./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.yml/witness-2.1.yml --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version de325976
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None
--- Real Ultimate output ---
This is Ultimate 0.2.4-tmp.dk.referee-eval-de32597-m
[2024-09-17 19:39:20,348 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-09-17 19:39:20,433 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf
[2024-09-17 19:39:20,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-09-17 19:39:20,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-17 19:39:20,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-17 19:39:20,467 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-17 19:39:20,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-17 19:39:20,468 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-17 19:39:20,468 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-09-17 19:39:20,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-17 19:39:20,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-17 19:39:20,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-17 19:39:20,470 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-09-17 19:39:20,470 INFO L153 SettingsManager]: * Use SBE=true
[2024-09-17 19:39:20,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-17 19:39:20,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-09-17 19:39:20,471 INFO L153 SettingsManager]: * sizeof long=4
[2024-09-17 19:39:20,471 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-09-17 19:39:20,471 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-09-17 19:39:20,471 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-09-17 19:39:20,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-09-17 19:39:20,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-17 19:39:20,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-09-17 19:39:20,472 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-09-17 19:39:20,473 INFO L153 SettingsManager]: * sizeof long double=12
[2024-09-17 19:39:20,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-09-17 19:39:20,473 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-09-17 19:39:20,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-17 19:39:20,474 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-09-17 19:39:20,474 INFO L153 SettingsManager]: * Future-live optimization=false
[2024-09-17 19:39:20,474 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-09-17 19:39:20,474 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-09-17 19:39:20,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-17 19:39:20,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-17 19:39:20,475 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-09-17 19:39:20,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-17 19:39:20,476 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-09-17 19:39:20,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-17 19:39:20,476 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-17 19:39:20,476 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-17 19:39:20,477 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-09-17 19:39:20,477 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-17 19:39:20,477 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/referee/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-17 19:39:20,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-17 19:39:20,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-17 19:39:20,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-17 19:39:20,795 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-09-17 19:39:20,795 INFO L274 PluginConnector]: CDTParser initialized
[2024-09-17 19:39:20,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c
[2024-09-17 19:39:22,152 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-09-17 19:39:22,350 INFO L384 CDTParser]: Found 1 translation units.
[2024-09-17 19:39:22,351 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c
[2024-09-17 19:39:22,364 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/282c3bed2/9d62c8b2a7a74d0191dd79d51f1a757a/FLAG3aa80c6f1
[2024-09-17 19:39:22,380 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/282c3bed2/9d62c8b2a7a74d0191dd79d51f1a757a
[2024-09-17 19:39:22,384 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-09-17 19:39:22,385 INFO L274 PluginConnector]: Witness Parser initialized
[2024-09-17 19:39:22,386 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.yml/witness-2.1.yml
[2024-09-17 19:39:22,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-17 19:39:22,441 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements.
[2024-09-17 19:39:22,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-17 19:39:22,443 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-17 19:39:22,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-17 19:39:22,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:39:22" (1/2) ...
[2024-09-17 19:39:22,452 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475fa65f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:22, skipping insertion in model container
[2024-09-17 19:39:22,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:39:22" (1/2) ...
[2024-09-17 19:39:22,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7963a02f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:22, skipping insertion in model container
[2024-09-17 19:39:22,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:39:22" (2/2) ...
[2024-09-17 19:39:22,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475fa65f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:39:22, skipping insertion in model container
[2024-09-17 19:39:22,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:39:22" (2/2) ...
[2024-09-17 19:39:22,467 INFO L93 nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-17 19:39:22,468 INFO L1541 ArrayList]: Location invariant before [L24-L141] ((((2 * (main__x / 4294967296)) + main__x) % 3) < 1)
[2024-09-17 19:39:22,468 INFO L1541 ArrayList]: Location invariant before [L36-L112] ((((2 * (main__x / 4294967296)) + main__x) % 3) < 1)
[2024-09-17 19:39:22,469 INFO L1541 ArrayList]: Location invariant before [L42-L42] ((((2 * (main__x / 4294967296)) + main__x) % 3) < 1)
[2024-09-17 19:39:22,495 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-09-17 19:39:22,669 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/loop-industry-pattern/mod3.c.v+sep-reducer.c[2057,2070]
[2024-09-17 19:39:22,679 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-17 19:39:22,691 INFO L200 MainTranslator]: Completed pre-run
Start Parsing Local
[2024-09-17 19:39:22,747 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/loop-industry-pattern/mod3.c.v+sep-reducer.c[2057,2070]
Start Parsing Local
Start Parsing Local
[2024-09-17 19:39:22,754 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-17 19:39:22,774 INFO L204 MainTranslator]: Completed translation
[2024-09-17 19:39:22,775 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:39:22 WrapperNode
[2024-09-17 19:39:22,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-17 19:39:22,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-17 19:39:22,776 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-17 19:39:22,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-09-17 19:39:22,795 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 17.09 07:39:22" (1/1) ...
[2024-09-17 19:39:22,797 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 17.09 07:39:22" (1/1) ...
[2024-09-17 19:39:22,802 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 17.09 07:39:22" (1/1) ...
[2024-09-17 19:39:22,817 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-09-17 19:39:22,818 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 17.09 07:39:22" (1/1) ...
[2024-09-17 19:39:22,818 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 17.09 07:39:22" (1/1) ...
[2024-09-17 19:39:22,826 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 17.09 07:39:22" (1/1) ...
[2024-09-17 19:39:22,833 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 17.09 07:39:22" (1/1) ...
[2024-09-17 19:39:22,835 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 17.09 07:39:22" (1/1) ...
[2024-09-17 19:39:22,836 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 17.09 07:39:22" (1/1) ...
[2024-09-17 19:39:22,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-17 19:39:22,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-17 19:39:22,839 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-09-17 19:39:22,839 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-09-17 19:39:22,840 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 17.09 07:39:22" (1/1) ...
[2024-09-17 19:39:22,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-17 19:39:22,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3
[2024-09-17 19:39:22,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-09-17 19:39:22,890 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-09-17 19:39:22,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2024-09-17 19:39:22,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-17 19:39:22,930 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2024-09-17 19:39:22,930 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2024-09-17 19:39:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2024-09-17 19:39:22,931 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2024-09-17 19:39:22,931 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2024-09-17 19:39:22,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-17 19:39:22,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2024-09-17 19:39:22,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-09-17 19:39:22,932 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2024-09-17 19:39:22,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2024-09-17 19:39:22,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-09-17 19:39:22,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-17 19:39:22,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-09-17 19:39:22,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-09-17 19:39:22,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-09-17 19:39:23,021 INFO L242 CfgBuilder]: Building ICFG
[2024-09-17 19:39:23,024 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-17 19:39:23,325 INFO L291 CfgBuilder]: Performing block encoding
[2024-09-17 19:39:23,385 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-17 19:39:23,385 INFO L318 CfgBuilder]: Removed 0 assume(true) statements.
[2024-09-17 19:39:23,385 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:39:23 BoogieIcfgContainer
[2024-09-17 19:39:23,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-17 19:39:23,386 INFO L112 PluginConnector]: ------------------------Referee----------------------------
[2024-09-17 19:39:23,386 INFO L270 PluginConnector]: Initializing Referee...
[2024-09-17 19:39:23,387 INFO L274 PluginConnector]: Referee initialized
[2024-09-17 19:39:23,388 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:39:22" (1/4) ...
[2024-09-17 19:39:23,388 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@244783db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:39:23, skipping insertion in model container
[2024-09-17 19:39:23,388 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:39:22" (2/4) ...
[2024-09-17 19:39:23,389 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@244783db and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:39:23, skipping insertion in model container
[2024-09-17 19:39:23,389 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:39:22" (3/4) ...
[2024-09-17 19:39:23,389 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@244783db and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:39:23, skipping insertion in model container
[2024-09-17 19:39:23,389 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:39:23" (4/4) ...
[2024-09-17 19:39:23,390 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c
[2024-09-17 19:39:23,393 INFO L113 InvariantChecker]: Found 0 loops.
[2024-09-17 19:39:23,394 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges.
[2024-09-17 19:39:23,394 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 29 edges.
[2024-09-17 19:39:23,394 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges.
[2024-09-17 19:39:23,394 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges.
[2024-09-17 19:39:23,395 INFO L131 InvariantChecker]: Will check 4 loop-free subgraphs from procedure entry to error location
[2024-09-17 19:39:23,444 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 26 edges
[2024-09-17 19:39:23,445 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:39:23,446 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:39:23,446 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:39:23,450 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:39:23,452 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:39:23,578 INFO L101 BaseMinimizeStates]: Removed 62 edges and 16 locations by large block encoding
[2024-09-17 19:39:23,580 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:39:23,580 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:39:23,581 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:39:23,581 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:39:23,616 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 7 edges
[2024-09-17 19:39:23,638 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 29 edges
[2024-09-17 19:39:23,638 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:39:23,639 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:39:23,639 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:39:23,639 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:39:23,639 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:39:23,726 INFO L101 BaseMinimizeStates]: Removed 67 edges and 19 locations by large block encoding
[2024-09-17 19:39:23,727 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:39:23,728 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:39:23,728 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:39:23,728 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:39:23,747 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges
[2024-09-17 19:39:23,764 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 26 edges
[2024-09-17 19:39:23,764 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:39:23,765 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:39:23,765 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:39:23,765 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:39:23,765 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:39:23,919 INFO L101 BaseMinimizeStates]: Removed 65 edges and 16 locations by large block encoding
[2024-09-17 19:39:23,919 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:39:23,920 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:39:23,920 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:39:23,920 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:39:23,940 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges
[2024-09-17 19:39:23,941 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception:
java.lang.AssertionError: Either subgraph not acyclic or there is a bug
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.<init>(AcyclicSubgraphMerger.java:169)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.<init>(InvariantChecker.java:145)
at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.<init>(RefereeStarter.java:56)
at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80)
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)
[2024-09-17 19:39:23,947 INFO L158 Benchmark]: Toolchain (without parser) took 1505.17ms. Allocated memory is still 167.8MB. Free memory was 115.2MB in the beginning and 109.3MB in the end (delta: 5.9MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB.
[2024-09-17 19:39:23,948 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory was 59.6MB in the beginning and 59.6MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-17 19:39:23,948 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-17 19:39:23,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.76ms. Allocated memory is still 167.8MB. Free memory was 114.9MB in the beginning and 100.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-09-17 19:39:23,950 INFO L158 Benchmark]: Boogie Preprocessor took 62.49ms. Allocated memory is still 167.8MB. Free memory was 100.5MB in the beginning and 98.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-17 19:39:23,950 INFO L158 Benchmark]: RCFGBuilder took 546.46ms. Allocated memory is still 167.8MB. Free memory was 98.4MB in the beginning and 121.1MB in the end (delta: -22.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-09-17 19:39:23,951 INFO L158 Benchmark]: Referee took 559.07ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 109.3MB in the end (delta: 11.8MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB.
[2024-09-17 19:39:23,954 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee:
- ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug
de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.<init>(AcyclicSubgraphMerger.java:169)
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory was 59.6MB in the beginning and 59.6MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Parser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 332.76ms. Allocated memory is still 167.8MB. Free memory was 114.9MB in the beginning and 100.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 62.49ms. Allocated memory is still 167.8MB. Free memory was 100.5MB in the beginning and 98.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 546.46ms. Allocated memory is still 167.8MB. Free memory was 98.4MB in the beginning and 121.1MB in the end (delta: -22.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Referee took 559.07ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 109.3MB in the end (delta: 11.8MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-09-17 19:39:23,986 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None
--- Real Ultimate output ---
This is Ultimate 0.2.4-tmp.dk.referee-eval-de32597-m
[2024-09-17 19:39:26,238 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-09-17 19:39:26,320 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf
[2024-09-17 19:39:26,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-09-17 19:39:26,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-17 19:39:26,355 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-17 19:39:26,355 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-17 19:39:26,356 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-17 19:39:26,357 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-17 19:39:26,358 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-09-17 19:39:26,359 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-17 19:39:26,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-17 19:39:26,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-17 19:39:26,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-09-17 19:39:26,362 INFO L153 SettingsManager]: * Use SBE=true
[2024-09-17 19:39:26,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-17 19:39:26,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-09-17 19:39:26,363 INFO L153 SettingsManager]: * sizeof long=4
[2024-09-17 19:39:26,363 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-09-17 19:39:26,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-09-17 19:39:26,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-09-17 19:39:26,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-17 19:39:26,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-09-17 19:39:26,367 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-09-17 19:39:26,367 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-09-17 19:39:26,367 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-09-17 19:39:26,367 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-09-17 19:39:26,367 INFO L153 SettingsManager]: * sizeof long double=12
[2024-09-17 19:39:26,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-09-17 19:39:26,368 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-09-17 19:39:26,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-17 19:39:26,368 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-09-17 19:39:26,368 INFO L153 SettingsManager]: * Future-live optimization=false
[2024-09-17 19:39:26,369 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-09-17 19:39:26,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-09-17 19:39:26,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-17 19:39:26,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-17 19:39:26,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-09-17 19:39:26,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-17 19:39:26,370 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-09-17 19:39:26,371 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-09-17 19:39:26,371 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-17 19:39:26,371 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-17 19:39:26,371 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-09-17 19:39:26,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-17 19:39:26,372 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2024-09-17 19:39:26,372 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/certificate-witnesses-artifact/referee/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-17 19:39:26,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-17 19:39:26,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-17 19:39:26,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-17 19:39:26,738 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-09-17 19:39:26,738 INFO L274 PluginConnector]: Witness Parser initialized
[2024-09-17 19:39:26,740 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.yml/witness-2.1.yml
[2024-09-17 19:39:26,795 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-09-17 19:39:26,795 INFO L274 PluginConnector]: CDTParser initialized
[2024-09-17 19:39:26,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c
[2024-09-17 19:39:28,481 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-09-17 19:39:28,666 INFO L384 CDTParser]: Found 1 translation units.
[2024-09-17 19:39:28,669 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c
[2024-09-17 19:39:28,677 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/97cf3689c/99f373c06e374ff2bb355db2b8a6abac/FLAGca2bf0867
[2024-09-17 19:39:28,691 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/97cf3689c/99f373c06e374ff2bb355db2b8a6abac
[2024-09-17 19:39:28,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-17 19:39:28,693 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements.
[2024-09-17 19:39:28,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-17 19:39:28,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-17 19:39:28,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-17 19:39:28,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:39:26" (1/2) ...
[2024-09-17 19:39:28,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2783c24b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:39:28, skipping insertion in model container
[2024-09-17 19:39:28,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:39:26" (1/2) ...
[2024-09-17 19:39:28,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@41a8eebc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:39:28, skipping insertion in model container
[2024-09-17 19:39:28,706 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:39:28" (2/2) ...
[2024-09-17 19:39:28,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2783c24b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:28, skipping insertion in model container
[2024-09-17 19:39:28,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:39:28" (2/2) ...
[2024-09-17 19:39:28,717 INFO L93 nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-17 19:39:28,721 INFO L1541 ArrayList]: Location invariant before [L42-L42] ((((2 * (main__x / 4294967296)) + main__x) % 3) < 1)
[2024-09-17 19:39:28,721 INFO L1541 ArrayList]: Location invariant before [L36-L112] ((((2 * (main__x / 4294967296)) + main__x) % 3) < 1)
[2024-09-17 19:39:28,722 INFO L1541 ArrayList]: Location invariant before [L24-L141] ((((2 * (main__x / 4294967296)) + main__x) % 3) < 1)
[2024-09-17 19:39:28,745 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-09-17 19:39:28,942 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/loop-industry-pattern/mod3.c.v+sep-reducer.c[2057,2070]
[2024-09-17 19:39:28,956 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-17 19:39:28,978 INFO L200 MainTranslator]: Completed pre-run
Start Parsing Local
[2024-09-17 19:39:29,029 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/loop-industry-pattern/mod3.c.v+sep-reducer.c[2057,2070]
Start Parsing Local
Start Parsing Local
[2024-09-17 19:39:29,039 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-17 19:39:29,064 INFO L204 MainTranslator]: Completed translation
[2024-09-17 19:39:29,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:29 WrapperNode
[2024-09-17 19:39:29,065 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-17 19:39:29,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-17 19:39:29,066 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-17 19:39:29,066 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-09-17 19:39:29,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:29" (1/1) ...
[2024-09-17 19:39:29,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:29" (1/1) ...
[2024-09-17 19:39:29,089 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:29" (1/1) ...
[2024-09-17 19:39:29,107 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-09-17 19:39:29,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:29" (1/1) ...
[2024-09-17 19:39:29,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:29" (1/1) ...
[2024-09-17 19:39:29,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:29" (1/1) ...
[2024-09-17 19:39:29,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:29" (1/1) ...
[2024-09-17 19:39:29,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:29" (1/1) ...
[2024-09-17 19:39:29,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:29" (1/1) ...
[2024-09-17 19:39:29,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-17 19:39:29,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-17 19:39:29,138 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-09-17 19:39:29,139 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-09-17 19:39:29,140 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:29" (1/1) ...
[2024-09-17 19:39:29,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-17 19:39:29,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3
[2024-09-17 19:39:29,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-09-17 19:39:29,177 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-09-17 19:39:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2024-09-17 19:39:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-17 19:39:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2024-09-17 19:39:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2024-09-17 19:39:29,226 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2024-09-17 19:39:29,226 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2024-09-17 19:39:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2024-09-17 19:39:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-17 19:39:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2024-09-17 19:39:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-09-17 19:39:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2024-09-17 19:39:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2024-09-17 19:39:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-09-17 19:39:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-17 19:39:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0
[2024-09-17 19:39:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0
[2024-09-17 19:39:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-09-17 19:39:29,308 INFO L242 CfgBuilder]: Building ICFG
[2024-09-17 19:39:29,310 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-17 19:39:29,675 INFO L291 CfgBuilder]: Performing block encoding
[2024-09-17 19:39:29,722 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-17 19:39:29,726 INFO L318 CfgBuilder]: Removed 0 assume(true) statements.
[2024-09-17 19:39:29,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:39:29 BoogieIcfgContainer
[2024-09-17 19:39:29,726 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-17 19:39:29,727 INFO L112 PluginConnector]: ------------------------Referee----------------------------
[2024-09-17 19:39:29,727 INFO L270 PluginConnector]: Initializing Referee...
[2024-09-17 19:39:29,728 INFO L274 PluginConnector]: Referee initialized
[2024-09-17 19:39:29,728 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:39:26" (1/4) ...
[2024-09-17 19:39:29,729 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7944ea2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:39:29, skipping insertion in model container
[2024-09-17 19:39:29,729 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:39:28" (2/4) ...
[2024-09-17 19:39:29,729 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7944ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:39:29, skipping insertion in model container
[2024-09-17 19:39:29,729 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:29" (3/4) ...
[2024-09-17 19:39:29,731 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7944ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:39:29, skipping insertion in model container
[2024-09-17 19:39:29,731 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:39:29" (4/4) ...
[2024-09-17 19:39:29,732 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c
[2024-09-17 19:39:29,737 INFO L113 InvariantChecker]: Found 0 loops.
[2024-09-17 19:39:29,738 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges.
[2024-09-17 19:39:29,738 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 29 edges.
[2024-09-17 19:39:29,739 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges.
[2024-09-17 19:39:29,739 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges.
[2024-09-17 19:39:29,739 INFO L131 InvariantChecker]: Will check 4 loop-free subgraphs from procedure entry to error location
[2024-09-17 19:39:29,794 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 26 edges
[2024-09-17 19:39:29,795 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:39:29,796 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:39:29,796 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:39:29,798 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:39:29,800 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:39:29,938 INFO L101 BaseMinimizeStates]: Removed 62 edges and 16 locations by large block encoding
[2024-09-17 19:39:29,939 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:39:29,940 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:39:29,941 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:39:29,942 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:39:29,975 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 7 edges
[2024-09-17 19:39:29,998 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 29 edges
[2024-09-17 19:39:29,998 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:39:29,998 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:39:29,999 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:39:29,999 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:39:29,999 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:39:30,064 INFO L101 BaseMinimizeStates]: Removed 67 edges and 19 locations by large block encoding
[2024-09-17 19:39:30,065 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:39:30,065 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:39:30,065 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:39:30,066 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:39:30,079 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges
[2024-09-17 19:39:30,095 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 26 edges
[2024-09-17 19:39:30,095 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-17 19:39:30,095 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-17 19:39:30,095 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-17 19:39:30,095 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-17 19:39:30,095 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:39:30,160 INFO L101 BaseMinimizeStates]: Removed 65 edges and 16 locations by large block encoding
[2024-09-17 19:39:30,161 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-17 19:39:30,161 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-17 19:39:30,161 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-17 19:39:30,161 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-17 19:39:30,176 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges
[2024-09-17 19:39:30,177 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception:
java.lang.AssertionError: Either subgraph not acyclic or there is a bug
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.<init>(AcyclicSubgraphMerger.java:169)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.<init>(InvariantChecker.java:145)
at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.<init>(RefereeStarter.java:56)
at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80)
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)
[2024-09-17 19:39:30,182 INFO L158 Benchmark]: Toolchain (without parser) took 1488.60ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 35.0MB in the beginning and 60.6MB in the end (delta: -25.6MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB.
[2024-09-17 19:39:30,183 INFO L158 Benchmark]: Witness Parser took 0.32ms. Allocated memory is still 46.1MB. Free memory is still 23.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-17 19:39:30,183 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 46.1MB. Free memory is still 21.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-17 19:39:30,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.20ms. Allocated memory is still 69.2MB. Free memory was 34.7MB in the beginning and 40.0MB in the end (delta: -5.2MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB.
[2024-09-17 19:39:30,185 INFO L158 Benchmark]: Boogie Preprocessor took 69.10ms. Allocated memory is still 69.2MB. Free memory was 40.0MB in the beginning and 37.6MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-09-17 19:39:30,185 INFO L158 Benchmark]: RCFGBuilder took 590.73ms. Allocated memory is still 69.2MB. Free memory was 37.6MB in the beginning and 40.2MB in the end (delta: -2.6MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB.
[2024-09-17 19:39:30,186 INFO L158 Benchmark]: Referee took 453.70ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 40.0MB in the beginning and 60.6MB in the end (delta: -20.6MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB.
[2024-09-17 19:39:30,189 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee:
- ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug
de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.<init>(AcyclicSubgraphMerger.java:169)
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* Witness Parser took 0.32ms. Allocated memory is still 46.1MB. Free memory is still 23.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CDTParser took 0.17ms. Allocated memory is still 46.1MB. Free memory is still 21.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 371.20ms. Allocated memory is still 69.2MB. Free memory was 34.7MB in the beginning and 40.0MB in the end (delta: -5.2MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 69.10ms. Allocated memory is still 69.2MB. Free memory was 40.0MB in the beginning and 37.6MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 590.73ms. Allocated memory is still 69.2MB. Free memory was 37.6MB in the beginning and 40.2MB in the end (delta: -2.6MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB.
* Referee took 453.70ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 40.0MB in the beginning and 60.6MB in the end (delta: -20.6MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-09-17 19:39:30,220 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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:
ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug