/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/nla-digbench-scaling/hard-ll_valuebound2.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-16 05:10:07,872 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-12-16 05:10:07,907 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2023-12-16 05:10:07,910 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-12-16 05:10:07,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-16 05:10:07,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-16 05:10:07,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-16 05:10:07,925 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-16 05:10:07,925 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-16 05:10:07,925 INFO L153 SettingsManager]: * Use memory slicer=true
[2023-12-16 05:10:07,926 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-16 05:10:07,926 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-16 05:10:07,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-16 05:10:07,927 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-12-16 05:10:07,927 INFO L153 SettingsManager]: * Use SBE=true
[2023-12-16 05:10:07,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-16 05:10:07,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-12-16 05:10:07,928 INFO L153 SettingsManager]: * sizeof long=4
[2023-12-16 05:10:07,928 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-12-16 05:10:07,928 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-12-16 05:10:07,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-12-16 05:10:07,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-12-16 05:10:07,932 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-16 05:10:07,932 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-12-16 05:10:07,932 INFO L153 SettingsManager]: * Allow undefined functions=false
[2023-12-16 05:10:07,932 INFO L153 SettingsManager]: * sizeof long double=12
[2023-12-16 05:10:07,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-12-16 05:10:07,933 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-12-16 05:10:07,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-16 05:10:07,933 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-12-16 05:10:07,933 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-12-16 05:10:07,934 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-12-16 05:10:07,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 05:10:07,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-16 05:10:07,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-12-16 05:10:07,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-16 05:10:07,935 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-12-16 05:10:07,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-16 05:10:07,935 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-16 05:10:07,935 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-16 05:10:07,935 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-16 05:10:07,938 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-12-16 05:10:07,938 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-16 05:10:07,939 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false
[2023-12-16 05:10:08,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-16 05:10:08,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-16 05:10:08,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-16 05:10:08,132 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-12-16 05:10:08,132 INFO L274 PluginConnector]: CDTParser initialized
[2023-12-16 05:10:08,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/hard-ll_valuebound2.c
[2023-12-16 05:10:09,176 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-12-16 05:10:09,325 INFO L384 CDTParser]: Found 1 translation units.
[2023-12-16 05:10:09,326 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/hard-ll_valuebound2.c
[2023-12-16 05:10:09,332 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ce81b5ba/aeb7264c0e1040fcb20af29282479c3b/FLAGbbd31ea5b
[2023-12-16 05:10:09,346 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ce81b5ba/aeb7264c0e1040fcb20af29282479c3b
[2023-12-16 05:10:09,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-16 05:10:09,349 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-16 05:10:09,352 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-16 05:10:09,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-16 05:10:09,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-16 05:10:09,355 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:10:09" (1/1) ...
[2023-12-16 05:10:09,356 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43b33b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:10:09, skipping insertion in model container
[2023-12-16 05:10:09,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:10:09" (1/1) ...
[2023-12-16 05:10:09,372 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-12-16 05:10:09,473 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/hard-ll_valuebound2.c[538,551]
[2023-12-16 05:10:09,484 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-12-16 05:10:09,490 INFO L202 MainTranslator]: Completed pre-run
[2023-12-16 05:10:09,497 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/hard-ll_valuebound2.c[538,551]
[2023-12-16 05:10:09,503 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-12-16 05:10:09,511 INFO L206 MainTranslator]: Completed translation
[2023-12-16 05:10:09,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:10:09 WrapperNode
[2023-12-16 05:10:09,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-16 05:10:09,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-16 05:10:09,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-16 05:10:09,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-16 05:10:09,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:10:09" (1/1) ...
[2023-12-16 05:10:09,520 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:10:09" (1/1) ...
[2023-12-16 05:10:09,532 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56
[2023-12-16 05:10:09,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-16 05:10:09,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-16 05:10:09,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-16 05:10:09,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-12-16 05:10:09,538 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:10:09" (1/1) ...
[2023-12-16 05:10:09,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:10:09" (1/1) ...
[2023-12-16 05:10:09,540 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:10:09" (1/1) ...
[2023-12-16 05:10:09,546 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2023-12-16 05:10:09,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:10:09" (1/1) ...
[2023-12-16 05:10:09,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:10:09" (1/1) ...
[2023-12-16 05:10:09,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:10:09" (1/1) ...
[2023-12-16 05:10:09,550 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:10:09" (1/1) ...
[2023-12-16 05:10:09,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:10:09" (1/1) ...
[2023-12-16 05:10:09,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:10:09" (1/1) ...
[2023-12-16 05:10:09,552 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-16 05:10:09,553 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-16 05:10:09,553 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-12-16 05:10:09,553 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-12-16 05:10:09,554 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:10:09" (1/1) ...
[2023-12-16 05:10:09,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 05:10:09,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 05:10:09,585 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)
[2023-12-16 05:10:09,599 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
[2023-12-16 05:10:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-16 05:10:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-16 05:10:09,617 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-16 05:10:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-16 05:10:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-16 05:10:09,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-16 05:10:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2023-12-16 05:10:09,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2023-12-16 05:10:09,660 INFO L241 CfgBuilder]: Building ICFG
[2023-12-16 05:10:09,661 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-16 05:10:09,802 INFO L282 CfgBuilder]: Performing block encoding
[2023-12-16 05:10:09,816 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-16 05:10:09,816 INFO L309 CfgBuilder]: Removed 2 assume(true) statements.
[2023-12-16 05:10:09,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:10:09 BoogieIcfgContainer
[2023-12-16 05:10:09,817 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-16 05:10:09,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-16 05:10:09,818 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-12-16 05:10:09,820 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-12-16 05:10:09,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:10:09" (1/3) ...
[2023-12-16 05:10:09,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6953d983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:10:09, skipping insertion in model container
[2023-12-16 05:10:09,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:10:09" (2/3) ...
[2023-12-16 05:10:09,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6953d983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:10:09, skipping insertion in model container
[2023-12-16 05:10:09,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:10:09" (3/3) ...
[2023-12-16 05:10:09,822 INFO L112 eAbstractionObserver]: Analyzing ICFG hard-ll_valuebound2.c
[2023-12-16 05:10:09,833 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-16 05:10:09,834 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-16 05:10:09,861 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-16 05:10:09,865 INFO L357 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, mHoare=true, 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;@4fa1270f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-16 05:10:09,865 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-16 05:10:09,868 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 16 states have (on average 1.625) internal successors, (26), 17 states have internal predecessors, (26), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2023-12-16 05:10:09,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2023-12-16 05:10:09,872 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 05:10:09,873 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 05:10:09,873 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:10:09,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:10:09,876 INFO L85 PathProgramCache]: Analyzing trace with hash 760957734, now seen corresponding path program 1 times
[2023-12-16 05:10:09,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:10:09,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754208866]
[2023-12-16 05:10:09,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:10:09,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:10:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:10:09,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2023-12-16 05:10:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:10:09,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2023-12-16 05:10:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:10:09,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2023-12-16 05:10:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:10:09,993 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 05:10:09,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 05:10:09,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754208866]
[2023-12-16 05:10:09,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754208866] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 05:10:09,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 05:10:09,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-16 05:10:09,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211395188]
[2023-12-16 05:10:09,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 05:10:09,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-16 05:10:09,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 05:10:10,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-16 05:10:10,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-16 05:10:10,022 INFO L87 Difference]: Start difference. First operand has 30 states, 16 states have (on average 1.625) internal successors, (26), 17 states have internal predecessors, (26), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) 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, (3), 1 states have call predecessors, (3), 2 states have call successors, (3)
[2023-12-16 05:10:10,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 05:10:10,053 INFO L93 Difference]: Finished difference Result 58 states and 99 transitions.
[2023-12-16 05:10:10,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-12-16 05:10:10,055 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, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23
[2023-12-16 05:10:10,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 05:10:10,059 INFO L225 Difference]: With dead ends: 58
[2023-12-16 05:10:10,059 INFO L226 Difference]: Without dead ends: 28
[2023-12-16 05:10:10,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-16 05:10:10,065 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 05:10:10,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 05:10:10,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states.
[2023-12-16 05:10:10,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28.
[2023-12-16 05:10:10,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2023-12-16 05:10:10,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 38 transitions.
[2023-12-16 05:10:10,097 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 38 transitions. Word has length 23
[2023-12-16 05:10:10,097 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 05:10:10,097 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 38 transitions.
[2023-12-16 05:10:10,097 INFO L496 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, (3), 1 states have call predecessors, (3), 2 states have call successors, (3)
[2023-12-16 05:10:10,098 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions.
[2023-12-16 05:10:10,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2023-12-16 05:10:10,099 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 05:10:10,099 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 05:10:10,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-12-16 05:10:10,100 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:10:10,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:10:10,103 INFO L85 PathProgramCache]: Analyzing trace with hash -387749596, now seen corresponding path program 1 times
[2023-12-16 05:10:10,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:10:10,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77252800]
[2023-12-16 05:10:10,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:10:10,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:10:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:10:10,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2023-12-16 05:10:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:10:10,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2023-12-16 05:10:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:10:10,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2023-12-16 05:10:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:10:10,317 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 05:10:10,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 05:10:10,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77252800]
[2023-12-16 05:10:10,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77252800] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 05:10:10,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 05:10:10,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 05:10:10,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483896008]
[2023-12-16 05:10:10,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 05:10:10,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 05:10:10,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 05:10:10,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 05:10:10,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-12-16 05:10:10,319 INFO L87 Difference]: Start difference. First operand 28 states and 38 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 05:10:10,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 05:10:10,386 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions.
[2023-12-16 05:10:10,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-12-16 05:10:10,388 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23
[2023-12-16 05:10:10,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 05:10:10,396 INFO L225 Difference]: With dead ends: 41
[2023-12-16 05:10:10,396 INFO L226 Difference]: Without dead ends: 39
[2023-12-16 05:10:10,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-12-16 05:10:10,397 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 12 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 05:10:10,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 118 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 05:10:10,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states.
[2023-12-16 05:10:10,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 32.
[2023-12-16 05:10:10,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2023-12-16 05:10:10,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 41 transitions.
[2023-12-16 05:10:10,404 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 41 transitions. Word has length 23
[2023-12-16 05:10:10,404 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 05:10:10,405 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 41 transitions.
[2023-12-16 05:10:10,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 05:10:10,405 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions.
[2023-12-16 05:10:10,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2023-12-16 05:10:10,405 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 05:10:10,405 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 05:10:10,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-12-16 05:10:10,406 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:10:10,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:10:10,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1391236353, now seen corresponding path program 1 times
[2023-12-16 05:10:10,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:10:10,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853205209]
[2023-12-16 05:10:10,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:10:10,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:10:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:10:10,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2023-12-16 05:10:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:10:10,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2023-12-16 05:10:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:10:10,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2023-12-16 05:10:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:10:10,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2023-12-16 05:10:10,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:10:10,520 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 05:10:10,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 05:10:10,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853205209]
[2023-12-16 05:10:10,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853205209] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 05:10:10,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 05:10:10,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 05:10:10,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083717010]
[2023-12-16 05:10:10,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 05:10:10,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 05:10:10,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 05:10:10,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 05:10:10,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-12-16 05:10:10,527 INFO L87 Difference]: Start difference. First operand 32 states and 41 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2023-12-16 05:10:10,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 05:10:10,593 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions.
[2023-12-16 05:10:10,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-12-16 05:10:10,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28
[2023-12-16 05:10:10,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 05:10:10,594 INFO L225 Difference]: With dead ends: 45
[2023-12-16 05:10:10,594 INFO L226 Difference]: Without dead ends: 43
[2023-12-16 05:10:10,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-12-16 05:10:10,596 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 10 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-16 05:10:10,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 114 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-16 05:10:10,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states.
[2023-12-16 05:10:10,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 36.
[2023-12-16 05:10:10,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2023-12-16 05:10:10,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 44 transitions.
[2023-12-16 05:10:10,605 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 44 transitions. Word has length 28
[2023-12-16 05:10:10,605 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 05:10:10,605 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 44 transitions.
[2023-12-16 05:10:10,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2023-12-16 05:10:10,606 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions.
[2023-12-16 05:10:10,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2023-12-16 05:10:10,606 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 05:10:10,606 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 05:10:10,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-12-16 05:10:10,607 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:10:10,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:10:10,607 INFO L85 PathProgramCache]: Analyzing trace with hash 831418820, now seen corresponding path program 1 times
[2023-12-16 05:10:10,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:10:10,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850410587]
[2023-12-16 05:10:10,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:10:10,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:10:10,619 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-16 05:10:10,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [184792662]
[2023-12-16 05:10:10,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:10:10,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-16 05:10:10,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 05:10:10,638 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)
[2023-12-16 05:10:10,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-12-16 05:10:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:10:10,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 29 conjunts are in the unsatisfiable core
[2023-12-16 05:10:10,701 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 05:10:10,881 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-12-16 05:10:10,882 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-12-16 05:10:10,992 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2023-12-16 05:10:10,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 05:10:10,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850410587]
[2023-12-16 05:10:10,992 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-16 05:10:10,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184792662]
[2023-12-16 05:10:10,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184792662] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-16 05:10:10,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-16 05:10:10,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7] total 16
[2023-12-16 05:10:10,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384051496]
[2023-12-16 05:10:10,996 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-16 05:10:10,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2023-12-16 05:10:10,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 05:10:10,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2023-12-16 05:10:10,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240
[2023-12-16 05:10:10,999 INFO L87 Difference]: Start difference. First operand 36 states and 44 transitions. Second operand has 16 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 6 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9)
[2023-12-16 05:10:11,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 05:10:11,170 INFO L93 Difference]: Finished difference Result 71 states and 92 transitions.
[2023-12-16 05:10:11,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2023-12-16 05:10:11,170 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 6 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) Word has length 33
[2023-12-16 05:10:11,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 05:10:11,172 INFO L225 Difference]: With dead ends: 71
[2023-12-16 05:10:11,172 INFO L226 Difference]: Without dead ends: 56
[2023-12-16 05:10:11,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380
[2023-12-16 05:10:11,173 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 38 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-16 05:10:11,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 138 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-16 05:10:11,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2023-12-16 05:10:11,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55.
[2023-12-16 05:10:11,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 32 states have (on average 1.15625) internal successors, (37), 34 states have internal predecessors, (37), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15)
[2023-12-16 05:10:11,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions.
[2023-12-16 05:10:11,184 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 33
[2023-12-16 05:10:11,184 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 05:10:11,185 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions.
[2023-12-16 05:10:11,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 6 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9)
[2023-12-16 05:10:11,185 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions.
[2023-12-16 05:10:11,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2023-12-16 05:10:11,185 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 05:10:11,186 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 05:10:11,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2023-12-16 05:10:11,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-16 05:10:11,391 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:10:11,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:10:11,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1016562388, now seen corresponding path program 1 times
[2023-12-16 05:10:11,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:10:11,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072928858]
[2023-12-16 05:10:11,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:10:11,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:10:11,398 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-16 05:10:11,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1219115710]
[2023-12-16 05:10:11,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:10:11,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-16 05:10:11,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 05:10:11,403 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)
[2023-12-16 05:10:11,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-12-16 05:10:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:10:11,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 22 conjunts are in the unsatisfiable core
[2023-12-16 05:10:11,441 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 05:10:11,624 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2023-12-16 05:10:11,625 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 05:10:11,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 05:10:11,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072928858]
[2023-12-16 05:10:11,627 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-16 05:10:11,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219115710]
[2023-12-16 05:10:11,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219115710] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 05:10:11,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 05:10:11,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2023-12-16 05:10:11,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699396871]
[2023-12-16 05:10:11,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 05:10:11,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-12-16 05:10:11,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 05:10:11,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-12-16 05:10:11,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2023-12-16 05:10:11,629 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 7 states have internal predecessors, (18), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6)
[2023-12-16 05:10:11,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 05:10:11,752 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions.
[2023-12-16 05:10:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2023-12-16 05:10:11,753 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 7 states have internal predecessors, (18), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 40
[2023-12-16 05:10:11,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 05:10:11,756 INFO L225 Difference]: With dead ends: 66
[2023-12-16 05:10:11,758 INFO L226 Difference]: Without dead ends: 55
[2023-12-16 05:10:11,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156
[2023-12-16 05:10:11,759 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 31 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-16 05:10:11,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 120 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-16 05:10:11,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states.
[2023-12-16 05:10:11,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55.
[2023-12-16 05:10:11,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 33 states have (on average 1.121212121212121) internal successors, (37), 35 states have internal predecessors, (37), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13)
[2023-12-16 05:10:11,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 64 transitions.
[2023-12-16 05:10:11,769 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 64 transitions. Word has length 40
[2023-12-16 05:10:11,769 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 05:10:11,770 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 64 transitions.
[2023-12-16 05:10:11,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 7 states have internal predecessors, (18), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6)
[2023-12-16 05:10:11,770 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions.
[2023-12-16 05:10:11,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2023-12-16 05:10:11,771 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 05:10:11,771 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 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]
[2023-12-16 05:10:11,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2023-12-16 05:10:11,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-16 05:10:11,976 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:10:11,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:10:11,976 INFO L85 PathProgramCache]: Analyzing trace with hash 2057146835, now seen corresponding path program 1 times
[2023-12-16 05:10:11,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:10:11,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991155979]
[2023-12-16 05:10:11,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:10:11,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:10:11,983 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-16 05:10:11,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [467358019]
[2023-12-16 05:10:11,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:10:11,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-16 05:10:11,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 05:10:11,985 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)
[2023-12-16 05:10:12,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-12-16 05:10:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:10:12,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 24 conjunts are in the unsatisfiable core
[2023-12-16 05:10:12,026 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 05:10:12,267 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked.
[2023-12-16 05:10:12,267 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-12-16 05:10:12,433 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.
[2023-12-16 05:10:12,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 05:10:12,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991155979]
[2023-12-16 05:10:12,434 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-16 05:10:12,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467358019]
[2023-12-16 05:10:12,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467358019] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-16 05:10:12,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-16 05:10:12,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16
[2023-12-16 05:10:12,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531945113]
[2023-12-16 05:10:12,435 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-16 05:10:12,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2023-12-16 05:10:12,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 05:10:12,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2023-12-16 05:10:12,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240
[2023-12-16 05:10:12,439 INFO L87 Difference]: Start difference. First operand 55 states and 64 transitions. Second operand has 16 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 12 states have internal predecessors, (28), 8 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17)
[2023-12-16 05:10:12,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 05:10:12,748 INFO L93 Difference]: Finished difference Result 96 states and 120 transitions.
[2023-12-16 05:10:12,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2023-12-16 05:10:12,749 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 12 states have internal predecessors, (28), 8 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) Word has length 57
[2023-12-16 05:10:12,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 05:10:12,752 INFO L225 Difference]: With dead ends: 96
[2023-12-16 05:10:12,752 INFO L226 Difference]: Without dead ends: 92
[2023-12-16 05:10:12,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=360, Unknown=0, NotChecked=0, Total=462
[2023-12-16 05:10:12,754 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 40 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-16 05:10:12,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 302 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-16 05:10:12,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2023-12-16 05:10:12,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 85.
[2023-12-16 05:10:12,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 51 states have (on average 1.1568627450980393) internal successors, (59), 54 states have internal predecessors, (59), 23 states have call successors, (23), 10 states have call predecessors, (23), 10 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22)
[2023-12-16 05:10:12,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 104 transitions.
[2023-12-16 05:10:12,786 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 104 transitions. Word has length 57
[2023-12-16 05:10:12,787 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 05:10:12,787 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 104 transitions.
[2023-12-16 05:10:12,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 12 states have internal predecessors, (28), 8 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17)
[2023-12-16 05:10:12,787 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 104 transitions.
[2023-12-16 05:10:12,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2023-12-16 05:10:12,793 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 05:10:12,793 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 05:10:12,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-12-16 05:10:12,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-16 05:10:12,998 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:10:12,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:10:12,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1282123871, now seen corresponding path program 1 times
[2023-12-16 05:10:12,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:10:12,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677102678]
[2023-12-16 05:10:12,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:10:12,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:10:13,017 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-16 05:10:13,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [436082921]
[2023-12-16 05:10:13,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:10:13,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-16 05:10:13,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 05:10:13,019 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)
[2023-12-16 05:10:13,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-12-16 05:10:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:10:13,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 33 conjunts are in the unsatisfiable core
[2023-12-16 05:10:13,076 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 05:10:13,406 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked.
[2023-12-16 05:10:13,406 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-12-16 05:10:14,447 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked.
[2023-12-16 05:10:14,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 05:10:14,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677102678]
[2023-12-16 05:10:14,447 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-16 05:10:14,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436082921]
[2023-12-16 05:10:14,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436082921] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-16 05:10:14,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-16 05:10:14,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 19
[2023-12-16 05:10:14,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081399489]
[2023-12-16 05:10:14,447 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-16 05:10:14,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2023-12-16 05:10:14,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 05:10:14,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2023-12-16 05:10:14,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342
[2023-12-16 05:10:14,449 INFO L87 Difference]: Start difference. First operand 85 states and 104 transitions. Second operand has 19 states, 19 states have (on average 1.7894736842105263) internal successors, (34), 16 states have internal predecessors, (34), 9 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (20), 8 states have call predecessors, (20), 7 states have call successors, (20)
[2023-12-16 05:10:21,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 05:10:21,697 INFO L93 Difference]: Finished difference Result 148 states and 197 transitions.
[2023-12-16 05:10:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2023-12-16 05:10:21,697 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.7894736842105263) internal successors, (34), 16 states have internal predecessors, (34), 9 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (20), 8 states have call predecessors, (20), 7 states have call successors, (20) Word has length 70
[2023-12-16 05:10:21,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 05:10:21,699 INFO L225 Difference]: With dead ends: 148
[2023-12-16 05:10:21,699 INFO L226 Difference]: Without dead ends: 127
[2023-12-16 05:10:21,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=158, Invalid=654, Unknown=0, NotChecked=0, Total=812
[2023-12-16 05:10:21,700 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 79 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2023-12-16 05:10:21,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 287 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2023-12-16 05:10:21,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states.
[2023-12-16 05:10:21,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 99.
[2023-12-16 05:10:21,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 60 states have (on average 1.1833333333333333) internal successors, (71), 63 states have internal predecessors, (71), 27 states have call successors, (27), 11 states have call predecessors, (27), 11 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26)
[2023-12-16 05:10:21,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 124 transitions.
[2023-12-16 05:10:21,719 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 124 transitions. Word has length 70
[2023-12-16 05:10:21,727 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 05:10:21,728 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 124 transitions.
[2023-12-16 05:10:21,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.7894736842105263) internal successors, (34), 16 states have internal predecessors, (34), 9 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (20), 8 states have call predecessors, (20), 7 states have call successors, (20)
[2023-12-16 05:10:21,728 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 124 transitions.
[2023-12-16 05:10:21,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2023-12-16 05:10:21,728 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 05:10:21,729 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 05:10:21,737 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2023-12-16 05:10:21,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-16 05:10:21,933 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:10:21,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:10:21,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1411586487, now seen corresponding path program 1 times
[2023-12-16 05:10:21,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:10:21,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442418396]
[2023-12-16 05:10:21,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:10:21,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:10:21,953 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-16 05:10:21,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [989478642]
[2023-12-16 05:10:21,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:10:21,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-16 05:10:21,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 05:10:21,955 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)
[2023-12-16 05:10:21,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-12-16 05:10:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:10:21,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 25 conjunts are in the unsatisfiable core
[2023-12-16 05:10:22,001 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 05:10:22,190 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 26 proven. 9 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked.
