./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 357c28cbcf8a6aaf949faeabbb5ae0b19b92db6bb2faeba12cd91e7c958ae977 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:50:13,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:50:13,788 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:50:13,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:50:13,794 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:50:13,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:50:13,822 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:50:13,822 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:50:13,823 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:50:13,826 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:50:13,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:50:13,826 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:50:13,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:50:13,827 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:50:13,827 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:50:13,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:50:13,828 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:50:13,828 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:50:13,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:50:13,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:50:13,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:50:13,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:50:13,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:50:13,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:50:13,831 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:50:13,831 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:50:13,831 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:50:13,831 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:50:13,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:50:13,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:50:13,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:50:13,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:50:13,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:50:13,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:50:13,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:50:13,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:50:13,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:50:13,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:50:13,834 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:50:13,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:50:13,835 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:50:13,835 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:50:13,836 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:50:13,836 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:50:13,836 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 357c28cbcf8a6aaf949faeabbb5ae0b19b92db6bb2faeba12cd91e7c958ae977 [2024-11-22 22:50:14,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:50:14,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:50:14,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:50:14,079 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:50:14,079 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:50:14,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c [2024-11-22 22:50:15,380 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:50:15,527 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:50:15,527 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c [2024-11-22 22:50:15,533 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd5c4cb88/179f4befd04d4895baebaad54e9c3224/FLAG9362af6d6 [2024-11-22 22:50:15,546 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd5c4cb88/179f4befd04d4895baebaad54e9c3224 [2024-11-22 22:50:15,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:50:15,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:50:15,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:50:15,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:50:15,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:50:15,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:50:15" (1/1) ... [2024-11-22 22:50:15,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a30ebc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:15, skipping insertion in model container [2024-11-22 22:50:15,558 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:50:15" (1/1) ... [2024-11-22 22:50:15,574 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:50:15,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:50:15,721 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:50:15,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:50:15,752 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:50:15,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:15 WrapperNode [2024-11-22 22:50:15,753 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:50:15,754 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:50:15,754 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:50:15,754 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:50:15,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:15" (1/1) ... [2024-11-22 22:50:15,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:15" (1/1) ... [2024-11-22 22:50:15,781 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2024-11-22 22:50:15,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:50:15,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:50:15,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:50:15,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:50:15,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:15" (1/1) ... [2024-11-22 22:50:15,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:15" (1/1) ... [2024-11-22 22:50:15,795 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:15" (1/1) ... [2024-11-22 22:50:15,809 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-22 22:50:15,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:15" (1/1) ... [2024-11-22 22:50:15,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:15" (1/1) ... [2024-11-22 22:50:15,813 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:15" (1/1) ... [2024-11-22 22:50:15,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:15" (1/1) ... [2024-11-22 22:50:15,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:15" (1/1) ... [2024-11-22 22:50:15,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:15" (1/1) ... [2024-11-22 22:50:15,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:50:15,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:50:15,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:50:15,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:50:15,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:15" (1/1) ... [2024-11-22 22:50:15,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:50:15,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:15,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 22:50:15,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 22:50:15,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:50:15,913 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 22:50:15,913 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 22:50:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:50:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 22:50:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:50:15,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:50:15,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 22:50:15,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 22:50:15,966 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:50:15,968 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:50:16,114 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-22 22:50:16,115 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:50:16,126 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:50:16,126 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-22 22:50:16,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:50:16 BoogieIcfgContainer [2024-11-22 22:50:16,126 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:50:16,128 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:50:16,128 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:50:16,136 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:50:16,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:50:15" (1/3) ... [2024-11-22 22:50:16,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c816732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:50:16, skipping insertion in model container [2024-11-22 22:50:16,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:15" (2/3) ... [2024-11-22 22:50:16,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c816732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:50:16, skipping insertion in model container [2024-11-22 22:50:16,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:50:16" (3/3) ... [2024-11-22 22:50:16,139 INFO L112 eAbstractionObserver]: Analyzing ICFG lcm1_unwindbound10.c [2024-11-22 22:50:16,155 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:50:16,155 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-22 22:50:16,268 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:50:16,295 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;@71817a6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:50:16,298 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-22 22:50:16,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 35 states have internal predecessors, (46), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 22:50:16,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-22 22:50:16,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:16,314 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:16,314 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:16,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:16,320 INFO L85 PathProgramCache]: Analyzing trace with hash 2022069469, now seen corresponding path program 1 times [2024-11-22 22:50:16,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:16,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077870407] [2024-11-22 22:50:16,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:16,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:16,511 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 22:50:16,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:16,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077870407] [2024-11-22 22:50:16,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077870407] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:16,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182284545] [2024-11-22 22:50:16,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:16,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:16,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:16,516 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:50:16,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 22:50:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:16,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 22:50:16,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:16,589 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 22:50:16,589 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:50:16,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1182284545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:16,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:50:16,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 22:50:16,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929344601] [2024-11-22 22:50:16,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:16,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 22:50:16,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:16,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 22:50:16,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:50:16,614 INFO L87 Difference]: Start difference. First operand has 47 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 35 states have internal predecessors, (46), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:50:16,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:16,630 INFO L93 Difference]: Finished difference Result 90 states and 132 transitions. [2024-11-22 22:50:16,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 22:50:16,632 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2024-11-22 22:50:16,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:16,637 INFO L225 Difference]: With dead ends: 90 [2024-11-22 22:50:16,637 INFO L226 Difference]: Without dead ends: 39 [2024-11-22 22:50:16,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:50:16,642 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:16,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:50:16,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-22 22:50:16,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-22 22:50:16,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 29 states have internal predecessors, (34), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 22:50:16,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions. [2024-11-22 22:50:16,673 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 48 transitions. Word has length 25 [2024-11-22 22:50:16,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:16,673 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 48 transitions. [2024-11-22 22:50:16,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:50:16,673 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2024-11-22 22:50:16,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-22 22:50:16,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:16,674 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:16,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 22:50:16,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 22:50:16,879 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:16,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:16,880 INFO L85 PathProgramCache]: Analyzing trace with hash -2112941475, now seen corresponding path program 1 times [2024-11-22 22:50:16,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:16,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395985841] [2024-11-22 22:50:16,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:16,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:17,115 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:17,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:17,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395985841] [2024-11-22 22:50:17,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395985841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:17,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:17,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:50:17,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827137105] [2024-11-22 22:50:17,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:17,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:50:17,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:17,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:50:17,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:50:17,118 INFO L87 Difference]: Start difference. First operand 39 states and 48 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:50:17,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:17,156 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2024-11-22 22:50:17,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:50:17,156 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 25 [2024-11-22 22:50:17,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:17,157 INFO L225 Difference]: With dead ends: 45 [2024-11-22 22:50:17,157 INFO L226 Difference]: Without dead ends: 43 [2024-11-22 22:50:17,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:50:17,158 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 11 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:17,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 112 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:50:17,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-22 22:50:17,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2024-11-22 22:50:17,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 32 states have internal predecessors, (37), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 22:50:17,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 51 transitions. [2024-11-22 22:50:17,165 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 51 transitions. Word has length 25 [2024-11-22 22:50:17,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:17,166 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 51 transitions. [2024-11-22 22:50:17,167 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:50:17,167 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2024-11-22 22:50:17,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-22 22:50:17,167 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:17,168 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:17,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 22:50:17,168 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:17,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:17,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1804441474, now seen corresponding path program 1 times [2024-11-22 22:50:17,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:17,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723027313] [2024-11-22 22:50:17,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:17,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:17,298 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:17,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:17,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723027313] [2024-11-22 22:50:17,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723027313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:17,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:17,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 22:50:17,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681379377] [2024-11-22 22:50:17,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:17,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:50:17,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:17,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:50:17,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:50:17,301 INFO L87 Difference]: Start difference. First operand 42 states and 51 transitions. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:50:17,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:17,455 INFO L93 Difference]: Finished difference Result 62 states and 74 transitions. [2024-11-22 22:50:17,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:50:17,456 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 35 [2024-11-22 22:50:17,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:17,457 INFO L225 Difference]: With dead ends: 62 [2024-11-22 22:50:17,457 INFO L226 Difference]: Without dead ends: 61 [2024-11-22 22:50:17,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:50:17,458 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 28 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:17,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 177 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:50:17,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-22 22:50:17,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 55. [2024-11-22 22:50:17,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 42 states have internal predecessors, (50), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 22:50:17,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2024-11-22 22:50:17,472 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 35 [2024-11-22 22:50:17,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:17,473 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2024-11-22 22:50:17,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:50:17,474 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2024-11-22 22:50:17,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-22 22:50:17,474 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:17,475 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:17,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 22:50:17,475 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:17,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:17,476 INFO L85 PathProgramCache]: Analyzing trace with hash -103110780, now seen corresponding path program 1 times [2024-11-22 22:50:17,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:17,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116887327] [2024-11-22 22:50:17,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:17,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:17,626 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:17,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:17,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116887327] [2024-11-22 22:50:17,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116887327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:17,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:17,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 22:50:17,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989352469] [2024-11-22 22:50:17,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:17,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:50:17,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:17,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:50:17,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:50:17,630 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:50:17,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:17,709 INFO L93 Difference]: Finished difference Result 91 states and 111 transitions. [2024-11-22 22:50:17,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:50:17,710 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2024-11-22 22:50:17,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:17,711 INFO L225 Difference]: With dead ends: 91 [2024-11-22 22:50:17,711 INFO L226 Difference]: Without dead ends: 63 [2024-11-22 22:50:17,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:50:17,713 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 22 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:17,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 144 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:50:17,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-22 22:50:17,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-22 22:50:17,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 49 states have internal predecessors, (57), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 22:50:17,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 75 transitions. [2024-11-22 22:50:17,745 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 75 transitions. Word has length 36 [2024-11-22 22:50:17,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:17,745 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 75 transitions. [2024-11-22 22:50:17,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:50:17,746 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2024-11-22 22:50:17,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-22 22:50:17,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:17,747 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:17,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 22:50:17,747 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:17,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:17,748 INFO L85 PathProgramCache]: Analyzing trace with hash -948546387, now seen corresponding path program 1 times [2024-11-22 22:50:17,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:17,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551349371] [2024-11-22 22:50:17,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:17,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:17,882 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:50:17,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:17,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551349371] [2024-11-22 22:50:17,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551349371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:17,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:17,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 22:50:17,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428229689] [2024-11-22 22:50:17,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:17,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:50:17,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:17,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:50:17,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:50:17,887 INFO L87 Difference]: Start difference. First operand 63 states and 75 transitions. Second operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:50:18,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:18,173 INFO L93 Difference]: Finished difference Result 81 states and 94 transitions. [2024-11-22 22:50:18,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:50:18,173 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 45 [2024-11-22 22:50:18,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:18,175 INFO L225 Difference]: With dead ends: 81 [2024-11-22 22:50:18,175 INFO L226 Difference]: Without dead ends: 80 [2024-11-22 22:50:18,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:50:18,176 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 40 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:18,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 232 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:50:18,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-22 22:50:18,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 73. [2024-11-22 22:50:18,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 57 states have internal predecessors, (68), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-22 22:50:18,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 88 transitions. [2024-11-22 22:50:18,186 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 88 transitions. Word has length 45 [2024-11-22 22:50:18,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:18,187 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 88 transitions. [2024-11-22 22:50:18,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:50:18,187 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2024-11-22 22:50:18,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-22 22:50:18,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:18,188 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:18,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 22:50:18,189 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:18,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:18,189 INFO L85 PathProgramCache]: Analyzing trace with hash 659833163, now seen corresponding path program 1 times [2024-11-22 22:50:18,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:18,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235112730] [2024-11-22 22:50:18,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:18,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:18,290 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:50:18,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:18,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235112730] [2024-11-22 22:50:18,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235112730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:18,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:18,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 22:50:18,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589226684] [2024-11-22 22:50:18,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:18,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:50:18,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:18,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:50:18,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:50:18,292 INFO L87 Difference]: Start difference. First operand 73 states and 88 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:50:18,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:18,455 INFO L93 Difference]: Finished difference Result 115 states and 139 transitions. [2024-11-22 22:50:18,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:50:18,455 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 46 [2024-11-22 22:50:18,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:18,456 INFO L225 Difference]: With dead ends: 115 [2024-11-22 22:50:18,457 INFO L226 Difference]: Without dead ends: 87 [2024-11-22 22:50:18,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:50:18,458 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 33 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:18,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 186 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:50:18,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-22 22:50:18,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2024-11-22 22:50:18,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 65 states have internal predecessors, (77), 11 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-22 22:50:18,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 99 transitions. [2024-11-22 22:50:18,473 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 99 transitions. Word has length 46 [2024-11-22 22:50:18,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:18,474 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 99 transitions. [2024-11-22 22:50:18,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:50:18,474 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2024-11-22 22:50:18,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-22 22:50:18,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:18,476 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:18,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 22:50:18,477 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:18,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:18,478 INFO L85 PathProgramCache]: Analyzing trace with hash 659870899, now seen corresponding path program 1 times [2024-11-22 22:50:18,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:18,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884479269] [2024-11-22 22:50:18,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:18,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:18,634 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:50:18,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:18,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884479269] [2024-11-22 22:50:18,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884479269] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:18,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560580389] [2024-11-22 22:50:18,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:18,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:18,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:18,639 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:50:18,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 22:50:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:18,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:50:18,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:18,787 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:18,787 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:18,892 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:50:18,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560580389] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:18,893 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:18,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 18 [2024-11-22 22:50:18,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347281370] [2024-11-22 22:50:18,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:18,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-22 22:50:18,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:18,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-22 22:50:18,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:50:18,895 INFO L87 Difference]: Start difference. First operand 83 states and 99 transitions. Second operand has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-22 22:50:19,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:19,436 INFO L93 Difference]: Finished difference Result 233 states and 283 transitions. [2024-11-22 22:50:19,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-22 22:50:19,436 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 46 [2024-11-22 22:50:19,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:19,448 INFO L225 Difference]: With dead ends: 233 [2024-11-22 22:50:19,448 INFO L226 Difference]: Without dead ends: 195 [2024-11-22 22:50:19,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=263, Invalid=667, Unknown=0, NotChecked=0, Total=930 [2024-11-22 22:50:19,450 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 114 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:19,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 289 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:50:19,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-22 22:50:19,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 163. [2024-11-22 22:50:19,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 125 states have (on average 1.272) internal successors, (159), 130 states have internal predecessors, (159), 18 states have call successors, (18), 14 states have call predecessors, (18), 14 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 22:50:19,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 195 transitions. [2024-11-22 22:50:19,466 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 195 transitions. Word has length 46 [2024-11-22 22:50:19,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:19,466 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 195 transitions. [2024-11-22 22:50:19,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-22 22:50:19,467 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 195 transitions. [2024-11-22 22:50:19,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-22 22:50:19,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:19,468 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:19,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 22:50:19,668 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,SelfDestructingSolverStorable6 [2024-11-22 22:50:19,669 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:19,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:19,673 INFO L85 PathProgramCache]: Analyzing trace with hash 158655662, now seen corresponding path program 1 times [2024-11-22 22:50:19,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:19,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479237443] [2024-11-22 22:50:19,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:19,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:19,725 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:50:19,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:19,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479237443] [2024-11-22 22:50:19,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479237443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:19,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:19,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:50:19,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81735020] [2024-11-22 22:50:19,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:19,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:50:19,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:19,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:50:19,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:50:19,728 INFO L87 Difference]: Start difference. First operand 163 states and 195 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-22 22:50:19,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:19,815 INFO L93 Difference]: Finished difference Result 270 states and 329 transitions. [2024-11-22 22:50:19,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:50:19,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 55 [2024-11-22 22:50:19,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:19,817 INFO L225 Difference]: With dead ends: 270 [2024-11-22 22:50:19,818 INFO L226 Difference]: Without dead ends: 205 [2024-11-22 22:50:19,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:50:19,819 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 32 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:19,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 173 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:50:19,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-22 22:50:19,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 183. [2024-11-22 22:50:19,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 141 states have (on average 1.2907801418439717) internal successors, (182), 146 states have internal predecessors, (182), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:50:19,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 226 transitions. [2024-11-22 22:50:19,837 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 226 transitions. Word has length 55 [2024-11-22 22:50:19,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:19,837 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 226 transitions. [2024-11-22 22:50:19,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-22 22:50:19,837 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 226 transitions. [2024-11-22 22:50:19,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-22 22:50:19,838 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:19,838 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:19,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 22:50:19,838 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:19,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:19,838 INFO L85 PathProgramCache]: Analyzing trace with hash 623459560, now seen corresponding path program 1 times [2024-11-22 22:50:19,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:19,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67163273] [2024-11-22 22:50:19,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:19,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:19,966 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:50:19,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:19,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67163273] [2024-11-22 22:50:19,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67163273] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:19,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525832240] [2024-11-22 22:50:19,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:19,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:19,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:19,969 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:50:19,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 22:50:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:20,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:50:20,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:20,119 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:20,119 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:20,371 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:50:20,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525832240] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:20,372 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:20,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2024-11-22 22:50:20,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766585335] [2024-11-22 22:50:20,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:20,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-22 22:50:20,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:20,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-22 22:50:20,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2024-11-22 22:50:20,377 INFO L87 Difference]: Start difference. First operand 183 states and 226 transitions. Second operand has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2024-11-22 22:50:21,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:21,402 INFO L93 Difference]: Finished difference Result 379 states and 473 transitions. [2024-11-22 22:50:21,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-22 22:50:21,405 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) Word has length 56 [2024-11-22 22:50:21,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:21,407 INFO L225 Difference]: With dead ends: 379 [2024-11-22 22:50:21,407 INFO L226 Difference]: Without dead ends: 296 [2024-11-22 22:50:21,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=507, Invalid=1943, Unknown=0, NotChecked=0, Total=2450 [2024-11-22 22:50:21,409 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 176 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:21,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 325 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:50:21,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-22 22:50:21,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 263. [2024-11-22 22:50:21,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 206 states have (on average 1.2766990291262137) internal successors, (263), 211 states have internal predecessors, (263), 29 states have call successors, (29), 22 states have call predecessors, (29), 22 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-22 22:50:21,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 321 transitions. [2024-11-22 22:50:21,452 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 321 transitions. Word has length 56 [2024-11-22 22:50:21,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:21,452 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 321 transitions. [2024-11-22 22:50:21,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2024-11-22 22:50:21,453 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 321 transitions. [2024-11-22 22:50:21,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-22 22:50:21,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:21,459 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:21,470 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 22:50:21,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:21,660 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:21,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:21,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1120569571, now seen corresponding path program 1 times [2024-11-22 22:50:21,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:21,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707221924] [2024-11-22 22:50:21,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:21,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:21,779 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:50:21,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:21,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707221924] [2024-11-22 22:50:21,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707221924] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:21,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220185618] [2024-11-22 22:50:21,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:21,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:21,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:21,782 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:50:21,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 22:50:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:21,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:50:21,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:21,882 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:21,882 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:22,000 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:50:22,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220185618] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:22,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:22,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 21 [2024-11-22 22:50:22,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004377726] [2024-11-22 22:50:22,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:22,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-22 22:50:22,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:22,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-22 22:50:22,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2024-11-22 22:50:22,002 INFO L87 Difference]: Start difference. First operand 263 states and 321 transitions. Second operand has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2024-11-22 22:50:22,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:22,699 INFO L93 Difference]: Finished difference Result 471 states and 581 transitions. [2024-11-22 22:50:22,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-22 22:50:22,701 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) Word has length 59 [2024-11-22 22:50:22,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:22,703 INFO L225 Difference]: With dead ends: 471 [2024-11-22 22:50:22,703 INFO L226 Difference]: Without dead ends: 332 [2024-11-22 22:50:22,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=299, Invalid=1183, Unknown=0, NotChecked=0, Total=1482 [2024-11-22 22:50:22,705 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 118 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:22,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 313 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:50:22,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-22 22:50:22,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 323. [2024-11-22 22:50:22,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 258 states have (on average 1.244186046511628) internal successors, (321), 263 states have internal predecessors, (321), 33 states have call successors, (33), 26 states have call predecessors, (33), 26 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-22 22:50:22,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 387 transitions. [2024-11-22 22:50:22,718 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 387 transitions. Word has length 59 [2024-11-22 22:50:22,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:22,718 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 387 transitions. [2024-11-22 22:50:22,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2024-11-22 22:50:22,718 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 387 transitions. [2024-11-22 22:50:22,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-22 22:50:22,719 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:22,719 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:22,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 22:50:22,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:22,924 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:22,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:22,925 INFO L85 PathProgramCache]: Analyzing trace with hash 756328881, now seen corresponding path program 1 times [2024-11-22 22:50:22,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:22,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097735846] [2024-11-22 22:50:22,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:22,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:23,129 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 22:50:23,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:23,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097735846] [2024-11-22 22:50:23,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097735846] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:23,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353953898] [2024-11-22 22:50:23,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:23,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:23,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:23,148 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:50:23,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 22:50:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:23,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:50:23,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:23,312 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:23,312 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:50:23,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353953898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:23,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:50:23,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 21 [2024-11-22 22:50:23,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759855343] [2024-11-22 22:50:23,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:23,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:50:23,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:23,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:50:23,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:50:23,314 INFO L87 Difference]: Start difference. First operand 323 states and 387 transitions. Second operand has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-22 22:50:23,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:23,587 INFO L93 Difference]: Finished difference Result 391 states and 469 transitions. [2024-11-22 22:50:23,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 22:50:23,588 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 65 [2024-11-22 22:50:23,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:23,589 INFO L225 Difference]: With dead ends: 391 [2024-11-22 22:50:23,589 INFO L226 Difference]: Without dead ends: 388 [2024-11-22 22:50:23,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=824, Unknown=0, NotChecked=0, Total=992 [2024-11-22 22:50:23,590 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 59 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:23,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 141 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:50:23,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-22 22:50:23,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 293. [2024-11-22 22:50:23,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 234 states have (on average 1.1623931623931625) internal successors, (272), 237 states have internal predecessors, (272), 31 states have call successors, (31), 25 states have call predecessors, (31), 25 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-22 22:50:23,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 334 transitions. [2024-11-22 22:50:23,609 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 334 transitions. Word has length 65 [2024-11-22 22:50:23,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:23,610 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 334 transitions. [2024-11-22 22:50:23,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-22 22:50:23,610 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 334 transitions. [2024-11-22 22:50:23,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-22 22:50:23,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:23,611 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:23,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 22:50:23,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-22 22:50:23,812 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:23,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:23,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1971358877, now seen corresponding path program 1 times [2024-11-22 22:50:23,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:23,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925924958] [2024-11-22 22:50:23,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:23,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:23,962 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 22:50:23,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:23,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925924958] [2024-11-22 22:50:23,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925924958] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:23,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736426351] [2024-11-22 22:50:23,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:23,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:23,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:23,968 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:50:23,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 22:50:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:24,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:50:24,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:24,131 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:24,131 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:24,297 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 22:50:24,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736426351] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:24,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:24,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 30 [2024-11-22 22:50:24,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751174531] [2024-11-22 22:50:24,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:24,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-22 22:50:24,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:24,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-22 22:50:24,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=740, Unknown=0, NotChecked=0, Total=930 [2024-11-22 22:50:24,300 INFO L87 Difference]: Start difference. First operand 293 states and 334 transitions. Second operand has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) [2024-11-22 22:50:25,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:25,285 INFO L93 Difference]: Finished difference Result 332 states and 381 transitions. [2024-11-22 22:50:25,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-22 22:50:25,286 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) Word has length 66 [2024-11-22 22:50:25,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:25,288 INFO L225 Difference]: With dead ends: 332 [2024-11-22 22:50:25,289 INFO L226 Difference]: Without dead ends: 331 [2024-11-22 22:50:25,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 733 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=715, Invalid=2945, Unknown=0, NotChecked=0, Total=3660 [2024-11-22 22:50:25,291 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 184 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:25,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 351 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:50:25,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-11-22 22:50:25,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 306. [2024-11-22 22:50:25,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 245 states have (on average 1.1591836734693877) internal successors, (284), 248 states have internal predecessors, (284), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-22 22:50:25,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 348 transitions. [2024-11-22 22:50:25,309 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 348 transitions. Word has length 66 [2024-11-22 22:50:25,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:25,310 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 348 transitions. [2024-11-22 22:50:25,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) [2024-11-22 22:50:25,310 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 348 transitions. [2024-11-22 22:50:25,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-22 22:50:25,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:25,312 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:25,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-22 22:50:25,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:25,513 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:25,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:25,514 INFO L85 PathProgramCache]: Analyzing trace with hash 538003313, now seen corresponding path program 1 times [2024-11-22 22:50:25,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:25,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161758417] [2024-11-22 22:50:25,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:25,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:25,707 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:50:25,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:25,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161758417] [2024-11-22 22:50:25,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161758417] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:25,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943772255] [2024-11-22 22:50:25,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:25,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:25,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:25,709 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:50:25,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 22:50:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:25,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 22:50:25,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:25,852 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:25,852 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:26,023 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:50:26,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943772255] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:26,024 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:26,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 26 [2024-11-22 22:50:26,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675588833] [2024-11-22 22:50:26,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:26,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-22 22:50:26,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:26,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-22 22:50:26,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=495, Unknown=0, NotChecked=0, Total=650 [2024-11-22 22:50:26,026 INFO L87 Difference]: Start difference. First operand 306 states and 348 transitions. Second operand has 26 states, 26 states have (on average 3.6923076923076925) internal successors, (96), 26 states have internal predecessors, (96), 11 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) [2024-11-22 22:50:26,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:26,526 INFO L93 Difference]: Finished difference Result 528 states and 611 transitions. [2024-11-22 22:50:26,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-22 22:50:26,526 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.6923076923076925) internal successors, (96), 26 states have internal predecessors, (96), 11 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) Word has length 80 [2024-11-22 22:50:26,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:26,528 INFO L225 Difference]: With dead ends: 528 [2024-11-22 22:50:26,528 INFO L226 Difference]: Without dead ends: 369 [2024-11-22 22:50:26,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 146 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=512, Invalid=1380, Unknown=0, NotChecked=0, Total=1892 [2024-11-22 22:50:26,530 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 131 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:26,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 310 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:50:26,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-22 22:50:26,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 350. [2024-11-22 22:50:26,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 281 states have (on average 1.1530249110320285) internal successors, (324), 284 states have internal predecessors, (324), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-22 22:50:26,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 396 transitions. [2024-11-22 22:50:26,545 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 396 transitions. Word has length 80 [2024-11-22 22:50:26,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:26,546 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 396 transitions. [2024-11-22 22:50:26,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.6923076923076925) internal successors, (96), 26 states have internal predecessors, (96), 11 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) [2024-11-22 22:50:26,546 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 396 transitions. [2024-11-22 22:50:26,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-22 22:50:26,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:26,547 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:26,557 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-22 22:50:26,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:26,752 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:26,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:26,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1210229917, now seen corresponding path program 1 times [2024-11-22 22:50:26,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:26,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210835888] [2024-11-22 22:50:26,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:26,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:26,972 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:50:26,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:26,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210835888] [2024-11-22 22:50:26,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210835888] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:26,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718360966] [2024-11-22 22:50:26,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:26,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:26,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:26,974 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:50:26,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 22:50:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:27,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-22 22:50:27,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:27,232 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:27,233 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:27,516 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:50:27,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718360966] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:27,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:27,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 42 [2024-11-22 22:50:27,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241199110] [2024-11-22 22:50:27,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:27,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-22 22:50:27,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:27,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-22 22:50:27,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=1444, Unknown=0, NotChecked=0, Total=1806 [2024-11-22 22:50:27,519 INFO L87 Difference]: Start difference. First operand 350 states and 396 transitions. Second operand has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-22 22:50:29,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:29,219 INFO L93 Difference]: Finished difference Result 766 states and 895 transitions. [2024-11-22 22:50:29,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-11-22 22:50:29,219 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) Word has length 86 [2024-11-22 22:50:29,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:29,222 INFO L225 Difference]: With dead ends: 766 [2024-11-22 22:50:29,222 INFO L226 Difference]: Without dead ends: 607 [2024-11-22 22:50:29,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2133 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1770, Invalid=7350, Unknown=0, NotChecked=0, Total=9120 [2024-11-22 22:50:29,225 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 399 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:29,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 424 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-22 22:50:29,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2024-11-22 22:50:29,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 546. [2024-11-22 22:50:29,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 437 states have (on average 1.1762013729977117) internal successors, (514), 440 states have internal predecessors, (514), 56 states have call successors, (56), 50 states have call predecessors, (56), 50 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-22 22:50:29,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 626 transitions. [2024-11-22 22:50:29,256 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 626 transitions. Word has length 86 [2024-11-22 22:50:29,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:29,257 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 626 transitions. [2024-11-22 22:50:29,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-22 22:50:29,257 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 626 transitions. [2024-11-22 22:50:29,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-22 22:50:29,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:29,258 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:29,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-22 22:50:29,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-22 22:50:29,463 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:29,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:29,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1194963981, now seen corresponding path program 1 times [2024-11-22 22:50:29,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:29,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141718584] [2024-11-22 22:50:29,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:29,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:29,705 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:50:29,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:29,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141718584] [2024-11-22 22:50:29,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141718584] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:29,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626186893] [2024-11-22 22:50:29,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:29,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:29,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:29,712 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:50:29,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-22 22:50:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:29,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-22 22:50:29,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:29,965 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 3 proven. 96 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:29,966 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:30,251 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:50:30,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626186893] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:30,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:30,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 42 [2024-11-22 22:50:30,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628810215] [2024-11-22 22:50:30,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:30,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-22 22:50:30,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:30,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-22 22:50:30,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=1438, Unknown=0, NotChecked=0, Total=1806 [2024-11-22 22:50:30,254 INFO L87 Difference]: Start difference. First operand 546 states and 626 transitions. Second operand has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-22 22:50:31,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:31,960 INFO L93 Difference]: Finished difference Result 716 states and 824 transitions. [2024-11-22 22:50:31,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-22 22:50:31,961 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) Word has length 86 [2024-11-22 22:50:31,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:31,963 INFO L225 Difference]: With dead ends: 716 [2024-11-22 22:50:31,964 INFO L226 Difference]: Without dead ends: 713 [2024-11-22 22:50:31,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1845 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1656, Invalid=6716, Unknown=0, NotChecked=0, Total=8372 [2024-11-22 22:50:31,966 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 275 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:31,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 516 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-22 22:50:31,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2024-11-22 22:50:32,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 608. [2024-11-22 22:50:32,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 485 states have (on average 1.1835051546391753) internal successors, (574), 488 states have internal predecessors, (574), 63 states have call successors, (63), 57 states have call predecessors, (63), 57 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-22 22:50:32,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 700 transitions. [2024-11-22 22:50:32,004 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 700 transitions. Word has length 86 [2024-11-22 22:50:32,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:32,005 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 700 transitions. [2024-11-22 22:50:32,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-22 22:50:32,005 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 700 transitions. [2024-11-22 22:50:32,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-22 22:50:32,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:32,007 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:32,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-22 22:50:32,207 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,SelfDestructingSolverStorable14 [2024-11-22 22:50:32,208 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:32,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:32,208 INFO L85 PathProgramCache]: Analyzing trace with hash 13994911, now seen corresponding path program 1 times [2024-11-22 22:50:32,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:32,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085876302] [2024-11-22 22:50:32,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:32,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:32,457 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 58 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-22 22:50:32,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:32,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085876302] [2024-11-22 22:50:32,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085876302] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:32,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418164489] [2024-11-22 22:50:32,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:32,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:32,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:32,459 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:50:32,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-22 22:50:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:32,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:50:32,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:32,614 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 142 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:32,615 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:32,811 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 58 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-22 22:50:32,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418164489] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:32,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:32,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 18] total 28 [2024-11-22 22:50:32,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201640522] [2024-11-22 22:50:32,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:32,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-22 22:50:32,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:32,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-22 22:50:32,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=606, Unknown=0, NotChecked=0, Total=756 [2024-11-22 22:50:32,815 INFO L87 Difference]: Start difference. First operand 608 states and 700 transitions. Second operand has 28 states, 28 states have (on average 4.0) internal successors, (112), 28 states have internal predecessors, (112), 11 states have call successors, (31), 9 states have call predecessors, (31), 9 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-22 22:50:33,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:33,426 INFO L93 Difference]: Finished difference Result 988 states and 1148 transitions. [2024-11-22 22:50:33,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-22 22:50:33,426 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.0) internal successors, (112), 28 states have internal predecessors, (112), 11 states have call successors, (31), 9 states have call predecessors, (31), 9 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) Word has length 100 [2024-11-22 22:50:33,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:33,429 INFO L225 Difference]: With dead ends: 988 [2024-11-22 22:50:33,429 INFO L226 Difference]: Without dead ends: 699 [2024-11-22 22:50:33,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 182 SyntacticMatches, 9 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=525, Invalid=2025, Unknown=0, NotChecked=0, Total=2550 [2024-11-22 22:50:33,430 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 142 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:33,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 331 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:50:33,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2024-11-22 22:50:33,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 670. [2024-11-22 22:50:33,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 537 states have (on average 1.1638733705772812) internal successors, (625), 540 states have internal predecessors, (625), 68 states have call successors, (68), 62 states have call predecessors, (68), 62 states have return successors, (68), 67 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-22 22:50:33,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 761 transitions. [2024-11-22 22:50:33,454 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 761 transitions. Word has length 100 [2024-11-22 22:50:33,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:33,454 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 761 transitions. [2024-11-22 22:50:33,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.0) internal successors, (112), 28 states have internal predecessors, (112), 11 states have call successors, (31), 9 states have call predecessors, (31), 9 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-22 22:50:33,455 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 761 transitions. [2024-11-22 22:50:33,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-22 22:50:33,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:33,456 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:33,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-22 22:50:33,660 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,SelfDestructingSolverStorable15 [2024-11-22 22:50:33,661 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:33,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:33,661 INFO L85 PathProgramCache]: Analyzing trace with hash 189309411, now seen corresponding path program 1 times [2024-11-22 22:50:33,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:33,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245648632] [2024-11-22 22:50:33,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:33,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:33,924 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-22 22:50:33,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:33,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245648632] [2024-11-22 22:50:33,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245648632] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:33,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968272399] [2024-11-22 22:50:33,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:33,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:33,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:33,928 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:50:33,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-22 22:50:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:33,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-22 22:50:33,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:34,294 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 3 proven. 178 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:34,294 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:34,716 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 3 proven. 66 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-22 22:50:34,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968272399] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:34,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:34,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 18] total 54 [2024-11-22 22:50:34,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453850139] [2024-11-22 22:50:34,717 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:34,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-22 22:50:34,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:34,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-22 22:50:34,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=582, Invalid=2388, Unknown=0, NotChecked=0, Total=2970 [2024-11-22 22:50:34,720 INFO L87 Difference]: Start difference. First operand 670 states and 761 transitions. Second operand has 55 states, 54 states have (on average 3.0185185185185186) internal successors, (163), 55 states have internal predecessors, (163), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) [2024-11-22 22:50:37,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:37,006 INFO L93 Difference]: Finished difference Result 952 states and 1096 transitions. [2024-11-22 22:50:37,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-11-22 22:50:37,006 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 54 states have (on average 3.0185185185185186) internal successors, (163), 55 states have internal predecessors, (163), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) Word has length 106 [2024-11-22 22:50:37,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:37,009 INFO L225 Difference]: With dead ends: 952 [2024-11-22 22:50:37,009 INFO L226 Difference]: Without dead ends: 950 [2024-11-22 22:50:37,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3619 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=2860, Invalid=11902, Unknown=0, NotChecked=0, Total=14762 [2024-11-22 22:50:37,013 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 412 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:37,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 521 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-22 22:50:37,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2024-11-22 22:50:37,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 699. [2024-11-22 22:50:37,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 560 states have (on average 1.175) internal successors, (658), 564 states have internal predecessors, (658), 71 states have call successors, (71), 65 states have call predecessors, (71), 65 states have return successors, (71), 69 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-22 22:50:37,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 800 transitions. [2024-11-22 22:50:37,041 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 800 transitions. Word has length 106 [2024-11-22 22:50:37,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:37,041 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 800 transitions. [2024-11-22 22:50:37,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 3.0185185185185186) internal successors, (163), 55 states have internal predecessors, (163), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) [2024-11-22 22:50:37,042 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 800 transitions. [2024-11-22 22:50:37,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-22 22:50:37,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:37,043 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:37,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-22 22:50:37,244 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,SelfDestructingSolverStorable16 [2024-11-22 22:50:37,244 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:37,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:37,245 INFO L85 PathProgramCache]: Analyzing trace with hash -468071920, now seen corresponding path program 2 times [2024-11-22 22:50:37,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:37,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575978469] [2024-11-22 22:50:37,245 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:50:37,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:37,272 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:50:37,274 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:50:37,702 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 143 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-22 22:50:37,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:37,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575978469] [2024-11-22 22:50:37,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575978469] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:37,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516523298] [2024-11-22 22:50:37,702 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:50:37,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:37,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:37,705 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:50:37,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-22 22:50:37,759 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:50:37,759 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:50:37,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-22 22:50:37,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:38,202 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 3 proven. 320 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:38,203 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:38,884 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 3 proven. 140 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-22 22:50:38,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516523298] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:38,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:38,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24, 24] total 70 [2024-11-22 22:50:38,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295548302] [2024-11-22 22:50:38,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:38,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-11-22 22:50:38,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:38,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-11-22 22:50:38,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=947, Invalid=4023, Unknown=0, NotChecked=0, Total=4970 [2024-11-22 22:50:38,888 INFO L87 Difference]: Start difference. First operand 699 states and 800 transitions. Second operand has 71 states, 70 states have (on average 3.0142857142857142) internal successors, (211), 71 states have internal predecessors, (211), 31 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 31 states have call predecessors, (38), 31 states have call successors, (38) [2024-11-22 22:50:42,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:42,217 INFO L93 Difference]: Finished difference Result 1586 states and 1870 transitions. [2024-11-22 22:50:42,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-11-22 22:50:42,218 INFO L78 Accepts]: Start accepts. Automaton has has 71 states, 70 states have (on average 3.0142857142857142) internal successors, (211), 71 states have internal predecessors, (211), 31 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 31 states have call predecessors, (38), 31 states have call successors, (38) Word has length 130 [2024-11-22 22:50:42,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:42,224 INFO L225 Difference]: With dead ends: 1586 [2024-11-22 22:50:42,224 INFO L226 Difference]: Without dead ends: 1228 [2024-11-22 22:50:42,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6790 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=5094, Invalid=21638, Unknown=0, NotChecked=0, Total=26732 [2024-11-22 22:50:42,228 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 837 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 837 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:42,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [837 Valid, 401 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-22 22:50:42,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2024-11-22 22:50:42,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 680. [2024-11-22 22:50:42,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 545 states have (on average 1.1706422018348623) internal successors, (638), 549 states have internal predecessors, (638), 69 states have call successors, (69), 63 states have call predecessors, (69), 63 states have return successors, (69), 67 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-22 22:50:42,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 776 transitions. [2024-11-22 22:50:42,263 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 776 transitions. Word has length 130 [2024-11-22 22:50:42,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:42,263 INFO L471 AbstractCegarLoop]: Abstraction has 680 states and 776 transitions. [2024-11-22 22:50:42,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 70 states have (on average 3.0142857142857142) internal successors, (211), 71 states have internal predecessors, (211), 31 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 31 states have call predecessors, (38), 31 states have call successors, (38) [2024-11-22 22:50:42,264 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 776 transitions. [2024-11-22 22:50:42,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-22 22:50:42,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:42,266 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 9, 9, 8, 8, 8, 8, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:42,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-22 22:50:42,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-22 22:50:42,471 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:42,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:42,472 INFO L85 PathProgramCache]: Analyzing trace with hash 726694381, now seen corresponding path program 1 times [2024-11-22 22:50:42,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:42,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024195842] [2024-11-22 22:50:42,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:42,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:42,796 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 78 proven. 42 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-11-22 22:50:42,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:42,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024195842] [2024-11-22 22:50:42,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024195842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:42,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627106263] [2024-11-22 22:50:42,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:42,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:42,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:42,798 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:50:42,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-22 22:50:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:42,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:50:42,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:42,979 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 246 proven. 126 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-22 22:50:42,979 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:43,227 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 78 proven. 42 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-11-22 22:50:43,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [627106263] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:43,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:43,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 18] total 30 [2024-11-22 22:50:43,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833505444] [2024-11-22 22:50:43,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:43,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-22 22:50:43,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:43,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-22 22:50:43,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=707, Unknown=0, NotChecked=0, Total=870 [2024-11-22 22:50:43,230 INFO L87 Difference]: Start difference. First operand 680 states and 776 transitions. Second operand has 30 states, 30 states have (on average 4.266666666666667) internal successors, (128), 30 states have internal predecessors, (128), 12 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 12 states have call predecessors, (35), 12 states have call successors, (35) [2024-11-22 22:50:43,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:43,963 INFO L93 Difference]: Finished difference Result 1173 states and 1352 transitions. [2024-11-22 22:50:43,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-22 22:50:43,963 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 4.266666666666667) internal successors, (128), 30 states have internal predecessors, (128), 12 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 12 states have call predecessors, (35), 12 states have call successors, (35) Word has length 160 [2024-11-22 22:50:43,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:43,966 INFO L225 Difference]: With dead ends: 1173 [2024-11-22 22:50:43,966 INFO L226 Difference]: Without dead ends: 828 [2024-11-22 22:50:43,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 302 SyntacticMatches, 7 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 946 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=595, Invalid=2711, Unknown=0, NotChecked=0, Total=3306 [2024-11-22 22:50:43,968 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 155 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:43,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 420 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:50:43,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2024-11-22 22:50:43,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 798. [2024-11-22 22:50:43,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 641 states have (on average 1.1591263650546022) internal successors, (743), 645 states have internal predecessors, (743), 80 states have call successors, (80), 74 states have call predecessors, (80), 74 states have return successors, (80), 78 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-22 22:50:44,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 903 transitions. [2024-11-22 22:50:44,000 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 903 transitions. Word has length 160 [2024-11-22 22:50:44,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:44,001 INFO L471 AbstractCegarLoop]: Abstraction has 798 states and 903 transitions. [2024-11-22 22:50:44,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.266666666666667) internal successors, (128), 30 states have internal predecessors, (128), 12 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 12 states have call predecessors, (35), 12 states have call successors, (35) [2024-11-22 22:50:44,001 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 903 transitions. [2024-11-22 22:50:44,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-22 22:50:44,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:44,003 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 8, 8, 8, 8, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:44,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-22 22:50:44,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:44,208 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:44,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:44,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1330421123, now seen corresponding path program 1 times [2024-11-22 22:50:44,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:44,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409415065] [2024-11-22 22:50:44,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:44,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:44,309 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 78 proven. 