901042626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:48:37,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:48:37,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:48:37,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905617490] [2024-11-22 22:48:37,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:48:37,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:48:37,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:37,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:48:37,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:48:37,017 INFO L87 Difference]: Start difference. First operand 393 states and 516 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:48:37,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:37,151 INFO L93 Difference]: Finished difference Result 395 states and 516 transitions. [2024-11-22 22:48:37,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:48:37,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 77 [2024-11-22 22:48:37,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:37,153 INFO L225 Difference]: With dead ends: 395 [2024-11-22 22:48:37,153 INFO L226 Difference]: Without dead ends: 394 [2024-11-22 22:48:37,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:48:37,154 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 49 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:37,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 151 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:48:37,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-22 22:48:37,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 392. [2024-11-22 22:48:37,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 325 states have (on average 1.2461538461538462) internal successors, (405), 339 states have internal predecessors, (405), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-22 22:48:37,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 507 transitions. [2024-11-22 22:48:37,175 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 507 transitions. Word has length 77 [2024-11-22 22:48:37,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:37,175 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 507 transitions. [2024-11-22 22:48:37,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:48:37,175 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 507 transitions. [2024-11-22 22:48:37,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-22 22:48:37,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:37,176 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:37,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-22 22:48:37,176 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:37,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:37,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1875015663, now seen corresponding path program 1 times [2024-11-22 22:48:37,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:37,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778566378] [2024-11-22 22:48:37,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:37,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:37,307 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-22 22:48:37,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:37,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778566378] [2024-11-22 22:48:37,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778566378] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:48:37,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563583627] [2024-11-22 22:48:37,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:37,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:37,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:37,309 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:48:37,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-22 22:48:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:37,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-22 22:48:37,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:48:37,633 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-22 22:48:37,633 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:48:38,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563583627] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:48:38,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:48:38,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-22 22:48:38,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543435018] [2024-11-22 22:48:38,122 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:48:38,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-22 22:48:38,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:38,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-22 22:48:38,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2024-11-22 22:48:38,123 INFO L87 Difference]: Start difference. First operand 392 states and 507 transitions. Second operand has 16 states, 15 states have (on average 5.066666666666666) internal successors, (76), 16 states have internal predecessors, (76), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-22 22:48:38,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:38,966 INFO L93 Difference]: Finished difference Result 686 states and 911 transitions. [2024-11-22 22:48:38,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-22 22:48:38,967 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.066666666666666) internal successors, (76), 16 states have internal predecessors, (76), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 78 [2024-11-22 22:48:38,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:38,969 INFO L225 Difference]: With dead ends: 686 [2024-11-22 22:48:38,969 INFO L226 Difference]: Without dead ends: 681 [2024-11-22 22:48:38,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=307, Invalid=1099, Unknown=0, NotChecked=0, Total=1406 [2024-11-22 22:48:38,971 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 462 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:38,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 281 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 717 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:48:38,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-11-22 22:48:38,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 528. [2024-11-22 22:48:38,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 445 states have (on average 1.2382022471910112) internal successors, (551), 459 states have internal predecessors, (551), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-22 22:48:39,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 685 transitions. [2024-11-22 22:48:39,000 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 685 transitions. Word has length 78 [2024-11-22 22:48:39,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:39,000 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 685 transitions. [2024-11-22 22:48:39,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.066666666666666) internal successors, (76), 16 states have internal predecessors, (76), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-22 22:48:39,001 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 685 transitions. [2024-11-22 22:48:39,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-22 22:48:39,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:39,002 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:39,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-22 22:48:39,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:39,203 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:39,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:39,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1822396848, now seen corresponding path program 1 times [2024-11-22 22:48:39,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:39,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565408888] [2024-11-22 22:48:39,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:39,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:48:39,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1874652230] [2024-11-22 22:48:39,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:39,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:39,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:39,219 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:48:39,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-22 22:48:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:39,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-22 22:48:39,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:48:39,494 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-22 22:48:39,494 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:48:39,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:39,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565408888] [2024-11-22 22:48:39,826 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:48:39,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874652230] [2024-11-22 22:48:39,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874652230] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:48:39,826 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:48:39,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-22 22:48:39,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363783182] [2024-11-22 22:48:39,827 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:48:39,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:48:39,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:39,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:48:39,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:48:39,829 INFO L87 Difference]: Start difference. First operand 528 states and 685 transitions. Second operand has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-22 22:48:40,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:40,170 INFO L93 Difference]: Finished difference Result 548 states and 697 transitions. [2024-11-22 22:48:40,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:48:40,171 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 92 [2024-11-22 22:48:40,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:40,173 INFO L225 Difference]: With dead ends: 548 [2024-11-22 22:48:40,173 INFO L226 Difference]: Without dead ends: 426 [2024-11-22 22:48:40,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:48:40,175 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 17 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:40,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 230 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:48:40,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-22 22:48:40,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 424. [2024-11-22 22:48:40,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 353 states have (on average 1.226628895184136) internal successors, (433), 367 states have internal predecessors, (433), 55 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-22 22:48:40,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 543 transitions. [2024-11-22 22:48:40,196 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 543 transitions. Word has length 92 [2024-11-22 22:48:40,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:40,196 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 543 transitions. [2024-11-22 22:48:40,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-22 22:48:40,197 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 543 transitions. [2024-11-22 22:48:40,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-22 22:48:40,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:40,198 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:40,207 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-22 22:48:40,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:40,402 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:40,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:40,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1023289906, now seen corresponding path program 1 times [2024-11-22 22:48:40,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:40,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321302745] [2024-11-22 22:48:40,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:40,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:40,449 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-22 22:48:40,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:40,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321302745] [2024-11-22 22:48:40,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321302745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:48:40,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:48:40,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:48:40,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046447284] [2024-11-22 22:48:40,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:48:40,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:48:40,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:40,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:48:40,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:48:40,451 INFO L87 Difference]: Start difference. First operand 424 states and 543 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:48:40,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:40,548 INFO L93 Difference]: Finished difference Result 426 states and 543 transitions. [2024-11-22 22:48:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:48:40,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 94 [2024-11-22 22:48:40,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:40,550 INFO L225 Difference]: With dead ends: 426 [2024-11-22 22:48:40,550 INFO L226 Difference]: Without dead ends: 393 [2024-11-22 22:48:40,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:48:40,551 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 22 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:40,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 187 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:48:40,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-22 22:48:40,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 391. [2024-11-22 22:48:40,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 325 states have (on average 1.24) internal successors, (403), 338 states have internal predecessors, (403), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-22 22:48:40,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 505 transitions. [2024-11-22 22:48:40,570 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 505 transitions. Word has length 94 [2024-11-22 22:48:40,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:40,570 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 505 transitions. [2024-11-22 22:48:40,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:48:40,570 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 505 transitions. [2024-11-22 22:48:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-22 22:48:40,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:40,571 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1] [2024-11-22 22:48:40,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-22 22:48:40,571 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:40,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:40,571 INFO L85 PathProgramCache]: Analyzing trace with hash 187458724, now seen corresponding path program 1 times [2024-11-22 22:48:40,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:40,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626719373] [2024-11-22 22:48:40,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:40,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:40,619 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-22 22:48:40,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:40,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626719373] [2024-11-22 22:48:40,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626719373] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:48:40,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067194622] [2024-11-22 22:48:40,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:40,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:40,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:40,622 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:48:40,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-22 22:48:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:40,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:48:40,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:48:40,736 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-22 22:48:40,736 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:48:40,828 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-22 22:48:40,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067194622] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:48:40,828 