[2023-12-16 05:10:22,190 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-12-16 05:10:22,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 05:10:22,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442418396]
[2023-12-16 05:10:22,330 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-16 05:10:22,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989478642]
[2023-12-16 05:10:22,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989478642] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-16 05:10:22,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2023-12-16 05:10:22,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12
[2023-12-16 05:10:22,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949836929]
[2023-12-16 05:10:22,330 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2023-12-16 05:10:22,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2023-12-16 05:10:22,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 05:10:22,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2023-12-16 05:10:22,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272
[2023-12-16 05:10:22,331 INFO L87 Difference]: Start difference. First operand 99 states and 124 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 10 states have internal predecessors, (24), 6 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13)
[2023-12-16 05:10:22,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 05:10:22,689 INFO L93 Difference]: Finished difference Result 113 states and 141 transitions.
[2023-12-16 05:10:22,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2023-12-16 05:10:22,689 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 10 states have internal predecessors, (24), 6 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) Word has length 81
[2023-12-16 05:10:22,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 05:10:22,690 INFO L225 Difference]: With dead ends: 113
[2023-12-16 05:10:22,690 INFO L226 Difference]: Without dead ends: 104
[2023-12-16 05:10:22,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=494, Unknown=0, NotChecked=0, Total=600
[2023-12-16 05:10:22,691 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 35 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-16 05:10:22,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 328 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-16 05:10:22,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states.
[2023-12-16 05:10:22,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104.
[2023-12-16 05:10:22,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 63 states have (on average 1.1428571428571428) internal successors, (72), 65 states have internal predecessors, (72), 29 states have call successors, (29), 11 states have call predecessors, (29), 11 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28)
[2023-12-16 05:10:22,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 129 transitions.
[2023-12-16 05:10:22,712 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 129 transitions. Word has length 81
[2023-12-16 05:10:22,712 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 05:10:22,712 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 129 transitions.
[2023-12-16 05:10:22,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 10 states have internal predecessors, (24), 6 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13)
[2023-12-16 05:10:22,712 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 129 transitions.
[2023-12-16 05:10:22,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2023-12-16 05:10:22,713 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 05:10:22,713 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 3, 3, 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]
[2023-12-16 05:10:22,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2023-12-16 05:10:22,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-16 05:10:22,917 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:10:22,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:10:22,918 INFO L85 PathProgramCache]: Analyzing trace with hash -302279341, now seen corresponding path program 2 times
[2023-12-16 05:10:22,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:10:22,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598278073]
[2023-12-16 05:10:22,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:10:22,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:10:22,932 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-16 05:10:22,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [344429796]
[2023-12-16 05:10:22,932 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-12-16 05:10:22,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-16 05:10:22,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 05:10:22,935 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)
[2023-12-16 05:10:22,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2023-12-16 05:10:22,979 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-12-16 05:10:22,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-12-16 05:10:22,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 7 conjunts are in the unsatisfiable core
[2023-12-16 05:10:22,987 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 05:10:23,010 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked.
[2023-12-16 05:10:23,010 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-12-16 05:10:23,070 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked.
[2023-12-16 05:10:23,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 05:10:23,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598278073]
[2023-12-16 05:10:23,070 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-16 05:10:23,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344429796]
[2023-12-16 05:10:23,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344429796] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-16 05:10:23,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-16 05:10:23,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5
[2023-12-16 05:10:23,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989302139]
[2023-12-16 05:10:23,070 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-16 05:10:23,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 05:10:23,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 05:10:23,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 05:10:23,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-16 05:10:23,073 INFO L87 Difference]: Start difference. First operand 104 states and 129 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 5 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18)
[2023-12-16 05:10:23,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 05:10:23,147 INFO L93 Difference]: Finished difference Result 129 states and 162 transitions.
[2023-12-16 05:10:23,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-12-16 05:10:23,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 5 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 83
[2023-12-16 05:10:23,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 05:10:23,148 INFO L225 Difference]: With dead ends: 129
[2023-12-16 05:10:23,148 INFO L226 Difference]: Without dead ends: 99
[2023-12-16 05:10:23,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-16 05:10:23,151 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 05:10:23,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 05:10:23,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states.
[2023-12-16 05:10:23,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99.
[2023-12-16 05:10:23,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 60 states have (on average 1.1333333333333333) internal successors, (68), 62 states have internal predecessors, (68), 27 states have call successors, (27), 11 states have call predecessors, (27), 11 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26)
[2023-12-16 05:10:23,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 121 transitions.
[2023-12-16 05:10:23,179 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 121 transitions. Word has length 83
[2023-12-16 05:10:23,180 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 05:10:23,180 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 121 transitions.
[2023-12-16 05:10:23,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 5 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18)
[2023-12-16 05:10:23,180 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 121 transitions.
[2023-12-16 05:10:23,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101
[2023-12-16 05:10:23,184 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 05:10:23,184 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 05:10:23,197 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2023-12-16 05:10:23,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-16 05:10:23,389 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:10:23,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:10:23,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1209712204, now seen corresponding path program 3 times
[2023-12-16 05:10:23,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:10:23,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612260499]
[2023-12-16 05:10:23,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:10:23,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:10:23,407 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-16 05:10:23,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1911076009]
[2023-12-16 05:10:23,407 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-12-16 05:10:23,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-16 05:10:23,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 05:10:23,408 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)
[2023-12-16 05:10:23,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2023-12-16 05:10:23,455 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s)
[2023-12-16 05:10:23,455 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-12-16 05:10:23,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 27 conjunts are in the unsatisfiable core
[2023-12-16 05:10:23,457 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 05:10:23,788 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 33 proven. 23 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked.
[2023-12-16 05:10:23,789 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-12-16 05:10:24,299 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 33 proven. 23 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked.
[2023-12-16 05:10:24,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 05:10:24,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612260499]
[2023-12-16 05:10:24,300 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-16 05:10:24,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911076009]
[2023-12-16 05:10:24,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911076009] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-16 05:10:24,300 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-16 05:10:24,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18
[2023-12-16 05:10:24,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385970014]
[2023-12-16 05:10:24,300 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-16 05:10:24,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2023-12-16 05:10:24,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 05:10:24,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2023-12-16 05:10:24,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306
[2023-12-16 05:10:24,301 INFO L87 Difference]: Start difference. First operand 99 states and 121 transitions. Second operand has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 16 states have internal predecessors, (43), 11 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 11 states have call predecessors, (30), 10 states have call successors, (30)
[2023-12-16 05:10:24,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 05:10:24,881 INFO L93 Difference]: Finished difference Result 183 states and 235 transitions.
[2023-12-16 05:10:24,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2023-12-16 05:10:24,882 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 16 states have internal predecessors, (43), 11 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 11 states have call predecessors, (30), 10 states have call successors, (30) Word has length 100
[2023-12-16 05:10:24,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 05:10:24,883 INFO L225 Difference]: With dead ends: 183
[2023-12-16 05:10:24,883 INFO L226 Difference]: Without dead ends: 120
[2023-12-16 05:10:24,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 181 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=549, Unknown=0, NotChecked=0, Total=702
[2023-12-16 05:10:24,884 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 63 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2023-12-16 05:10:24,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 492 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2023-12-16 05:10:24,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states.
[2023-12-16 05:10:24,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 100.
[2023-12-16 05:10:24,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 61 states have (on average 1.1147540983606556) internal successors, (68), 63 states have internal predecessors, (68), 27 states have call successors, (27), 11 states have call predecessors, (27), 11 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26)
[2023-12-16 05:10:24,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 121 transitions.
[2023-12-16 05:10:24,924 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 121 transitions. Word has length 100
[2023-12-16 05:10:24,924 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 05:10:24,924 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 121 transitions.
[2023-12-16 05:10:24,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 16 states have internal predecessors, (43), 11 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 11 states have call predecessors, (30), 10 states have call successors, (30)
[2023-12-16 05:10:24,924 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 121 transitions.
[2023-12-16 05:10:24,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101
[2023-12-16 05:10:24,925 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 05:10:24,925 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 05:10:24,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2023-12-16 05:10:25,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-16 05:10:25,134 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:10:25,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:10:25,135 INFO L85 PathProgramCache]: Analyzing trace with hash -479231538, now seen corresponding path program 1 times
[2023-12-16 05:10:25,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:10:25,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895872770]
[2023-12-16 05:10:25,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:10:25,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:10:25,141 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-16 05:10:25,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [540146648]
[2023-12-16 05:10:25,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:10:25,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-16 05:10:25,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 05:10:25,142 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)
[2023-12-16 05:10:25,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2023-12-16 05:10:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:10:25,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-12-16 05:10:25,202 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 05:10:25,249 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked.
[2023-12-16 05:10:25,249 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 05:10:25,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 05:10:25,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895872770]
[2023-12-16 05:10:25,249 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-16 05:10:25,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540146648]
[2023-12-16 05:10:25,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540146648] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 05:10:25,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 05:10:25,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 05:10:25,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706050630]
[2023-12-16 05:10:25,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 05:10:25,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 05:10:25,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 05:10:25,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 05:10:25,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-12-16 05:10:25,251 INFO L87 Difference]: Start difference. First operand 100 states and 121 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13)
[2023-12-16 05:10:25,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 05:10:25,280 INFO L93 Difference]: Finished difference Result 120 states and 142 transitions.
[2023-12-16 05:10:25,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-12-16 05:10:25,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 100
[2023-12-16 05:10:25,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 05:10:25,281 INFO L225 Difference]: With dead ends: 120
[2023-12-16 05:10:25,281 INFO L226 Difference]: Without dead ends: 88
[2023-12-16 05:10:25,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-12-16 05:10:25,282 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 05:10:25,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 05:10:25,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2023-12-16 05:10:25,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88.
[2023-12-16 05:10:25,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 56 states have internal predecessors, (60), 21 states have call successors, (21), 11 states have call predecessors, (21), 11 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2023-12-16 05:10:25,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 101 transitions.
[2023-12-16 05:10:25,296 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 101 transitions. Word has length 100
[2023-12-16 05:10:25,296 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 05:10:25,296 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 101 transitions.
[2023-12-16 05:10:25,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13)
[2023-12-16 05:10:25,296 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 101 transitions.
[2023-12-16 05:10:25,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2023-12-16 05:10:25,297 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 05:10:25,297 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 05:10:25,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2023-12-16 05:10:25,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2023-12-16 05:10:25,502 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:10:25,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:10:25,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1299465319, now seen corresponding path program 2 times
[2023-12-16 05:10:25,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:10:25,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695478830]
[2023-12-16 05:10:25,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:10:25,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:10:25,508 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-16 05:10:25,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1813630361]
[2023-12-16 05:10:25,508 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-12-16 05:10:25,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-16 05:10:25,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 05:10:25,509 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)
[2023-12-16 05:10:25,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2023-12-16 05:10:25,558 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-12-16 05:10:25,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-12-16 05:10:25,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 42 conjunts are in the unsatisfiable core
[2023-12-16 05:10:25,561 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 05:10:25,939 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 30 proven. 69 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked.
[2023-12-16 05:10:25,940 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-12-16 05:10:54,991 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 30 proven. 63 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked.
[2023-12-16 05:10:54,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 05:10:54,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695478830]
[2023-12-16 05:10:54,992 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-16 05:10:54,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813630361]
[2023-12-16 05:10:54,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813630361] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-16 05:10:54,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-16 05:10:54,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14] total 29
[2023-12-16 05:10:54,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314559548]
[2023-12-16 05:10:54,992 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-16 05:10:54,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states
[2023-12-16 05:10:54,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 05:10:54,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants.
[2023-12-16 05:10:54,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=671, Unknown=0, NotChecked=0, Total=812
[2023-12-16 05:10:54,994 INFO L87 Difference]: Start difference. First operand 88 states and 101 transitions. Second operand has 29 states, 29 states have (on average 1.7241379310344827) internal successors, (50), 26 states have internal predecessors, (50), 16 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 16 states have call predecessors, (34), 16 states have call successors, (34)
[2023-12-16 05:10:55,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 05:10:55,726 INFO L93 Difference]: Finished difference Result 111 states and 124 transitions.
[2023-12-16 05:10:55,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2023-12-16 05:10:55,727 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.7241379310344827) internal successors, (50), 26 states have internal predecessors, (50), 16 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 16 states have call predecessors, (34), 16 states have call successors, (34) Word has length 105
[2023-12-16 05:10:55,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 05:10:55,727 INFO L225 Difference]: With dead ends: 111
[2023-12-16 05:10:55,727 INFO L226 Difference]: Without dead ends: 88
[2023-12-16 05:10:55,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=246, Invalid=1160, Unknown=0, NotChecked=0, Total=1406
[2023-12-16 05:10:55,728 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 38 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2023-12-16 05:10:55,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 417 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2023-12-16 05:10:55,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2023-12-16 05:10:55,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88.
[2023-12-16 05:10:55,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 56 states have (on average 1.0) internal successors, (56), 56 states have internal predecessors, (56), 19 states have call successors, (19), 13 states have call predecessors, (19), 12 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2023-12-16 05:10:55,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 93 transitions.
[2023-12-16 05:10:55,741 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 93 transitions. Word has length 105
[2023-12-16 05:10:55,741 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 05:10:55,741 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 93 transitions.
[2023-12-16 05:10:55,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.7241379310344827) internal successors, (50), 26 states have internal predecessors, (50), 16 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 16 states have call predecessors, (34), 16 states have call successors, (34)
[2023-12-16 05:10:55,741 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions.
[2023-12-16 05:10:55,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2023-12-16 05:10:55,742 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 05:10:55,742 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 05:10:55,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2023-12-16 05:10:55,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-16 05:10:55,947 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:10:55,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:10:55,948 INFO L85 PathProgramCache]: Analyzing trace with hash -663832148, now seen corresponding path program 1 times
[2023-12-16 05:10:55,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:10:55,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324586762]
[2023-12-16 05:10:55,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:10:55,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:10:55,958 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-16 05:10:55,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [130870686]
[2023-12-16 05:10:55,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:10:55,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-16 05:10:55,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 05:10:55,962 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)
[2023-12-16 05:10:55,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2023-12-16 05:10:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:10:56,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 49 conjunts are in the unsatisfiable core
[2023-12-16 05:10:56,056 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 05:10:56,998 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 29 proven. 77 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked.
[2023-12-16 05:10:56,998 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-12-16 05:11:13,150 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 29 proven. 71 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked.
[2023-12-16 05:11:13,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 05:11:13,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324586762]
[2023-12-16 05:11:13,151 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-16 05:11:13,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130870686]
[2023-12-16 05:11:13,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130870686] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-16 05:11:13,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-16 05:11:13,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 29
[2023-12-16 05:11:13,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924572205]
[2023-12-16 05:11:13,151 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-16 05:11:13,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states
[2023-12-16 05:11:13,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 05:11:13,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants.
[2023-12-16 05:11:13,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=653, Unknown=0, NotChecked=0, Total=812
[2023-12-16 05:11:13,152 INFO L87 Difference]: Start difference. First operand 88 states and 93 transitions. Second operand has 29 states, 27 states have (on average 1.9259259259259258) internal successors, (52), 27 states have internal predecessors, (52), 17 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 14 states have call predecessors, (36), 15 states have call successors, (36)
[2023-12-16 05:11:14,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 05:11:14,504 INFO L93 Difference]: Finished difference Result 88 states and 93 transitions.
[2023-12-16 05:11:14,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2023-12-16 05:11:14,505 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 27 states have (on average 1.9259259259259258) internal successors, (52), 27 states have internal predecessors, (52), 17 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 14 states have call predecessors, (36), 15 states have call successors, (36) Word has length 111
[2023-12-16 05:11:14,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 05:11:14,505 INFO L225 Difference]: With dead ends: 88
[2023-12-16 05:11:14,505 INFO L226 Difference]: Without dead ends: 0
[2023-12-16 05:11:14,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 192 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=178, Invalid=814, Unknown=0, NotChecked=0, Total=992
[2023-12-16 05:11:14,506 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 14 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2023-12-16 05:11:14,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 347 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2023-12-16 05:11:14,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-12-16 05:11:14,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-12-16 05:11:14,507 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)
[2023-12-16 05:11:14,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-12-16 05:11:14,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 111
[2023-12-16 05:11:14,507 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 05:11:14,507 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-12-16 05:11:14,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 27 states have (on average 1.9259259259259258) internal successors, (52), 27 states have internal predecessors, (52), 17 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 14 states have call predecessors, (36), 15 states have call successors, (36)
[2023-12-16 05:11:14,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-12-16 05:11:14,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-12-16 05:11:14,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-16 05:11:14,514 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2023-12-16 05:11:14,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2023-12-16 05:11:14,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-12-16 05:11:16,219 INFO L895 garLoopResultBuilder]: At program point L60(line 60) the Hoare annotation is: (let ((.cse0 (mod |ULTIMATE.start_main_~B~0#1| 4294967296))) (and (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~d~0#1| .cse0) (<= 1 .cse0) (<= .cse0 2)))
[2023-12-16 05:11:16,219 INFO L899 garLoopResultBuilder]: For program point L48(lines 46 58) no Hoare annotation was computed.
[2023-12-16 05:11:16,219 INFO L895 garLoopResultBuilder]: At program point L36-2(lines 36 44) the Hoare annotation is: (let ((.cse0 (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) (.cse7 (mod |ULTIMATE.start_main_~A~0#1| 4294967296))) (let ((.cse5 (<= |ULTIMATE.start_main_~d~0#1| (* 2 |ULTIMATE.start_main_~r~0#1|))) (.cse1 (<= |ULTIMATE.start_main_~r~0#1| 2)) (.cse2 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse3 (<= 1 |ULTIMATE.start_main_~d~0#1|)) (.cse4 (= |ULTIMATE.start_main_~r~0#1| .cse7)) (.cse6 (* 2 .cse0))) (or (and (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~d~0#1| .cse0) .cse1 .cse2 .cse3 (<= .cse0 2) .cse4) (and .cse5 (= 2 |ULTIMATE.start_main_~p~0#1|) (= .cse6 |ULTIMATE.start_main_~d~0#1|) .cse1 .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_main_~p~0#1| 4) .cse5 .cse1 .cse2 .cse3 .cse4 (= (mod |ULTIMATE.start_main_~d~0#1| 2) 0) (= (+ (div |ULTIMATE.start_main_~d~0#1| 2) .cse7) (+ .cse6 |ULTIMATE.start_main_~r~0#1|))))))
[2023-12-16 05:11:16,219 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed.
[2023-12-16 05:11:16,219 INFO L895 garLoopResultBuilder]: At program point L28(line 28) the Hoare annotation is: (<= (mod |ULTIMATE.start_main_~A~0#1| 4294967296) 2)
[2023-12-16 05:11:16,219 INFO L895 garLoopResultBuilder]: At program point L28-1(line 28) the Hoare annotation is: (and (<= (mod |ULTIMATE.start_main_~A~0#1| 4294967296) 2) (<= (mod |ULTIMATE.start_main_~B~0#1| 4294967296) 2))
[2023-12-16 05:11:16,220 INFO L895 garLoopResultBuilder]: At program point L37(line 37) the Hoare annotation is: (let ((.cse0 (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) (.cse7 (mod |ULTIMATE.start_main_~A~0#1| 4294967296))) (let ((.cse5 (<= |ULTIMATE.start_main_~d~0#1| (* 2 |ULTIMATE.start_main_~r~0#1|))) (.cse1 (<= |ULTIMATE.start_main_~r~0#1| 2)) (.cse2 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse3 (<= 1 |ULTIMATE.start_main_~d~0#1|)) (.cse4 (= |ULTIMATE.start_main_~r~0#1| .cse7)) (.cse6 (* 2 .cse0))) (or (and (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~d~0#1| .cse0) .cse1 .cse2 .cse3 (<= .cse0 2) .cse4) (and .cse5 (= 2 |ULTIMATE.start_main_~p~0#1|) (= .cse6 |ULTIMATE.start_main_~d~0#1|) .cse1 .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_main_~p~0#1| 4) .cse5 .cse1 .cse2 .cse3 .cse4 (= (mod |ULTIMATE.start_main_~d~0#1| 2) 0) (= (+ (div |ULTIMATE.start_main_~d~0#1| 2) .cse7) (+ .cse6 |ULTIMATE.start_main_~r~0#1|))))))
[2023-12-16 05:11:16,220 INFO L895 garLoopResultBuilder]: At program point L37-1(line 37) the Hoare annotation is: (let ((.cse0 (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) (.cse7 (mod |ULTIMATE.start_main_~A~0#1| 4294967296))) (let ((.cse5 (<= |ULTIMATE.start_main_~d~0#1| (* 2 |ULTIMATE.start_main_~r~0#1|))) (.cse1 (<= |ULTIMATE.start_main_~r~0#1| 2)) (.cse2 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse3 (<= 1 |ULTIMATE.start_main_~d~0#1|)) (.cse4 (= |ULTIMATE.start_main_~r~0#1| .cse7)) (.cse6 (* 2 .cse0))) (or (and (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~d~0#1| .cse0) .cse1 .cse2 .cse3 (<= .cse0 2) .cse4) (and .cse5 (= 2 |ULTIMATE.start_main_~p~0#1|) (= .cse6 |ULTIMATE.start_main_~d~0#1|) .cse1 .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_main_~p~0#1| 4) .cse5 .cse1 .cse2 .cse3 .cse4 (= (mod |ULTIMATE.start_main_~d~0#1| 2) 0) (= (+ (div |ULTIMATE.start_main_~d~0#1| 2) .cse7) (+ .cse6 |ULTIMATE.start_main_~r~0#1|))))))
[2023-12-16 05:11:16,220 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-12-16 05:11:16,220 INFO L899 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed.
[2023-12-16 05:11:16,220 INFO L899 garLoopResultBuilder]: For program point L54(lines 54 57) no Hoare annotation was computed.
[2023-12-16 05:11:16,220 INFO L895 garLoopResultBuilder]: At program point L54-2(lines 46 58) the Hoare annotation is: (let ((.cse1 (mod |ULTIMATE.start_main_~B~0#1| 4294967296))) (let ((.cse5 (+ |ULTIMATE.start_main_~r~0#1| 1)) (.cse16 (* 2 .cse1)) (.cse13 (mod |ULTIMATE.start_main_~A~0#1| 4294967296))) (let ((.cse6 (= .cse1 1)) (.cse7 (= |ULTIMATE.start_main_~r~0#1| 0)) (.cse8 (= 2 |ULTIMATE.start_main_~q~0#1|)) (.cse9 (= 2 .cse13)) (.cse0 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse14 (+ .cse16 |ULTIMATE.start_main_~r~0#1|)) (.cse11 (<= |ULTIMATE.start_main_~d~0#1| (* 2 |ULTIMATE.start_main_~r~0#1|))) (.cse10 (= 2 |ULTIMATE.start_main_~p~0#1|)) (.cse2 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse3 (<= .cse1 2)) (.cse4 (= |ULTIMATE.start_main_~r~0#1| .cse13)) (.cse12 (<= .cse5 |ULTIMATE.start_main_~d~0#1|))) (or (and .cse0 (= |ULTIMATE.start_main_~d~0#1| .cse1) .cse2 .cse3 .cse4 (<= .cse5 .cse1)) (and (= |ULTIMATE.start_main_~d~0#1| 1) .cse0 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse6 .cse7 .cse8 .cse9 (= 2 |ULTIMATE.start_main_~d~0#1|)) (and (= |ULTIMATE.start_main_~p~0#1| 4) .cse11 (<= |ULTIMATE.start_main_~r~0#1| 2) .cse2 .cse4 .cse12 (= (+ (div |ULTIMATE.start_main_~d~0#1| 2) .cse13) .cse14)) (let ((.cse15 (+ |ULTIMATE.start_main_~d~0#1| |ULTIMATE.start_main_~r~0#1|))) (and .cse0 (<= 1 .cse1) (= |ULTIMATE.start_main_~q~0#1| 1) .cse3 (<= 1 .cse15) (= .cse15 .cse13) (= (+ |ULTIMATE.start_main_~d~0#1| .cse13) .cse14))) (and .cse11 .cse10 (= .cse16 |ULTIMATE.start_main_~d~0#1|) .cse2 .cse3 .cse4 .cse12)))))
[2023-12-16 05:11:16,220 INFO L895 garLoopResultBuilder]: At program point L46-1(lines 46 58) the Hoare annotation is: (let ((.cse5 (mod |ULTIMATE.start_main_~B~0#1| 4294967296))) (let ((.cse0 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse1 (= |ULTIMATE.start_main_~d~0#1| .cse5)) (.cse2 (<= 1 .cse5)) (.cse3 (<= .cse5 2)) (.cse4 (mod |ULTIMATE.start_main_~A~0#1| 4294967296))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~q~0#1| 0) .cse3 (= |ULTIMATE.start_main_~r~0#1| .cse4)) (and (= |ULTIMATE.start_main_~d~0#1| 1) .cse0 (<= .cse4 2) (= (mod (+ |ULTIMATE.start_main_~A~0#1| |ULTIMATE.start_main_~r~0#1|) 2) 0) (<= (+ (* 2 |ULTIMATE.start_main_~r~0#1|) 1) .cse4) (<= 0 |ULTIMATE.start_main_~r~0#1|) (= .cse5 1) (= 2 |ULTIMATE.start_main_~q~0#1|)) (let ((.cse6 (+ |ULTIMATE.start_main_~d~0#1| |ULTIMATE.start_main_~r~0#1|))) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~q~0#1| 1) .cse3 (<= 1 .cse6) (= .cse6 .cse4))))))
[2023-12-16 05:11:16,220 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-12-16 05:11:16,220 INFO L895 garLoopResultBuilder]: At program point L38(line 38) the Hoare annotation is: (let ((.cse0 (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) (.cse7 (mod |ULTIMATE.start_main_~A~0#1| 4294967296))) (let ((.cse5 (<= |ULTIMATE.start_main_~d~0#1| (* 2 |ULTIMATE.start_main_~r~0#1|))) (.cse1 (<= |ULTIMATE.start_main_~r~0#1| 2)) (.cse2 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse3 (<= 1 |ULTIMATE.start_main_~d~0#1|)) (.cse4 (= |ULTIMATE.start_main_~r~0#1| .cse7)) (.cse6 (* 2 .cse0))) (or (and (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~d~0#1| .cse0) .cse1 .cse2 .cse3 (<= .cse0 2) .cse4) (and .cse5 (= 2 |ULTIMATE.start_main_~p~0#1|) (= .cse6 |ULTIMATE.start_main_~d~0#1|) .cse1 .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_main_~p~0#1| 4) .cse5 .cse1 .cse2 .cse3 .cse4 (= (mod |ULTIMATE.start_main_~d~0#1| 2) 0) (= (+ (div |ULTIMATE.start_main_~d~0#1| 2) .cse7) (+ .cse6 |ULTIMATE.start_main_~r~0#1|))))))
[2023-12-16 05:11:16,220 INFO L902 garLoopResultBuilder]: At program point L26(line 26) the Hoare annotation is: true
[2023-12-16 05:11:16,220 INFO L899 garLoopResultBuilder]: For program point L26-1(line 26) no Hoare annotation was computed.
[2023-12-16 05:11:16,221 INFO L895 garLoopResultBuilder]: At program point L47(line 47) the Hoare annotation is: (let ((.cse1 (mod |ULTIMATE.start_main_~B~0#1| 4294967296))) (let ((.cse5 (+ |ULTIMATE.start_main_~r~0#1| 1)) (.cse16 (* 2 .cse1)) (.cse13 (mod |ULTIMATE.start_main_~A~0#1| 4294967296))) (let ((.cse6 (= .cse1 1)) (.cse7 (= |ULTIMATE.start_main_~r~0#1| 0)) (.cse8 (= 2 |ULTIMATE.start_main_~q~0#1|)) (.cse9 (= 2 .cse13)) (.cse0 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse14 (+ .cse16 |ULTIMATE.start_main_~r~0#1|)) (.cse11 (<= |ULTIMATE.start_main_~d~0#1| (* 2 |ULTIMATE.start_main_~r~0#1|))) (.cse10 (= 2 |ULTIMATE.start_main_~p~0#1|)) (.cse2 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse3 (<= .cse1 2)) (.cse4 (= |ULTIMATE.start_main_~r~0#1| .cse13)) (.cse12 (<= .cse5 |ULTIMATE.start_main_~d~0#1|))) (or (and .cse0 (= |ULTIMATE.start_main_~d~0#1| .cse1) .cse2 .cse3 .cse4 (<= .cse5 .cse1)) (and (= |ULTIMATE.start_main_~d~0#1| 1) .cse0 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse6 .cse7 .cse8 .cse9 (= 2 |ULTIMATE.start_main_~d~0#1|)) (and (= |ULTIMATE.start_main_~p~0#1| 4) .cse11 (<= |ULTIMATE.start_main_~r~0#1| 2) .cse2 .cse4 .cse12 (= (+ (div |ULTIMATE.start_main_~d~0#1| 2) .cse13) .cse14)) (let ((.cse15 (+ |ULTIMATE.start_main_~d~0#1| |ULTIMATE.start_main_~r~0#1|))) (and .cse0 (<= 1 .cse1) (= |ULTIMATE.start_main_~q~0#1| 1) .cse3 (<= 1 .cse15) (= .cse15 .cse13) (= (+ |ULTIMATE.start_main_~d~0#1| .cse13) .cse14))) (and .cse11 .cse10 (= .cse16 |ULTIMATE.start_main_~d~0#1|) .cse2 .cse3 .cse4 .cse12)))))
[2023-12-16 05:11:16,221 INFO L895 garLoopResultBuilder]: At program point L47-1(line 47) the Hoare annotation is: (let ((.cse1 (mod |ULTIMATE.start_main_~B~0#1| 4294967296))) (let ((.cse5 (+ |ULTIMATE.start_main_~r~0#1| 1)) (.cse16 (* 2 .cse1)) (.cse13 (mod |ULTIMATE.start_main_~A~0#1| 4294967296))) (let ((.cse6 (= .cse1 1)) (.cse7 (= |ULTIMATE.start_main_~r~0#1| 0)) (.cse8 (= 2 |ULTIMATE.start_main_~q~0#1|)) (.cse9 (= 2 .cse13)) (.cse0 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse14 (+ .cse16 |ULTIMATE.start_main_~r~0#1|)) (.cse11 (<= |ULTIMATE.start_main_~d~0#1| (* 2 |ULTIMATE.start_main_~r~0#1|))) (.cse10 (= 2 |ULTIMATE.start_main_~p~0#1|)) (.cse2 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse3 (<= .cse1 2)) (.cse4 (= |ULTIMATE.start_main_~r~0#1| .cse13)) (.cse12 (<= .cse5 |ULTIMATE.start_main_~d~0#1|))) (or (and .cse0 (= |ULTIMATE.start_main_~d~0#1| .cse1) .cse2 .cse3 .cse4 (<= .cse5 .cse1)) (and (= |ULTIMATE.start_main_~d~0#1| 1) .cse0 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse6 .cse7 .cse8 .cse9 (= 2 |ULTIMATE.start_main_~d~0#1|)) (and (= |ULTIMATE.start_main_~p~0#1| 4) .cse11 (<= |ULTIMATE.start_main_~r~0#1| 2) .cse2 .cse4 .cse12 (= (+ (div |ULTIMATE.start_main_~d~0#1| 2) .cse13) .cse14)) (let ((.cse15 (+ |ULTIMATE.start_main_~d~0#1| |ULTIMATE.start_main_~r~0#1|))) (and .cse0 (<= 1 .cse1) (= |ULTIMATE.start_main_~q~0#1| 1) .cse3 (<= 1 .cse15) (= .cse15 .cse13) (= (+ |ULTIMATE.start_main_~d~0#1| .cse13) .cse14))) (and .cse11 .cse10 (= .cse16 |ULTIMATE.start_main_~d~0#1|) .cse2 .cse3 .cse4 .cse12)))))
[2023-12-16 05:11:16,221 INFO L899 garLoopResultBuilder]: For program point L39(lines 36 44) no Hoare annotation was computed.
[2023-12-16 05:11:16,221 INFO L899 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed.
[2023-12-16 05:11:16,221 INFO L899 garLoopResultBuilder]: For program point L12-2(lines 11 13) no Hoare annotation was computed.
[2023-12-16 05:11:16,221 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 11 13) the Hoare annotation is: true
[2023-12-16 05:11:16,221 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 11 13) no Hoare annotation was computed.
[2023-12-16 05:11:16,221 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 17) no Hoare annotation was computed.
[2023-12-16 05:11:16,221 INFO L899 garLoopResultBuilder]: For program point L15(lines 15 18) no Hoare annotation was computed.
[2023-12-16 05:11:16,221 INFO L899 garLoopResultBuilder]: For program point L15-2(lines 14 20) no Hoare annotation was computed.
[2023-12-16 05:11:16,221 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 14 20) no Hoare annotation was computed.
[2023-12-16 05:11:16,221 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: true
[2023-12-16 05:11:16,221 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed.
[2023-12-16 05:11:16,223 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 05:11:16,224 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2023-12-16 05:11:16,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:11:16 BoogieIcfgContainer
[2023-12-16 05:11:16,233 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-16 05:11:16,234 INFO L158 Benchmark]: Toolchain (without parser) took 66884.74ms. Allocated memory was 244.3MB in the beginning and 293.6MB in the end (delta: 49.3MB). Free memory was 196.4MB in the beginning and 215.4MB in the end (delta: -19.0MB). Peak memory consumption was 165.7MB. Max. memory is 8.0GB.
[2023-12-16 05:11:16,234 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 201.3MB. Free memory was 149.4MB in the beginning and 149.2MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB.
[2023-12-16 05:11:16,234 INFO L158 Benchmark]: CACSL2BoogieTranslator took 160.00ms. Allocated memory is still 244.3MB. Free memory was 196.4MB in the beginning and 185.0MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
[2023-12-16 05:11:16,234 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.72ms. Allocated memory is still 244.3MB. Free memory was 185.0MB in the beginning and 183.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-16 05:11:16,234 INFO L158 Benchmark]: Boogie Preprocessor took 20.34ms. Allocated memory is still 244.3MB. Free memory was 183.4MB in the beginning and 181.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-16 05:11:16,234 INFO L158 Benchmark]: RCFGBuilder took 263.78ms. Allocated memory is still 244.3MB. Free memory was 181.3MB in the beginning and 169.3MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
[2023-12-16 05:11:16,235 INFO L158 Benchmark]: TraceAbstraction took 66415.10ms. Allocated memory was 244.3MB in the beginning and 293.6MB in the end (delta: 49.3MB). Free memory was 168.7MB in the beginning and 215.4MB in the end (delta: -46.6MB). Peak memory consumption was 138.5MB. Max. memory is 8.0GB.
[2023-12-16 05:11:16,235 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.10ms. Allocated memory is still 201.3MB. Free memory was 149.4MB in the beginning and 149.2MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 160.00ms. Allocated memory is still 244.3MB. Free memory was 196.4MB in the beginning and 185.0MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 19.72ms. Allocated memory is still 244.3MB. Free memory was 185.0MB in the beginning and 183.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 20.34ms. Allocated memory is still 244.3MB. Free memory was 183.4MB in the beginning and 181.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* RCFGBuilder took 263.78ms. Allocated memory is still 244.3MB. Free memory was 181.3MB in the beginning and 169.3MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
* TraceAbstraction took 66415.10ms. Allocated memory was 244.3MB in the beginning and 293.6MB in the end (delta: 49.3MB). Free memory was 168.7MB in the beginning and 215.4MB in the end (delta: -46.6MB). Peak memory consumption was 138.5MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 17]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 66.4s, OverallIterations: 13, TraceHistogramMax: 16, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 395 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 360 mSDsluCounter, 2911 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2478 mSDsCounter, 295 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2313 IncrementalHoareTripleChecker+Invalid, 2608 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 295 mSolverCounterUnsat, 433 mSDtfsCounter, 2313 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1430 GetRequests, 1224 SyntacticMatches, 2 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 805 ImplicationChecksByTransitivity, 15.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=8, InterpolantAutomatonStates: 141, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 70 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 100 PreInvPairs, 141 NumberOfFragments, 1123 HoareAnnotationTreeSize, 100 FormulaSimplifications, 13777 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 14 FormulaSimplificationsInter, 2116 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 50.5s InterpolantComputationTime, 854 NumberOfCodeBlocks, 827 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1393 ConstructedInterpolants, 0 QuantifiedInterpolants, 19140 SizeOfPredicates, 41 NumberOfNonLiveVariables, 1683 ConjunctsInSsa, 263 ConjunctsInUnsatCore, 20 InterpolantComputations, 5 PerfectInterpolantSequences, 3830/4215 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 46]: Loop Invariant
Derived loop invariant: (((((((((((p == 1) && (d == (B % 4294967296))) && (q == 0)) && ((B % 4294967296) <= 2)) && (r == (A % 4294967296))) && ((r + 1) <= (B % 4294967296))) || ((((((d == 1) && (p == 1)) && ((B % 4294967296) == 1)) && (r == 0)) && (2 == q)) && (2 == (A % 4294967296)))) || ((((((2 == p) && ((B % 4294967296) == 1)) && (r == 0)) && (2 == q)) && (2 == (A % 4294967296))) && (2 == d))) || (((((((p == 4) && (d <= (2 * r))) && (r <= 2)) && (q == 0)) && (r == (A % 4294967296))) && ((r + 1) <= d)) && (((d / 2) + (A % 4294967296)) == ((2 * (B % 4294967296)) + r)))) || (((((((p == 1) && (1 <= (B % 4294967296))) && (q == 1)) && ((B % 4294967296) <= 2)) && (1 <= (d + r))) && ((d + r) == (A % 4294967296))) && ((d + (A % 4294967296)) == ((2 * (B % 4294967296)) + r)))) || (((((((d <= (2 * r)) && (2 == p)) && ((2 * (B % 4294967296)) == d)) && (q == 0)) && ((B % 4294967296) <= 2)) && (r == (A % 4294967296))) && ((r + 1) <= d)))
- InvariantResult [Line: 36]: Loop Invariant
Derived loop invariant: (((((((((p == 1) && (d == (B % 4294967296))) && (r <= 2)) && (q == 0)) && (1 <= d)) && ((B % 4294967296) <= 2)) && (r == (A % 4294967296))) || (((((((d <= (2 * r)) && (2 == p)) && ((2 * (B % 4294967296)) == d)) && (r <= 2)) && (q == 0)) && (1 <= d)) && (r == (A % 4294967296)))) || ((((((((p == 4) && (d <= (2 * r))) && (r <= 2)) && (q == 0)) && (1 <= d)) && (r == (A % 4294967296))) && ((d % 2) == 0)) && (((d / 2) + (A % 4294967296)) == ((2 * (B % 4294967296)) + r))))
RESULT: Ultimate proved your program to be correct!
[2023-12-16 05:11:16,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...