./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/terminator_02-2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/terminator_02-2.yml/witness-2.1.yml --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 04d6fb36
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/automizer/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/automizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/automizer/data -tc /storage/repos/certificate-witnesses-artifact/automizer/config/AutomizerReachWitnessValidation.xml -i ../sv-benchmarks/c/loops/terminator_02-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/terminator_02-2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None
--- Real Ultimate output ---
This is Ultimate 0.2.4-tmp.dk.referee-eval-04d6fb3-m
[2024-09-15 20:09:45,287 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-09-15 20:09:45,367 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-09-15 20:09:45,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-09-15 20:09:45,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-15 20:09:45,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-15 20:09:45,397 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-15 20:09:45,398 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-15 20:09:45,399 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-15 20:09:45,400 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-09-15 20:09:45,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-15 20:09:45,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-15 20:09:45,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-15 20:09:45,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-09-15 20:09:45,404 INFO L153 SettingsManager]: * Use SBE=true
[2024-09-15 20:09:45,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-15 20:09:45,405 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-09-15 20:09:45,405 INFO L153 SettingsManager]: * sizeof long=4
[2024-09-15 20:09:45,405 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-09-15 20:09:45,406 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-09-15 20:09:45,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-09-15 20:09:45,407 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-09-15 20:09:45,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-15 20:09:45,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-09-15 20:09:45,411 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-09-15 20:09:45,411 INFO L153 SettingsManager]: * sizeof long double=12
[2024-09-15 20:09:45,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-09-15 20:09:45,412 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-09-15 20:09:45,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-15 20:09:45,412 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-09-15 20:09:45,413 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-09-15 20:09:45,413 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-09-15 20:09:45,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-15 20:09:45,419 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-15 20:09:45,419 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-09-15 20:09:45,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-15 20:09:45,420 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-09-15 20:09:45,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-15 20:09:45,420 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-15 20:09:45,421 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-15 20:09:45,421 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-09-15 20:09:45,421 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-15 20:09:45,421 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/certificate-witnesses-artifact/automizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-15 20:09:45,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-15 20:09:45,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-15 20:09:45,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-15 20:09:45,794 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-09-15 20:09:45,795 INFO L274 PluginConnector]: Witness Parser initialized
[2024-09-15 20:09:45,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../results/automizer-verification-files/SV-COMP24_unreach-call/terminator_02-2.yml/witness-2.1.yml
[2024-09-15 20:09:45,853 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-09-15 20:09:45,853 INFO L274 PluginConnector]: CDTParser initialized
[2024-09-15 20:09:45,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/loops/terminator_02-2.c
[2024-09-15 20:09:47,515 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-09-15 20:09:47,715 INFO L384 CDTParser]: Found 1 translation units.
[2024-09-15 20:09:47,716 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/terminator_02-2.c
[2024-09-15 20:09:47,726 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/25eabbf8e/4f9e739746a1445ab769a90cae551c62/FLAG8c1dedd89
[2024-09-15 20:09:48,115 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/25eabbf8e/4f9e739746a1445ab769a90cae551c62
[2024-09-15 20:09:48,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-15 20:09:48,116 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2024-09-15 20:09:48,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-15 20:09:48,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-15 20:09:48,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-15 20:09:48,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:09:45" (1/2) ...
[2024-09-15 20:09:48,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@299e595 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:09:48, skipping insertion in model container
[2024-09-15 20:09:48,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:09:45" (1/2) ...
[2024-09-15 20:09:48,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@61504a27 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:09:48, skipping insertion in model container
[2024-09-15 20:09:48,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:09:48" (2/2) ...
[2024-09-15 20:09:48,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@299e595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:09:48, skipping insertion in model container
[2024-09-15 20:09:48,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:09:48" (2/2) ...
[2024-09-15 20:09:48,134 INFO L93 nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-15 20:09:48,135 INFO L1541 ArrayList]: Function contract at [L9]: requires (\old(cond) != 0), ensures (\old(cond) != 0)
[2024-09-15 20:09:48,148 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-09-15 20:09:48,266 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/terminator_02-2.c[414,427]
[2024-09-15 20:09:48,280 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-15 20:09:48,286 INFO L200 MainTranslator]: Completed pre-run
Start Parsing Global
Start Parsing Global
[2024-09-15 20:09:48,339 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/terminator_02-2.c[414,427]
[2024-09-15 20:09:48,343 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-15 20:09:48,357 INFO L204 MainTranslator]: Completed translation
[2024-09-15 20:09:48,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:09:48 WrapperNode
[2024-09-15 20:09:48,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-15 20:09:48,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-09-15 20:09:48,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-09-15 20:09:48,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-09-15 20:09:48,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:09:48" (1/1) ...
[2024-09-15 20:09:48,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:09:48" (1/1) ...
[2024-09-15 20:09:48,387 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57
[2024-09-15 20:09:48,388 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-09-15 20:09:48,388 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-15 20:09:48,389 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-15 20:09:48,389 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-09-15 20:09:48,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:09:48" (1/1) ...
[2024-09-15 20:09:48,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:09:48" (1/1) ...
[2024-09-15 20:09:48,400 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:09:48" (1/1) ...
[2024-09-15 20:09:48,411 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-09-15 20:09:48,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:09:48" (1/1) ...
[2024-09-15 20:09:48,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:09:48" (1/1) ...
[2024-09-15 20:09:48,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:09:48" (1/1) ...
[2024-09-15 20:09:48,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:09:48" (1/1) ...
[2024-09-15 20:09:48,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:09:48" (1/1) ...
[2024-09-15 20:09:48,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:09:48" (1/1) ...
[2024-09-15 20:09:48,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-15 20:09:48,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-15 20:09:48,422 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-09-15 20:09:48,422 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-09-15 20:09:48,423 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:09:48" (1/1) ...
[2024-09-15 20:09:48,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-15 20:09:48,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3
[2024-09-15 20:09:48,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-09-15 20:09:48,521 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-09-15 20:09:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-15 20:09:48,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-09-15 20:09:48,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-15 20:09:48,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-15 20:09:48,641 INFO L242 CfgBuilder]: Building ICFG
[2024-09-15 20:09:48,643 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-15 20:09:48,789 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live.
[2024-09-15 20:09:48,789 INFO L291 CfgBuilder]: Performing block encoding
[2024-09-15 20:09:48,812 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-15 20:09:48,813 INFO L318 CfgBuilder]: Removed 1 assume(true) statements.
[2024-09-15 20:09:48,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:09:48 BoogieIcfgContainer
[2024-09-15 20:09:48,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-15 20:09:48,816 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-09-15 20:09:48,816 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-09-15 20:09:48,819 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-09-15 20:09:48,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:09:45" (1/4) ...
[2024-09-15 20:09:48,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7563f706 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 15.09 08:09:48, skipping insertion in model container
[2024-09-15 20:09:48,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 08:09:48" (2/4) ...
[2024-09-15 20:09:48,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7563f706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 08:09:48, skipping insertion in model container
[2024-09-15 20:09:48,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:09:48" (3/4) ...
[2024-09-15 20:09:48,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7563f706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 08:09:48, skipping insertion in model container
[2024-09-15 20:09:48,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:09:48" (4/4) ...
[2024-09-15 20:09:48,823 INFO L112 eAbstractionObserver]: Analyzing ICFG terminator_02-2.c
[2024-09-15 20:09:48,842 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-09-15 20:09:48,842 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations.
[2024-09-15 20:09:48,888 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-09-15 20:09:48,896 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@5e79e3de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-09-15 20:09:48,897 INFO L337 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-09-15 20:09:48,901 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:09:48,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-09-15 20:09:48,910 INFO L208 NwaCegarLoop]: Found error trace
[2024-09-15 20:09:48,911 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-09-15 20:09:48,912 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONPRE_CONDITION === [ULTIMATE.startErr0ASSERT_VIOLATIONPRE_CONDITION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONPOST_CONDITION] ===
[2024-09-15 20:09:48,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-09-15 20:09:48,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1959453860, now seen corresponding path program 1 times
[2024-09-15 20:09:48,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-15 20:09:48,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915848915]
[2024-09-15 20:09:48,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-15 20:09:48,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-15 20:09:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-15 20:09:49,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-15 20:09:49,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-15 20:09:49,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915848915]
[2024-09-15 20:09:49,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915848915] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-15 20:09:49,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-15 20:09:49,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-09-15 20:09:49,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705474718]
[2024-09-15 20:09:49,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-15 20:09:49,095 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-09-15 20:09:49,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-15 20:09:49,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-09-15 20:09:49,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-09-15 20:09:49,136 INFO L87 Difference]: Start difference. First operand has 18 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:09:49,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-15 20:09:49,156 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions.
[2024-09-15 20:09:49,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-09-15 20:09:49,161 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2024-09-15 20:09:49,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-15 20:09:49,168 INFO L225 Difference]: With dead ends: 18
[2024-09-15 20:09:49,168 INFO L226 Difference]: Without dead ends: 16
[2024-09-15 20:09:49,170 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-09-15 20:09:49,175 INFO L434 NwaCegarLoop]: 21 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, 21 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
[2024-09-15 20:09:49,176 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-15 20:09:49,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2024-09-15 20:09:49,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2024-09-15 20:09:49,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 15 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:09:49,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions.
[2024-09-15 20:09:49,203 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 8
[2024-09-15 20:09:49,203 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-09-15 20:09:49,203 INFO L474 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions.
[2024-09-15 20:09:49,204 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:09:49,204 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions.
[2024-09-15 20:09:49,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-09-15 20:09:49,204 INFO L208 NwaCegarLoop]: Found error trace
[2024-09-15 20:09:49,205 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-09-15 20:09:49,205 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-09-15 20:09:49,205 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONPRE_CONDITION === [ULTIMATE.startErr0ASSERT_VIOLATIONPRE_CONDITION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONPOST_CONDITION] ===
[2024-09-15 20:09:49,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-09-15 20:09:49,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1959443289, now seen corresponding path program 1 times
[2024-09-15 20:09:49,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-15 20:09:49,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920462660]
[2024-09-15 20:09:49,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-15 20:09:49,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-15 20:09:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-15 20:09:49,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-15 20:09:49,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-15 20:09:49,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920462660]
[2024-09-15 20:09:49,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920462660] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-15 20:09:49,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-15 20:09:49,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-09-15 20:09:49,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396150174]
[2024-09-15 20:09:49,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-15 20:09:49,387 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-09-15 20:09:49,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-15 20:09:49,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-09-15 20:09:49,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-09-15 20:09:49,389 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:09:49,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-15 20:09:49,414 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions.
[2024-09-15 20:09:49,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-09-15 20:09:49,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2024-09-15 20:09:49,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-15 20:09:49,415 INFO L225 Difference]: With dead ends: 14
[2024-09-15 20:09:49,415 INFO L226 Difference]: Without dead ends: 13
[2024-09-15 20:09:49,416 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-09-15 20:09:49,417 INFO L434 NwaCegarLoop]: 12 mSDtfsCounter, 4 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-15 20:09:49,417 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 25 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-15 20:09:49,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states.
[2024-09-15 20:09:49,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13.
[2024-09-15 20:09:49,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:09:49,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions.
[2024-09-15 20:09:49,420 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 8
[2024-09-15 20:09:49,420 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-09-15 20:09:49,420 INFO L474 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions.
[2024-09-15 20:09:49,420 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:09:49,420 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions.
[2024-09-15 20:09:49,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-09-15 20:09:49,421 INFO L208 NwaCegarLoop]: Found error trace
[2024-09-15 20:09:49,421 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-09-15 20:09:49,422 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-09-15 20:09:49,422 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONPRE_CONDITION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONPOST_CONDITION] ===
[2024-09-15 20:09:49,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-09-15 20:09:49,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1829327548, now seen corresponding path program 1 times
[2024-09-15 20:09:49,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-15 20:09:49,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874831326]
[2024-09-15 20:09:49,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-15 20:09:49,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-15 20:09:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-15 20:09:49,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-15 20:09:49,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-15 20:09:49,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874831326]
[2024-09-15 20:09:49,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874831326] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-15 20:09:49,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-15 20:09:49,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-09-15 20:09:49,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67985253]
[2024-09-15 20:09:49,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-15 20:09:49,480 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-09-15 20:09:49,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-15 20:09:49,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-09-15 20:09:49,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-15 20:09:49,481 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:09:49,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-15 20:09:49,487 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions.
[2024-09-15 20:09:49,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-09-15 20:09:49,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2024-09-15 20:09:49,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-15 20:09:49,488 INFO L225 Difference]: With dead ends: 11
[2024-09-15 20:09:49,488 INFO L226 Difference]: Without dead ends: 0
[2024-09-15 20:09:49,489 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-15 20:09:49,490 INFO L434 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 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
[2024-09-15 20:09:49,490 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-15 20:09:49,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-09-15 20:09:49,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-09-15 20:09:49,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:09:49,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-09-15 20:09:49,492 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10
[2024-09-15 20:09:49,492 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-09-15 20:09:49,492 INFO L474 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-09-15 20:09:49,492 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:09:49,492 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-09-15 20:09:49,492 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-09-15 20:09:49,495 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONPRE_CONDITION (2 of 3 remaining)
[2024-09-15 20:09:49,495 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining)
[2024-09-15 20:09:49,496 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONPOST_CONDITION (0 of 3 remaining)
[2024-09-15 20:09:49,496 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-09-15 20:09:49,499 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-09-15 20:09:49,502 INFO L165 ceAbstractionStarter]: Computing trace abstraction results
[2024-09-15 20:09:49,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 08:09:49 BoogieIcfgContainer
[2024-09-15 20:09:49,506 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-09-15 20:09:49,507 INFO L158 Benchmark]: Toolchain (without parser) took 1390.25ms. Allocated memory was 58.7MB in the beginning and 94.4MB in the end (delta: 35.7MB). Free memory was 34.2MB in the beginning and 45.9MB in the end (delta: -11.7MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB.
[2024-09-15 20:09:49,507 INFO L158 Benchmark]: Witness Parser took 0.24ms. Allocated memory is still 41.9MB. Free memory was 25.9MB in the beginning and 25.8MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-15 20:09:49,508 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 41.9MB. Free memory was 23.9MB in the beginning and 23.8MB in the end (delta: 70.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-15 20:09:49,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.82ms. Allocated memory was 58.7MB in the beginning and 94.4MB in the end (delta: 35.7MB). Free memory was 34.0MB in the beginning and 72.4MB in the end (delta: -38.4MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB.
[2024-09-15 20:09:49,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.95ms. Allocated memory is still 94.4MB. Free memory was 72.4MB in the beginning and 70.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-15 20:09:49,510 INFO L158 Benchmark]: Boogie Preprocessor took 32.62ms. Allocated memory is still 94.4MB. Free memory was 70.9MB in the beginning and 69.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-15 20:09:49,510 INFO L158 Benchmark]: RCFGBuilder took 392.11ms. Allocated memory is still 94.4MB. Free memory was 68.9MB in the beginning and 57.9MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-09-15 20:09:49,511 INFO L158 Benchmark]: TraceAbstraction took 690.35ms. Allocated memory is still 94.4MB. Free memory was 57.1MB in the beginning and 45.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB.
[2024-09-15 20:09:49,514 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* Witness Parser took 0.24ms. Allocated memory is still 41.9MB. Free memory was 25.9MB in the beginning and 25.8MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB.
* CDTParser took 0.71ms. Allocated memory is still 41.9MB. Free memory was 23.9MB in the beginning and 23.8MB in the end (delta: 70.1kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 240.82ms. Allocated memory was 58.7MB in the beginning and 94.4MB in the end (delta: 35.7MB). Free memory was 34.0MB in the beginning and 72.4MB in the end (delta: -38.4MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 28.95ms. Allocated memory is still 94.4MB. Free memory was 72.4MB in the beginning and 70.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 32.62ms. Allocated memory is still 94.4MB. Free memory was 70.9MB in the beginning and 69.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 392.11ms. Allocated memory is still 94.4MB. Free memory was 68.9MB in the beginning and 57.9MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 690.35ms. Allocated memory is still 94.4MB. Free memory was 57.1MB in the beginning and 45.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB.
* 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: 9]: procedure precondition always holds
For all program executions holds that procedure precondition always holds at this location
- PositiveResult [Line: 11]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- PositiveResult [Line: 9]: procedure postcondition always holds
For all program executions holds that procedure postcondition always holds at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 18 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 67 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 44 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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
3 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-09-15 20:09:49,556 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE