This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m
[2024-09-20 13:38:38,432 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-09-20 13:38:38,511 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-09-20 13:38:38,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-09-20 13:38:38,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-20 13:38:38,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-20 13:38:38,541 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-20 13:38:38,541 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-20 13:38:38,541 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-20 13:38:38,542 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-09-20 13:38:38,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-20 13:38:38,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-20 13:38:38,544 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-20 13:38:38,549 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-09-20 13:38:38,549 INFO L153 SettingsManager]: * Use SBE=true
[2024-09-20 13:38:38,550 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-20 13:38:38,550 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-09-20 13:38:38,550 INFO L153 SettingsManager]: * sizeof long=4
[2024-09-20 13:38:38,550 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-09-20 13:38:38,550 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-09-20 13:38:38,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-09-20 13:38:38,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-09-20 13:38:38,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-20 13:38:38,553 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-09-20 13:38:38,553 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-09-20 13:38:38,553 INFO L153 SettingsManager]: * sizeof long double=12
[2024-09-20 13:38:38,553 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-09-20 13:38:38,554 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-09-20 13:38:38,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-20 13:38:38,554 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-09-20 13:38:38,555 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-09-20 13:38:38,555 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-09-20 13:38:38,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-20 13:38:38,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-20 13:38:38,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-09-20 13:38:38,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-20 13:38:38,557 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-09-20 13:38:38,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-20 13:38:38,558 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-20 13:38:38,559 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-20 13:38:38,559 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-09-20 13:38:38,559 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-20 13:38:38,559 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-20 13:38:38,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-20 13:38:38,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-20 13:38:38,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-20 13:38:38,811 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-09-20 13:38:38,811 INFO L274 PluginConnector]: CDTParser initialized
[2024-09-20 13:38:38,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i
[2024-09-20 13:38:40,238 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-09-20 13:38:40,414 INFO L384 CDTParser]: Found 1 translation units.
[2024-09-20 13:38:40,414 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i
[2024-09-20 13:38:40,421 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/3c36df375/44976eca1ab64b06bf5e0f5a169e912e/FLAGff1d2819a
[2024-09-20 13:38:40,435 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/3c36df375/44976eca1ab64b06bf5e0f5a169e912e
[2024-09-20 13:38:40,438 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-09-20 13:38:40,439 INFO L274 PluginConnector]: Witness Parser initialized
[2024-09-20 13:38:40,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../results/automizer-verification-files/SV-COMP24_unreach-call/knuth_valuebound1.yml/witness-2.1.yml
[2024-09-20 13:38:40,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-20 13:38:40,494 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2024-09-20 13:38:40,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-20 13:38:40,495 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-20 13:38:40,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-20 13:38:40,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:38:40" (1/2) ...
[2024-09-20 13:38:40,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@503a77f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:38:40, skipping insertion in model container
[2024-09-20 13:38:40,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:38:40" (1/2) ...
[2024-09-20 13:38:40,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b5279a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:38:40, skipping insertion in model container
[2024-09-20 13:38:40,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:38:40" (2/2) ...
[2024-09-20 13:38:40,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@503a77f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:38:40, skipping insertion in model container
[2024-09-20 13:38:40,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:38:40" (2/2) ...
[2024-09-20 13:38:40,516 INFO L93 nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-20 13:38:40,517 INFO L1541 ArrayList]: Loop invariant at [L41-L71] 0
[2024-09-20 13:38:40,517 INFO L1541 ArrayList]: Function contract at [L18]: requires 0, ensures 0
[2024-09-20 13:38:40,517 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (0 != \old(cond))
[2024-09-20 13:38:40,539 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-09-20 13:38:40,718 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/nla-digbench-scaling/knuth_valuebound1.i[948,961]
[2024-09-20 13:38:40,738 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception:
java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2721)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:253)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1586)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:789)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1494)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1150)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1133)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:387)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1613)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3471)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2497)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:639)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.<init>(MainTranslator.java:94)
at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2024-09-20 13:38:40,743 INFO L158 Benchmark]: Toolchain (without parser) took 248.83ms. Allocated memory is still 163.6MB. Free memory was 93.8MB in the beginning and 133.9MB in the end (delta: -40.1MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB.
[2024-09-20 13:38:40,743 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-20 13:38:40,744 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 163.6MB. Free memory was 95.8MB in the beginning and 95.6MB in the end (delta: 148.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-20 13:38:40,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.65ms. Allocated memory is still 163.6MB. Free memory was 93.5MB in the beginning and 133.9MB in the end (delta: -40.4MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB.
[2024-09-20 13:38:40,746 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB.
* Witness Parser took 0.11ms. Allocated memory is still 163.6MB. Free memory was 95.8MB in the beginning and 95.6MB in the end (delta: 148.8kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 246.65ms. Allocated memory is still 163.6MB. Free memory was 93.5MB in the beginning and 133.9MB in the end (delta: -40.4MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt
de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...
### Bit-precise run ###
This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m
[2024-09-20 13:38:42,680 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-09-20 13:38:42,766 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-09-20 13:38:42,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-09-20 13:38:42,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-20 13:38:42,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-20 13:38:42,803 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-20 13:38:42,804 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-20 13:38:42,805 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-20 13:38:42,806 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-09-20 13:38:42,807 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-20 13:38:42,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-20 13:38:42,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-20 13:38:42,811 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-09-20 13:38:42,811 INFO L153 SettingsManager]: * Use SBE=true
[2024-09-20 13:38:42,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-20 13:38:42,812 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-09-20 13:38:42,812 INFO L153 SettingsManager]: * sizeof long=4
[2024-09-20 13:38:42,812 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-09-20 13:38:42,813 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-09-20 13:38:42,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-09-20 13:38:42,816 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-20 13:38:42,816 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-09-20 13:38:42,817 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-09-20 13:38:42,817 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-09-20 13:38:42,817 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-09-20 13:38:42,817 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-09-20 13:38:42,818 INFO L153 SettingsManager]: * sizeof long double=12
[2024-09-20 13:38:42,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-09-20 13:38:42,818 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-09-20 13:38:42,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-20 13:38:42,819 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-09-20 13:38:42,820 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-09-20 13:38:42,820 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-09-20 13:38:42,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-20 13:38:42,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-20 13:38:42,821 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-09-20 13:38:42,822 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-20 13:38:42,822 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-09-20 13:38:42,822 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-09-20 13:38:42,823 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-20 13:38:42,823 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-20 13:38:42,823 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-09-20 13:38:42,823 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-20 13:38:42,824 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2024-09-20 13:38:42,824 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-20 13:38:43,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-20 13:38:43,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-20 13:38:43,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-20 13:38:43,168 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-09-20 13:38:43,169 INFO L274 PluginConnector]: CDTParser initialized
[2024-09-20 13:38:43,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i
[2024-09-20 13:38:44,739 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-09-20 13:38:44,934 INFO L384 CDTParser]: Found 1 translation units.
[2024-09-20 13:38:44,937 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i
[2024-09-20 13:38:44,946 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/c231d07fb/bf43a806cd9c469998d24667e8a71ad3/FLAG9759fa726
[2024-09-20 13:38:44,964 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/c231d07fb/bf43a806cd9c469998d24667e8a71ad3
[2024-09-20 13:38:44,967 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-09-20 13:38:44,968 INFO L274 PluginConnector]: Witness Parser initialized
[2024-09-20 13:38:44,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../results/automizer-verification-files/SV-COMP24_unreach-call/knuth_valuebound1.yml/witness-2.1.yml
[2024-09-20 13:38:45,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-20 13:38:45,024 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2024-09-20 13:38:45,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-20 13:38:45,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-20 13:38:45,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-20 13:38:45,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:38:44" (1/2) ...
[2024-09-20 13:38:45,034 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3faa4b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:38:45, skipping insertion in model container
[2024-09-20 13:38:45,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:38:44" (1/2) ...
[2024-09-20 13:38:45,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@40248f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:38:45, skipping insertion in model container
[2024-09-20 13:38:45,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:38:45" (2/2) ...
[2024-09-20 13:38:45,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3faa4b30 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:38:45, skipping insertion in model container
[2024-09-20 13:38:45,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:38:45" (2/2) ...
[2024-09-20 13:38:45,051 INFO L93 nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-20 13:38:45,055 INFO L1541 ArrayList]: Loop invariant at [L41-L71] 0
[2024-09-20 13:38:45,056 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (0 != \old(cond))
[2024-09-20 13:38:45,056 INFO L1541 ArrayList]: Function contract at [L18]: requires 0, ensures 0
[2024-09-20 13:38:45,087 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-09-20 13:38:45,262 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/nla-digbench-scaling/knuth_valuebound1.i[948,961]
[2024-09-20 13:38:45,308 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-20 13:38:45,327 INFO L200 MainTranslator]: Completed pre-run
Start Parsing Global
Start Parsing Global
Start Parsing Global
[2024-09-20 13:38:45,366 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/nla-digbench-scaling/knuth_valuebound1.i[948,961]
Start Parsing Local
[2024-09-20 13:38:45,391 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-20 13:38:45,410 INFO L204 MainTranslator]: Completed translation
[2024-09-20 13:38:45,411 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:38:45 WrapperNode
[2024-09-20 13:38:45,411 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-20 13:38:45,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-09-20 13:38:45,412 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-09-20 13:38:45,412 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-09-20 13:38:45,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:38:45" (1/1) ...
[2024-09-20 13:38:45,426 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:38:45" (1/1) ...
[2024-09-20 13:38:45,446 INFO L138 Inliner]: procedures = 18, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75
[2024-09-20 13:38:45,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-09-20 13:38:45,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-20 13:38:45,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-20 13:38:45,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-09-20 13:38:45,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:38:45" (1/1) ...
[2024-09-20 13:38:45,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:38:45" (1/1) ...
[2024-09-20 13:38:45,458 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:38:45" (1/1) ...
[2024-09-20 13:38:45,465 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification
[2024-09-20 13:38:45,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:38:45" (1/1) ...
[2024-09-20 13:38:45,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:38:45" (1/1) ...
[2024-09-20 13:38:45,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:38:45" (1/1) ...
[2024-09-20 13:38:45,479 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:38:45" (1/1) ...
[2024-09-20 13:38:45,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:38:45" (1/1) ...
[2024-09-20 13:38:45,482 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:38:45" (1/1) ...
[2024-09-20 13:38:45,485 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-20 13:38:45,486 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-20 13:38:45,486 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-09-20 13:38:45,486 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-09-20 13:38:45,487 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:38:45" (1/1) ...
[2024-09-20 13:38:45,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-20 13:38:45,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3
[2024-09-20 13:38:45,519 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)
[2024-09-20 13:38:45,526 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
[2024-09-20 13:38:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-20 13:38:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2024-09-20 13:38:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-09-20 13:38:45,573 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-09-20 13:38:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-20 13:38:45,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-20 13:38:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-09-20 13:38:45,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-09-20 13:38:45,652 INFO L242 CfgBuilder]: Building ICFG
[2024-09-20 13:38:45,654 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-20 13:38:50,613 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-09-20 13:38:50,739 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live.
[2024-09-20 13:38:50,739 INFO L291 CfgBuilder]: Performing block encoding
[2024-09-20 13:38:50,770 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-20 13:38:50,771 INFO L318 CfgBuilder]: Removed 1 assume(true) statements.
[2024-09-20 13:38:50,771 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:38:50 BoogieIcfgContainer
[2024-09-20 13:38:50,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-20 13:38:50,773 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-09-20 13:38:50,774 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-09-20 13:38:50,777 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-09-20 13:38:50,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:38:44" (1/4) ...
[2024-09-20 13:38:50,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@591983fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:38:50, skipping insertion in model container
[2024-09-20 13:38:50,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:38:45" (2/4) ...
[2024-09-20 13:38:50,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@591983fe and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 20.09 01:38:50, skipping insertion in model container
[2024-09-20 13:38:50,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:38:45" (3/4) ...
[2024-09-20 13:38:50,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@591983fe and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 20.09 01:38:50, skipping insertion in model container
[2024-09-20 13:38:50,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:38:50" (4/4) ...
[2024-09-20 13:38:50,782 INFO L112 eAbstractionObserver]: Analyzing ICFG knuth_valuebound1.i
[2024-09-20 13:38:50,798 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-09-20 13:38:50,798 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2024-09-20 13:38:50,839 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-09-20 13:38:50,845 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;@58ddba35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-09-20 13:38:50,845 INFO L337 AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2024-09-20 13:38:50,849 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 25 states have internal predecessors, (33), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-09-20 13:38:50,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-09-20 13:38:50,856 INFO L208 NwaCegarLoop]: Found error trace
[2024-09-20 13:38:50,857 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-09-20 13:38:50,857 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1REQUIRES_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2REQUIRES_VIOLATIONPRE_CONDITION (and 5 more)] ===
[2024-09-20 13:38:50,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-09-20 13:38:50,862 INFO L85 PathProgramCache]: Analyzing trace with hash 118743053, now seen corresponding path program 1 times
[2024-09-20 13:38:50,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-09-20 13:38:50,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [147148376]
[2024-09-20 13:38:50,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-20 13:38:50,876 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
[2024-09-20 13:38:50,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/mathsat
[2024-09-20 13:38:50,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/certificate-witnesses-artifact/automizer/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)
[2024-09-20 13:38:50,881 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/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
[2024-09-20 13:38:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-20 13:38:50,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-09-20 13:38:50,942 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-09-20 13:38:50,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-20 13:38:50,962 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-09-20 13:38:50,962 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-09-20 13:38:50,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [147148376]
[2024-09-20 13:38:50,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [147148376] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-20 13:38:50,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-20 13:38:50,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-09-20 13:38:50,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328299059]
[2024-09-20 13:38:50,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-20 13:38:50,970 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-09-20 13:38:50,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-09-20 13:38:51,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-09-20 13:38:51,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-09-20 13:38:51,021 INFO L87 Difference]: Start difference. First operand has 36 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 25 states have internal predecessors, (33), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:38:51,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-20 13:38:51,066 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions.
[2024-09-20 13:38:51,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-09-20 13:38:51,069 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5
[2024-09-20 13:38:51,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-20 13:38:51,075 INFO L225 Difference]: With dead ends: 14
[2024-09-20 13:38:51,075 INFO L226 Difference]: Without dead ends: 14
[2024-09-20 13:38:51,077 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-09-20 13:38:51,082 INFO L434 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-20 13:38:51,083 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-20 13:38:51,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states.
[2024-09-20 13:38:51,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14.
[2024-09-20 13:38:51,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 8 states have internal predecessors, (8), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-09-20 13:38:51,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions.
[2024-09-20 13:38:51,116 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 5
[2024-09-20 13:38:51,117 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-09-20 13:38:51,117 INFO L474 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions.
[2024-09-20 13:38:51,117 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:38:51,118 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions.
[2024-09-20 13:38:51,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-09-20 13:38:51,118 INFO L208 NwaCegarLoop]: Found error trace
[2024-09-20 13:38:51,118 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-09-20 13:38:51,124 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/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
[2024-09-20 13:38:51,318 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/certificate-witnesses-artifact/automizer/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
[2024-09-20 13:38:51,319 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1REQUIRES_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2REQUIRES_VIOLATIONPRE_CONDITION (and 5 more)] ===
[2024-09-20 13:38:51,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-09-20 13:38:51,320 INFO L85 PathProgramCache]: Analyzing trace with hash 118743115, now seen corresponding path program 1 times
[2024-09-20 13:38:51,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-09-20 13:38:51,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1654249231]
[2024-09-20 13:38:51,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-20 13:38:51,321 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
[2024-09-20 13:38:51,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/mathsat
[2024-09-20 13:38:51,324 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/certificate-witnesses-artifact/automizer/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)
[2024-09-20 13:38:51,343 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/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
[2024-09-20 13:38:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-20 13:38:51,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-09-20 13:38:51,381 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-09-20 13:38:51,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-20 13:38:51,718 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-09-20 13:38:51,718 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-09-20 13:38:51,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1654249231]
[2024-09-20 13:38:51,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1654249231] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-20 13:38:51,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-20 13:38:51,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-09-20 13:38:51,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479724824]
[2024-09-20 13:38:51,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-20 13:38:51,720 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-09-20 13:38:51,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-09-20 13:38:51,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-09-20 13:38:51,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-09-20 13:38:51,721 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:38:52,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-20 13:38:52,361 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions.
[2024-09-20 13:38:52,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-09-20 13:38:52,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5
[2024-09-20 13:38:52,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-20 13:38:52,362 INFO L225 Difference]: With dead ends: 13
[2024-09-20 13:38:52,362 INFO L226 Difference]: Without dead ends: 13
[2024-09-20 13:38:52,363 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-09-20 13:38:52,364 INFO L434 NwaCegarLoop]: 8 mSDtfsCounter, 1 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-09-20 13:38:52,365 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 14 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-09-20 13:38:52,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states.
[2024-09-20 13:38:52,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13.
[2024-09-20 13:38:52,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-09-20 13:38:52,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions.
[2024-09-20 13:38:52,370 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 5
[2024-09-20 13:38:52,370 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-09-20 13:38:52,370 INFO L474 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions.
[2024-09-20 13:38:52,370 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:38:52,370 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions.
[2024-09-20 13:38:52,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2024-09-20 13:38:52,371 INFO L208 NwaCegarLoop]: Found error trace
[2024-09-20 13:38:52,371 INFO L216 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-09-20 13:38:52,374 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/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
[2024-09-20 13:38:52,571 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/certificate-witnesses-artifact/automizer/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
[2024-09-20 13:38:52,572 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1REQUIRES_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2REQUIRES_VIOLATIONPRE_CONDITION (and 5 more)] ===
[2024-09-20 13:38:52,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-09-20 13:38:52,573 INFO L85 PathProgramCache]: Analyzing trace with hash -949032978, now seen corresponding path program 1 times
[2024-09-20 13:38:52,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-09-20 13:38:52,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865971782]
[2024-09-20 13:38:52,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-20 13:38:52,574 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
[2024-09-20 13:38:52,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/mathsat
[2024-09-20 13:38:52,577 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/certificate-witnesses-artifact/automizer/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)
[2024-09-20 13:38:52,578 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/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
[2024-09-20 13:38:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-20 13:38:52,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-09-20 13:38:52,772 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-09-20 13:38:53,603 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-09-20 13:38:53,604 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-09-20 13:38:55,535 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-09-20 13:38:55,536 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-09-20 13:38:55,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865971782]
[2024-09-20 13:38:55,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [865971782] provided 0 perfect and 2 imperfect interpolant sequences
[2024-09-20 13:38:55,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-09-20 13:38:55,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2024-09-20 13:38:55,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666300739]
[2024-09-20 13:38:55,537 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-09-20 13:38:55,538 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-09-20 13:38:55,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-09-20 13:38:55,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-09-20 13:38:55,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-09-20 13:38:55,542 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 7 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7)
[2024-09-20 13:38:56,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-20 13:38:56,414 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions.
[2024-09-20 13:38:56,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-09-20 13:38:56,414 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) Word has length 24
[2024-09-20 13:38:56,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-20 13:38:56,415 INFO L225 Difference]: With dead ends: 10
[2024-09-20 13:38:56,415 INFO L226 Difference]: Without dead ends: 0
[2024-09-20 13:38:56,415 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-09-20 13:38:56,416 INFO L434 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-09-20 13:38:56,416 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-09-20 13:38:56,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-09-20 13:38:56,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-09-20 13:38:56,418 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)
[2024-09-20 13:38:56,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-09-20 13:38:56,418 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24
[2024-09-20 13:38:56,418 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-09-20 13:38:56,418 INFO L474 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-09-20 13:38:56,419 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7)
[2024-09-20 13:38:56,419 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-09-20 13:38:56,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-09-20 13:38:56,423 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 8 remaining)
[2024-09-20 13:38:56,423 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONPRE_CONDITION (6 of 8 remaining)
[2024-09-20 13:38:56,424 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2REQUIRES_VIOLATIONPRE_CONDITION (5 of 8 remaining)
[2024-09-20 13:38:56,424 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONPRE_CONDITION (4 of 8 remaining)
[2024-09-20 13:38:56,424 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4REQUIRES_VIOLATIONPRE_CONDITION (3 of 8 remaining)
[2024-09-20 13:38:56,425 INFO L785 garLoopResultBuilder]: Registering result SAFE for location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION (2 of 8 remaining)
[2024-09-20 13:38:56,425 INFO L785 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 8 remaining)
[2024-09-20 13:38:56,425 INFO L785 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION (0 of 8 remaining)
[2024-09-20 13:38:56,439 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/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 0
[2024-09-20 13:38:56,625 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/certificate-witnesses-artifact/automizer/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
[2024-09-20 13:38:56,629 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-09-20 13:38:56,630 INFO L165 ceAbstractionStarter]: Computing trace abstraction results
[2024-09-20 13:38:56,632 INFO L469 ceAbstractionStarter]: Automizer considered 1 witness invariants
[2024-09-20 13:38:56,633 INFO L470 ceAbstractionStarter]: WitnessConsidered=1
[2024-09-20 13:38:56,633 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:38:56 BoogieIcfgContainer
[2024-09-20 13:38:56,634 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-09-20 13:38:56,634 INFO L158 Benchmark]: Toolchain (without parser) took 11610.16ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 36.2MB in the beginning and 41.9MB in the end (delta: -5.7MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB.
[2024-09-20 13:38:56,635 INFO L158 Benchmark]: CDTParser took 1.00ms. Allocated memory is still 52.4MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-20 13:38:56,635 INFO L158 Benchmark]: Witness Parser took 1.11ms. Allocated memory is still 71.3MB. Free memory is still 38.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-20 13:38:56,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.75ms. Allocated memory is still 71.3MB. Free memory was 36.0MB in the beginning and 38.4MB in the end (delta: -2.3MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB.
[2024-09-20 13:38:56,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.61ms. Allocated memory is still 71.3MB. Free memory was 38.2MB in the beginning and 36.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-20 13:38:56,636 INFO L158 Benchmark]: Boogie Preprocessor took 37.93ms. Allocated memory is still 71.3MB. Free memory was 36.3MB in the beginning and 34.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-20 13:38:56,636 INFO L158 Benchmark]: RCFGBuilder took 5285.81ms. Allocated memory is still 71.3MB. Free memory was 34.2MB in the beginning and 38.9MB in the end (delta: -4.8MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB.
[2024-09-20 13:38:56,637 INFO L158 Benchmark]: TraceAbstraction took 5860.35ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 38.2MB in the beginning and 41.9MB in the end (delta: -3.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB.
[2024-09-20 13:38:56,639 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.00ms. Allocated memory is still 52.4MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB.
* Witness Parser took 1.11ms. Allocated memory is still 71.3MB. Free memory is still 38.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 384.75ms. Allocated memory is still 71.3MB. Free memory was 36.0MB in the beginning and 38.4MB in the end (delta: -2.3MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 34.61ms. Allocated memory is still 71.3MB. Free memory was 38.2MB in the beginning and 36.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 37.93ms. Allocated memory is still 71.3MB. Free memory was 36.3MB in the beginning and 34.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 5285.81ms. Allocated memory is still 71.3MB. Free memory was 34.2MB in the beginning and 38.9MB in the end (delta: -4.8MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB.
* TraceAbstraction took 5860.35ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 38.2MB in the beginning and 41.9MB in the end (delta: -3.7MB). Peak memory consumption was 9.6MB. 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: 41]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- PositiveResult [Line: 18]: procedure precondition always holds
For all program executions holds that procedure precondition always holds at this location
- PositiveResult [Line: 18]: procedure precondition always holds
For all program executions holds that procedure precondition always holds at this location
- PositiveResult [Line: 18]: procedure precondition always holds
For all program executions holds that procedure precondition always holds at this location
- PositiveResult [Line: 18]: procedure precondition always holds
For all program executions holds that procedure precondition always holds at this location
- PositiveResult [Line: 15]: procedure postcondition always holds
For all program executions holds that procedure postcondition always holds at this location
- PositiveResult [Line: 21]: 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: 18]: procedure postcondition always holds
For all program executions holds that procedure postcondition always holds at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 36 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 67 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 29 mSDtfsCounter, 67 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 0.2s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 111 SizeOfPredicates, 2 NumberOfNonLiveVariables, 105 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 42/48 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
8 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-09-20 13:38:56,814 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...