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:48:40,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-22 22:48:40,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658708863] [2024-11-22 22:48:40,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:48:40,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:48:40,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:40,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:48:40,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:48:40,829 INFO L87 Difference]: Start difference. First operand 391 states and 505 transitions. Second operand has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-22 22:48:41,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:41,070 INFO L93 Difference]: Finished difference Result 797 states and 1028 transitions. [2024-11-22 22:48:41,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:48:41,071 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 96 [2024-11-22 22:48:41,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:41,074 INFO L225 Difference]: With dead ends: 797 [2024-11-22 22:48:41,074 INFO L226 Difference]: Without dead ends: 795 [2024-11-22 22:48:41,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:48:41,074 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 312 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:41,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 362 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:48:41,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2024-11-22 22:48:41,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 541. [2024-11-22 22:48:41,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 451 states have (on average 1.2439024390243902) internal successors, (561), 464 states have internal predecessors, (561), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-22 22:48:41,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 711 transitions. [2024-11-22 22:48:41,108 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 711 transitions. Word has length 96 [2024-11-22 22:48:41,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:41,108 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 711 transitions. [2024-11-22 22:48:41,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-22 22:48:41,108 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 711 transitions. [2024-11-22 22:48:41,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-22 22:48:41,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:41,109 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:41,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-22 22:48:41,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-22 22:48:41,310 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:41,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:41,311 INFO L85 PathProgramCache]: Analyzing trace with hash 360263030, now seen corresponding path program 2 times [2024-11-22 22:48:41,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:41,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118789005] [2024-11-22 22:48:41,311 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:48:41,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:41,327 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:48:41,330 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:48:41,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [823761262] [2024-11-22 22:48:41,331 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:48:41,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:41,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:41,334 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:48:41,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-22 22:48:41,379 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:48:41,379 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:48:41,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-22 22:48:41,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:48:41,776 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-22 22:48:41,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:48:42,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:42,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118789005] [2024-11-22 22:48:42,466 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:48:42,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823761262] [2024-11-22 22:48:42,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823761262] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:48:42,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:48:42,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-22 22:48:42,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093983506] [2024-11-22 22:48:42,467 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:48:42,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:48:42,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:42,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:48:42,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:48:42,468 INFO L87 Difference]: Start difference. First operand 541 states and 711 transitions. Second operand has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-22 22:48:42,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:42,919 INFO L93 Difference]: Finished difference Result 565 states and 741 transitions. [2024-11-22 22:48:42,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:48:42,920 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 101 [2024-11-22 22:48:42,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:42,922 INFO L225 Difference]: With dead ends: 565 [2024-11-22 22:48:42,922 INFO L226 Difference]: Without dead ends: 564 [2024-11-22 22:48:42,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2024-11-22 22:48:42,922 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 29 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:42,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 296 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 856 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:48:42,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2024-11-22 22:48:42,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 541. [2024-11-22 22:48:42,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 451 states have (on average 1.2416851441241685) internal successors, (560), 464 states have internal predecessors, (560), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-22 22:48:42,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 710 transitions. [2024-11-22 22:48:42,966 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 710 transitions. Word has length 101 [2024-11-22 22:48:42,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:42,967 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 710 transitions. [2024-11-22 22:48:42,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-22 22:48:42,967 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 710 transitions. [2024-11-22 22:48:42,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-22 22:48:42,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:42,968 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:42,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-22 22:48:43,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-22 22:48:43,169 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:43,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:43,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1268236555, now seen corresponding path program 2 times [2024-11-22 22:48:43,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:43,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160170640] [2024-11-22 22:48:43,169 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:48:43,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:43,182 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:48:43,183 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:48:43,285 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-22 22:48:43,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:43,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160170640] [2024-11-22 22:48:43,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160170640] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:48:43,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221786060] [2024-11-22 22:48:43,286 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:48:43,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:43,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:43,289 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:48:43,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-22 22:48:43,337 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:48:43,337 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:48:43,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:48:43,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:48:43,398 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-22 22:48:43,398 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:48:43,504 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-22 22:48:43,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221786060] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:48:43,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:48:43,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2024-11-22 22:48:43,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790337592] [2024-11-22 22:48:43,505 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:48:43,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:48:43,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:43,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:48:43,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:48:43,507 INFO L87 Difference]: Start difference. First operand 541 states and 710 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2024-11-22 22:48:43,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:43,616 INFO L93 Difference]: Finished difference Result 550 states and 716 transitions. [2024-11-22 22:48:43,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:48:43,616 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) Word has length 115 [2024-11-22 22:48:43,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:43,618 INFO L225 Difference]: With dead ends: 550 [2024-11-22 22:48:43,618 INFO L226 Difference]: Without dead ends: 543 [2024-11-22 22:48:43,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 225 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:48:43,619 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 50 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:43,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 214 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:48:43,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-22 22:48:43,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 541. [2024-11-22 22:48:43,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 451 states have (on average 1.2328159645232817) internal successors, (556), 464 states have internal predecessors, (556), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-22 22:48:43,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 706 transitions. [2024-11-22 22:48:43,647 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 706 transitions. Word has length 115 [2024-11-22 22:48:43,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:43,647 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 706 transitions. [2024-11-22 22:48:43,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2024-11-22 22:48:43,647 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 706 transitions. [2024-11-22 22:48:43,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-22 22:48:43,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:43,648 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-22 22:48:43,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-22 22:48:43,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-22 22:48:43,854 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:43,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:43,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1739438009, now seen corresponding path program 2 times [2024-11-22 22:48:43,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:43,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591101828] [2024-11-22 22:48:43,854 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:48:43,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:43,860 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 22:48:43,860 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:48:43,891 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-11-22 22:48:43,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:43,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591101828] [2024-11-22 22:48:43,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591101828] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:48:43,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177960204] [2024-11-22 22:48:43,892 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:48:43,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:43,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:43,894 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:48:43,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-22 22:48:43,932 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 22:48:43,932 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:48:43,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:48:43,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:48:43,997 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-11-22 22:48:43,997 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:48:44,099 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-11-22 22:48:44,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1177960204] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:48:44,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:48:44,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-22 22:48:44,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727645919] [2024-11-22 22:48:44,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:48:44,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:48:44,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:44,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:48:44,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:48:44,101 INFO L87 Difference]: Start difference. First operand 541 states and 706 transitions. Second operand has 11 states, 10 states have (on average 3.4) internal successors, (34), 11 states have internal predecessors, (34), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-22 22:48:44,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:44,268 INFO L93 Difference]: Finished difference Result 639 states and 856 transitions. [2024-11-22 22:48:44,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:48:44,269 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.4) internal successors, (34), 11 states have internal predecessors, (34), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 117 [2024-11-22 22:48:44,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:44,271 INFO L225 Difference]: With dead ends: 639 [2024-11-22 22:48:44,271 INFO L226 Difference]: Without dead ends: 637 [2024-11-22 22:48:44,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:48:44,271 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 144 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:44,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 254 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:48:44,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-22 22:48:44,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 435. [2024-11-22 22:48:44,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 359 states have (on average 1.1977715877437325) internal successors, (430), 370 states have internal predecessors, (430), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-22 22:48:44,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 556 transitions. [2024-11-22 22:48:44,301 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 556 transitions. Word has length 117 [2024-11-22 22:48:44,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:44,301 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 556 transitions. [2024-11-22 22:48:44,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.4) internal successors, (34), 11 states have internal predecessors, (34), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-22 22:48:44,302 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 556 transitions. [2024-11-22 22:48:44,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-22 22:48:44,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:44,302 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:44,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-22 22:48:44,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:44,503 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:44,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:44,503 INFO L85 PathProgramCache]: Analyzing trace with hash -217823301, now seen corresponding path program 1 times [2024-11-22 22:48:44,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:44,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386045356] [2024-11-22 22:48:44,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:44,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:44,677 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-22 22:48:44,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:44,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386045356] [2024-11-22 22:48:44,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386045356] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:48:44,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806531339] [2024-11-22 22:48:44,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:44,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:44,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:44,681 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:48:44,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-22 22:48:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:44,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:48:44,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:48:45,004 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 22 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-22 22:48:45,004 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:48:45,285 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 25 proven. 15 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-22 22:48:45,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806531339] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:48:45,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:48:45,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-11-22 22:48:45,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144705806] [2024-11-22 22:48:45,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:48:45,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-22 22:48:45,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:45,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-22 22:48:45,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:48:45,287 INFO L87 Difference]: Start difference. First operand 435 states and 556 transitions. Second operand has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 22 states have internal predecessors, (157), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-22 22:48:45,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:45,838 INFO L93 Difference]: Finished difference Result 578 states and 741 transitions. [2024-11-22 22:48:45,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-22 22:48:45,838 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 22 states have internal predecessors, (157), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 117 [2024-11-22 22:48:45,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:45,840 INFO L225 Difference]: With dead ends: 578 [2024-11-22 22:48:45,840 INFO L226 Difference]: Without dead ends: 487 [2024-11-22 22:48:45,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=430, Invalid=1210, Unknown=0, NotChecked=0, Total=1640 [2024-11-22 22:48:45,841 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 759 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 759 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:45,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [759 Valid, 500 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:48:45,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-22 22:48:45,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 424. [2024-11-22 22:48:45,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 346 states have (on average 1.2254335260115607) internal successors, (424), 357 states have internal predecessors, (424), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-22 22:48:45,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 554 transitions. [2024-11-22 22:48:45,867 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 554 transitions. Word has length 117 [2024-11-22 22:48:45,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:45,868 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 554 transitions. [2024-11-22 22:48:45,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 22 states have internal predecessors, (157), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-22 22:48:45,868 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 554 transitions. [2024-11-22 22:48:45,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-22 22:48:45,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:45,869 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:45,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-22 22:48:46,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-22 22:48:46,070 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:46,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:46,070 INFO L85 PathProgramCache]: Analyzing trace with hash -927071534, now seen corresponding path program 1 times [2024-11-22 22:48:46,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:46,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456804586] [2024-11-22 22:48:46,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:46,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:46,240 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2024-11-22 22:48:46,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:46,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456804586] [2024-11-22 22:48:46,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456804586] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:48:46,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968680241] [2024-11-22 22:48:46,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:46,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:46,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:46,243 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:48:46,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-22 22:48:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:46,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:48:46,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:48:46,486 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 25 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-22 22:48:46,486 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:48:48,575 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-22 22:48:48,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968680241] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:48:48,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:48:48,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 8] total 20 [2024-11-22 22:48:48,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939403587] [2024-11-22 22:48:48,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:48:48,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-22 22:48:48,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:48,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-22 22:48:48,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2024-11-22 22:48:48,577 INFO L87 Difference]: Start difference. First operand 424 states and 554 transitions. Second operand has 21 states, 20 states have (on average 8.1) internal successors, (162), 21 states have internal predecessors, (162), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-22 22:48:48,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:48,852 INFO L93 Difference]: Finished difference Result 559 states and 743 transitions. [2024-11-22 22:48:48,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:48:48,852 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 8.1) internal successors, (162), 21 states have internal predecessors, (162), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) Word has length 122 [2024-11-22 22:48:48,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:48,854 INFO L225 Difference]: With dead ends: 559 [2024-11-22 22:48:48,855 INFO L226 Difference]: Without dead ends: 558 [2024-11-22 22:48:48,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=204, Invalid=396, Unknown=0, NotChecked=0, Total=600 [2024-11-22 22:48:48,855 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 243 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:48,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 268 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:48:48,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-22 22:48:48,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 423. [2024-11-22 22:48:48,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 346 states have (on average 1.216763005780347) internal successors, (421), 356 states have internal predecessors, (421), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-22 22:48:48,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 551 transitions. [2024-11-22 22:48:48,883 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 551 transitions. Word has length 122 [2024-11-22 22:48:48,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:48,883 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 551 transitions. [2024-11-22 22:48:48,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 8.1) internal successors, (162), 21 states have internal predecessors, (162), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-22 22:48:48,884 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 551 transitions. [2024-11-22 22:48:48,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-22 22:48:48,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:48,884 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:48:48,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-22 22:48:49,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:49,085 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:49,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:49,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1325553635, now seen corresponding path program 1 times [2024-11-22 22:48:49,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:49,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366488462] [2024-11-22 22:48:49,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:49,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:49,316 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-22 22:48:49,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:48:49,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366488462] [2024-11-22 22:48:49,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366488462] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:48:49,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001395619] [2024-11-22 22:48:49,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:48:49,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:49,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:49,319 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:48:49,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-22 22:48:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:48:49,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:48:49,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:48:49,591 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-22 22:48:49,591 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:48:50,598 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-22 22:48:50,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001395619] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:48:50,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:48:50,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-11-22 22:48:50,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134467556] [2024-11-22 22:48:50,598 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:48:50,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-22 22:48:50,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:48:50,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-22 22:48:50,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:48:50,600 INFO L87 Difference]: Start difference. First operand 423 states and 551 transitions. Second operand has 22 states, 21 states have (on average 8.142857142857142) internal successors, (171), 22 states have internal predecessors, (171), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-22 22:48:51,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:48:51,561 INFO L93 Difference]: Finished difference Result 685 states and 874 transitions. [2024-11-22 22:48:51,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-22 22:48:51,561 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 8.142857142857142) internal successors, (171), 22 states have internal predecessors, (171), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 123 [2024-11-22 22:48:51,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:48:51,564 INFO L225 Difference]: With dead ends: 685 [2024-11-22 22:48:51,564 INFO L226 Difference]: Without dead ends: 684 [2024-11-22 22:48:51,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=397, Invalid=659, Unknown=0, NotChecked=0, Total=1056 [2024-11-22 22:48:51,565 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 309 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:48:51,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 529 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:48:51,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2024-11-22 22:48:51,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 566. [2024-11-22 22:48:51,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 473 states have (on average 1.2135306553911205) internal successors, (574), 483 states have internal predecessors, (574), 81 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-22 22:48:51,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 736 transitions. [2024-11-22 22:48:51,605 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 736 transitions. Word has length 123 [2024-11-22 22:48:51,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:48:51,606 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 736 transitions. [2024-11-22 22:48:51,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 8.142857142857142) internal successors, (171), 22 states have internal predecessors, (171), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-22 22:48:51,606 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 736 transitions. [2024-11-22 22:48:51,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-22 22:48:51,607 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:48:51,607 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2024-11-22 22:48:51,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-22 22:48:51,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:51,812 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:48:51,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:48:51,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1267811953, now seen corresponding path program 3 times [2024-11-22 22:48:51,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:48:51,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291315735] [2024-11-22 22:48:51,813 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:48:51,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:48:51,833 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-22 22:48:51,833 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:48:51,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [100116669] [2024-11-22 22:48:51,834 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:48:51,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:48:51,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:48:51,837 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:48:51,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-22 22:48:51,872 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-22 22:48:51,873 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:48:51,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-22 22:48:51,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:48:52,207 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 39 proven. 5 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-11-22 22:48:52,207 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:49:06,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:49:06,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291315735] [2024-11-22 22:49:06,826 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:49:06,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100116669] [2024-11-22 22:49:06,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100116669] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:49:06,826 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:49:06,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-22 22:49:06,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356986973] [2024-11-22 22:49:06,827 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:49:06,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:49:06,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:49:06,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:49:06,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=242, Unknown=3, NotChecked=0, Total=306 [2024-11-22 22:49:06,828 INFO L87 Difference]: Start difference. First operand 566 states and 736 transitions. Second operand has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:49:07,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:49:07,517 INFO L93 Difference]: Finished difference Result 579 states and 748 transitions. [2024-11-22 22:49:07,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 22:49:07,518 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 124 [2024-11-22 22:49:07,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:49:07,520 INFO L225 Difference]: With dead ends: 579 [2024-11-22 22:49:07,521 INFO L226 Difference]: Without dead ends: 578 [2024-11-22 22:49:07,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=160, Invalid=539, Unknown=3, NotChecked=0, Total=702 [2024-11-22 22:49:07,522 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 143 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:49:07,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 149 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:49:07,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-11-22 22:49:07,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 566. [2024-11-22 22:49:07,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 473 states have (on average 1.200845665961945) internal successors, (568), 483 states have internal predecessors, (568), 81 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-22 22:49:07,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 730 transitions. [2024-11-22 22:49:07,578 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 730 transitions. Word has length 124 [2024-11-22 22:49:07,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:49:07,578 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 730 transitions. [2024-11-22 22:49:07,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:49:07,579 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 730 transitions. [2024-11-22 22:49:07,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-22 22:49:07,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:49:07,580 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-22 22:49:07,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-22 22:49:07,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:49:07,785 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:49:07,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:49:07,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1748241147, now seen corresponding path program 2 times [2024-11-22 22:49:07,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:49:07,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44145063] [2024-11-22 22:49:07,785 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:49:07,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:49:07,817 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:49:07,817 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:49:07,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [286061806] [2024-11-22 22:49:07,818 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:49:07,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:49:07,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:49:07,820 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:49:07,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-22 22:49:07,851 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 22:49:07,851 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:49:07,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:49:07,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:49:07,967 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2024-11-22 22:49:07,967 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:49:07,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:49:07,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44145063] [2024-11-22 22:49:07,968 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:49:07,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286061806] [2024-11-22 22:49:07,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286061806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:49:07,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:49:07,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:49:07,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210351642] [2024-11-22 22:49:07,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:49:07,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:49:07,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:49:07,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:49:07,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:49:07,969 INFO L87 Difference]: Start difference. First operand 566 states and 730 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:49:08,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:49:08,080 INFO L93 Difference]: Finished difference Result 566 states and 730 transitions. [2024-11-22 22:49:08,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:49:08,081 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 125 [2024-11-22 22:49:08,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:49:08,083 INFO L225 Difference]: With dead ends: 566 [2024-11-22 22:49:08,083 INFO L226 Difference]: Without dead ends: 565 [2024-11-22 22:49:08,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:49:08,083 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 52 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:49:08,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 81 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:49:08,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-11-22 22:49:08,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 535. [2024-11-22 22:49:08,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 447 states have (on average 1.1722595078299776) internal successors, (524), 456 states have internal predecessors, (524), 77 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-22 22:49:08,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 678 transitions. [2024-11-22 22:49:08,126 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 678 transitions. Word has length 125 [2024-11-22 22:49:08,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:49:08,126 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 678 transitions. [2024-11-22 22:49:08,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:49:08,126 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 678 transitions. [2024-11-22 22:49:08,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-22 22:49:08,127 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:49:08,127 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-22 22:49:08,139 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-22 22:49:08,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:49:08,329 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:49:08,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:49:08,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1078496496, now seen corresponding path program 4 times [2024-11-22 22:49:08,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:49:08,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454817046] [2024-11-22 22:49:08,329 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 22:49:08,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:49:08,344 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 22:49:08,344 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:49:08,559 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-22 22:49:08,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:49:08,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454817046] [2024-11-22 22:49:08,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454817046] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:49:08,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240880664] [2024-11-22 22:49:08,559 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 22:49:08,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:49:08,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:49:08,561 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:49:08,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-22 22:49:08,609 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 22:49:08,609 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:49:08,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-22 22:49:08,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:49:09,497 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 61 proven. 29 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-22 22:49:09,497 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:49:18,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240880664] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:49:18,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:49:18,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 23 [2024-11-22 22:49:18,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381687841] [2024-11-22 22:49:18,562 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:49:18,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-22 22:49:18,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:49:18,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-22 22:49:18,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=715, Unknown=2, NotChecked=0, Total=812 [2024-11-22 22:49:18,563 INFO L87 Difference]: Start difference. First operand 535 states and 678 transitions. Second operand has 24 states, 23 states have (on average 5.695652173913044) internal successors, (131), 24 states have internal predecessors, (131), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) [2024-11-22 22:49:21,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:49:21,130 INFO L93 Difference]: Finished difference Result 888 states and 1127 transitions. [2024-11-22 22:49:21,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-22 22:49:21,131 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.695652173913044) internal successors, (131), 24 states have internal predecessors, (131), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) Word has length 128 [2024-11-22 22:49:21,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:49:21,134 INFO L225 Difference]: With dead ends: 888 [2024-11-22 22:49:21,134 INFO L226 Difference]: Without dead ends: 882 [2024-11-22 22:49:21,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 126 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1257 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=769, Invalid=4341, Unknown=2, NotChecked=0, Total=5112 [2024-11-22 22:49:21,136 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 723 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1660 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 1818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 1660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:49:21,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 506 Invalid, 1818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 1660 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-22 22:49:21,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2024-11-22 22:49:21,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 661. [2024-11-22 22:49:21,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 563 states have (on average 1.1722912966252221) internal successors, (660), 572 states have internal predecessors, (660), 87 states have call successors, (87), 1 states have call predecessors, (87), 1 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-22 22:49:21,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 834 transitions. [2024-11-22 22:49:21,200 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 834 transitions. Word has length 128 [2024-11-22 22:49:21,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:49:21,200 INFO L471 AbstractCegarLoop]: Abstraction has 661 states and 834 transitions. [2024-11-22 22:49:21,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.695652173913044) internal successors, (131), 24 states have internal predecessors, (131), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) [2024-11-22 22:49:21,200 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 834 transitions. [2024-11-22 22:49:21,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-22 22:49:21,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:49:21,201 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:49:21,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-22 22:49:21,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-22 22:49:21,402 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:49:21,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:49:21,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1545551038, now seen corresponding path program 1 times [2024-11-22 22:49:21,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:49:21,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372401852] [2024-11-22 22:49:21,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:49:21,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:49:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:49:21,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [325714658] [2024-11-22 22:49:21,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:49:21,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:49:21,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:49:21,421 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:49:21,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-22 22:49:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:49:21,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:49:21,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:49:21,619 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-11-22 22:49:21,619 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:49:21,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:49:21,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372401852] [2024-11-22 22:49:21,619 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:49:21,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325714658] [2024-11-22 22:49:21,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325714658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:49:21,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:49:21,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:49:21,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028795070] [2024-11-22 22:49:21,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:49:21,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:49:21,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:49:21,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:49:21,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:49:21,621 INFO L87 Difference]: Start difference. First operand 661 states and 834 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-22 22:49:21,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:49:21,695 INFO L93 Difference]: Finished difference Result 661 states and 834 transitions. [2024-11-22 22:49:21,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:49:21,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 131 [2024-11-22 22:49:21,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:49:21,697 INFO L225 Difference]: With dead ends: 661 [2024-11-22 22:49:21,697 INFO L226 Difference]: Without dead ends: 659 [2024-11-22 22:49:21,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:49:21,698 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 28 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:49:21,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 53 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:49:21,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-11-22 22:49:21,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 512. [2024-11-22 22:49:21,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 432 states have (on average 1.1412037037037037) internal successors, (493), 439 states have internal predecessors, (493), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-22 22:49:21,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 635 transitions. [2024-11-22 22:49:21,744 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 635 transitions. Word has length 131 [2024-11-22 22:49:21,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:49:21,744 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 635 transitions. [2024-11-22 22:49:21,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-22 22:49:21,744 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 635 transitions. [2024-11-22 22:49:21,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-22 22:49:21,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:49:21,745 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:49:21,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-22 22:49:21,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-22 22:49:21,946 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:49:21,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:49:21,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1413407113, now seen corresponding path program 1 times [2024-11-22 22:49:21,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:49:21,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136271483] [2024-11-22 22:49:21,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:49:21,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:49:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:49:21,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1685343295] [2024-11-22 22:49:21,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:49:21,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:49:21,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:49:21,972 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:49:21,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-22 22:49:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:49:22,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-22 22:49:22,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:49:22,495 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-22 22:49:22,495 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:49:22,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:49:22,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136271483] [2024-11-22 22:49:22,819 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:49:22,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685343295] [2024-11-22 22:49:22,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685343295] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:49:22,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:49:22,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-22 22:49:22,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610785013] [2024-11-22 22:49:22,820 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:49:22,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:49:22,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:49:22,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:49:22,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:49:22,821 INFO L87 Difference]: Start difference. First operand 512 states and 635 transitions. Second operand has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-22 22:49:23,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:49:23,290 INFO L93 Difference]: Finished difference Result 516 states and 639 transitions. [2024-11-22 22:49:23,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:49:23,290 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 138 [2024-11-22 22:49:23,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:49:23,292 INFO L225 Difference]: With dead ends: 516 [2024-11-22 22:49:23,292 INFO L226 Difference]: Without dead ends: 515 [2024-11-22 22:49:23,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:49:23,293 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 15 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:49:23,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 259 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:49:23,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-11-22 22:49:23,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 513. [2024-11-22 22:49:23,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 433 states have (on average 1.1408775981524248) internal successors, (494), 440 states have internal predecessors, (494), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-22 22:49:23,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 636 transitions. [2024-11-22 22:49:23,338 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 636 transitions. Word has length 138 [2024-11-22 22:49:23,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:49:23,338 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 636 transitions. [2024-11-22 22:49:23,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-22 22:49:23,338 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 636 transitions. [2024-11-22 22:49:23,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-22 22:49:23,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:49:23,339 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:49:23,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-22 22:49:23,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-22 22:49:23,544 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:49:23,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:49:23,544 INFO L85 PathProgramCache]: Analyzing trace with hash 865947670, now seen corresponding path program 1 times [2024-11-22 22:49:23,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:49:23,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381345875] [2024-11-22 22:49:23,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:49:23,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:49:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:49:23,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [862766342] [2024-11-22 22:49:23,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:49:23,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:49:23,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:49:23,567 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:49:23,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-22 22:49:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:49:23,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-22 22:49:23,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:49:24,239 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-22 22:49:24,239 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:49:24,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:49:24,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381345875] [2024-11-22 22:49:24,879 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:49:24,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862766342] [2024-11-22 22:49:24,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862766342] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:49:24,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:49:24,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2024-11-22 22:49:24,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638109321] [2024-11-22 22:49:24,882 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:49:24,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-22 22:49:24,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:49:24,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-22 22:49:24,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:49:24,883 INFO L87 Difference]: Start difference. First operand 513 states and 636 transitions. Second operand has 17 states, 16 states have (on average 4.1875) internal successors, (67), 17 states have internal predecessors, (67), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-22 22:49:25,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:49:25,437 INFO L93 Difference]: Finished difference Result 521 states and 643 transitions. [2024-11-22 22:49:25,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-22 22:49:25,438 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.1875) internal successors, (67), 17 states have internal predecessors, (67), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 139 [2024-11-22 22:49:25,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:49:25,440 INFO L225 Difference]: With dead ends: 521 [2024-11-22 22:49:25,440 INFO L226 Difference]: Without dead ends: 516 [2024-11-22 22:49:25,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2024-11-22 22:49:25,441 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 36 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:49:25,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 308 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 941 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:49:25,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2024-11-22 22:49:25,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 513. [2024-11-22 22:49:25,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 433 states have (on average 1.136258660508083) internal successors, (492), 440 states have internal predecessors, (492), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-22 22:49:25,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 634 transitions. [2024-11-22 22:49:25,487 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 634 transitions. Word has length 139 [2024-11-22 22:49:25,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:49:25,487 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 634 transitions. [2024-11-22 22:49:25,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.1875) internal successors, (67), 17 states have internal predecessors, (67), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-22 22:49:25,487 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 634 transitions. [2024-11-22 22:49:25,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-22 22:49:25,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:49:25,488 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:49:25,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-22 22:49:25,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:49:25,690 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:49:25,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:49:25,691 INFO L85 PathProgramCache]: Analyzing trace with hash -876105969, now seen corresponding path program 3 times [2024-11-22 22:49:25,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:49:25,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100656253] [2024-11-22 22:49:25,691 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:49:25,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:49:25,725 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-22 22:49:25,725 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:49:25,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [56905183] [2024-11-22 22:49:25,726 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:49:25,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:49:25,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:49:25,729 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:49:25,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-22 22:49:25,768 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-22 22:49:25,769 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:49:25,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-22 22:49:25,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:49:26,022 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-22 22:49:26,022 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:49:26,169 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-22 22:49:26,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:49:26,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100656253] [2024-11-22 22:49:26,169 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:49:26,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56905183] [2024-11-22 22:49:26,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56905183] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 22:49:26,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:49:26,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-22 22:49:26,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731832863] [2024-11-22 22:49:26,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:49:26,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:49:26,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:49:26,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:49:26,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:49:26,171 INFO L87 Difference]: Start difference. First operand 513 states and 634 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:49:26,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:49:26,421 INFO L93 Difference]: Finished difference Result 515 states and 636 transitions. [2024-11-22 22:49:26,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:49:26,422 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 142 [2024-11-22 22:49:26,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:49:26,423 INFO L225 Difference]: With dead ends: 515 [2024-11-22 22:49:26,424 INFO L226 Difference]: Without dead ends: 514 [2024-11-22 22:49:26,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:49:26,424 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 67 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:49:26,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 85 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:49:26,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2024-11-22 22:49:26,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 512. [2024-11-22 22:49:26,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 433 states have (on average 1.1316397228637414) internal successors, (490), 439 states have internal predecessors, (490), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-22 22:49:26,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 632 transitions. [2024-11-22 22:49:26,505 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 632 transitions. Word has length 142 [2024-11-22 22:49:26,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:49:26,505 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 632 transitions. [2024-11-22 22:49:26,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:49:26,505 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 632 transitions. [2024-11-22 22:49:26,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-22 22:49:26,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:49:26,506 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:49:26,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-22 22:49:26,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-22 22:49:26,707 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:49:26,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:49:26,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1389481136, now seen corresponding path program 1 times [2024-11-22 22:49:26,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:49:26,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738399236] [2024-11-22 22:49:26,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:49:26,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:49:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:49:26,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1887393657] [2024-11-22 22:49:26,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:49:26,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:49:26,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:49:26,724 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:49:26,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-22 22:49:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:49:26,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-22 22:49:26,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:49:27,422 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-22 22:49:27,422 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:49:28,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:49:28,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738399236] [2024-11-22 22:49:28,313 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:49:28,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887393657] [2024-11-22 22:49:28,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887393657] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:49:28,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:49:28,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2024-11-22 22:49:28,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481499259] [2024-11-22 22:49:28,313 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:49:28,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-22 22:49:28,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:49:28,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-22 22:49:28,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:49:28,314 INFO L87 Difference]: Start difference. First operand 512 states and 632 transitions. Second operand has 17 states, 16 states have (on average 4.4375) internal successors, (71), 17 states have internal predecessors, (71), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-22 22:49:28,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:49:28,977 INFO L93 Difference]: Finished difference Result 515 states and 634 transitions. [2024-11-22 22:49:28,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-22 22:49:28,977 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.4375) internal successors, (71), 17 states have internal predecessors, (71), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 143 [2024-11-22 22:49:28,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:49:28,979 INFO L225 Difference]: With dead ends: 515 [2024-11-22 22:49:28,979 INFO L226 Difference]: Without dead ends: 512 [2024-11-22 22:49:28,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=175, Invalid=475, Unknown=0, NotChecked=0, Total=650 [2024-11-22 22:49:28,980 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 36 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:49:28,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 309 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:49:28,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2024-11-22 22:49:29,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 510. [2024-11-22 22:49:29,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 431 states have (on average 1.1299303944315546) internal successors, (487), 437 states have internal predecessors, (487), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-22 22:49:29,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 629 transitions. [2024-11-22 22:49:29,028 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 629 transitions. Word has length 143 [2024-11-22 22:49:29,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:49:29,028 INFO L471 AbstractCegarLoop]: Abstraction has 510 states and 629 transitions. [2024-11-22 22:49:29,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.4375) internal successors, (71), 17 states have internal predecessors, (71), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-22 22:49:29,028 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 629 transitions. [2024-11-22 22:49:29,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-22 22:49:29,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:49:29,029 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:49:29,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-22 22:49:29,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-22 22:49:29,233 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:49:29,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:49:29,234 INFO L85 PathProgramCache]: Analyzing trace with hash 386871941, now seen corresponding path program 2 times [2024-11-22 22:49:29,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:49:29,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123186439] [2024-11-22 22:49:29,234 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:49:29,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:49:29,254 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:49:29,254 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:49:29,420 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 25 proven. 64 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 22:49:29,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:49:29,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123186439] [2024-11-22 22:49:29,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123186439] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:49:29,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598485365] [2024-11-22 22:49:29,420 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:49:29,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:49:29,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:49:29,422 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:49:29,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-22 22:49:29,478 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:49:29,478 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:49:29,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:49:29,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:49:29,738 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2024-11-22 22:49:29,738 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:49:29,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598485365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:49:29,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:49:29,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2024-11-22 22:49:29,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243759385] [2024-11-22 22:49:29,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:49:29,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:49:29,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:49:29,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:49:29,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:49:29,740 INFO L87 Difference]: Start difference. First operand 510 states and 629 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-22 22:49:29,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:49:29,953 INFO L93 Difference]: Finished difference Result 630 states and 775 transitions. [2024-11-22 22:49:29,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:49:29,954 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 162 [2024-11-22 22:49:29,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:49:29,955 INFO L225 Difference]: With dead ends: 630 [2024-11-22 22:49:29,955 INFO L226 Difference]: Without dead ends: 512 [2024-11-22 22:49:29,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 158 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:49:29,956 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 103 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:49:29,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 252 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:49:29,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2024-11-22 22:49:30,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 482. [2024-11-22 22:49:30,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 405 states have (on average 1.1407407407407408) internal successors, (462), 411 states have internal predecessors, (462), 69 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-22 22:49:30,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 600 transitions. [2024-11-22 22:49:30,024 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 600 transitions. Word has length 162 [2024-11-22 22:49:30,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:49:30,024 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 600 transitions. [2024-11-22 22:49:30,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-22 22:49:30,024 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 600 transitions. [2024-11-22 22:49:30,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-22 22:49:30,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:49:30,025 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:49:30,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-22 22:49:30,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-22 22:49:30,229 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:49:30,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:49:30,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1121309905, now seen corresponding path program 3 times [2024-11-22 22:49:30,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:49:30,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666327591] [2024-11-22 22:49:30,230 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:49:30,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:49:30,242 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-22 22:49:30,242 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:49:30,376 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 25 proven. 64 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 22:49:30,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:49:30,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666327591] [2024-11-22 22:49:30,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666327591] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:49:30,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256373549] [2024-11-22 22:49:30,377 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:49:30,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:49:30,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:49:30,379 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:49:30,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-22 22:49:30,428 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-22 22:49:30,428 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:49:30,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-22 22:49:30,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:49:30,608 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2024-11-22 22:49:30,608 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:49:30,936 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2024-11-22 22:49:30,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256373549] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 22:49:30,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:49:30,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 7] total 18 [2024-11-22 22:49:30,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916553592] [2024-11-22 22:49:30,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:49:30,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:49:30,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:49:30,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:49:30,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2024-11-22 22:49:30,938 INFO L87 Difference]: Start difference. First operand 482 states and 600 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:49:31,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:49:31,249 INFO L93 Difference]: Finished difference Result 482 states and 600 transitions. [2024-11-22 22:49:31,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:49:31,249 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 162 [2024-11-22 22:49:31,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:49:31,251 INFO L225 Difference]: With dead ends: 482 [2024-11-22 22:49:31,251 INFO L226 Difference]: Without dead ends: 481 [2024-11-22 22:49:31,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 316 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2024-11-22 22:49:31,251 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 67 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:49:31,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 71 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:49:31,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-11-22 22:49:31,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2024-11-22 22:49:31,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 403 states have (on average 1.1389578163771712) internal successors, (459), 408 states have internal predecessors, (459), 69 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-22 22:49:31,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 597 transitions. [2024-11-22 22:49:31,299 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 597 transitions. Word has length 162 [2024-11-22 22:49:31,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:49:31,299 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 597 transitions. [2024-11-22 22:49:31,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:49:31,299 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 597 transitions. [2024-11-22 22:49:31,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-22 22:49:31,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:49:31,300 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:49:31,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-22 22:49:31,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:49:31,501 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:49:31,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:49:31,501 INFO L85 PathProgramCache]: Analyzing trace with hash -457968461, now seen corresponding path program 1 times [2024-11-22 22:49:31,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:49:31,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684235695] [2024-11-22 22:49:31,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:49:31,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:49:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:49:31,647 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 25 proven. 64 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 22:49:31,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:49:31,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684235695] [2024-11-22 22:49:31,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684235695] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:49:31,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513541310] [2024-11-22 22:49:31,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:49:31,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:49:31,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:49:31,650 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:49:31,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-22 22:49:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:49:31,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-22 22:49:31,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:49:32,099 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 22:49:32,099 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:49:32,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513541310] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:49:32,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:49:32,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14] total 18 [2024-11-22 22:49:32,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551942315] [2024-11-22 22:49:32,197 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:49:32,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-22 22:49:32,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:49:32,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-22 22:49:32,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2024-11-22 22:49:32,198 INFO L87 Difference]: Start difference. First operand 479 states and 597 transitions. Second operand has 18 states, 18 states have (on average 8.0) internal successors, (144), 18 states have internal predecessors, (144), 10 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 10 states have call predecessors, (36), 10 states have call successors, (36) [2024-11-22 22:49:32,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:49:32,918 INFO L93 Difference]: Finished difference Result 550 states and 678 transitions. [2024-11-22 22:49:32,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 22:49:32,919 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.0) internal successors, (144), 18 states have internal predecessors, (144), 10 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 10 states have call predecessors, (36), 10 states have call successors, (36) Word has length 164 [2024-11-22 22:49:32,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:49:32,920 INFO L225 Difference]: With dead ends: 550 [2024-11-22 22:49:32,920 INFO L226 Difference]: Without dead ends: 545 [2024-11-22 22:49:32,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 158 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2024-11-22 22:49:32,921 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 59 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:49:32,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 519 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1048 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:49:32,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2024-11-22 22:49:32,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 479. [2024-11-22 22:49:32,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 403 states have (on average 1.1339950372208436) internal successors, (457), 408 states have internal predecessors, (457), 69 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-22 22:49:32,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 595 transitions. [2024-11-22 22:49:32,969 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 595 transitions. Word has length 164 [2024-11-22 22:49:32,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:49:32,969 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 595 transitions. [2024-11-22 22:49:32,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.0) internal successors, (144), 18 states have internal predecessors, (144), 10 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 10 states have call predecessors, (36), 10 states have call successors, (36) [2024-11-22 22:49:32,969 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 595 transitions. [2024-11-22 22:49:32,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-22 22:49:32,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:49:32,970 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:49:32,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-22 22:49:33,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-22 22:49:33,171 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:49:33,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:49:33,171 INFO L85 PathProgramCache]: Analyzing trace with hash 290948172, now seen corresponding path program 2 times [2024-11-22 22:49:33,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:49:33,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438846835] [2024-11-22 22:49:33,171 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:49:33,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:49:33,182 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:49:33,182 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:49:33,396 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 25 proven. 