./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-zilu/benchmark36_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-zilu/benchmark36_conjunctive.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa1583b531c18e8d25726690525e5ca2db800c1fca35b7cfde3a7fa11382718a --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:29:30,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:29:30,207 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:29:30,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:29:30,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:29:30,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:29:30,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:29:30,235 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:29:30,235 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:29:30,236 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:29:30,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:29:30,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:29:30,238 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:29:30,241 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:29:30,241 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:29:30,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:29:30,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:29:30,242 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:29:30,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:29:30,242 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:29:30,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:29:30,244 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:29:30,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:29:30,245 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:29:30,245 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:29:30,245 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:29:30,245 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:29:30,246 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:29:30,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:29:30,246 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:29:30,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:29:30,246 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:29:30,246 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:29:30,247 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:29:30,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:29:30,247 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:29:30,247 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:29:30,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:29:30,247 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:29:30,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:29:30,248 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:29:30,249 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:29:30,249 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:29:30,249 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:29:30,249 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa1583b531c18e8d25726690525e5ca2db800c1fca35b7cfde3a7fa11382718a [2024-11-09 11:29:30,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:29:30,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:29:30,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:29:30,476 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:29:30,480 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:29:30,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-zilu/benchmark36_conjunctive.i [2024-11-09 11:29:31,779 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:29:31,958 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:29:31,959 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark36_conjunctive.i [2024-11-09 11:29:31,967 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dac87c774/0304664e713a4ee0b407ae24d1828a54/FLAG9f1adf063 [2024-11-09 11:29:31,977 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dac87c774/0304664e713a4ee0b407ae24d1828a54 [2024-11-09 11:29:31,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:29:31,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:29:31,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:29:31,983 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:29:31,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:29:31,988 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:29:31" (1/1) ... [2024-11-09 11:29:31,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@721909c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:31, skipping insertion in model container [2024-11-09 11:29:31,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:29:31" (1/1) ... [2024-11-09 11:29:32,010 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:29:32,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:29:32,163 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:29:32,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:29:32,190 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:29:32,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:32 WrapperNode [2024-11-09 11:29:32,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:29:32,193 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:29:32,193 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:29:32,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:29:32,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:32" (1/1) ... [2024-11-09 11:29:32,204 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:32" (1/1) ... [2024-11-09 11:29:32,218 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-09 11:29:32,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:29:32,220 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:29:32,220 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:29:32,221 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:29:32,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:32" (1/1) ... [2024-11-09 11:29:32,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:32" (1/1) ... [2024-11-09 11:29:32,234 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:32" (1/1) ... [2024-11-09 11:29:32,252 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 11:29:32,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:32" (1/1) ... [2024-11-09 11:29:32,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:32" (1/1) ... [2024-11-09 11:29:32,254 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:32" (1/1) ... [2024-11-09 11:29:32,259 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:32" (1/1) ... [2024-11-09 11:29:32,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:32" (1/1) ... [2024-11-09 11:29:32,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:32" (1/1) ... [2024-11-09 11:29:32,262 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:29:32,262 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:29:32,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:29:32,263 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:29:32,263 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:32" (1/1) ... [2024-11-09 11:29:32,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:29:32,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:29:32,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 11:29:32,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 11:29:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:29:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:29:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:29:32,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:29:32,393 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:29:32,409 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:29:32,580 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-09 11:29:32,580 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:29:32,596 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:29:32,596 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 11:29:32,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:29:32 BoogieIcfgContainer [2024-11-09 11:29:32,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:29:32,598 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:29:32,598 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:29:32,601 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:29:32,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:29:31" (1/3) ... [2024-11-09 11:29:32,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ce0198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:29:32, skipping insertion in model container [2024-11-09 11:29:32,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:32" (2/3) ... [2024-11-09 11:29:32,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ce0198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:29:32, skipping insertion in model container [2024-11-09 11:29:32,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:29:32" (3/3) ... [2024-11-09 11:29:32,604 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark36_conjunctive.i [2024-11-09 11:29:32,617 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:29:32,618 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 11:29:32,667 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:29:32,673 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;@286218b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:29:32,673 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-09 11:29:32,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 16 states have (on average 1.5625) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:32,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 11:29:32,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:29:32,683 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 11:29:32,683 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:29:32,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:29:32,689 INFO L85 PathProgramCache]: Analyzing trace with hash 889571337, now seen corresponding path program 1 times [2024-11-09 11:29:32,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:29:32,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898837121] [2024-11-09 11:29:32,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:29:32,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:29:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:29:32,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:32,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:29:32,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898837121] [2024-11-09 11:29:32,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898837121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:29:32,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:29:32,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:29:32,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967974386] [2024-11-09 11:29:32,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:29:32,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:29:32,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:29:32,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:29:32,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:29:32,889 INFO L87 Difference]: Start difference. First operand has 21 states, 16 states have (on average 1.5625) internal successors, (25), 20 states have internal predecessors, (25), 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) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:32,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:29:32,922 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2024-11-09 11:29:32,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:29:32,927 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 11:29:32,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:29:32,932 INFO L225 Difference]: With dead ends: 28 [2024-11-09 11:29:32,932 INFO L226 Difference]: Without dead ends: 12 [2024-11-09 11:29:32,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:29:32,937 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 6 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:29:32,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 29 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:29:32,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-09 11:29:32,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-09 11:29:32,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:32,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 11:29:32,964 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 6 [2024-11-09 11:29:32,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:29:32,964 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-09 11:29:32,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:32,965 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 11:29:32,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 11:29:32,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:29:32,965 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:29:32,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:29:32,966 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:29:32,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:29:32,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907722, now seen corresponding path program 1 times [2024-11-09 11:29:32,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:29:32,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261719176] [2024-11-09 11:29:32,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:29:32,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:29:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:29:33,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:33,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:29:33,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261719176] [2024-11-09 11:29:33,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261719176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:29:33,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:29:33,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:29:33,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639814034] [2024-11-09 11:29:33,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:29:33,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:29:33,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:29:33,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:29:33,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:29:33,066 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:33,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:29:33,088 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2024-11-09 11:29:33,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:29:33,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 11:29:33,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:29:33,089 INFO L225 Difference]: With dead ends: 17 [2024-11-09 11:29:33,090 INFO L226 Difference]: Without dead ends: 16 [2024-11-09 11:29:33,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:29:33,091 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:29:33,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:29:33,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-09 11:29:33,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-09 11:29:33,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:33,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2024-11-09 11:29:33,100 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 7 [2024-11-09 11:29:33,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:29:33,100 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2024-11-09 11:29:33,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:33,101 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2024-11-09 11:29:33,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 11:29:33,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:29:33,102 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:29:33,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:29:33,102 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:29:33,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:29:33,106 INFO L85 PathProgramCache]: Analyzing trace with hash 179564587, now seen corresponding path program 1 times [2024-11-09 11:29:33,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:29:33,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180910045] [2024-11-09 11:29:33,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:29:33,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:29:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:29:33,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:33,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:29:33,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180910045] [2024-11-09 11:29:33,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180910045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:29:33,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:29:33,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:29:33,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064977638] [2024-11-09 11:29:33,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:29:33,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:29:33,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:29:33,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:29:33,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:29:33,176 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:33,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:29:33,196 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2024-11-09 11:29:33,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:29:33,199 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-09 11:29:33,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:29:33,199 INFO L225 Difference]: With dead ends: 16 [2024-11-09 11:29:33,200 INFO L226 Difference]: Without dead ends: 15 [2024-11-09 11:29:33,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:29:33,201 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:29:33,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 14 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:29:33,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-09 11:29:33,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-09 11:29:33,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:33,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-09 11:29:33,208 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2024-11-09 11:29:33,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:29:33,208 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-11-09 11:29:33,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:33,210 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-09 11:29:33,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 11:29:33,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:29:33,211 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:29:33,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:29:33,211 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:29:33,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:29:33,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1271534956, now seen corresponding path program 1 times [2024-11-09 11:29:33,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:29:33,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469511171] [2024-11-09 11:29:33,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:29:33,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:29:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:29:33,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:33,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:29:33,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469511171] [2024-11-09 11:29:33,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469511171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:29:33,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:29:33,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:29:33,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350474591] [2024-11-09 11:29:33,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:29:33,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:29:33,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:29:33,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:29:33,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:29:33,276 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:33,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:29:33,294 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2024-11-09 11:29:33,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:29:33,295 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2024-11-09 11:29:33,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:29:33,296 INFO L225 Difference]: With dead ends: 18 [2024-11-09 11:29:33,296 INFO L226 Difference]: Without dead ends: 17 [2024-11-09 11:29:33,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:29:33,298 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:29:33,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:29:33,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-09 11:29:33,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-09 11:29:33,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:33,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2024-11-09 11:29:33,305 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 9 [2024-11-09 11:29:33,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:29:33,305 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2024-11-09 11:29:33,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:33,305 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2024-11-09 11:29:33,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 11:29:33,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:29:33,306 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:29:33,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 11:29:33,307 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:29:33,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:29:33,307 INFO L85 PathProgramCache]: Analyzing trace with hash -2067968621, now seen corresponding path program 1 times [2024-11-09 11:29:33,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:29:33,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565701437] [2024-11-09 11:29:33,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:29:33,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:29:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:29:33,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:33,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:29:33,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565701437] [2024-11-09 11:29:33,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565701437] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:29:33,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825102111] [2024-11-09 11:29:33,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:29:33,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:29:33,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:29:33,405 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:29:33,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:29:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:29:33,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:29:33,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:29:33,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:33,502 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:29:33,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:33,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825102111] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:29:33,554 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:29:33,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-09 11:29:33,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289841975] [2024-11-09 11:29:33,554 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:29:33,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:29:33,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:29:33,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:29:33,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:29:33,556 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:33,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:29:33,594 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2024-11-09 11:29:33,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:29:33,595 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 10 states have internal predecessors, (24), 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 13 [2024-11-09 11:29:33,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:29:33,595 INFO L225 Difference]: With dead ends: 36 [2024-11-09 11:29:33,596 INFO L226 Difference]: Without dead ends: 35 [2024-11-09 11:29:33,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:29:33,597 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 5 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:29:33,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 37 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:29:33,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-09 11:29:33,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2024-11-09 11:29:33,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 32 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:33,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2024-11-09 11:29:33,604 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 13 [2024-11-09 11:29:33,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:29:33,604 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2024-11-09 11:29:33,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:33,604 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2024-11-09 11:29:33,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 11:29:33,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:29:33,605 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 11:29:33,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 11:29:33,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:29:33,806 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:29:33,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:29:33,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1252014965, now seen corresponding path program 1 times [2024-11-09 11:29:33,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:29:33,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783949366] [2024-11-09 11:29:33,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:29:33,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:29:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:29:33,872 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:33,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:29:33,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783949366] [2024-11-09 11:29:33,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783949366] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:29:33,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144020550] [2024-11-09 11:29:33,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:29:33,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:29:33,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:29:33,878 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:29:33,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:29:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:29:33,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:29:33,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:29:33,953 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:33,953 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:29:34,006 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:34,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144020550] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:29:34,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:29:34,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-09 11:29:34,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574034457] [2024-11-09 11:29:34,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:29:34,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:29:34,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:29:34,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:29:34,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:29:34,008 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:34,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:29:34,041 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2024-11-09 11:29:34,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:29:34,041 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 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 15 [2024-11-09 11:29:34,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:29:34,042 INFO L225 Difference]: With dead ends: 36 [2024-11-09 11:29:34,042 INFO L226 Difference]: Without dead ends: 35 [2024-11-09 11:29:34,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:29:34,043 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:29:34,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 41 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:29:34,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-09 11:29:34,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-09 11:29:34,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 34 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:34,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2024-11-09 11:29:34,049 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 15 [2024-11-09 11:29:34,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:29:34,049 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2024-11-09 11:29:34,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:34,049 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2024-11-09 11:29:34,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 11:29:34,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:29:34,050 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1, 1] [2024-11-09 11:29:34,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 11:29:34,255 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,SelfDestructingSolverStorable5 [2024-11-09 11:29:34,256 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:29:34,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:29:34,256 INFO L85 PathProgramCache]: Analyzing trace with hash -96785938, now seen corresponding path program 2 times [2024-11-09 11:29:34,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:29:34,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132107724] [2024-11-09 11:29:34,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:29:34,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:29:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:29:34,437 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:34,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:29:34,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132107724] [2024-11-09 11:29:34,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132107724] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:29:34,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957587198] [2024-11-09 11:29:34,438 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:29:34,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:29:34,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:29:34,440 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:29:34,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:29:34,482 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:29:34,482 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:29:34,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:29:34,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:29:34,537 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:34,537 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:29:34,700 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:34,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957587198] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:29:34,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:29:34,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-11-09 11:29:34,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110841194] [2024-11-09 11:29:34,701 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:29:34,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 11:29:34,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:29:34,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 11:29:34,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-09 11:29:34,702 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand has 22 states, 21 states have (on average 2.857142857142857) internal successors, (60), 22 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:34,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:29:34,753 INFO L93 Difference]: Finished difference Result 75 states and 80 transitions. [2024-11-09 11:29:34,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 11:29:34,753 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.857142857142857) internal successors, (60), 22 states have internal predecessors, (60), 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 31 [2024-11-09 11:29:34,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:29:34,754 INFO L225 Difference]: With dead ends: 75 [2024-11-09 11:29:34,754 INFO L226 Difference]: Without dead ends: 74 [2024-11-09 11:29:34,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-09 11:29:34,755 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 11 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:29:34,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 82 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:29:34,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-09 11:29:34,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 69. [2024-11-09 11:29:34,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 67 states have (on average 1.1044776119402986) internal successors, (74), 68 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:34,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2024-11-09 11:29:34,763 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 74 transitions. Word has length 31 [2024-11-09 11:29:34,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:29:34,763 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 74 transitions. [2024-11-09 11:29:34,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.857142857142857) internal successors, (60), 22 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:34,764 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2024-11-09 11:29:34,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 11:29:34,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:29:34,764 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 1, 1, 1, 1] [2024-11-09 11:29:34,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 11:29:34,967 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 [2024-11-09 11:29:34,968 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:29:34,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:29:34,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1477995792, now seen corresponding path program 2 times [2024-11-09 11:29:34,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:29:34,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127868425] [2024-11-09 11:29:34,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:29:34,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:29:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:29:35,122 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:35,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:29:35,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127868425] [2024-11-09 11:29:35,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127868425] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:29:35,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372144515] [2024-11-09 11:29:35,123 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:29:35,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:29:35,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:29:35,125 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:29:35,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:29:35,161 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:29:35,161 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:29:35,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 11:29:35,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:29:35,197 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:35,197 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:29:35,362 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:35,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372144515] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:29:35,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:29:35,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-11-09 11:29:35,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131277664] [2024-11-09 11:29:35,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:29:35,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 11:29:35,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:29:35,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 11:29:35,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-09 11:29:35,364 INFO L87 Difference]: Start difference. First operand 69 states and 74 transitions. Second operand has 22 states, 21 states have (on average 3.0476190476190474) internal successors, (64), 22 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:35,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:29:35,420 INFO L93 Difference]: Finished difference Result 72 states and 77 transitions. [2024-11-09 11:29:35,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 11:29:35,421 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.0476190476190474) internal successors, (64), 22 states have internal predecessors, (64), 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 33 [2024-11-09 11:29:35,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:29:35,421 INFO L225 Difference]: With dead ends: 72 [2024-11-09 11:29:35,421 INFO L226 Difference]: Without dead ends: 71 [2024-11-09 11:29:35,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-09 11:29:35,422 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:29:35,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:29:35,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-09 11:29:35,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-09 11:29:35,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 69 states have (on average 1.0289855072463767) internal successors, (71), 70 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:35,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2024-11-09 11:29:35,428 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 33 [2024-11-09 11:29:35,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:29:35,428 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2024-11-09 11:29:35,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.0476190476190474) internal successors, (64), 22 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:35,428 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2024-11-09 11:29:35,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 11:29:35,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:29:35,429 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 1, 1, 1, 1] [2024-11-09 11:29:35,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:29:35,633 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 [2024-11-09 11:29:35,634 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:29:35,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:29:35,634 INFO L85 PathProgramCache]: Analyzing trace with hash -479014812, now seen corresponding path program 3 times [2024-11-09 11:29:35,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:29:35,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457890230] [2024-11-09 11:29:35,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:29:35,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:29:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:29:35,995 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:35,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:29:35,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457890230] [2024-11-09 11:29:35,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457890230] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:29:35,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161027181] [2024-11-09 11:29:35,995 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:29:35,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:29:35,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:29:35,998 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:29:36,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:29:36,053 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-09 11:29:36,053 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:29:36,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 11:29:36,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:29:36,139 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:36,140 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:29:36,612 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:36,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161027181] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:29:36,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:29:36,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2024-11-09 11:29:36,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219511048] [2024-11-09 11:29:36,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:29:36,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-09 11:29:36,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:29:36,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-09 11:29:36,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-11-09 11:29:36,615 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand has 46 states, 45 states have (on average 2.933333333333333) internal successors, (132), 46 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:36,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:29:36,720 INFO L93 Difference]: Finished difference Result 153 states and 164 transitions. [2024-11-09 11:29:36,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-09 11:29:36,721 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 2.933333333333333) internal successors, (132), 46 states have internal predecessors, (132), 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 67 [2024-11-09 11:29:36,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:29:36,722 INFO L225 Difference]: With dead ends: 153 [2024-11-09 11:29:36,722 INFO L226 Difference]: Without dead ends: 152 [2024-11-09 11:29:36,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-11-09 11:29:36,724 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 21 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:29:36,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 121 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:29:36,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-09 11:29:36,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 141. [2024-11-09 11:29:36,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 139 states have (on average 1.0935251798561152) internal successors, (152), 140 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:36,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 152 transitions. [2024-11-09 11:29:36,737 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 152 transitions. Word has length 67 [2024-11-09 11:29:36,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:29:36,738 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 152 transitions. [2024-11-09 11:29:36,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 2.933333333333333) internal successors, (132), 46 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:36,738 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 152 transitions. [2024-11-09 11:29:36,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 11:29:36,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:29:36,739 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 1, 1, 1, 1] [2024-11-09 11:29:36,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 11:29:36,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:29:36,944 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:29:36,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:29:36,944 INFO L85 PathProgramCache]: Analyzing trace with hash -771731962, now seen corresponding path program 3 times [2024-11-09 11:29:36,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:29:36,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131808648] [2024-11-09 11:29:36,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:29:36,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:29:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:29:37,302 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:37,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:29:37,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131808648] [2024-11-09 11:29:37,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131808648] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:29:37,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996201082] [2024-11-09 11:29:37,303 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:29:37,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:29:37,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:29:37,304 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:29:37,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:29:37,356 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-09 11:29:37,357 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:29:37,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 11:29:37,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:29:37,442 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:37,442 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:29:37,905 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:37,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996201082] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:29:37,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:29:37,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2024-11-09 11:29:37,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398733562] [2024-11-09 11:29:37,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:29:37,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-09 11:29:37,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:29:37,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-09 11:29:37,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-11-09 11:29:37,908 INFO L87 Difference]: Start difference. First operand 141 states and 152 transitions. Second operand has 46 states, 45 states have (on average 3.022222222222222) internal successors, (136), 46 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:37,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:29:37,983 INFO L93 Difference]: Finished difference Result 144 states and 155 transitions. [2024-11-09 11:29:37,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-09 11:29:37,984 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 3.022222222222222) internal successors, (136), 46 states have internal predecessors, (136), 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 69 [2024-11-09 11:29:37,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:29:37,985 INFO L225 Difference]: With dead ends: 144 [2024-11-09 11:29:37,985 INFO L226 Difference]: Without dead ends: 143 [2024-11-09 11:29:37,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-11-09 11:29:37,986 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:29:37,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:29:37,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-09 11:29:37,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-11-09 11:29:37,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 141 states have (on average 1.0141843971631206) internal successors, (143), 142 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:37,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 143 transitions. [2024-11-09 11:29:37,993 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 143 transitions. Word has length 69 [2024-11-09 11:29:37,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:29:37,993 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 143 transitions. [2024-11-09 11:29:37,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 3.022222222222222) internal successors, (136), 46 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:37,993 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 143 transitions. [2024-11-09 11:29:37,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 11:29:37,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:29:37,996 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 1, 1, 1, 1] [2024-11-09 11:29:38,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 11:29:38,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:29:38,197 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:29:38,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:29:38,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1591143344, now seen corresponding path program 4 times [2024-11-09 11:29:38,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:29:38,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69235856] [2024-11-09 11:29:38,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:29:38,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:29:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:29:39,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:39,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:29:39,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69235856] [2024-11-09 11:29:39,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69235856] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:29:39,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047939609] [2024-11-09 11:29:39,329 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 11:29:39,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:29:39,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:29:39,331 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:29:39,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:29:39,399 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 11:29:39,400 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:29:39,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-09 11:29:39,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:29:39,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:39,545 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:29:41,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:41,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047939609] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:29:41,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:29:41,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 93 [2024-11-09 11:29:41,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438152656] [2024-11-09 11:29:41,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:29:41,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-11-09 11:29:41,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:29:41,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-11-09 11:29:41,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2024-11-09 11:29:41,093 INFO L87 Difference]: Start difference. First operand 143 states and 143 transitions. Second operand has 94 states, 93 states have (on average 2.967741935483871) internal successors, (276), 94 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:41,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:29:41,267 INFO L93 Difference]: Finished difference Result 309 states and 332 transitions. [2024-11-09 11:29:41,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-09 11:29:41,268 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 2.967741935483871) internal successors, (276), 94 states have internal predecessors, (276), 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 139 [2024-11-09 11:29:41,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:29:41,269 INFO L225 Difference]: With dead ends: 309 [2024-11-09 11:29:41,269 INFO L226 Difference]: Without dead ends: 308 [2024-11-09 11:29:41,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2509 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2024-11-09 11:29:41,271 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 101 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:29:41,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 206 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:29:41,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-11-09 11:29:41,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 285. [2024-11-09 11:29:41,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 283 states have (on average 1.088339222614841) internal successors, (308), 284 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:41,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 308 transitions. [2024-11-09 11:29:41,281 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 308 transitions. Word has length 139 [2024-11-09 11:29:41,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:29:41,282 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 308 transitions. [2024-11-09 11:29:41,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 2.967741935483871) internal successors, (276), 94 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:41,282 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 308 transitions. [2024-11-09 11:29:41,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-09 11:29:41,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:29:41,284 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 22, 1, 1, 1, 1] [2024-11-09 11:29:41,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 11:29:41,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:29:41,488 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:29:41,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:29:41,488 INFO L85 PathProgramCache]: Analyzing trace with hash -80394510, now seen corresponding path program 4 times [2024-11-09 11:29:41,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:29:41,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321460702] [2024-11-09 11:29:41,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:29:41,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:29:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:29:42,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1518 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:42,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:29:42,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321460702] [2024-11-09 11:29:42,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321460702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:29:42,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257486423] [2024-11-09 11:29:42,430 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 11:29:42,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:29:42,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:29:42,432 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:29:42,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:29:42,494 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 11:29:42,494 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:29:42,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-09 11:29:42,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:29:42,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1518 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:42,649 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:29:43,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1518 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:43,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257486423] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:29:43,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:29:43,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 93 [2024-11-09 11:29:43,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061826198] [2024-11-09 11:29:43,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:29:43,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-11-09 11:29:43,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:29:43,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-11-09 11:29:43,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2024-11-09 11:29:43,981 INFO L87 Difference]: Start difference. First operand 285 states and 308 transitions. Second operand has 94 states, 93 states have (on average 3.010752688172043) internal successors, (280), 94 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:44,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:29:44,148 INFO L93 Difference]: Finished difference Result 288 states and 311 transitions. [2024-11-09 11:29:44,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-09 11:29:44,149 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 3.010752688172043) internal successors, (280), 94 states have internal predecessors, (280), 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 141 [2024-11-09 11:29:44,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:29:44,150 INFO L225 Difference]: With dead ends: 288 [2024-11-09 11:29:44,150 INFO L226 Difference]: Without dead ends: 287 [2024-11-09 11:29:44,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2509 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2024-11-09 11:29:44,152 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:29:44,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 224 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:29:44,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-09 11:29:44,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2024-11-09 11:29:44,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 285 states have (on average 1.0070175438596491) internal successors, (287), 286 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:44,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 287 transitions. [2024-11-09 11:29:44,163 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 287 transitions. Word has length 141 [2024-11-09 11:29:44,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:29:44,163 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 287 transitions. [2024-11-09 11:29:44,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 3.010752688172043) internal successors, (280), 94 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:44,163 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 287 transitions. [2024-11-09 11:29:44,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2024-11-09 11:29:44,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:29:44,169 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 1, 1, 1, 1] [2024-11-09 11:29:44,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 11:29:44,370 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,SelfDestructingSolverStorable11 [2024-11-09 11:29:44,370 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:29:44,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:29:44,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1393260584, now seen corresponding path program 5 times [2024-11-09 11:29:44,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:29:44,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957392636] [2024-11-09 11:29:44,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:29:44,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:29:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:29:47,758 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:47,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:29:47,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957392636] [2024-11-09 11:29:47,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957392636] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:29:47,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686037937] [2024-11-09 11:29:47,759 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-09 11:29:47,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:29:47,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:29:47,760 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:29:47,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:29:47,960 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-09 11:29:47,960 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:29:47,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-09 11:29:47,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:29:48,226 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:48,226 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:29:53,069 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:53,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686037937] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:29:53,069 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:29:53,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 189 [2024-11-09 11:29:53,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639304340] [2024-11-09 11:29:53,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:29:53,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2024-11-09 11:29:53,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:29:53,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2024-11-09 11:29:53,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2024-11-09 11:29:53,078 INFO L87 Difference]: Start difference. First operand 287 states and 287 transitions. Second operand has 190 states, 189 states have (on average 2.984126984126984) internal successors, (564), 190 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:53,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:29:53,557 INFO L93 Difference]: Finished difference Result 621 states and 668 transitions. [2024-11-09 11:29:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-11-09 11:29:53,558 INFO L78 Accepts]: Start accepts. Automaton has has 190 states, 189 states have (on average 2.984126984126984) internal successors, (564), 190 states have internal predecessors, (564), 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 283 [2024-11-09 11:29:53,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:29:53,560 INFO L225 Difference]: With dead ends: 621 [2024-11-09 11:29:53,560 INFO L226 Difference]: Without dead ends: 620 [2024-11-09 11:29:53,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 659 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10765 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2024-11-09 11:29:53,562 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 209 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:29:53,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 386 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:29:53,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2024-11-09 11:29:53,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 573. [2024-11-09 11:29:53,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 571 states have (on average 1.085814360770578) internal successors, (620), 572 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:53,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 620 transitions. [2024-11-09 11:29:53,573 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 620 transitions. Word has length 283 [2024-11-09 11:29:53,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:29:53,573 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 620 transitions. [2024-11-09 11:29:53,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 189 states have (on average 2.984126984126984) internal successors, (564), 190 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:53,573 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 620 transitions. [2024-11-09 11:29:53,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-11-09 11:29:53,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:29:53,575 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 46, 1, 1, 1, 1] [2024-11-09 11:29:53,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 11:29:53,776 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,SelfDestructingSolverStorable12 [2024-11-09 11:29:53,776 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:29:53,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:29:53,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1106373430, now seen corresponding path program 5 times [2024-11-09 11:29:53,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:29:53,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766952899] [2024-11-09 11:29:53,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:29:53,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:29:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:29:56,882 INFO L134 CoverageAnalysis]: Checked inductivity of 6486 backedges. 0 proven. 6486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:56,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:29:56,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766952899] [2024-11-09 11:29:56,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766952899] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:29:56,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632950691] [2024-11-09 11:29:56,884 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-09 11:29:56,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:29:56,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:29:56,885 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:29:56,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:29:57,069 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-09 11:29:57,069 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:29:57,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-11-09 11:29:57,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:29:57,305 INFO L134 CoverageAnalysis]: Checked inductivity of 6486 backedges. 0 proven. 6486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:57,305 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:02,374 INFO L134 CoverageAnalysis]: Checked inductivity of 6486 backedges. 0 proven. 6486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:02,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632950691] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:30:02,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:30:02,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 189 [2024-11-09 11:30:02,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360469734] [2024-11-09 11:30:02,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:02,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2024-11-09 11:30:02,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:02,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2024-11-09 11:30:02,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2024-11-09 11:30:02,380 INFO L87 Difference]: Start difference. First operand 573 states and 620 transitions. Second operand has 190 states, 189 states have (on average 3.005291005291005) internal successors, (568), 190 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:02,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:02,890 INFO L93 Difference]: Finished difference Result 576 states and 623 transitions. [2024-11-09 11:30:02,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-11-09 11:30:02,890 INFO L78 Accepts]: Start accepts. Automaton has has 190 states, 189 states have (on average 3.005291005291005) internal successors, (568), 190 states have internal predecessors, (568), 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 285 [2024-11-09 11:30:02,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:02,892 INFO L225 Difference]: With dead ends: 576 [2024-11-09 11:30:02,892 INFO L226 Difference]: Without dead ends: 575 [2024-11-09 11:30:02,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 663 GetRequests, 475 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10765 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2024-11-09 11:30:02,895 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:02,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 359 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:02,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2024-11-09 11:30:02,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2024-11-09 11:30:02,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 573 states have (on average 1.0034904013961605) internal successors, (575), 574 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:02,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 575 transitions. [2024-11-09 11:30:02,909 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 575 transitions. Word has length 285 [2024-11-09 11:30:02,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:02,910 INFO L471 AbstractCegarLoop]: Abstraction has 575 states and 575 transitions. [2024-11-09 11:30:02,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 189 states have (on average 3.005291005291005) internal successors, (568), 190 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:02,910 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 575 transitions. [2024-11-09 11:30:02,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2024-11-09 11:30:02,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:02,916 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 95, 94, 94, 94, 1, 1, 1, 1] [2024-11-09 11:30:02,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:03,116 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,SelfDestructingSolverStorable13 [2024-11-09 11:30:03,117 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:30:03,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:03,117 INFO L85 PathProgramCache]: Analyzing trace with hash -982011944, now seen corresponding path program 6 times [2024-11-09 11:30:03,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:03,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836605080] [2024-11-09 11:30:03,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:03,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:16,742 INFO L134 CoverageAnalysis]: Checked inductivity of 26602 backedges. 0 proven. 26602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:16,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:16,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836605080] [2024-11-09 11:30:16,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836605080] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:16,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370336926] [2024-11-09 11:30:16,743 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-09 11:30:16,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:16,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:16,744 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:16,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:30:17,410 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-09 11:30:17,410 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:30:17,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 192 conjuncts are in the unsatisfiable core [2024-11-09 11:30:17,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:17,828 INFO L134 CoverageAnalysis]: Checked inductivity of 26602 backedges. 0 proven. 26602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:17,828 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:36,620 INFO L134 CoverageAnalysis]: Checked inductivity of 26602 backedges. 0 proven. 26602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:36,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370336926] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:30:36,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:30:36,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191, 191, 191] total 381 [2024-11-09 11:30:36,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912540736] [2024-11-09 11:30:36,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:36,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 382 states [2024-11-09 11:30:36,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:36,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 382 interpolants. [2024-11-09 11:30:36,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36671, Invalid=108871, Unknown=0, NotChecked=0, Total=145542 [2024-11-09 11:30:36,632 INFO L87 Difference]: Start difference. First operand 575 states and 575 transitions. Second operand has 382 states, 381 states have (on average 2.9921259842519685) internal successors, (1140), 382 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:38,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:38,997 INFO L93 Difference]: Finished difference Result 1245 states and 1340 transitions. [2024-11-09 11:30:38,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 382 states. [2024-11-09 11:30:38,998 INFO L78 Accepts]: Start accepts. Automaton has has 382 states, 381 states have (on average 2.9921259842519685) internal successors, (1140), 382 states have internal predecessors, (1140), 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 571 [2024-11-09 11:30:38,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:39,001 INFO L225 Difference]: With dead ends: 1245 [2024-11-09 11:30:39,001 INFO L226 Difference]: Without dead ends: 1244 [2024-11-09 11:30:39,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1331 GetRequests, 951 SyntacticMatches, 0 SemanticMatches, 380 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44557 ImplicationChecksByTransitivity, 25.1s TimeCoverageRelationStatistics Valid=36671, Invalid=108871, Unknown=0, NotChecked=0, Total=145542 [2024-11-09 11:30:39,006 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 382 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:39,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 715 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:30:39,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2024-11-09 11:30:39,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1149. [2024-11-09 11:30:39,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1149 states, 1147 states have (on average 1.084568439407149) internal successors, (1244), 1148 states have internal predecessors, (1244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:39,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1244 transitions. [2024-11-09 11:30:39,023 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 1244 transitions. Word has length 571 [2024-11-09 11:30:39,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:39,024 INFO L471 AbstractCegarLoop]: Abstraction has 1149 states and 1244 transitions. [2024-11-09 11:30:39,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 382 states, 381 states have (on average 2.9921259842519685) internal successors, (1140), 382 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:39,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1244 transitions. [2024-11-09 11:30:39,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 574 [2024-11-09 11:30:39,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:39,031 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 95, 94, 1, 1, 1, 1] [2024-11-09 11:30:39,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:39,231 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,SelfDestructingSolverStorable14 [2024-11-09 11:30:39,231 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:30:39,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:39,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1179328634, now seen corresponding path program 6 times [2024-11-09 11:30:39,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:39,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831782396] [2024-11-09 11:30:39,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:39,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,467 INFO L134 CoverageAnalysis]: Checked inductivity of 26790 backedges. 0 proven. 26790 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:52,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:52,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831782396] [2024-11-09 11:30:52,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831782396] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:52,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012207869] [2024-11-09 11:30:52,467 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-09 11:30:52,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:52,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:52,469 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) [2024-11-09 11:30:52,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:30:53,069 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-09 11:30:53,069 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:30:53,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 1353 conjuncts, 191 conjuncts are in the unsatisfiable core [2024-11-09 11:30:53,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:53,537 INFO L134 CoverageAnalysis]: Checked inductivity of 26790 backedges. 0 proven. 26790 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:53,537 INFO L311 TraceCheckSpWp]: Computing backward predicates...