6 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2024-11-22 22:50:44,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:44,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409415065] [2024-11-22 22:50:44,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409415065] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:44,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298672125] [2024-11-22 22:50:44,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:44,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:44,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:44,313 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:50:44,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-22 22:50:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:44,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-22 22:50:44,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:44,713 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 537 proven. 4 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-22 22:50:44,713 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:44,997 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 197 proven. 4 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-11-22 22:50:44,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298672125] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:44,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:44,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 23, 24] total 29 [2024-11-22 22:50:44,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793727995] [2024-11-22 22:50:44,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:44,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-22 22:50:44,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:45,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-22 22:50:45,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=683, Unknown=0, NotChecked=0, Total=812 [2024-11-22 22:50:45,000 INFO L87 Difference]: Start difference. First operand 798 states and 903 transitions. Second operand has 29 states, 29 states have (on average 4.689655172413793) internal successors, (136), 29 states have internal predecessors, (136), 15 states have call successors, (39), 13 states have call predecessors, (39), 13 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) [2024-11-22 22:50:46,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:46,638 INFO L93 Difference]: Finished difference Result 1708 states and 1977 transitions. [2024-11-22 22:50:46,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-22 22:50:46,638 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 4.689655172413793) internal successors, (136), 29 states have internal predecessors, (136), 15 states have call successors, (39), 13 states have call predecessors, (39), 13 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) Word has length 166 [2024-11-22 22:50:46,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:46,643 INFO L225 Difference]: With dead ends: 1708 [2024-11-22 22:50:46,643 INFO L226 Difference]: Without dead ends: 1363 [2024-11-22 22:50:46,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 294 SyntacticMatches, 21 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2098 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1158, Invalid=5484, Unknown=0, NotChecked=0, Total=6642 [2024-11-22 22:50:46,647 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 152 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 1211 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:46,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 777 Invalid, 1231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1211 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-22 22:50:46,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2024-11-22 22:50:46,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1049. [2024-11-22 22:50:46,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1049 states, 845 states have (on average 1.17396449704142) internal successors, (992), 851 states have internal predecessors, (992), 105 states have call successors, (105), 96 states have call predecessors, (105), 96 states have return successors, (105), 101 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-22 22:50:46,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1202 transitions. [2024-11-22 22:50:46,721 INFO L78 Accepts]: Start accepts. Automaton has 1049 states and 1202 transitions. Word has length 166 [2024-11-22 22:50:46,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:46,721 INFO L471 AbstractCegarLoop]: Abstraction has 1049 states and 1202 transitions. [2024-11-22 22:50:46,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.689655172413793) internal successors, (136), 29 states have internal predecessors, (136), 15 states have call successors, (39), 13 states have call predecessors, (39), 13 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) [2024-11-22 22:50:46,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1202 transitions. [2024-11-22 22:50:46,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-22 22:50:46,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:46,724 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 8, 8, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:46,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-22 22:50:46,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:46,929 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:46,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:46,929 INFO L85 PathProgramCache]: Analyzing trace with hash 705838918, now seen corresponding path program 1 times [2024-11-22 22:50:46,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:46,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78129605] [2024-11-22 22:50:46,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:46,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:46,992 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2024-11-22 22:50:46,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:46,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78129605] [2024-11-22 22:50:46,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78129605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:46,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:46,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:50:46,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076252417] [2024-11-22 22:50:46,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:46,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:50:46,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:46,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:50:46,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:50:46,997 INFO L87 Difference]: Start difference. First operand 1049 states and 1202 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-22 22:50:47,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:47,110 INFO L93 Difference]: Finished difference Result 1744 states and 2049 transitions. [2024-11-22 22:50:47,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:50:47,111 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 170 [2024-11-22 22:50:47,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:47,115 INFO L225 Difference]: With dead ends: 1744 [2024-11-22 22:50:47,115 INFO L226 Difference]: Without dead ends: 1098 [2024-11-22 22:50:47,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:50:47,117 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 14 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:47,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 116 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:50:47,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2024-11-22 22:50:47,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1028. [2024-11-22 22:50:47,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1028 states, 829 states have (on average 1.180940892641737) internal successors, (979), 833 states have internal predecessors, (979), 105 states have call successors, (105), 91 states have call predecessors, (105), 91 states have return successors, (105), 103 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-22 22:50:47,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1189 transitions. [2024-11-22 22:50:47,167 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1189 transitions. Word has length 170 [2024-11-22 22:50:47,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:47,167 INFO L471 AbstractCegarLoop]: Abstraction has 1028 states and 1189 transitions. [2024-11-22 22:50:47,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-22 22:50:47,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1189 transitions. [2024-11-22 22:50:47,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-22 22:50:47,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:47,169 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 11, 11, 11, 10, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:47,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-22 22:50:47,169 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:47,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:47,169 INFO L85 PathProgramCache]: Analyzing trace with hash 946971836, now seen corresponding path program 3 times [2024-11-22 22:50:47,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:47,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503337761] [2024-11-22 22:50:47,169 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:50:47,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:47,183 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-22 22:50:47,183 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:50:47,328 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-11-22 22:50:47,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:47,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503337761] [2024-11-22 22:50:47,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503337761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:47,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:47,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 22:50:47,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810375896] [2024-11-22 22:50:47,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:47,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:50:47,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:47,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:50:47,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:50:47,330 INFO L87 Difference]: Start difference. First operand 1028 states and 1189 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 22:50:47,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:47,489 INFO L93 Difference]: Finished difference Result 1049 states and 1212 transitions. [2024-11-22 22:50:47,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:50:47,489 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 170 [2024-11-22 22:50:47,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:47,494 INFO L225 Difference]: With dead ends: 1049 [2024-11-22 22:50:47,494 INFO L226 Difference]: Without dead ends: 1045 [2024-11-22 22:50:47,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:50:47,495 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 39 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:47,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 161 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:50:47,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2024-11-22 22:50:47,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 782. [2024-11-22 22:50:47,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 782 states, 631 states have (on average 1.1759112519809827) internal successors, (742), 635 states have internal predecessors, (742), 79 states have call successors, (79), 69 states have call predecessors, (79), 69 states have return successors, (79), 77 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-22 22:50:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 900 transitions. [2024-11-22 22:50:47,538 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 900 transitions. Word has length 170 [2024-11-22 22:50:47,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:47,539 INFO L471 AbstractCegarLoop]: Abstraction has 782 states and 900 transitions. [2024-11-22 22:50:47,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 22:50:47,539 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 900 transitions. [2024-11-22 22:50:47,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-22 22:50:47,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:47,541 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 16, 16, 15, 15, 15, 15, 14, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:47,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-22 22:50:47,541 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:47,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:47,542 INFO L85 PathProgramCache]: Analyzing trace with hash -2132759550, now seen corresponding path program 1 times [2024-11-22 22:50:47,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:47,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32133498] [2024-11-22 22:50:47,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:47,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:47,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 162 proven. 6 refuted. 0 times theorem prover too weak. 1227 trivial. 0 not checked. [2024-11-22 22:50:47,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:47,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32133498] [2024-11-22 22:50:47,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32133498] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:47,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826230014] [2024-11-22 22:50:47,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:47,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:47,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:47,686 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:50:47,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-22 22:50:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:47,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-22 22:50:47,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:48,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 1013 proven. 6 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-11-22 22:50:48,124 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:48,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 473 proven. 6 refuted. 0 times theorem prover too weak. 916 trivial. 0 not checked. [2024-11-22 22:50:48,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826230014] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:48,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:48,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 23, 24] total 29 [2024-11-22 22:50:48,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077163543] [2024-11-22 22:50:48,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:48,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-22 22:50:48,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:48,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-22 22:50:48,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=677, Unknown=0, NotChecked=0, Total=812 [2024-11-22 22:50:48,467 INFO L87 Difference]: Start difference. First operand 782 states and 900 transitions. Second operand has 29 states, 29 states have (on average 4.689655172413793) internal successors, (136), 29 states have internal predecessors, (136), 15 states have call successors, (39), 13 states have call predecessors, (39), 13 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) [2024-11-22 22:50:49,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:49,832 INFO L93 Difference]: Finished difference Result 966 states and 1107 transitions. [2024-11-22 22:50:49,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-22 22:50:49,832 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 4.689655172413793) internal successors, (136), 29 states have internal predecessors, (136), 15 states have call successors, (39), 13 states have call predecessors, (39), 13 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) Word has length 216 [2024-11-22 22:50:49,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:49,834 INFO L225 Difference]: With dead ends: 966 [2024-11-22 22:50:49,834 INFO L226 Difference]: Without dead ends: 295 [2024-11-22 22:50:49,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 389 SyntacticMatches, 21 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1951 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1130, Invalid=4876, Unknown=0, NotChecked=0, Total=6006 [2024-11-22 22:50:49,836 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 168 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:49,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 848 Invalid, 964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-22 22:50:49,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-22 22:50:49,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 291. [2024-11-22 22:50:49,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 232 states have (on average 1.0905172413793103) internal successors, (253), 233 states have internal predecessors, (253), 30 states have call successors, (30), 27 states have call predecessors, (30), 27 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-22 22:50:49,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 313 transitions. [2024-11-22 22:50:49,865 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 313 transitions. Word has length 216 [2024-11-22 22:50:49,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:49,865 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 313 transitions. [2024-11-22 22:50:49,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.689655172413793) internal successors, (136), 29 states have internal predecessors, (136), 15 states have call successors, (39), 13 states have call predecessors, (39), 13 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) [2024-11-22 22:50:49,869 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 313 transitions. [2024-11-22 22:50:49,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-11-22 22:50:49,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:49,871 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:49,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-22 22:50:50,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:50,074 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:50,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:50,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1498579184, now seen corresponding path program 2 times [2024-11-22 22:50:50,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:50,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777799122] [2024-11-22 22:50:50,075 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:50:50,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:50,165 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:50:50,165 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:50:50,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2292 backedges. 254 proven. 7 refuted. 0 times theorem prover too weak. 2031 trivial. 0 not checked. [2024-11-22 22:50:50,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:50,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777799122] [2024-11-22 22:50:50,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777799122] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:50,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723809524] [2024-11-22 22:50:50,506 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:50:50,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:50,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:50,508 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:50:50,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-22 22:50:50,592 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:50:50,593 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:50:50,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-22 22:50:50,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:50,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2292 backedges. 1599 proven. 9 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-22 22:50:50,970 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:51,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2292 backedges. 939 proven. 9 refuted. 0 times theorem prover too weak. 1344 trivial. 0 not checked. [2024-11-22 22:50:51,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1723809524] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:51,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:51,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 23, 24] total 32 [2024-11-22 22:50:51,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439865429] [2024-11-22 22:50:51,345 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:51,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-22 22:50:51,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:51,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-22 22:50:51,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=822, Unknown=0, NotChecked=0, Total=992 [2024-11-22 22:50:51,346 INFO L87 Difference]: Start difference. First operand 291 states and 313 transitions. Second operand has 32 states, 32 states have (on average 4.25) internal successors, (136), 32 states have internal predecessors, (136), 15 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 15 states have call predecessors, (38), 15 states have call successors, (38) [2024-11-22 22:50:52,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:52,543 INFO L93 Difference]: Finished difference Result 490 states and 534 transitions. [2024-11-22 22:50:52,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-22 22:50:52,544 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 4.25) internal successors, (136), 32 states have internal predecessors, (136), 15 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 15 states have call predecessors, (38), 15 states have call successors, (38) Word has length 250 [2024-11-22 22:50:52,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:52,545 INFO L225 Difference]: With dead ends: 490 [2024-11-22 22:50:52,545 INFO L226 Difference]: Without dead ends: 304 [2024-11-22 22:50:52,546 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 543 GetRequests, 456 SyntacticMatches, 21 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1355 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=963, Invalid=3593, Unknown=0, NotChecked=0, Total=4556 [2024-11-22 22:50:52,547 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 94 mSDsluCounter, 960 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 1039 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:52,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 1039 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-22 22:50:52,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-22 22:50:52,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 300. [2024-11-22 22:50:52,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 240 states have (on average 1.0791666666666666) internal successors, (259), 240 states have internal predecessors, (259), 31 states have call successors, (31), 28 states have call predecessors, (31), 28 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-22 22:50:52,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 321 transitions. [2024-11-22 22:50:52,559 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 321 transitions. Word has length 250 [2024-11-22 22:50:52,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:52,560 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 321 transitions. [2024-11-22 22:50:52,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.25) internal successors, (136), 32 states have internal predecessors, (136), 15 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 15 states have call predecessors, (38), 15 states have call successors, (38) [2024-11-22 22:50:52,560 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 321 transitions. [2024-11-22 22:50:52,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-22 22:50:52,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:52,563 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 23, 23, 23, 23, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:52,572 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-22 22:50:52,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-22 22:50:52,767 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:52,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:52,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1566359084, now seen corresponding path program 1 times [2024-11-22 22:50:52,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:52,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931266822] [2024-11-22 22:50:52,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:52,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:52,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2946 backedges. 172 proven. 1 refuted. 0 times theorem prover too weak. 2773 trivial. 0 not checked. [2024-11-22 22:50:52,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:52,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931266822] [2024-11-22 22:50:52,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931266822] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:52,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263247691] [2024-11-22 22:50:52,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:52,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:52,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:52,987 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:50:52,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-22 22:50:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:53,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:50:53,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:53,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2946 backedges. 1477 proven. 0 refuted. 0 times theorem prover too weak. 1469 trivial. 0 not checked. [2024-11-22 22:50:53,143 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:50:53,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263247691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:53,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:50:53,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 14 [2024-11-22 22:50:53,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431820730] [2024-11-22 22:50:53,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:53,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:50:53,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:53,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:50:53,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:50:53,145 INFO L87 Difference]: Start difference. First operand 300 states and 321 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 22:50:53,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:53,194 INFO L93 Difference]: Finished difference Result 308 states and 330 transitions. [2024-11-22 22:50:53,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:50:53,194 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 292 [2024-11-22 22:50:53,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:53,195 INFO L225 Difference]: With dead ends: 308 [2024-11-22 22:50:53,195 INFO L226 Difference]: Without dead ends: 0 [2024-11-22 22:50:53,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:50:53,196 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 5 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:53,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 157 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:50:53,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-22 22:50:53,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-22 22:50:53,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:50:53,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-22 22:50:53,198 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 292 [2024-11-22 22:50:53,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:53,199 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-22 22:50:53,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 22:50:53,199 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-22 22:50:53,199 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-22 22:50:53,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-22 22:50:53,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-22 22:50:53,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-22 22:50:53,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-22 22:50:53,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-22 22:50:53,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-22 22:50:53,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-22 22:50:53,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:53,409 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:53,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.