65 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2024-11-22 22:49:33,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:49:33,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438846835] [2024-11-22 22:49:33,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438846835] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:49:33,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764954814] [2024-11-22 22:49:33,396 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:49:33,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:49:33,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:49:33,398 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:49:33,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-22 22:49:33,449 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:49:33,449 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:49:33,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-22 22:49:33,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:49:33,848 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2024-11-22 22:49:33,848 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:49:34,253 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 50 proven. 40 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2024-11-22 22:49:34,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764954814] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:49:34,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:49:34,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 10] total 26 [2024-11-22 22:49:34,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980776617] [2024-11-22 22:49:34,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:49:34,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-22 22:49:34,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:49:34,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-22 22:49:34,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=557, Unknown=0, NotChecked=0, Total=702 [2024-11-22 22:49:34,254 INFO L87 Difference]: Start difference. First operand 479 states and 595 transitions. Second operand has 27 states, 26 states have (on average 6.653846153846154) internal successors, (173), 27 states have internal predecessors, (173), 15 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 15 states have call predecessors, (38), 15 states have call successors, (38) [2024-11-22 22:49:35,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:49:35,178 INFO L93 Difference]: Finished difference Result 588 states and 728 transitions. [2024-11-22 22:49:35,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-22 22:49:35,179 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.653846153846154) internal successors, (173), 27 states have internal predecessors, (173), 15 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 15 states have call predecessors, (38), 15 states have call successors, (38) Word has length 164 [2024-11-22 22:49:35,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:49:35,180 INFO L225 Difference]: With dead ends: 588 [2024-11-22 22:49:35,180 INFO L226 Difference]: Without dead ends: 581 [2024-11-22 22:49:35,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 306 SyntacticMatches, 5 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=367, Invalid=1355, Unknown=0, NotChecked=0, Total=1722 [2024-11-22 22:49:35,182 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 366 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:49:35,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 598 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:49:35,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-11-22 22:49:35,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 505. [2024-11-22 22:49:35,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 427 states have (on average 1.1381733021077283) internal successors, (486), 432 states have internal predecessors, (486), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-22 22:49:35,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 628 transitions. [2024-11-22 22:49:35,248 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 628 transitions. Word has length 164 [2024-11-22 22:49:35,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:49:35,248 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 628 transitions. [2024-11-22 22:49:35,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.653846153846154) internal successors, (173), 27 states have internal predecessors, (173), 15 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 15 states have call predecessors, (38), 15 states have call successors, (38) [2024-11-22 22:49:35,249 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 628 transitions. [2024-11-22 22:49:35,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-22 22:49:35,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:49:35,250 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:49:35,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-22 22:49:35,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:49:35,453 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:49:35,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:49:35,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1974734880, now seen corresponding path program 1 times [2024-11-22 22:49:35,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:49:35,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397167438] [2024-11-22 22:49:35,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:49:35,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:49:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:49:35,585 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 41 proven. 41 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2024-11-22 22:49:35,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:49:35,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397167438] [2024-11-22 22:49:35,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397167438] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:49:35,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391150817] [2024-11-22 22:49:35,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:49:35,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:49:35,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:49:35,588 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:49:35,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-22 22:49:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:49:35,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:49:35,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:49:35,726 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2024-11-22 22:49:35,726 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:49:35,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391150817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:49:35,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:49:35,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-22 22:49:35,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270242067] [2024-11-22 22:49:35,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:49:35,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:49:35,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:49:35,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:49:35,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:49:35,728 INFO L87 Difference]: Start difference. First operand 505 states and 628 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:49:35,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:49:35,821 INFO L93 Difference]: Finished difference Result 505 states and 628 transitions. [2024-11-22 22:49:35,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:49:35,822 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 165 [2024-11-22 22:49:35,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:49:35,823 INFO L225 Difference]: With dead ends: 505 [2024-11-22 22:49:35,823 INFO L226 Difference]: Without dead ends: 504 [2024-11-22 22:49:35,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:49:35,824 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 42 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:49:35,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 76 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:49:35,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2024-11-22 22:49:35,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 466. [2024-11-22 22:49:35,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 393 states have (on average 1.1068702290076335) internal successors, (435), 397 states have internal predecessors, (435), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-22 22:49:35,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 569 transitions. [2024-11-22 22:49:35,876 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 569 transitions. Word has length 165 [2024-11-22 22:49:35,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:49:35,876 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 569 transitions. [2024-11-22 22:49:35,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:49:35,876 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 569 transitions. [2024-11-22 22:49:35,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-22 22:49:35,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:49:35,877 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:49:35,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-22 22:49:36,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-22 22:49:36,081 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:49:36,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:49:36,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1158780678, now seen corresponding path program 3 times [2024-11-22 22:49:36,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:49:36,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143855630] [2024-11-22 22:49:36,082 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:49:36,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:49:36,097 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-22 22:49:36,097 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:49:36,375 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 4 proven. 100 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 22:49:36,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:49:36,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143855630] [2024-11-22 22:49:36,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143855630] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:49:36,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852428135] [2024-11-22 22:49:36,376 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:49:36,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:49:36,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:49:36,378 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:49:36,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-22 22:49:36,418 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-22 22:49:36,419 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:49:36,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-22 22:49:36,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:49:37,000 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 90 proven. 12 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2024-11-22 22:49:37,001 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:49:37,356 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 90 proven. 12 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2024-11-22 22:49:37,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852428135] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:49:37,357 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:49:37,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 8] total 26 [2024-11-22 22:49:37,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331184319] [2024-11-22 22:49:37,357 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:49:37,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-22 22:49:37,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:49:37,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-22 22:49:37,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=617, Unknown=0, NotChecked=0, Total=702 [2024-11-22 22:49:37,358 INFO L87 Difference]: Start difference. First operand 466 states and 569 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 25 states have internal predecessors, (163), 10 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (31), 12 states have call predecessors, (31), 10 states have call successors, (31) [2024-11-22 22:49:38,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:49:38,833 INFO L93 Difference]: Finished difference Result 493 states and 594 transitions. [2024-11-22 22:49:38,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-22 22:49:38,833 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 25 states have internal predecessors, (163), 10 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (31), 12 states have call predecessors, (31), 10 states have call successors, (31) Word has length 168 [2024-11-22 22:49:38,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:49:38,834 INFO L225 Difference]: With dead ends: 493 [2024-11-22 22:49:38,834 INFO L226 Difference]: Without dead ends: 245 [2024-11-22 22:49:38,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 321 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 691 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=601, Invalid=2591, Unknown=0, NotChecked=0, Total=3192 [2024-11-22 22:49:38,836 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 278 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 1221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:49:38,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 492 Invalid, 1221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1129 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:49:38,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-22 22:49:38,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 228. [2024-11-22 22:49:38,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 184 states have (on average 1.0815217391304348) internal successors, (199), 187 states have internal predecessors, (199), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-22 22:49:38,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 277 transitions. [2024-11-22 22:49:38,871 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 277 transitions. Word has length 168 [2024-11-22 22:49:38,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:49:38,872 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 277 transitions. [2024-11-22 22:49:38,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 25 states have internal predecessors, (163), 10 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (31), 12 states have call predecessors, (31), 10 states have call successors, (31) [2024-11-22 22:49:38,872 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 277 transitions. [2024-11-22 22:49:38,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-22 22:49:38,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:49:38,872 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:49:38,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-22 22:49:39,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:49:39,078 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:49:39,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:49:39,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1660032676, now seen corresponding path program 1 times [2024-11-22 22:49:39,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:49:39,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676089635] [2024-11-22 22:49:39,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:49:39,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:49:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:49:39,348 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 22:49:39,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:49:39,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676089635] [2024-11-22 22:49:39,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676089635] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:49:39,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794309042] [2024-11-22 22:49:39,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:49:39,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:49:39,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:49:39,351 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:49:39,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-22 22:49:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:49:39,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-22 22:49:39,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:49:39,886 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 22:49:39,886 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:49:43,326 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 22:49:43,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1794309042] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:49:43,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:49:43,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 8] total 29 [2024-11-22 22:49:43,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138694478] [2024-11-22 22:49:43,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:49:43,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-22 22:49:43,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:49:43,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-22 22:49:43,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=593, Unknown=0, NotChecked=0, Total=870 [2024-11-22 22:49:43,329 INFO L87 Difference]: Start difference. First operand 228 states and 277 transitions. Second operand has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) [2024-11-22 22:49:46,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:49:46,894 INFO L93 Difference]: Finished difference Result 617 states and 736 transitions. [2024-11-22 22:49:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-22 22:49:46,894 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) Word has length 169 [2024-11-22 22:49:46,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:49:46,896 INFO L225 Difference]: With dead ends: 617 [2024-11-22 22:49:46,896 INFO L226 Difference]: Without dead ends: 616 [2024-11-22 22:49:46,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 963 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1072, Invalid=1898, Unknown=0, NotChecked=0, Total=2970 [2024-11-22 22:49:46,897 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 562 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 1260 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 1403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:49:46,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 713 Invalid, 1403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1260 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-22 22:49:46,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-11-22 22:49:46,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 445. [2024-11-22 22:49:47,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 377 states have (on average 1.0795755968169762) internal successors, (407), 380 states have internal predecessors, (407), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-22 22:49:47,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 533 transitions. [2024-11-22 22:49:47,002 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 533 transitions. Word has length 169 [2024-11-22 22:49:47,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:49:47,002 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 533 transitions. [2024-11-22 22:49:47,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) [2024-11-22 22:49:47,003 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 533 transitions. [2024-11-22 22:49:47,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-22 22:49:47,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:49:47,004 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-22 22:49:47,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-11-22 22:49:47,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-22 22:49:47,205 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:49:47,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:49:47,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1334298624, now seen corresponding path program 1 times [2024-11-22 22:49:47,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:49:47,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786502529] [2024-11-22 22:49:47,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:49:47,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:49:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:49:47,574 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 22:49:47,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:49:47,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786502529] [2024-11-22 22:49:47,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786502529] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:49:47,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069857437] [2024-11-22 22:49:47,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:49:47,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:49:47,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:49:47,577 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:49:47,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-22 22:49:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:49:47,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:49:47,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:49:48,018 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 22:49:48,018 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:49:50,431 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 22:49:50,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069857437] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:49:50,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:49:50,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 33 [2024-11-22 22:49:50,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465423830] [2024-11-22 22:49:50,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:49:50,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-22 22:49:50,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:49:50,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-22 22:49:50,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=914, Unknown=0, NotChecked=0, Total=1122 [2024-11-22 22:49:50,433 INFO L87 Difference]: Start difference. First operand 445 states and 533 transitions. Second operand has 34 states, 33 states have (on average 7.090909090909091) internal successors, (234), 34 states have internal predecessors, (234), 20 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 20 states have call predecessors, (51), 20 states have call successors, (51) [2024-11-22 22:49:53,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:49:53,104 INFO L93 Difference]: Finished difference Result 890 states and 1069 transitions. [2024-11-22 22:49:53,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-22 22:49:53,105 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 7.090909090909091) internal successors, (234), 34 states have internal predecessors, (234), 20 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 20 states have call predecessors, (51), 20 states have call successors, (51) Word has length 171 [2024-11-22 22:49:53,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:49:53,108 INFO L225 Difference]: With dead ends: 890 [2024-11-22 22:49:53,108 INFO L226 Difference]: Without dead ends: 889 [2024-11-22 22:49:53,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 985 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=990, Invalid=3042, Unknown=0, NotChecked=0, Total=4032 [2024-11-22 22:49:53,110 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 772 mSDsluCounter, 1099 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 776 SdHoareTripleChecker+Valid, 1206 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:49:53,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [776 Valid, 1206 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-22 22:49:53,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2024-11-22 22:49:53,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 734. [2024-11-22 22:49:53,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 634 states have (on average 1.0993690851735016) internal successors, (697), 637 states have internal predecessors, (697), 95 states have call successors, (95), 1 states have call predecessors, (95), 1 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-22 22:49:53,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 887 transitions. [2024-11-22 22:49:53,297 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 887 transitions. Word has length 171 [2024-11-22 22:49:53,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:49:53,297 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 887 transitions. [2024-11-22 22:49:53,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 7.090909090909091) internal successors, (234), 34 states have internal predecessors, (234), 20 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 20 states have call predecessors, (51), 20 states have call successors, (51) [2024-11-22 22:49:53,298 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 887 transitions. [2024-11-22 22:49:53,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-22 22:49:53,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:49:53,303 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:49:53,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-22 22:49:53,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-22 22:49:53,507 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:49:53,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:49:53,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1111956169, now seen corresponding path program 1 times [2024-11-22 22:49:53,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:49:53,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217780619] [2024-11-22 22:49:53,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:49:53,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:49:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:49:53,840 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 22:49:53,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:49:53,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217780619] [2024-11-22 22:49:53,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217780619] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:49:53,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408999499] [2024-11-22 22:49:53,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:49:53,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:49:53,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:49:53,843 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:49:53,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-22 22:49:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:49:53,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-22 22:49:53,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:49:54,514 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 22:49:54,514 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:49:54,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408999499] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:49:54,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:49:54,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 24 [2024-11-22 22:49:54,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539802376] [2024-11-22 22:49:54,870 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:49:54,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-22 22:49:54,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:49:54,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-22 22:49:54,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=659, Unknown=0, NotChecked=0, Total=756 [2024-11-22 22:49:54,873 INFO L87 Difference]: Start difference. First operand 734 states and 887 transitions. Second operand has 25 states, 24 states have (on average 7.0) internal successors, (168), 25 states have internal predecessors, (168), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-22 22:49:56,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:49:56,387 INFO L93 Difference]: Finished difference Result 891 states and 1067 transitions. [2024-11-22 22:49:56,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-22 22:49:56,387 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.0) internal successors, (168), 25 states have internal predecessors, (168), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) Word has length 174 [2024-11-22 22:49:56,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:49:56,390 INFO L225 Difference]: With dead ends: 891 [2024-11-22 22:49:56,390 INFO L226 Difference]: Without dead ends: 890 [2024-11-22 22:49:56,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 763 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=464, Invalid=2506, Unknown=0, NotChecked=0, Total=2970 [2024-11-22 22:49:56,393 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 353 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 1338 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 1423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-22 22:49:56,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 743 Invalid, 1423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1338 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-22 22:49:56,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2024-11-22 22:49:56,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 743. [2024-11-22 22:49:56,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 643 states have (on average 1.0902021772939348) internal successors, (701), 646 states have internal predecessors, (701), 95 states have call successors, (95), 1 states have call predecessors, (95), 1 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-22 22:49:56,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 891 transitions. [2024-11-22 22:49:56,537 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 891 transitions. Word has length 174 [2024-11-22 22:49:56,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:49:56,537 INFO L471 AbstractCegarLoop]: Abstraction has 743 states and 891 transitions. [2024-11-22 22:49:56,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.0) internal successors, (168), 25 states have internal predecessors, (168), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-22 22:49:56,538 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 891 transitions. [2024-11-22 22:49:56,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-22 22:49:56,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:49:56,539 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2024-11-22 22:49:56,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-11-22 22:49:56,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-22 22:49:56,740 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:49:56,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:49:56,740 INFO L85 PathProgramCache]: Analyzing trace with hash -180737039, now seen corresponding path program 5 times [2024-11-22 22:49:56,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:49:56,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006223779] [2024-11-22 22:49:56,741 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-22 22:49:56,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:49:56,760 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-11-22 22:49:56,760 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:49:57,404 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 22:49:57,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:49:57,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006223779] [2024-11-22 22:49:57,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006223779] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:49:57,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387061819] [2024-11-22 22:49:57,405 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-22 22:49:57,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:49:57,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:49:57,407 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:49:57,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-22 22:49:57,496 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-11-22 22:49:57,496 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:49:57,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-22 22:49:57,500 INFO L278 TraceCheckSpWp]: Computing forward predicates...