./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/phases_1-1.c --full-output --witness-type correctness_witness --validate ../results/cpachecker-verification-files/SV-COMP24_unreach-call/phases_1-1.yml/output/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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-acceleration/phases_1-1.c ../results/cpachecker-verification-files/SV-COMP24_unreach-call/phases_1-1.yml/output/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-27b4987-m [2024-09-21 19:06:25,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:06:25,325 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:06:25,331 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:06:25,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:06:25,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:06:25,357 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:06:25,358 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:06:25,358 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:06:25,358 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:06:25,359 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:06:25,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:06:25,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:06:25,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:06:25,362 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:06:25,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:06:25,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:06:25,363 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:06:25,363 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:06:25,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:06:25,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:06:25,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:06:25,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:06:25,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:06:25,369 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:06:25,369 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:06:25,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:06:25,370 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:06:25,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:06:25,370 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:06:25,370 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:06:25,371 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:06:25,371 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:06:25,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:25,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:06:25,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:06:25,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:06:25,372 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:06:25,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:06:25,373 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:06:25,374 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:06:25,374 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:06:25,374 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:06:25,374 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:06:25,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:06:25,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:06:25,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:06:25,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:06:25,693 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:06:25,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/phases_1-1.c [2024-09-21 19:06:27,085 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:06:27,274 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:06:27,274 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/phases_1-1.c [2024-09-21 19:06:27,280 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/dcd72b977/fd027cbf62b644fcb38c15f17b58ea37/FLAGa66f7e0af [2024-09-21 19:06:27,671 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/dcd72b977/fd027cbf62b644fcb38c15f17b58ea37 [2024-09-21 19:06:27,673 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:06:27,674 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:06:27,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/phases_1-1.yml/output/witness-2.1.yml [2024-09-21 19:06:27,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:06:27,732 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:06:27,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:27,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:06:27,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:06:27,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:27" (1/2) ... [2024-09-21 19:06:27,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6224ab7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:27, skipping insertion in model container [2024-09-21 19:06:27,741 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:27" (1/2) ... [2024-09-21 19:06:27,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b7e4465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:27, skipping insertion in model container [2024-09-21 19:06:27,743 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:27" (2/2) ... [2024-09-21 19:06:27,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6224ab7d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:27, skipping insertion in model container [2024-09-21 19:06:27,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:27" (2/2) ... [2024-09-21 19:06:27,755 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:06:27,755 INFO L1541 ArrayList]: Loop invariant at [L15-L21] ( ( ! ( x == 0 ) ) && ( ( x == 2 ) && ( ( ! ( x == 1 ) ) && ( ( ! ( x == 3 ) ) && ( ( ! ( x == 4 ) ) && ( ( ( x % 2 ) == 0 ) && ( ( x < 268435455 ) && ( ( ( ( ( 4 + x ) % 2 ) == 0 ) && ( ( x < 65520 ) && ( ( ( ( ( 2 + x ) % 2 ) == 0 ) && ( ( ( 2 + x ) < 268435455 ) && ( ! ( x == 10 ) ) ) ) && ( ! ( x == 8 ) ) ) ) ) && ( ! ( x == 6 ) ) ) ) ) ) ) ) ) ) || ( ( ! ( x == 0 ) ) && ( ( ! ( x == 2 ) ) && ( ( ! ( x == 1 ) ) && ( ( ! ( x == 3 ) ) && ( ( ! ( x == 4 ) ) && ( ( ( ! ( ( x % 2 ) == 0 ) ) || ( ( x < 268435455 ) && ( ( ! ( x == 6 ) ) && ( ( ( ( 4 + x ) % 2 ) == 0 ) && ( ( ! ( x < 65520 ) ) && ( ( ! ( x == 8 ) ) && ( ( ( ( 2 + x ) % 2 ) == 0 ) && ( ! ( x == 10 ) ) ) ) ) ) ) ) ) && ( ( ( x % 2 ) == 0 ) || ( ( x < 268435455 ) && ( ( ! ( x == 6 ) ) && ( ( ( x < 65520 ) && ( ( ! ( x == 8 ) ) && ( ( ( ( 2 + x ) < 268435455 ) && ( ! ( x == 10 ) ) ) && ( ! ( ( ( 2 + x ) % 2 ) == 0 ) ) ) ) ) && ( ! ( ( ( 4 + x ) % 2 ) == 0 ) ) ) ) ) ) ) ) ) ) ) ) || ( ( ! ( x == 0 ) ) && ( ( ! ( x == 2 ) ) && ( ( ! ( x == 1 ) ) && ( ( ! ( x == 3 ) ) && ( ( ! ( x == 4 ) ) && ( ( ( x % 2 ) == 0 ) && ( ( ( ( ( ( ( ( 4 + x ) % 2 ) == 0 ) && ( ( x < 65520 ) && ( ( ( ( ( 2 + x ) % 2 ) == 0 ) && ( ( ( 2 + x ) < 268435455 ) && ( ! ( x == 10 ) ) ) ) && ( ! ( x == 8 ) ) ) ) ) || ( ! ( x == 6 ) ) ) && ( ( x == 6 ) || ( ( ( ( 4 + x ) % 2 ) == 0 ) && ( ( ( ( ( ( ( ( 2 + x ) % 2 ) == 0 ) && ( ( ( 2 + x ) < 268435455 ) && ( ! ( x == 10 ) ) ) ) || ( ! ( x == 8 ) ) ) && ( ( x == 8 ) || ( ( ( ( 2 + x ) % 2 ) == 0 ) && ( ( 2 + x ) < 268435455 ) ) ) ) || ( ! ( x < 65520 ) ) ) && ( ( x < 65520 ) || ( ( ! ( x == 8 ) ) && ( ( ( ( 2 + x ) % 2 ) == 0 ) && ( ! ( x == 10 ) ) ) ) ) ) ) ) ) || ( ! ( x < 268435455 ) ) ) && ( ( x < 268435455 ) || ( ( ! ( x == 6 ) ) && ( ( ( ( 4 + x ) % 2 ) == 0 ) && ( ( ! ( x < 65520 ) ) && ( ( ! ( x == 8 ) ) && ( ( ( ( 2 + x ) % 2 ) == 0 ) && ( ( ! ( x == 10 ) ) && ( ! ( ( 2 + x ) < 268435455 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) || ( ( ! ( x == 0 ) ) && ( ( ! ( x == 2 ) ) && ( ( ! ( x == 1 ) ) && ( ( ! ( x == 3 ) ) && ( ( ! ( x == 4 ) ) && ( ( ! ( ( x % 2 ) == 0 ) ) && ( ( x < 268435455 ) && ( ( ! ( x == 6 ) ) && ( ( ( x < 65520 ) && ( ( ! ( x == 8 ) ) && ( ( ( ( 2 + x ) < 268435455 ) && ( ! ( x == 10 ) ) ) && ( ! ( ( ( 2 + x ) % 2 ) == 0 ) ) ) ) ) && ( ! ( ( ( 4 + x ) % 2 ) == 0 ) ) ) ) ) ) ) ) ) ) ) || ( ( ! ( x == 0 ) ) && ( ( ! ( x == 2 ) ) && ( ( ! ( x == 1 ) ) && ( ( ! ( x == 3 ) ) && ( ( x == 4 ) && ( ( ( x % 2 ) == 0 ) && ( ( x < 268435455 ) && ( ( ( ( ( 4 + x ) % 2 ) == 0 ) && ( ( x < 65520 ) && ( ( ( ( ( 2 + x ) % 2 ) == 0 ) && ( ( ( 2 + x ) < 268435455 ) && ( ! ( x == 10 ) ) ) ) && ( ! ( x == 8 ) ) ) ) ) && ( ! ( x == 6 ) ) ) ) ) ) ) ) ) ) || ( ( x == 0 ) && ( ( ! ( x == 2 ) ) && ( ( ! ( x == 1 ) ) && ( ( ! ( x == 3 ) ) && ( ( ! ( x == 4 ) ) && ( ( ( x % 2 ) == 0 ) && ( ( x < 268435455 ) && ( ( ( ( ( 4 + x ) % 2 ) == 0 ) && ( ( x < 65520 ) && ( ( ( ( ( 2 + x ) % 2 ) == 0 ) && ( ( ( 2 + x ) < 268435455 ) && ( ! ( x == 10 ) ) ) ) && ( ! ( x == 8 ) ) ) ) ) && ( ! ( x == 6 ) ) ) ) ) ) ) ) ) ) || ( ( ! ( x == 0 ) ) && ( ( ! ( x == 2 ) ) && ( ( ! ( x == 1 ) ) && ( ( ! ( x == 3 ) ) && ( ( ! ( x == 4 ) ) && ( ( ( x % 2 ) == 0 ) && ( ( x < 268435455 ) && ( ( ( ( ( ( 4 + x ) % 2 ) == 0 ) && ( ( x < 65520 ) && ( ( ( ( ( 2 + x ) % 2 ) == 0 ) && ( ( ( 2 + x ) < 268435455 ) && ( ! ( x == 10 ) ) ) ) && ( ! ( x == 8 ) ) ) ) ) || ( ! ( x == 6 ) ) ) && ( ( x == 6 ) || ( ( ( ( 4 + x ) % 2 ) == 0 ) && ( ( ( ( ( ( ( ( 2 + x ) % 2 ) == 0 ) && ( ( ( 2 + x ) < 268435455 ) && ( ! ( x == 10 ) ) ) ) || ( ! ( x == 8 ) ) ) && ( ( x == 8 ) || ( ( ( ( 2 + x ) % 2 ) == 0 ) && ( ( 2 + x ) < 268435455 ) ) ) ) || ( ! ( x < 65520 ) ) ) && ( ( x < 65520 ) || ( ( ( ( ( 2 + x ) % 2 ) == 0 ) && ( ( ( 2 + x ) < 268435455 ) && ( ! ( x == 10 ) ) ) ) && ( ! ( x == 8 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) || ( ( ! ( x == 0 ) ) && ( ( ! ( x == 2 ) ) && ( ( ! ( x == 1 ) ) && ( ( x == 3 ) && ( ( ! ( x == 4 ) ) && ( ( ! ( ( x % 2 ) == 0 ) ) && ( ( x < 268435455 ) && ( ( ! ( x == 6 ) ) && ( ( ( x < 65520 ) && ( ( ! ( x == 8 ) ) && ( ( ( ( 2 + x ) < 268435455 ) && ( ! ( x == 10 ) ) ) && ( ! ( ( ( 2 + x ) % 2 ) == 0 ) ) ) ) ) && ( ! ( ( ( 4 + x ) % 2 ) == 0 ) ) ) ) ) ) ) ) ) ) ) || ( ( ! ( x == 0 ) ) && ( ( ! ( x == 2 ) ) && ( ( x == 1 ) && ( ( ! ( x == 3 ) ) && ( ( ! ( x == 4 ) ) && ( ( ! ( ( x % 2 ) == 0 ) ) && ( ( x < 268435455 ) && ( ( ! ( x == 6 ) ) && ( ( ( x < 65520 ) && ( ( ! ( x == 8 ) ) && ( ( ( ( 2 + x ) < 268435455 ) && ( ! ( x == 10 ) ) ) && ( ! ( ( ( 2 + x ) % 2 ) == 0 ) ) ) ) ) && ( ! ( ( ( 4 + x ) % 2 ) == 0 ) ) ) ) ) ) ) ) ) ) ) || ( ( ! ( x == 0 ) ) && ( ( ! ( x == 2 ) ) && ( ( ! ( x == 1 ) ) && ( ( ! ( x == 3 ) ) && ( ( ! ( x == 4 ) ) && ( ( ( ( x % 2 ) == 0 ) || ( ( x < 268435455 ) && ( ( ! ( x == 6 ) ) && ( ( ( x < 65520 ) && ( ( ! ( x == 8 ) ) && ( ( ( ( 2 + x ) < 268435455 ) && ( ! ( x == 10 ) ) ) && ( ! ( ( ( 2 + x ) % 2 ) == 0 ) ) ) ) ) && ( ! ( ( ( 4 + x ) % 2 ) == 0 ) ) ) ) ) ) && ( ( ! ( ( x % 2 ) == 0 ) ) || ( ( ( x < 268435455 ) || ( ( ! ( x == 6 ) ) && ( ( ( ( 4 + x ) % 2 ) == 0 ) && ( ( ! ( x < 65520 ) ) && ( ( ! ( x == 8 ) ) && ( ( ( ( 2 + x ) % 2 ) == 0 ) && ( ( ! ( x == 10 ) ) && ( ! ( ( 2 + x ) < 268435455 ) ) ) ) ) ) ) ) ) && ( ( ( ! ( x == 6 ) ) && ( ( ( ( 4 + x ) % 2 ) == 0 ) && ( ( ! ( x < 65520 ) ) && ( ( ! ( x == 8 ) ) && ( ( ( ( 2 + x ) % 2 ) == 0 ) && ( ! ( x == 10 ) ) ) ) ) ) ) || ( ! ( x < 268435455 ) ) ) ) ) ) ) ) ) ) ) [2024-09-21 19:06:27,756 INFO L1541 ArrayList]: Function contract at [L5]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:27,756 INFO L1541 ArrayList]: Function contract at [L12]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:27,773 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:06:27,917 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-acceleration/phases_1-1.c[322,335] [2024-09-21 19:06:27,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:27,938 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:06:27,984 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-acceleration/phases_1-1.c[322,335] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:06:28,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:28,087 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:06:28,088 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:28 WrapperNode [2024-09-21 19:06:28,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:28,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:06:28,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:06:28,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:06:28,103 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 21.09 07:06:28" (1/1) ... [2024-09-21 19:06:28,104 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 21.09 07:06:28" (1/1) ... [2024-09-21 19:06:28,118 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 21.09 07:06:28" (1/1) ... [2024-09-21 19:06:28,127 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:06:28,128 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 21.09 07:06:28" (1/1) ... [2024-09-21 19:06:28,128 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 21.09 07:06:28" (1/1) ... [2024-09-21 19:06:28,145 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 21.09 07:06:28" (1/1) ... [2024-09-21 19:06:28,151 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 21.09 07:06:28" (1/1) ... [2024-09-21 19:06:28,156 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 21.09 07:06:28" (1/1) ... [2024-09-21 19:06:28,157 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 21.09 07:06:28" (1/1) ... [2024-09-21 19:06:28,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:06:28,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:06:28,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:06:28,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:06:28,169 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 21.09 07:06:28" (1/1) ... [2024-09-21 19:06:28,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:28,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:06:28,201 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) [2024-09-21 19:06:28,203 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 [2024-09-21 19:06:28,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:06:28,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:06:28,256 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:06:28,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:06:28,257 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:06:28,257 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:06:28,257 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:06:28,257 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:06:28,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:06:28,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:06:28,257 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:06:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:06:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:06:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:06:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:06:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:06:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:06:28,334 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:06:28,336 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:06:28,417 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:28,632 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:28,640 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:06:28,663 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:06:28,664 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:06:28,664 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:28 BoogieIcfgContainer [2024-09-21 19:06:28,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:06:28,665 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:06:28,665 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:06:28,669 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:06:28,669 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:06:27" (1/4) ... [2024-09-21 19:06:28,670 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36333fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:28, skipping insertion in model container [2024-09-21 19:06:28,670 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:27" (2/4) ... [2024-09-21 19:06:28,670 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36333fd0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:28, skipping insertion in model container [2024-09-21 19:06:28,671 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 21.09 07:06:28" (3/4) ... [2024-09-21 19:06:28,671 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36333fd0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:28, skipping insertion in model container [2024-09-21 19:06:28,671 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:28" (4/4) ... [2024-09-21 19:06:28,672 INFO L79 RefereeObserver]: Analyzing ICFG phases_1-1.c [2024-09-21 19:06:28,675 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:06:28,676 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 19:06:28,676 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 19:06:28,676 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:06:28,676 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-2 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:06:28,676 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:06:28,677 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:06:28,677 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:06:28,677 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-21 19:06:28,721 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:06:28,721 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:28,722 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:28,722 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:28,724 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:28,726 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:28,734 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:06:28,735 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:28,735 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:28,735 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:28,736 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:28,736 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:28,754 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:28,764 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:06:28,764 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:28,764 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:28,764 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:28,764 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:28,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:28,798 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:06:28,798 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:28,798 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:28,799 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:28,799 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:28,823 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:28,885 INFO L520 InvariantChecker]: The annotation(s) from loop head L16-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:28,893 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:06:28,894 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:28,894 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:28,894 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:28,894 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:28,895 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:28,900 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:06:28,901 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:28,901 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:28,901 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:28,901 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:28,902 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:28,903 INFO L520 InvariantChecker]: The annotation(s) from loop head L16-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:28,911 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:06:28,911 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:28,912 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:28,912 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:28,912 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:28,912 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:28,932 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-21 19:06:28,932 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:28,932 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:28,933 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:28,933 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:28,933 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:28,935 INFO L520 InvariantChecker]: The annotation(s) from loop head L16-2 to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:28,945 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:06:28,947 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:28,947 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:28,947 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:28,947 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:28,948 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:28,948 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:06:28,949 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:28,949 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:28,949 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:28,950 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:28,950 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:28,952 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:28,960 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:06:28,960 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:28,961 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:28,961 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:28,961 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:28,961 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:28,964 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:06:28,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:28,964 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:28,965 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:28,965 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:28,966 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:28,968 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:28,980 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:28,983 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:28,983 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:28,983 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:28,984 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:28,984 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:28,985 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:28,988 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:28,988 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:28,988 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:28,988 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:28,988 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:29,007 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:06:29,008 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36333fd0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:06:29, skipping insertion in model container [2024-09-21 19:06:29,009 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:06:29,010 INFO L158 Benchmark]: Toolchain (without parser) took 1278.12ms. Allocated memory is still 163.6MB. Free memory was 127.1MB in the beginning and 87.5MB in the end (delta: 39.6MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2024-09-21 19:06:29,011 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:29,012 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 163.6MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:29,013 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.34ms. Allocated memory is still 163.6MB. Free memory was 126.0MB in the beginning and 110.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:06:29,015 INFO L158 Benchmark]: Boogie Preprocessor took 77.41ms. Allocated memory is still 163.6MB. Free memory was 110.3MB in the beginning and 108.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:06:29,015 INFO L158 Benchmark]: RCFGBuilder took 496.78ms. Allocated memory is still 163.6MB. Free memory was 108.2MB in the beginning and 118.9MB in the end (delta: -10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 19:06:29,015 INFO L158 Benchmark]: Referee took 343.89ms. Allocated memory is still 163.6MB. Free memory was 118.9MB in the beginning and 87.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-09-21 19:06:29,018 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 7. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from loop head at line 15 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 15 to loop head at line 15. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 15 to check that procedure precondition always holds at line 15. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 15. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 163.6MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.34ms. Allocated memory is still 163.6MB. Free memory was 126.0MB in the beginning and 110.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.41ms. Allocated memory is still 163.6MB. Free memory was 110.3MB in the beginning and 108.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 496.78ms. Allocated memory is still 163.6MB. Free memory was 108.2MB in the beginning and 118.9MB in the end (delta: -10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 343.89ms. Allocated memory is still 163.6MB. Free memory was 118.9MB in the beginning and 87.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:06:29,055 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE