/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-64bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d64_e0.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-16 21:03:45,494 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-12-16 21:03:45,562 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf
[2023-12-16 21:03:45,566 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-12-16 21:03:45,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-16 21:03:45,587 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-16 21:03:45,588 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-16 21:03:45,588 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-16 21:03:45,588 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-16 21:03:45,591 INFO L153 SettingsManager]: * Use memory slicer=true
[2023-12-16 21:03:45,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-16 21:03:45,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-16 21:03:45,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-16 21:03:45,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-12-16 21:03:45,593 INFO L153 SettingsManager]: * Use SBE=true
[2023-12-16 21:03:45,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-16 21:03:45,593 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-12-16 21:03:45,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-12-16 21:03:45,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-12-16 21:03:45,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-16 21:03:45,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-12-16 21:03:45,594 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-12-16 21:03:45,594 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-12-16 21:03:45,595 INFO L153 SettingsManager]: * Allow undefined functions=false
[2023-12-16 21:03:45,595 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-16 21:03:45,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-12-16 21:03:45,595 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-12-16 21:03:45,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-16 21:03:45,596 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-12-16 21:03:45,596 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-12-16 21:03:45,596 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-12-16 21:03:45,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 21:03:45,597 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-16 21:03:45,597 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-12-16 21:03:45,597 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-16 21:03:45,597 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2023-12-16 21:03:45,597 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-16 21:03:45,597 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-16 21:03:45,597 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-16 21:03:45,598 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-16 21:03:45,598 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-12-16 21:03:45,598 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-16 21:03:45,598 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2023-12-16 21:03:45,598 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-16 21:03:45,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-16 21:03:45,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-16 21:03:45,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-16 21:03:45,803 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-12-16 21:03:45,804 INFO L274 PluginConnector]: CDTParser initialized
[2023-12-16 21:03:45,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d64_e0.c
[2023-12-16 21:03:46,856 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-12-16 21:03:47,195 INFO L384 CDTParser]: Found 1 translation units.
[2023-12-16 21:03:47,196 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d64_e0.c
[2023-12-16 21:03:47,224 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/412ac6e6e/1cb76b361e3f431fab6cfd4c800ad0c9/FLAG1fc604764
[2023-12-16 21:03:47,238 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/412ac6e6e/1cb76b361e3f431fab6cfd4c800ad0c9
[2023-12-16 21:03:47,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-16 21:03:47,241 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-16 21:03:47,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-16 21:03:47,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-16 21:03:47,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-16 21:03:47,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:03:47" (1/1) ...
[2023-12-16 21:03:47,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d0e60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:03:47, skipping insertion in model container
[2023-12-16 21:03:47,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:03:47" (1/1) ...
[2023-12-16 21:03:47,342 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-12-16 21:03:47,549 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d64_e0.c[1271,1284]
[2023-12-16 21:03:48,065 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-12-16 21:03:48,074 INFO L202 MainTranslator]: Completed pre-run
[2023-12-16 21:03:48,083 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d64_e0.c[1271,1284]
[2023-12-16 21:03:48,398 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-12-16 21:03:48,409 INFO L206 MainTranslator]: Completed translation
[2023-12-16 21:03:48,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:03:48 WrapperNode
[2023-12-16 21:03:48,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-16 21:03:48,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-16 21:03:48,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-16 21:03:48,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-16 21:03:48,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:03:48" (1/1) ...
[2023-12-16 21:03:48,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:03:48" (1/1) ...
[2023-12-16 21:03:48,734 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8942
[2023-12-16 21:03:48,734 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-16 21:03:48,735 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-16 21:03:48,735 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-16 21:03:48,735 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-12-16 21:03:48,742 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:03:48" (1/1) ...
[2023-12-16 21:03:48,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:03:48" (1/1) ...
[2023-12-16 21:03:48,812 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:03:48" (1/1) ...
[2023-12-16 21:03:48,958 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 21:03:48,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:03:48" (1/1) ...
[2023-12-16 21:03:48,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:03:48" (1/1) ...
[2023-12-16 21:03:49,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:03:48" (1/1) ...
[2023-12-16 21:03:49,058 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:03:48" (1/1) ...
[2023-12-16 21:03:49,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:03:48" (1/1) ...
[2023-12-16 21:03:49,134 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:03:48" (1/1) ...
[2023-12-16 21:03:49,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-16 21:03:49,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-16 21:03:49,189 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-12-16 21:03:49,190 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-12-16 21:03:49,190 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:03:48" (1/1) ...
[2023-12-16 21:03:49,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 21:03:49,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 21:03:49,213 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 21:03:49,234 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 21:03:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-16 21:03:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-16 21:03:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-16 21:03:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-16 21:03:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-16 21:03:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-16 21:03:50,112 INFO L241 CfgBuilder]: Building ICFG
[2023-12-16 21:03:50,114 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-16 21:04:02,167 INFO L282 CfgBuilder]: Performing block encoding
[2023-12-16 21:04:02,522 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-16 21:04:02,522 INFO L309 CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-16 21:04:02,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:04:02 BoogieIcfgContainer
[2023-12-16 21:04:02,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-16 21:04:02,524 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-16 21:04:02,524 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-12-16 21:04:02,526 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-12-16 21:04:02,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 09:03:47" (1/3) ...
[2023-12-16 21:04:02,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c03f374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 09:04:02, skipping insertion in model container
[2023-12-16 21:04:02,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:03:48" (2/3) ...
[2023-12-16 21:04:02,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c03f374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 09:04:02, skipping insertion in model container
[2023-12-16 21:04:02,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:04:02" (3/3) ...
[2023-12-16 21:04:02,527 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n4_w16_d64_e0.c
[2023-12-16 21:04:02,538 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-16 21:04:02,539 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-16 21:04:02,575 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-16 21:04:02,580 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;@283ef21c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-16 21:04:02,580 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-16 21:04:02,583 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 23 states have internal predecessors, (27), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2023-12-16 21:04:02,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2023-12-16 21:04:02,591 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 21:04:02,592 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 21:04:02,592 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 21:04:02,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 21:04:02,598 INFO L85 PathProgramCache]: Analyzing trace with hash 465018047, now seen corresponding path program 1 times
[2023-12-16 21:04:02,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 21:04:02,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1481867855]
[2023-12-16 21:04:02,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 21:04:02,612 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 21:04:02,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 21:04:02,614 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-16 21:04:02,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2023-12-16 21:04:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 21:04:04,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 3037 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-16 21:04:04,578 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 21:04:04,604 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2023-12-16 21:04:04,604 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 21:04:04,605 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 21:04:04,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1481867855]
[2023-12-16 21:04:04,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1481867855] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 21:04:04,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 21:04:04,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-16 21:04:04,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215870317]
[2023-12-16 21:04:04,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 21:04:04,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-16 21:04:04,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 21:04:04,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-16 21:04:04,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-16 21:04:04,633 INFO L87 Difference]: Start difference. First operand has 38 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 23 states have internal predecessors, (27), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2023-12-16 21:04:04,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 21:04:04,708 INFO L93 Difference]: Finished difference Result 73 states and 117 transitions.
[2023-12-16 21:04:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-12-16 21:04:04,719 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 82
[2023-12-16 21:04:04,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 21:04:04,724 INFO L225 Difference]: With dead ends: 73
[2023-12-16 21:04:04,724 INFO L226 Difference]: Without dead ends: 36
[2023-12-16 21:04:04,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 81 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 21:04:04,730 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-16 21:04:04,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 47 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-16 21:04:04,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states.
[2023-12-16 21:04:04,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36.
[2023-12-16 21:04:04,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 21 states have internal predecessors, (22), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2023-12-16 21:04:04,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 48 transitions.
[2023-12-16 21:04:04,757 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 48 transitions. Word has length 82
[2023-12-16 21:04:04,757 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 21:04:04,757 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 48 transitions.
[2023-12-16 21:04:04,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2023-12-16 21:04:04,757 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions.
[2023-12-16 21:04:04,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2023-12-16 21:04:04,759 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 21:04:04,759 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 21:04:04,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2023-12-16 21:04:04,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 21:04:04,976 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 21:04:04,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 21:04:04,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1729667557, now seen corresponding path program 1 times
[2023-12-16 21:04:04,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 21:04:04,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1669256486]
[2023-12-16 21:04:04,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 21:04:04,981 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 21:04:04,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 21:04:04,982 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-16 21:04:04,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2023-12-16 21:04:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 21:04:13,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 3037 conjuncts, 14 conjunts are in the unsatisfiable core
[2023-12-16 21:04:13,975 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 21:04:14,316 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2023-12-16 21:04:14,316 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 21:04:14,316 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 21:04:14,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1669256486]
[2023-12-16 21:04:14,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1669256486] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 21:04:14,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 21:04:14,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-16 21:04:14,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594536960]
[2023-12-16 21:04:14,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 21:04:14,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 21:04:14,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 21:04:14,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 21:04:14,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 21:04:14,330 INFO L87 Difference]: Start difference. First operand 36 states and 48 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2023-12-16 21:04:16,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 21:04:16,163 INFO L93 Difference]: Finished difference Result 67 states and 92 transitions.
[2023-12-16 21:04:16,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-12-16 21:04:16,163 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 82
[2023-12-16 21:04:16,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 21:04:16,165 INFO L225 Difference]: With dead ends: 67
[2023-12-16 21:04:16,165 INFO L226 Difference]: Without dead ends: 65
[2023-12-16 21:04:16,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 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 21:04:16,166 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 3 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2023-12-16 21:04:16,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 93 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2023-12-16 21:04:16,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states.
[2023-12-16 21:04:16,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 64.
[2023-12-16 21:04:16,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 36 states have (on average 1.0277777777777777) internal successors, (37), 36 states have internal predecessors, (37), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26)
[2023-12-16 21:04:16,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 89 transitions.
[2023-12-16 21:04:16,175 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 89 transitions. Word has length 82
[2023-12-16 21:04:16,176 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 21:04:16,177 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 89 transitions.
[2023-12-16 21:04:16,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2023-12-16 21:04:16,177 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 89 transitions.
[2023-12-16 21:04:16,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2023-12-16 21:04:16,179 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 21:04:16,179 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1]
[2023-12-16 21:04:16,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2023-12-16 21:04:16,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 21:04:16,380 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 21:04:16,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 21:04:16,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1215904089, now seen corresponding path program 1 times
[2023-12-16 21:04:16,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 21:04:16,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67045334]
[2023-12-16 21:04:16,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 21:04:16,390 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 21:04:16,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 21:04:16,391 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-16 21:04:16,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
Received shutdown request...
[2023-12-16 21:04:59,063 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-12-16 21:04:59,083 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-12-16 21:05:00,086 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
[2023-12-16 21:05:00,285 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forcibly destroying the process
[2023-12-16 21:05:00,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 137
[2023-12-16 21:05:00,317 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user
[2023-12-16 21:05:00,318 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-16 21:05:00,319 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 164 with TraceHistMax 26,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleMathsat [67045334] and IpTcStrategyModuleCvc4 [2093492909].
[2023-12-16 21:05:00,322 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2023-12-16 21:05:00,323 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2023-12-16 21:05:00,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 09:05:00 BoogieIcfgContainer
[2023-12-16 21:05:00,325 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-16 21:05:00,325 INFO L158 Benchmark]: Toolchain (without parser) took 73084.56ms. Allocated memory was 304.1MB in the beginning and 1.3GB in the end (delta: 946.9MB). Free memory was 240.2MB in the beginning and 554.0MB in the end (delta: -313.8MB). Peak memory consumption was 631.8MB. Max. memory is 8.0GB.
[2023-12-16 21:05:00,325 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 216.0MB. Free memory is still 165.0MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-12-16 21:05:00,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1167.37ms. Allocated memory is still 304.1MB. Free memory was 239.8MB in the beginning and 176.1MB in the end (delta: 63.7MB). Peak memory consumption was 165.1MB. Max. memory is 8.0GB.
[2023-12-16 21:05:00,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 323.39ms. Allocated memory is still 304.1MB. Free memory was 176.1MB in the beginning and 153.4MB in the end (delta: 22.7MB). Peak memory consumption was 33.2MB. Max. memory is 8.0GB.
[2023-12-16 21:05:00,326 INFO L158 Benchmark]: Boogie Preprocessor took 453.69ms. Allocated memory was 304.1MB in the beginning and 563.1MB in the end (delta: 259.0MB). Free memory was 153.4MB in the beginning and 428.1MB in the end (delta: -274.7MB). Peak memory consumption was 46.7MB. Max. memory is 8.0GB.
[2023-12-16 21:05:00,327 INFO L158 Benchmark]: RCFGBuilder took 13332.83ms. Allocated memory was 563.1MB in the beginning and 1.0GB in the end (delta: 479.2MB). Free memory was 428.1MB in the beginning and 808.2MB in the end (delta: -380.1MB). Peak memory consumption was 666.9MB. Max. memory is 8.0GB.
[2023-12-16 21:05:00,327 INFO L158 Benchmark]: TraceAbstraction took 57801.30ms. Allocated memory was 1.0GB in the beginning and 1.3GB in the end (delta: 208.7MB). Free memory was 807.7MB in the beginning and 554.0MB in the end (delta: 253.8MB). Peak memory consumption was 461.4MB. Max. memory is 8.0GB.
[2023-12-16 21:05:00,329 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.09ms. Allocated memory is still 216.0MB. Free memory is still 165.0MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 1167.37ms. Allocated memory is still 304.1MB. Free memory was 239.8MB in the beginning and 176.1MB in the end (delta: 63.7MB). Peak memory consumption was 165.1MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 323.39ms. Allocated memory is still 304.1MB. Free memory was 176.1MB in the beginning and 153.4MB in the end (delta: 22.7MB). Peak memory consumption was 33.2MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 453.69ms. Allocated memory was 304.1MB in the beginning and 563.1MB in the end (delta: 259.0MB). Free memory was 153.4MB in the beginning and 428.1MB in the end (delta: -274.7MB). Peak memory consumption was 46.7MB. Max. memory is 8.0GB.
* RCFGBuilder took 13332.83ms. Allocated memory was 563.1MB in the beginning and 1.0GB in the end (delta: 479.2MB). Free memory was 428.1MB in the beginning and 808.2MB in the end (delta: -380.1MB). Peak memory consumption was 666.9MB. Max. memory is 8.0GB.
* TraceAbstraction took 57801.30ms. Allocated memory was 1.0GB in the beginning and 1.3GB in the end (delta: 208.7MB). Free memory was 807.7MB in the beginning and 554.0MB in the end (delta: 253.8MB). Peak memory consumption was 461.4MB. 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
- TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction)
Unable to prove that a call to reach_error is unreachable (line 21). Cancelled while NwaCegarLoop was analyzing trace of length 164 with TraceHistMax 26,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleMathsat [67045334] and IpTcStrategyModuleCvc4 [2093492909].
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 57.8s, OverallIterations: 3, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 140 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 78 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 8.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 407 SizeOfPredicates, 12 NumberOfNonLiveVariables, 6074 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 624/624 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
RESULT: Ultimate could not prove your program: Timeout
Completed graceful shutdown