./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_unwindbound20.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/prod4br-ll_unwindbound20.yml/witness.yml --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version 26998269
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_unwindbound20.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/prod4br-ll_unwindbound20.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements
--- Real Ultimate output ---
This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-2699826-m
[2024-08-14 14:32:04,301 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-08-14 14:32:04,339 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-08-14 14:32:04,342 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-08-14 14:32:04,343 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-08-14 14:32:04,358 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-08-14 14:32:04,358 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-08-14 14:32:04,359 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-08-14 14:32:04,359 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-08-14 14:32:04,360 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-08-14 14:32:04,360 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-08-14 14:32:04,361 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-08-14 14:32:04,361 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-08-14 14:32:04,361 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-08-14 14:32:04,362 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-08-14 14:32:04,363 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-08-14 14:32:04,363 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-08-14 14:32:04,363 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-08-14 14:32:04,366 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-08-14 14:32:04,366 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-08-14 14:32:04,366 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-08-14 14:32:04,366 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-08-14 14:32:04,367 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-08-14 14:32:04,367 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-08-14 14:32:04,367 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-08-14 14:32:04,367 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-08-14 14:32:04,367 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-08-14 14:32:04,368 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-08-14 14:32:04,368 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-08-14 14:32:04,368 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-08-14 14:32:04,369 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-08-14 14:32:04,369 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-08-14 14:32:04,369 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-08-14 14:32:04,370 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-08-14 14:32:04,370 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-08-14 14:32:04,370 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-08-14 14:32:04,371 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-08-14 14:32:04,371 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-08-14 14:32:04,371 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-08-14 14:32:04,372 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-08-14 14:32:04,372 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-08-14 14:32:04,372 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-08-14 14:32:04,372 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-08-14 14:32:04,372 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements
[2024-08-14 14:32:04,574 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-08-14 14:32:04,608 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-08-14 14:32:04,610 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-08-14 14:32:04,611 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-08-14 14:32:04,611 INFO  L274        PluginConnector]: CDTParser initialized
[2024-08-14 14:32:04,612 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_unwindbound20.c
[2024-08-14 14:32:05,939 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-08-14 14:32:06,093 INFO  L384              CDTParser]: Found 1 translation units.
[2024-08-14 14:32:06,094 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_unwindbound20.c
[2024-08-14 14:32:06,100 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/387ea1e91/e9638d3fcc344976bea4b9ea373a76a7/FLAG4d3287dde
[2024-08-14 14:32:06,504 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/387ea1e91/e9638d3fcc344976bea4b9ea373a76a7
[2024-08-14 14:32:06,506 INFO  L270        PluginConnector]: Initializing Witness Parser...
[2024-08-14 14:32:06,507 INFO  L274        PluginConnector]: Witness Parser initialized
[2024-08-14 14:32:06,508 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/prod4br-ll_unwindbound20.yml/witness.yml
[2024-08-14 14:32:06,715 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-08-14 14:32:06,716 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2024-08-14 14:32:06,717 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-08-14 14:32:06,717 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-08-14 14:32:06,725 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-08-14 14:32:06,725 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:32:06" (1/2) ...
[2024-08-14 14:32:06,726 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b37141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:32:06, skipping insertion in model container
[2024-08-14 14:32:06,726 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:32:06" (1/2) ...
[2024-08-14 14:32:06,727 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5c6c5562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:32:06, skipping insertion in model container
[2024-08-14 14:32:06,727 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:32:06" (2/2) ...
[2024-08-14 14:32:06,728 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b37141 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:06, skipping insertion in model container
[2024-08-14 14:32:06,728 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:32:06" (2/2) ...
[2024-08-14 14:32:06,750 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-08-14 14:32:06,970 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_unwindbound20.c[524,537]
[2024-08-14 14:32:07,007 INFO  L207          PostProcessor]: Analyzing one entry point: main
[2024-08-14 14:32:07,020 INFO  L200         MainTranslator]: Completed pre-run
[2024-08-14 14:32:07,036 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_unwindbound20.c[524,537]
[2024-08-14 14:32:07,049 INFO  L207          PostProcessor]: Analyzing one entry point: main
[2024-08-14 14:32:07,065 INFO  L204         MainTranslator]: Completed translation
[2024-08-14 14:32:07,065 INFO  L201        PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:07 WrapperNode
[2024-08-14 14:32:07,066 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-08-14 14:32:07,066 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-08-14 14:32:07,066 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-08-14 14:32:07,066 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-08-14 14:32:07,078 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:07" (1/1) ...
[2024-08-14 14:32:07,078 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:07" (1/1) ...
[2024-08-14 14:32:07,090 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:07" (1/1) ...
[2024-08-14 14:32:07,118 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].
[2024-08-14 14:32:07,119 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:07" (1/1) ...
[2024-08-14 14:32:07,119 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:07" (1/1) ...
[2024-08-14 14:32:07,126 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:07" (1/1) ...
[2024-08-14 14:32:07,127 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:07" (1/1) ...
[2024-08-14 14:32:07,128 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:07" (1/1) ...
[2024-08-14 14:32:07,132 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-08-14 14:32:07,133 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2024-08-14 14:32:07,133 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2024-08-14 14:32:07,133 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2024-08-14 14:32:07,133 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:07" (1/1) ...
[2024-08-14 14:32:07,146 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-08-14 14:32:07,162 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-08-14 14:32:07,186 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-08-14 14:32:07,190 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-08-14 14:32:07,255 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2024-08-14 14:32:07,256 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-08-14 14:32:07,256 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2024-08-14 14:32:07,256 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-08-14 14:32:07,260 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-08-14 14:32:07,260 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2024-08-14 14:32:07,260 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2024-08-14 14:32:07,260 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2024-08-14 14:32:07,260 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2024-08-14 14:32:07,260 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-08-14 14:32:07,260 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2024-08-14 14:32:07,261 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-08-14 14:32:07,261 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-08-14 14:32:07,261 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2024-08-14 14:32:07,261 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2024-08-14 14:32:07,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-08-14 14:32:07,261 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-08-14 14:32:07,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#0
[2024-08-14 14:32:07,262 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#0
[2024-08-14 14:32:07,262 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-08-14 14:32:07,360 INFO  L273             CfgBuilder]: Building ICFG
[2024-08-14 14:32:07,362 INFO  L304             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-08-14 14:32:07,618 INFO  L?                        ?]: Removed 4 outVars from TransFormulas that were not future-live.
[2024-08-14 14:32:07,619 INFO  L327             CfgBuilder]: Performing block encoding
[2024-08-14 14:32:07,626 INFO  L349             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-08-14 14:32:07,629 INFO  L354             CfgBuilder]: Removed 0 assume(true) statements.
[2024-08-14 14:32:07,631 INFO  L201        PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:32:07 BoogieIcfgContainer
[2024-08-14 14:32:07,631 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2024-08-14 14:32:07,633 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-08-14 14:32:07,635 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-08-14 14:32:07,637 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-08-14 14:32:07,638 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:32:06" (1/4) ...
[2024-08-14 14:32:07,638 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a1b8c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:32:07, skipping insertion in model container
[2024-08-14 14:32:07,638 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:32:06" (2/4) ...
[2024-08-14 14:32:07,639 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a1b8c1d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:32:07, skipping insertion in model container
[2024-08-14 14:32:07,639 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:07" (3/4) ...
[2024-08-14 14:32:07,640 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a1b8c1d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:32:07, skipping insertion in model container
[2024-08-14 14:32:07,640 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:32:07" (4/4) ...
[2024-08-14 14:32:07,641 INFO  L119   eAbstractionObserver]: Analyzing ICFG prod4br-ll_unwindbound20.c
[2024-08-14 14:32:07,642 WARN  L130   eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness
[2024-08-14 14:32:07,661 INFO  L221   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-08-14 14:32:07,662 INFO  L180   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-08-14 14:32:07,706 INFO  L92            WitnessUtils]: Constructing product of automaton with 33 states and violation witness of the following lengths: [127]
[2024-08-14 14:32:07,709 INFO  L82        GeneralOperation]: Start removeDeadEnds. Operand  has 33 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 22 states have internal predecessors, (30), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-08-14 14:32:07,870 INFO  L88        GeneralOperation]: Finished removeDeadEnds. Reduced from 2030 states to 0 states.
[2024-08-14 14:32:07,883 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-08-14 14:32:07,888 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@55a9958e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-08-14 14:32:07,888 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-08-14 14:32:07,890 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states.
[2024-08-14 14:32:07,890 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-08-14 14:32:07,891 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-08-14 14:32:07,895 INFO  L445         BasicCegarLoop]: Path program histogram: []
[2024-08-14 14:32:07,896 INFO  L196   ceAbstractionStarter]: Computing trace abstraction results
[2024-08-14 14:32:07,898 INFO  L201        PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:32:07 BoogieIcfgContainer
[2024-08-14 14:32:07,898 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-08-14 14:32:07,899 INFO  L158              Benchmark]: Toolchain (without parser) took 1183.01ms. Allocated memory is still 161.5MB. Free memory was 85.9MB in the beginning and 59.7MB in the end (delta: 26.2MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB.
[2024-08-14 14:32:07,899 INFO  L158              Benchmark]: CDTParser took 0.32ms. Allocated memory is still 161.5MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-08-14 14:32:07,900 INFO  L158              Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-08-14 14:32:07,900 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 348.86ms. Allocated memory is still 161.5MB. Free memory was 85.8MB in the beginning and 127.7MB in the end (delta: -42.0MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB.
[2024-08-14 14:32:07,900 INFO  L158              Benchmark]: Boogie Preprocessor took 65.99ms. Allocated memory is still 161.5MB. Free memory was 127.7MB in the beginning and 125.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-08-14 14:32:07,901 INFO  L158              Benchmark]: IcfgBuilder took 498.75ms. Allocated memory is still 161.5MB. Free memory was 125.7MB in the beginning and 111.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-08-14 14:32:07,901 INFO  L158              Benchmark]: TraceAbstraction took 265.07ms. Allocated memory is still 161.5MB. Free memory was 111.0MB in the beginning and 59.7MB in the end (delta: 51.2MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB.
[2024-08-14 14:32:07,903 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.32ms. Allocated memory is still 161.5MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 16.1GB.
 * Witness Parser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 348.86ms. Allocated memory is still 161.5MB. Free memory was 85.8MB in the beginning and 127.7MB in the end (delta: -42.0MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 65.99ms. Allocated memory is still 161.5MB. Free memory was 127.7MB in the beginning and 125.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * IcfgBuilder took 498.75ms. Allocated memory is still 161.5MB. Free memory was 125.7MB in the beginning and 111.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
 * TraceAbstraction took 265.07ms. Allocated memory is still 161.5MB. Free memory was 111.0MB in the beginning and 59.7MB in the end (delta: 51.2MB). Peak memory consumption was 52.4MB. 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: 14]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 6 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-08-14 14:32:07,930 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE