./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.c.i.p+lhb-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 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-lit/gj2007.c.i.p+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.c.i.p+lhb-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-dev-a9b967e-m [2024-09-11 20:47:05,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:47:06,061 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:47:06,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:47:06,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:47:06,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:47:06,099 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:47:06,099 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:47:06,099 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:47:06,100 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:47:06,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:47:06,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:47:06,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:47:06,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:47:06,101 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:47:06,104 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:47:06,104 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:47:06,105 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:47:06,105 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:47:06,105 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:47:06,105 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:47:06,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:47:06,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:47:06,108 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:47:06,108 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:47:06,108 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:47:06,109 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:47:06,109 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:47:06,109 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:47:06,109 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:47:06,110 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:47:06,110 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:47:06,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:06,110 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:47:06,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:47:06,111 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:47:06,115 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:47:06,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:47:06,115 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:47:06,117 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:47:06,117 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:47:06,118 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:47:06,118 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:47:06,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:47:06,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:47:06,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:47:06,351 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:47:06,351 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:47:06,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-11 20:47:07,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:47:08,092 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:47:08,092 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-11 20:47:08,108 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/af7d423e1/7f7c5ada47ca410394ad1d2149a2c91b/FLAGff8fbfbbc [2024-09-11 20:47:08,160 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/af7d423e1/7f7c5ada47ca410394ad1d2149a2c91b [2024-09-11 20:47:08,163 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:47:08,164 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:47:08,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.c.i.p+lhb-reducer.yml/witness-2.1.yml [2024-09-11 20:47:08,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:47:08,263 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:47:08,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:08,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:47:08,275 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:47:08,276 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:08" (1/2) ... [2024-09-11 20:47:08,277 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6378361c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:08, skipping insertion in model container [2024-09-11 20:47:08,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:08" (1/2) ... [2024-09-11 20:47:08,283 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7ccea885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:08, skipping insertion in model container [2024-09-11 20:47:08,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:08" (2/2) ... [2024-09-11 20:47:08,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6378361c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:08, skipping insertion in model container [2024-09-11 20:47:08,284 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:08" (2/2) ... [2024-09-11 20:47:08,303 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:47:08,304 INFO L1541 ArrayList]: Location invariant before [L47-L153] ((main__x <= 5) && (main__y == 50)) [2024-09-11 20:47:08,305 INFO L1541 ArrayList]: Location invariant before [L35-L177] ((main__y == 50) && (main__x <= 3)) [2024-09-11 20:47:08,308 INFO L1541 ArrayList]: Location invariant before [L23-L201] ((main__y == 50) && (main__x <= 1)) [2024-09-11 20:47:08,309 INFO L1541 ArrayList]: Location invariant before [L41-L165] ((main__x <= 4) && (main__y == 50)) [2024-09-11 20:47:08,309 INFO L1541 ArrayList]: Location invariant before [L53-L141] ((main__y == 50) && (main__x <= 6)) [2024-09-11 20:47:08,309 INFO L1541 ArrayList]: Location invariant before [L72-L105] ((((((((((((((((((((((((((((((((((((((((((((((((((((main__y == 83) && (main__x == 83)) || ((51 == main__x) && (51 == main__y))) || ((84 == main__x) && (84 == main__y))) || ((77 == main__x) && (77 == main__y))) || ((main__y == 100) && (100 <= main__x))) || ((76 == main__x) && (76 == main__y))) || ((71 == main__x) && (71 == main__y))) || ((57 == main__y) && (57 == main__x))) || ((main__x == 70) && (main__y == 70))) || ((main__x == 65) && (main__y == 65))) || ((53 == main__y) && (53 == main__x))) || ((72 == main__y) && (72 == main__x))) || ((67 == main__x) && (67 == main__y))) || ((main__x == 74) && (main__y == 74))) || ((main__y == 54) && (main__x == 54))) || ((98 == main__x) && (98 == main__y))) || ((main__y == 90) && (main__x == 90))) || ((main__y == 82) && (main__x == 82))) || ((main__y == 63) && (main__x == 63))) || ((main__x == 80) && (main__y == 80))) || ((main__y == 93) && (main__x == 93))) || ((main__y == 85) && (main__x == 85))) || ((main__x <= 50) && (main__y == 50))) || ((main__y == 61) && (main__x == 61))) || ((main__x == 60) && (main__y == 60))) || ((94 == main__x) && (94 == main__y))) || ((81 == main__x) && (81 == main__y))) || ((main__y == 73) && (main__x == 73))) || ((68 == main__y) && (68 == main__x))) || ((main__y == 79) && (main__x == 79))) || ((main__x == 58) && (main__y == 58))) || ((95 == main__y) && (95 == main__x))) || ((main__y == 78) && (main__x == 78))) || ((66 == main__y) && (66 == main__x))) || ((52 == main__x) && (52 == main__y))) || ((69 == main__x) && (69 == main__y))) || ((main__x == 99) && (main__y == 99))) || ((87 == main__x) && (87 == main__y))) || ((main__x == 75) && (main__y == 75))) || ((97 == main__y) && (97 == main__x))) || ((56 == main__y) && (56 == main__x))) || ((main__x == 86) && (main__y == 86))) || ((88 == main__x) && (88 == main__y))) || ((91 == main__x) && (91 == main__y))) || ((59 == main__x) && (59 == main__y))) || ((62 == main__x) && (62 == main__y))) || ((main__y == 89) && (main__x == 89))) || ((main__x == 55) && (main__y == 55))) || ((main__x == 96) && (main__y == 96))) || ((64 == main__x) && (64 == main__y))) || ((92 == main__y) && (92 == main__x))) [2024-09-11 20:47:08,309 INFO L1541 ArrayList]: Location invariant before [L29-L189] ((main__x <= 2) && (main__y == 50)) [2024-09-11 20:47:08,309 INFO L1541 ArrayList]: Location invariant before [L59-L129] ((main__y == 50) && (main__x <= 7)) [2024-09-11 20:47:08,309 INFO L1541 ArrayList]: Location invariant before [L65-L117] ((main__x <= 8) && (main__y == 50)) [2024-09-11 20:47:08,346 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:47:08,603 WARN L247 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-lit/gj2007.c.i.p+lhb-reducer.c[1613,1626] [2024-09-11 20:47:08,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:08,650 INFO L200 MainTranslator]: Completed pre-run [2024-09-11 20:47:08,684 WARN L247 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-lit/gj2007.c.i.p+lhb-reducer.c[1613,1626] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:47:08,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:08,825 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:47:08,825 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:08 WrapperNode [2024-09-11 20:47:08,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:08,826 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:47:08,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:47:08,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:47:08,836 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 11.09 08:47:08" (1/1) ... [2024-09-11 20:47:08,844 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 11.09 08:47:08" (1/1) ... [2024-09-11 20:47:08,853 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 11.09 08:47:08" (1/1) ... [2024-09-11 20:47:08,881 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]. [2024-09-11 20:47:08,882 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 11.09 08:47:08" (1/1) ... [2024-09-11 20:47:08,882 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 11.09 08:47:08" (1/1) ... [2024-09-11 20:47:08,892 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 11.09 08:47:08" (1/1) ... [2024-09-11 20:47:08,900 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 11.09 08:47:08" (1/1) ... [2024-09-11 20:47:08,901 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 11.09 08:47:08" (1/1) ... [2024-09-11 20:47:08,901 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 11.09 08:47:08" (1/1) ... [2024-09-11 20:47:08,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:47:08,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:47:08,908 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:47:08,908 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:47:08,908 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 11.09 08:47:08" (1/1) ... [2024-09-11 20:47:08,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:08,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:47:08,939 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) [2024-09-11 20:47:08,941 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 [2024-09-11 20:47:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:47:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:47:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:47:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:47:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:47:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:47:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:47:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:47:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:47:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:47:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:47:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:47:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:47:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:47:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-11 20:47:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:47:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-11 20:47:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-11 20:47:09,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:47:09,068 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:47:09,070 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:47:09,508 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-09-11 20:47:09,509 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:47:09,592 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:47:09,592 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:47:09,593 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:09 BoogieIcfgContainer [2024-09-11 20:47:09,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:47:09,596 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:47:09,596 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:47:09,597 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:47:09,597 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:47:08" (1/4) ... [2024-09-11 20:47:09,599 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@26a460f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:09, skipping insertion in model container [2024-09-11 20:47:09,599 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:08" (2/4) ... [2024-09-11 20:47:09,599 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@26a460f1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:09, skipping insertion in model container [2024-09-11 20:47:09,599 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 11.09 08:47:08" (3/4) ... [2024-09-11 20:47:09,599 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@26a460f1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:09, skipping insertion in model container [2024-09-11 20:47:09,599 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:09" (4/4) ... [2024-09-11 20:47:09,600 INFO L79 RefereeObserver]: Analyzing ICFG gj2007.c.i.p+lhb-reducer.c [2024-09-11 20:47:09,604 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:47:09,605 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-11 20:47:09,605 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 21 edges. [2024-09-11 20:47:09,605 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-11 20:47:09,606 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 25 edges. [2024-09-11 20:47:09,606 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 43 edges. [2024-09-11 20:47:09,607 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 29 edges. [2024-09-11 20:47:09,607 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:47:09,607 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-09-11 20:47:09,608 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 41 edges. [2024-09-11 20:47:09,608 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:47:09,609 INFO L130 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-11 20:47:09,684 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 13 edges [2024-09-11 20:47:09,685 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:09,686 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:09,686 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:09,690 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:09,691 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:09,754 INFO L101 BaseMinimizeStates]: Removed 40 edges and 9 locations by large block encoding [2024-09-11 20:47:09,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:09,758 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:09,758 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:09,759 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:09,767 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:09,794 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:09,829 INFO L314 BlockEncoder]: Initial Icfg 17 locations, 21 edges [2024-09-11 20:47:09,830 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:09,830 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:09,833 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:09,833 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:09,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:09,961 INFO L101 BaseMinimizeStates]: Removed 144 edges and 15 locations by large block encoding [2024-09-11 20:47:09,962 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:09,963 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:09,963 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:09,963 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:09,966 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:09,969 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:09,986 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 17 edges [2024-09-11 20:47:09,986 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:09,986 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:09,986 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:09,986 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:09,986 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:10,013 INFO L101 BaseMinimizeStates]: Removed 76 edges and 12 locations by large block encoding [2024-09-11 20:47:10,013 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:10,013 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:10,014 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:10,014 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:10,015 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:10,016 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:10,031 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 25 edges [2024-09-11 20:47:10,031 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:10,031 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:10,031 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:10,031 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:10,032 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:10,095 INFO L101 BaseMinimizeStates]: Removed 276 edges and 18 locations by large block encoding [2024-09-11 20:47:10,096 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:10,096 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:10,096 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:10,096 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:10,099 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:10,101 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:10,113 INFO L314 BlockEncoder]: Initial Icfg 33 locations, 43 edges [2024-09-11 20:47:10,113 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:10,113 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:10,113 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:10,113 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:10,114 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:11,137 INFO L101 BaseMinimizeStates]: Removed 2089 edges and 30 locations by large block encoding [2024-09-11 20:47:11,138 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:11,139 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:11,139 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:11,139 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:11,229 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-11 20:47:11,241 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 29 edges [2024-09-11 20:47:11,242 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:11,242 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:11,242 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:11,242 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:11,242 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:11,349 INFO L101 BaseMinimizeStates]: Removed 536 edges and 21 locations by large block encoding [2024-09-11 20:47:11,349 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:11,349 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:11,349 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:11,349 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:11,359 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:11,364 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:11,373 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:11,373 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:11,373 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:11,373 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:11,373 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:11,373 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:11,374 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:47:11,375 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:11,375 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:11,375 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:11,375 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:11,375 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:11,376 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:11,389 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 33 edges [2024-09-11 20:47:11,389 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:11,389 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:11,389 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:11,389 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:11,389 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:11,575 INFO L101 BaseMinimizeStates]: Removed 1052 edges and 24 locations by large block encoding [2024-09-11 20:47:11,576 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:11,577 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:11,577 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:11,577 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:11,636 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:11,637 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:11,648 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 41 edges [2024-09-11 20:47:11,648 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:11,648 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:11,648 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:11,648 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:11,648 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:13,108 INFO L101 BaseMinimizeStates]: Removed 2088 edges and 28 locations by large block encoding [2024-09-11 20:47:13,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:13,111 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:13,112 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:13,112 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:13,185 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-11 20:47:13,186 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:144) 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) [2024-09-11 20:47:13,190 INFO L158 Benchmark]: Toolchain (without parser) took 4926.28ms. Allocated memory was 148.9MB in the beginning and 442.5MB in the end (delta: 293.6MB). Free memory was 120.3MB in the beginning and 253.1MB in the end (delta: -132.8MB). Peak memory consumption was 289.2MB. Max. memory is 16.1GB. [2024-09-11 20:47:13,190 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 94.4MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:13,190 INFO L158 Benchmark]: Witness Parser took 1.81ms. Allocated memory is still 148.9MB. Free memory is still 122.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:13,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 558.98ms. Allocated memory is still 148.9MB. Free memory was 120.3MB in the beginning and 104.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:47:13,193 INFO L158 Benchmark]: Boogie Preprocessor took 80.41ms. Allocated memory is still 148.9MB. Free memory was 104.0MB in the beginning and 101.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:47:13,193 INFO L158 Benchmark]: RCFGBuilder took 688.40ms. Allocated memory is still 148.9MB. Free memory was 101.4MB in the beginning and 72.5MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-09-11 20:47:13,194 INFO L158 Benchmark]: Referee took 3592.12ms. Allocated memory was 148.9MB in the beginning and 442.5MB in the end (delta: 293.6MB). Free memory was 72.5MB in the beginning and 253.1MB in the end (delta: -180.5MB). Peak memory consumption was 240.9MB. Max. memory is 16.1GB. [2024-09-11 20:47:13,197 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 0.15ms. Allocated memory is still 94.4MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.81ms. Allocated memory is still 148.9MB. Free memory is still 122.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 558.98ms. Allocated memory is still 148.9MB. Free memory was 120.3MB in the beginning and 104.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.41ms. Allocated memory is still 148.9MB. Free memory was 104.0MB in the beginning and 101.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 688.40ms. Allocated memory is still 148.9MB. Free memory was 101.4MB in the beginning and 72.5MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Referee took 3592.12ms. Allocated memory was 148.9MB in the beginning and 442.5MB in the end (delta: 293.6MB). Free memory was 72.5MB in the beginning and 253.1MB in the end (delta: -180.5MB). Peak memory consumption was 240.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:47:13,224 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.c.i.p+lhb-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-dev-a9b967e-m [2024-09-11 20:47:15,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:47:15,357 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:47:15,362 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:47:15,363 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:47:15,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:47:15,388 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:47:15,388 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:47:15,389 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:47:15,390 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:47:15,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:47:15,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:47:15,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:47:15,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:47:15,394 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:47:15,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:47:15,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:47:15,394 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:47:15,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:47:15,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:47:15,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:47:15,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:47:15,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:47:15,395 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:47:15,395 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:47:15,396 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:47:15,396 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:47:15,396 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:47:15,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:47:15,396 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:47:15,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:47:15,396 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:47:15,397 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:47:15,397 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:47:15,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:15,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:47:15,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:47:15,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:47:15,402 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:47:15,402 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:47:15,402 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:47:15,403 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:47:15,403 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:47:15,403 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:47:15,403 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:47:15,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:47:15,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:47:15,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:47:15,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:47:15,709 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:47:15,712 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:47:15,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.c.i.p+lhb-reducer.yml/witness-2.1.yml [2024-09-11 20:47:15,760 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:47:15,763 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:47:15,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-11 20:47:17,166 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:47:17,327 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:47:17,327 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-11 20:47:17,335 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2f0068698/ff8e0c11871e4dceb87043acb99dc8b2/FLAG8b5376553 [2024-09-11 20:47:17,349 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2f0068698/ff8e0c11871e4dceb87043acb99dc8b2 [2024-09-11 20:47:17,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:47:17,351 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:47:17,352 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:17,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:47:17,357 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:47:17,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:15" (1/2) ... [2024-09-11 20:47:17,359 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf06859 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:17, skipping insertion in model container [2024-09-11 20:47:17,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:15" (1/2) ... [2024-09-11 20:47:17,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71d2c5a2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:17, skipping insertion in model container [2024-09-11 20:47:17,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:17" (2/2) ... [2024-09-11 20:47:17,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf06859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:17, skipping insertion in model container [2024-09-11 20:47:17,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:17" (2/2) ... [2024-09-11 20:47:17,374 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:47:17,377 INFO L1541 ArrayList]: Location invariant before [L35-L177] ((main__y == 50) && (main__x <= 3)) [2024-09-11 20:47:17,377 INFO L1541 ArrayList]: Location invariant before [L29-L189] ((main__x <= 2) && (main__y == 50)) [2024-09-11 20:47:17,377 INFO L1541 ArrayList]: Location invariant before [L72-L105] ((((((((((((((((((((((((((((((((((((((((((((((((((((main__y == 83) && (main__x == 83)) || ((51 == main__x) && (51 == main__y))) || ((84 == main__x) && (84 == main__y))) || ((77 == main__x) && (77 == main__y))) || ((main__y == 100) && (100 <= main__x))) || ((76 == main__x) && (76 == main__y))) || ((71 == main__x) && (71 == main__y))) || ((57 == main__y) && (57 == main__x))) || ((main__x == 70) && (main__y == 70))) || ((main__x == 65) && (main__y == 65))) || ((53 == main__y) && (53 == main__x))) || ((72 == main__y) && (72 == main__x))) || ((67 == main__x) && (67 == main__y))) || ((main__x == 74) && (main__y == 74))) || ((main__y == 54) && (main__x == 54))) || ((98 == main__x) && (98 == main__y))) || ((main__y == 90) && (main__x == 90))) || ((main__y == 82) && (main__x == 82))) || ((main__y == 63) && (main__x == 63))) || ((main__x == 80) && (main__y == 80))) || ((main__y == 93) && (main__x == 93))) || ((main__y == 85) && (main__x == 85))) || ((main__x <= 50) && (main__y == 50))) || ((main__y == 61) && (main__x == 61))) || ((main__x == 60) && (main__y == 60))) || ((94 == main__x) && (94 == main__y))) || ((81 == main__x) && (81 == main__y))) || ((main__y == 73) && (main__x == 73))) || ((68 == main__y) && (68 == main__x))) || ((main__y == 79) && (main__x == 79))) || ((main__x == 58) && (main__y == 58))) || ((95 == main__y) && (95 == main__x))) || ((main__y == 78) && (main__x == 78))) || ((66 == main__y) && (66 == main__x))) || ((52 == main__x) && (52 == main__y))) || ((69 == main__x) && (69 == main__y))) || ((main__x == 99) && (main__y == 99))) || ((87 == main__x) && (87 == main__y))) || ((main__x == 75) && (main__y == 75))) || ((97 == main__y) && (97 == main__x))) || ((56 == main__y) && (56 == main__x))) || ((main__x == 86) && (main__y == 86))) || ((88 == main__x) && (88 == main__y))) || ((91 == main__x) && (91 == main__y))) || ((59 == main__x) && (59 == main__y))) || ((62 == main__x) && (62 == main__y))) || ((main__y == 89) && (main__x == 89))) || ((main__x == 55) && (main__y == 55))) || ((main__x == 96) && (main__y == 96))) || ((64 == main__x) && (64 == main__y))) || ((92 == main__y) && (92 == main__x))) [2024-09-11 20:47:17,377 INFO L1541 ArrayList]: Location invariant before [L65-L117] ((main__x <= 8) && (main__y == 50)) [2024-09-11 20:47:17,377 INFO L1541 ArrayList]: Location invariant before [L53-L141] ((main__y == 50) && (main__x <= 6)) [2024-09-11 20:47:17,378 INFO L1541 ArrayList]: Location invariant before [L59-L129] ((main__y == 50) && (main__x <= 7)) [2024-09-11 20:47:17,378 INFO L1541 ArrayList]: Location invariant before [L47-L153] ((main__x <= 5) && (main__y == 50)) [2024-09-11 20:47:17,378 INFO L1541 ArrayList]: Location invariant before [L23-L201] ((main__y == 50) && (main__x <= 1)) [2024-09-11 20:47:17,378 INFO L1541 ArrayList]: Location invariant before [L41-L165] ((main__x <= 4) && (main__y == 50)) [2024-09-11 20:47:17,397 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:47:17,532 WARN L247 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-lit/gj2007.c.i.p+lhb-reducer.c[1613,1626] [2024-09-11 20:47:17,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:17,557 INFO L200 MainTranslator]: Completed pre-run [2024-09-11 20:47:17,576 WARN L247 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-lit/gj2007.c.i.p+lhb-reducer.c[1613,1626] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:47:17,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:17,643 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:47:17,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:17 WrapperNode [2024-09-11 20:47:17,644 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:17,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:47:17,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:47:17,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:47:17,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:17" (1/1) ... [2024-09-11 20:47:17,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:17" (1/1) ... [2024-09-11 20:47:17,667 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:17" (1/1) ... [2024-09-11 20:47:17,687 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]. [2024-09-11 20:47:17,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:17" (1/1) ... [2024-09-11 20:47:17,688 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:17" (1/1) ... [2024-09-11 20:47:17,698 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:17" (1/1) ... [2024-09-11 20:47:17,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:17" (1/1) ... [2024-09-11 20:47:17,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:17" (1/1) ... [2024-09-11 20:47:17,707 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:17" (1/1) ... [2024-09-11 20:47:17,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:47:17,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:47:17,710 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:47:17,710 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:47:17,710 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:17" (1/1) ... [2024-09-11 20:47:17,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:17,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:47:17,741 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) [2024-09-11 20:47:17,752 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 [2024-09-11 20:47:17,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:47:17,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:47:17,801 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:47:17,801 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:47:17,801 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:47:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:47:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:47:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:47:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:47:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:47:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:47:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:47:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:47:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:47:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-11 20:47:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:47:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-11 20:47:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-11 20:47:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:47:17,859 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:47:17,862 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:47:18,163 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-09-11 20:47:18,164 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:47:18,219 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:47:18,219 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:47:18,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:18 BoogieIcfgContainer [2024-09-11 20:47:18,220 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:47:18,220 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:47:18,220 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:47:18,221 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:47:18,221 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:15" (1/4) ... [2024-09-11 20:47:18,222 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@52cfe758 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:18, skipping insertion in model container [2024-09-11 20:47:18,222 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:47:17" (2/4) ... [2024-09-11 20:47:18,222 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@52cfe758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:18, skipping insertion in model container [2024-09-11 20:47:18,222 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:17" (3/4) ... [2024-09-11 20:47:18,222 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@52cfe758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:18, skipping insertion in model container [2024-09-11 20:47:18,222 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:18" (4/4) ... [2024-09-11 20:47:18,223 INFO L79 RefereeObserver]: Analyzing ICFG gj2007.c.i.p+lhb-reducer.c [2024-09-11 20:47:18,227 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:47:18,227 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-11 20:47:18,227 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 21 edges. [2024-09-11 20:47:18,228 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-11 20:47:18,228 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 25 edges. [2024-09-11 20:47:18,228 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 43 edges. [2024-09-11 20:47:18,228 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 29 edges. [2024-09-11 20:47:18,229 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:47:18,229 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-09-11 20:47:18,229 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 41 edges. [2024-09-11 20:47:18,230 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:47:18,231 INFO L130 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-11 20:47:18,299 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 13 edges [2024-09-11 20:47:18,304 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:18,304 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:18,305 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:18,306 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:18,307 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:18,359 INFO L101 BaseMinimizeStates]: Removed 40 edges and 9 locations by large block encoding [2024-09-11 20:47:18,361 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:18,361 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:18,362 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:18,362 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:18,365 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:18,380 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:18,404 INFO L314 BlockEncoder]: Initial Icfg 17 locations, 21 edges [2024-09-11 20:47:18,404 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:18,404 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:18,404 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:18,404 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:18,404 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:18,484 INFO L101 BaseMinimizeStates]: Removed 144 edges and 15 locations by large block encoding [2024-09-11 20:47:18,485 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:18,486 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:18,487 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:18,487 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:18,489 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:18,491 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:18,507 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 17 edges [2024-09-11 20:47:18,507 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:18,507 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:18,508 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:18,508 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:18,508 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:18,557 INFO L101 BaseMinimizeStates]: Removed 76 edges and 12 locations by large block encoding [2024-09-11 20:47:18,557 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:18,557 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:18,558 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:18,558 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:18,559 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:18,561 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:18,581 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 25 edges [2024-09-11 20:47:18,582 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:18,582 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:18,582 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:18,583 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:18,583 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:18,652 INFO L101 BaseMinimizeStates]: Removed 276 edges and 18 locations by large block encoding [2024-09-11 20:47:18,652 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:18,652 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:18,653 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:18,653 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:18,658 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:18,659 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:18,677 INFO L314 BlockEncoder]: Initial Icfg 33 locations, 43 edges [2024-09-11 20:47:18,677 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:18,677 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:18,677 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:18,678 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:18,678 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:20,591 INFO L101 BaseMinimizeStates]: Removed 2089 edges and 30 locations by large block encoding [2024-09-11 20:47:20,592 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:20,592 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:20,593 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:20,593 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:20,670 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-11 20:47:20,686 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 29 edges [2024-09-11 20:47:20,686 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:20,690 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:20,690 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:20,690 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:20,690 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:20,863 INFO L101 BaseMinimizeStates]: Removed 536 edges and 21 locations by large block encoding [2024-09-11 20:47:20,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:20,863 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:20,864 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:20,864 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:20,870 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:20,879 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:20,897 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:20,897 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:20,897 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:20,897 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:20,898 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:20,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:20,900 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:47:20,900 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:20,900 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:20,903 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:20,903 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:20,904 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:20,905 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:20,923 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 33 edges [2024-09-11 20:47:20,923 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:20,923 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:20,923 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:20,923 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:20,923 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,198 INFO L101 BaseMinimizeStates]: Removed 1052 edges and 24 locations by large block encoding [2024-09-11 20:47:21,201 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,201 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:21,204 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:21,204 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:21,221 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:21,226 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:21,246 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 41 edges [2024-09-11 20:47:21,247 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:21,247 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:21,247 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:21,247 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:21,251 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:23,922 INFO L101 BaseMinimizeStates]: Removed 2088 edges and 28 locations by large block encoding [2024-09-11 20:47:23,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:23,925 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:23,926 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:23,926 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:24,025 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-11 20:47:24,025 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:144) 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) [2024-09-11 20:47:24,029 INFO L158 Benchmark]: Toolchain (without parser) took 6677.92ms. Allocated memory was 60.8MB in the beginning and 2.3GB in the end (delta: 2.3GB). Free memory was 39.3MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 557.3MB. Max. memory is 16.1GB. [2024-09-11 20:47:24,030 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 35.9MB in the beginning and 35.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:24,030 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 33.6MB in the beginning and 33.5MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:24,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.53ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 39.1MB in the beginning and 54.7MB in the end (delta: -15.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-11 20:47:24,031 INFO L158 Benchmark]: Boogie Preprocessor took 64.49ms. Allocated memory is still 75.5MB. Free memory was 54.7MB in the beginning and 51.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:47:24,031 INFO L158 Benchmark]: RCFGBuilder took 510.22ms. Allocated memory is still 75.5MB. Free memory was 51.9MB in the beginning and 32.5MB in the end (delta: 19.3MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-09-11 20:47:24,031 INFO L158 Benchmark]: Referee took 5807.71ms. Allocated memory was 75.5MB in the beginning and 2.3GB in the end (delta: 2.3GB). Free memory was 32.5MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 535.4MB. Max. memory is 16.1GB. [2024-09-11 20:47:24,033 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: * Witness Parser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 35.9MB in the beginning and 35.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 33.6MB in the beginning and 33.5MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.53ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 39.1MB in the beginning and 54.7MB in the end (delta: -15.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.49ms. Allocated memory is still 75.5MB. Free memory was 54.7MB in the beginning and 51.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 510.22ms. Allocated memory is still 75.5MB. Free memory was 51.9MB in the beginning and 32.5MB in the end (delta: 19.3MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * Referee took 5807.71ms. Allocated memory was 75.5MB in the beginning and 2.3GB in the end (delta: 2.3GB). Free memory was 32.5MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 535.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:47:24,058 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