./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 f1d7dc9d 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-f1d7dc9-m [2024-09-20 13:26:09,180 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:26:09,272 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:26:09,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:26:09,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:26:09,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:26:09,331 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:26:09,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:26:09,332 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:26:09,332 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:26:09,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:26:09,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:26:09,333 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:26:09,334 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:26:09,334 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:26:09,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:26:09,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:26:09,335 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:26:09,337 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:26:09,338 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:26:09,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:26:09,341 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:26:09,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:26:09,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:26:09,341 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:26:09,341 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:26:09,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:26:09,342 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:26:09,342 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:26:09,342 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:26:09,343 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:26:09,343 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:26:09,343 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:26:09,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:26:09,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:26:09,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:26:09,344 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:26:09,344 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:26:09,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:26:09,346 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:26:09,346 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:26:09,346 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:26:09,347 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:26:09,347 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:26:09,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:26:09,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:26:09,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:26:09,581 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:26:09,582 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:26:09,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2024-09-20 13:26:10,857 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:26:11,088 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:26:11,088 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2024-09-20 13:26:11,103 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b3f6c5ddc/4cf8c1328b4049129e12acba7c686ca6/FLAG38471eb92 [2024-09-20 13:26:11,132 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b3f6c5ddc/4cf8c1328b4049129e12acba7c686ca6 [2024-09-20 13:26:11,134 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:26:11,135 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:26:11,137 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.yml/witness-2.1.yml [2024-09-20 13:26:11,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:26:11,187 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:26:11,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:26:11,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:26:11,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:26:11,193 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:26:11" (1/2) ... [2024-09-20 13:26:11,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c28f10e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:11, skipping insertion in model container [2024-09-20 13:26:11,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:26:11" (1/2) ... [2024-09-20 13:26:11,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@234d2afe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:11, skipping insertion in model container [2024-09-20 13:26:11,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:26:11" (2/2) ... [2024-09-20 13:26:11,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c28f10e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:11, skipping insertion in model container [2024-09-20 13:26:11,197 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:26:11" (2/2) ... [2024-09-20 13:26:11,204 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:26:11,205 INFO L1541 ArrayList]: Location invariant before [L36-L112] ((((2 * 0) + main__x) % 3) < 1) [2024-09-20 13:26:11,206 INFO L1541 ArrayList]: Location invariant before [L42-L42] ((((2 * 0) + main__x) % 3) < 1) [2024-09-20 13:26:11,206 INFO L1541 ArrayList]: Location invariant before [L24-L141] ((((2 * 0) + main__x) % 3) < 1) [2024-09-20 13:26:11,225 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:26:11,354 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] [2024-09-20 13:26:11,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:26:11,378 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-20 13:26:11,421 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 [2024-09-20 13:26:11,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:26:11,438 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:26:11,439 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:11 WrapperNode [2024-09-20 13:26:11,439 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:26:11,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:26:11,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:26:11,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:26:11,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:11" (1/1) ... [2024-09-20 13:26:11,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:11" (1/1) ... [2024-09-20 13:26:11,455 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:11" (1/1) ... [2024-09-20 13:26:11,465 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]. [2024-09-20 13:26:11,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:11" (1/1) ... [2024-09-20 13:26:11,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:11" (1/1) ... [2024-09-20 13:26:11,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:11" (1/1) ... [2024-09-20 13:26:11,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:11" (1/1) ... [2024-09-20 13:26:11,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:11" (1/1) ... [2024-09-20 13:26:11,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:11" (1/1) ... [2024-09-20 13:26:11,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:26:11,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:26:11,474 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:26:11,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:26:11,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:11" (1/1) ... [2024-09-20 13:26:11,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:26:11,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:26:11,514 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) [2024-09-20 13:26:11,516 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 [2024-09-20 13:26:11,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:26:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:26:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:26:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:26:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:26:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:26:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:26:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:26:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 13:26:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:26:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:26:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:26:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-20 13:26:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:26:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-20 13:26:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-20 13:26:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:26:11,603 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:26:11,605 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:26:11,759 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:26:11,783 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:26:11,783 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 13:26:11,783 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:26:11 BoogieIcfgContainer [2024-09-20 13:26:11,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:26:11,784 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:26:11,784 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:26:11,785 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:26:11,785 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:26:11" (1/4) ... [2024-09-20 13:26:11,785 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5226d0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:26:11, skipping insertion in model container [2024-09-20 13:26:11,786 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:26:11" (2/4) ... [2024-09-20 13:26:11,786 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5226d0c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:26:11, skipping insertion in model container [2024-09-20 13:26:11,786 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 20.09 01:26:11" (3/4) ... [2024-09-20 13:26:11,786 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5226d0c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:26:11, skipping insertion in model container [2024-09-20 13:26:11,786 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:26:11" (4/4) ... [2024-09-20 13:26:11,789 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2024-09-20 13:26:11,792 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 13:26:11,793 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-09-20 13:26:11,793 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 29 edges. [2024-09-20 13:26:11,793 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-09-20 13:26:11,800 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-09-20 13:26:11,801 INFO L131 InvariantChecker]: Will check 4 loop-free subgraphs from procedure entry to error location [2024-09-20 13:26:11,858 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 26 edges [2024-09-20 13:26:11,859 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:11,859 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:11,860 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:11,864 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:11,866 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:11,951 INFO L101 BaseMinimizeStates]: Removed 62 edges and 16 locations by large block encoding [2024-09-20 13:26:11,953 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:11,953 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:11,953 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:11,954 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:11,977 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 7 edges [2024-09-20 13:26:11,995 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 29 edges [2024-09-20 13:26:11,995 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:11,995 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:11,995 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:11,996 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:11,996 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:12,065 INFO L101 BaseMinimizeStates]: Removed 67 edges and 19 locations by large block encoding [2024-09-20 13:26:12,066 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:12,066 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:12,067 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:12,067 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:12,077 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-20 13:26:12,103 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 26 edges [2024-09-20 13:26:12,104 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:12,104 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:12,104 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:12,104 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:12,104 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:12,154 INFO L101 BaseMinimizeStates]: Removed 65 edges and 16 locations by large block encoding [2024-09-20 13:26:12,154 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:12,154 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:12,155 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:12,155 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:12,171 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-20 13:26:12,173 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.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(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) [2024-09-20 13:26:12,180 INFO L158 Benchmark]: Toolchain (without parser) took 991.82ms. Allocated memory is still 188.7MB. Free memory was 154.0MB in the beginning and 129.1MB in the end (delta: 24.9MB). Peak memory consumption was 87.5MB. Max. memory is 16.1GB. [2024-09-20 13:26:12,180 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 188.7MB. Free memory is still 155.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:26:12,181 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 188.7MB. Free memory is still 156.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:26:12,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.93ms. Allocated memory is still 188.7MB. Free memory was 154.0MB in the beginning and 139.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:26:12,182 INFO L158 Benchmark]: Boogie Preprocessor took 34.13ms. Allocated memory is still 188.7MB. Free memory was 139.3MB in the beginning and 136.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:26:12,182 INFO L158 Benchmark]: RCFGBuilder took 309.18ms. Allocated memory is still 188.7MB. Free memory was 136.5MB in the beginning and 121.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:26:12,183 INFO L158 Benchmark]: Referee took 394.50ms. Allocated memory is still 188.7MB. Free memory was 121.8MB in the beginning and 129.1MB in the end (delta: -7.2MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2024-09-20 13:26:12,185 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.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 188.7MB. Free memory is still 155.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 188.7MB. Free memory is still 156.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.93ms. Allocated memory is still 188.7MB. Free memory was 154.0MB in the beginning and 139.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.13ms. Allocated memory is still 188.7MB. Free memory was 139.3MB in the beginning and 136.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 309.18ms. Allocated memory is still 188.7MB. Free memory was 136.5MB in the beginning and 121.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 394.50ms. Allocated memory is still 188.7MB. Free memory was 121.8MB in the beginning and 129.1MB in the end (delta: -7.2MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:26:12,212 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 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-f1d7dc9-m [2024-09-20 13:26:14,482 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:26:14,527 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 13:26:14,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:26:14,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:26:14,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:26:14,552 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:26:14,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:26:14,552 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:26:14,553 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:26:14,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:26:14,555 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:26:14,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:26:14,555 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:26:14,555 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:26:14,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:26:14,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:26:14,557 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:26:14,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:26:14,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:26:14,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:26:14,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:26:14,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:26:14,563 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 13:26:14,563 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 13:26:14,563 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:26:14,563 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 13:26:14,563 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:26:14,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:26:14,563 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:26:14,564 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:26:14,564 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:26:14,564 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:26:14,564 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:26:14,564 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:26:14,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:26:14,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:26:14,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:26:14,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:26:14,565 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 13:26:14,565 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 13:26:14,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:26:14,565 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:26:14,565 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:26:14,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:26:14,565 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 13:26:14,566 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:26:14,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:26:14,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:26:14,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:26:14,810 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:26:14,810 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:26:14,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2024-09-20 13:26:16,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:26:16,315 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:26:16,316 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2024-09-20 13:26:16,322 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c84bb89b3/41cc6ba85f364d48a1c4a8e891b11f2e/FLAG9dda77b9b [2024-09-20 13:26:16,731 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c84bb89b3/41cc6ba85f364d48a1c4a8e891b11f2e [2024-09-20 13:26:16,733 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:26:16,734 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:26:16,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.yml/witness-2.1.yml [2024-09-20 13:26:16,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:26:16,793 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:26:16,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:26:16,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:26:16,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:26:16,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:26:16" (1/2) ... [2024-09-20 13:26:16,801 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682b2935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:16, skipping insertion in model container [2024-09-20 13:26:16,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:26:16" (1/2) ... [2024-09-20 13:26:16,804 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b2df66f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:16, skipping insertion in model container [2024-09-20 13:26:16,805 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:26:16" (2/2) ... [2024-09-20 13:26:16,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682b2935 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:16, skipping insertion in model container [2024-09-20 13:26:16,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:26:16" (2/2) ... [2024-09-20 13:26:16,811 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:26:16,812 INFO L1541 ArrayList]: Location invariant before [L24-L141] ((((2 * 0) + main__x) % 3) < 1) [2024-09-20 13:26:16,812 INFO L1541 ArrayList]: Location invariant before [L42-L42] ((((2 * 0) + main__x) % 3) < 1) [2024-09-20 13:26:16,812 INFO L1541 ArrayList]: Location invariant before [L36-L112] ((((2 * 0) + main__x) % 3) < 1) [2024-09-20 13:26:16,830 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:26:16,964 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] [2024-09-20 13:26:16,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:26:16,991 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-20 13:26:17,038 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 [2024-09-20 13:26:17,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:26:17,059 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:26:17,060 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:17 WrapperNode [2024-09-20 13:26:17,060 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:26:17,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:26:17,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:26:17,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:26:17,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:17" (1/1) ... [2024-09-20 13:26:17,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:17" (1/1) ... [2024-09-20 13:26:17,079 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:17" (1/1) ... [2024-09-20 13:26:17,094 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]. [2024-09-20 13:26:17,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:17" (1/1) ... [2024-09-20 13:26:17,095 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:17" (1/1) ... [2024-09-20 13:26:17,103 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:17" (1/1) ... [2024-09-20 13:26:17,108 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:17" (1/1) ... [2024-09-20 13:26:17,110 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:17" (1/1) ... [2024-09-20 13:26:17,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:17" (1/1) ... [2024-09-20 13:26:17,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:26:17,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:26:17,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:26:17,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:26:17,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:17" (1/1) ... [2024-09-20 13:26:17,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:26:17,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:26:17,141 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) [2024-09-20 13:26:17,146 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 [2024-09-20 13:26:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:26:17,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:26:17,190 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:26:17,190 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:26:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:26:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:26:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:26:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:26:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 13:26:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:26:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:26:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:26:17,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-20 13:26:17,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:26:17,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-20 13:26:17,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-20 13:26:17,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:26:17,269 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:26:17,271 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:26:17,476 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:26:17,505 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:26:17,506 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 13:26:17,509 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:26:17 BoogieIcfgContainer [2024-09-20 13:26:17,509 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:26:17,510 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:26:17,510 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:26:17,511 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:26:17,511 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:26:16" (1/4) ... [2024-09-20 13:26:17,512 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@273cc6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:26:17, skipping insertion in model container [2024-09-20 13:26:17,512 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:26:16" (2/4) ... [2024-09-20 13:26:17,512 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@273cc6e4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:26:17, skipping insertion in model container [2024-09-20 13:26:17,512 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 20.09 01:26:17" (3/4) ... [2024-09-20 13:26:17,512 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@273cc6e4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:26:17, skipping insertion in model container [2024-09-20 13:26:17,512 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:26:17" (4/4) ... [2024-09-20 13:26:17,513 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2024-09-20 13:26:17,516 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 13:26:17,517 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-09-20 13:26:17,518 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 29 edges. [2024-09-20 13:26:17,518 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-09-20 13:26:17,518 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-09-20 13:26:17,518 INFO L131 InvariantChecker]: Will check 4 loop-free subgraphs from procedure entry to error location [2024-09-20 13:26:17,560 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 26 edges [2024-09-20 13:26:17,561 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:17,561 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:17,562 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:17,564 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:17,565 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:17,678 INFO L101 BaseMinimizeStates]: Removed 62 edges and 16 locations by large block encoding [2024-09-20 13:26:17,679 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:17,679 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:17,679 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:17,680 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:17,704 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 7 edges [2024-09-20 13:26:17,722 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 29 edges [2024-09-20 13:26:17,722 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:17,722 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:17,722 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:17,722 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:17,722 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:17,811 INFO L101 BaseMinimizeStates]: Removed 67 edges and 19 locations by large block encoding [2024-09-20 13:26:17,812 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:17,812 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:17,812 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:17,812 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:17,824 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-20 13:26:17,836 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 26 edges [2024-09-20 13:26:17,836 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:17,836 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:17,836 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:17,836 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:17,836 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:17,912 INFO L101 BaseMinimizeStates]: Removed 65 edges and 16 locations by large block encoding [2024-09-20 13:26:17,912 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:17,912 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:17,913 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:17,913 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:17,926 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-20 13:26:17,927 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.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(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) [2024-09-20 13:26:17,930 INFO L158 Benchmark]: Toolchain (without parser) took 1136.17ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 35.4MB in the beginning and 51.5MB in the end (delta: -16.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-09-20 13:26:17,930 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 60.8MB. Free memory was 37.9MB in the beginning and 37.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:26:17,930 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 60.8MB. Free memory is still 37.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:26:17,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.85ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 35.2MB in the beginning and 59.5MB in the end (delta: -24.3MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-09-20 13:26:17,931 INFO L158 Benchmark]: Boogie Preprocessor took 53.01ms. Allocated memory is still 81.8MB. Free memory was 59.5MB in the beginning and 57.1MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-20 13:26:17,931 INFO L158 Benchmark]: RCFGBuilder took 393.95ms. Allocated memory is still 81.8MB. Free memory was 57.1MB in the beginning and 41.5MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 13:26:17,932 INFO L158 Benchmark]: Referee took 418.58ms. Allocated memory is still 81.8MB. Free memory was 41.5MB in the beginning and 51.5MB in the end (delta: -9.9MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-09-20 13:26:17,934 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.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 60.8MB. Free memory was 37.9MB in the beginning and 37.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 60.8MB. Free memory is still 37.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.85ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 35.2MB in the beginning and 59.5MB in the end (delta: -24.3MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.01ms. Allocated memory is still 81.8MB. Free memory was 59.5MB in the beginning and 57.1MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 393.95ms. Allocated memory is still 81.8MB. Free memory was 57.1MB in the beginning and 41.5MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 418.58ms. Allocated memory is still 81.8MB. Free memory was 41.5MB in the beginning and 51.5MB in the end (delta: -9.9MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:26:17,968 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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug